Top Software Testing Companies in Bulgaria

Ratings Updated: July 30, 2026

We verify reviews and evaluate companies so you can choose with confidence. We may earn a fee for some placements. Learn how Clutch ensures trust

Featured

What are Featured Providers?
Simform

4.8 86 reviews

Premier Verified

$25,000+

$25 - $49 / hr

1,000 - 9,999

Serves Bulgaria

Services provided

20% AI Development

20% Cloud Consulting & SI

10% CRM Consulting and SI +5 services

10% Custom Software Development

10% E-Commerce Development

10% ERP Consulting and SI

10% Enterprise App Modernization

10% Mobile App Development

Simform is a software development and testing company that offers services including Application Quality Assurance and QA Testing. Across multiple reviews, clients commend Simform for their excellent project management, timely delivery, and effective communication. Approximately 100% of reviewers highlight their responsiveness and commitment, while around 20% suggest minor areas for improvement. Their technical expertise and alignment with client values consistently earn them high praise.

See all 86 projects
Reviews mention Receptive
Clients consistently highlight Simform's receptiveness to feedback and flexibility throughout their projects. One client noted their team was 'always available, open to feedback,' and maintained effective communication via various tools. Another emphasized the smooth workflow established through regular updates and illustrated examples to overcome language barriers. Overall, the sentiment reflects a strong appreciation for Simform's collaborative approach and commitment to client satisfaction, despite minor challenges encountered during development.

Mobile App Development for Boating Social Platform

5.0 Jul 26, 2018

Overall, their team was flexible, receptive to feedback, and involved throughout our engagement. Plus, they are always available, open to feedback, and keep me in the loop about what’s going on, which is extremely useful.
Read Full Review

Read All Reviews

Was this helpful?

3 of 3 reviews are 5 stars

$50,000 – $199,999 avg. project cost

Reviewed 3 times in the past 6 months
In recent reviews, clients praised Simform for their professionalism, responsiveness, and commitment to long-term solutions. One client noted their 'strong communication practices' and timely delivery within budget, while another highlighted the team's proactive approach to understanding project needs. A CTO commended Simform's expertise in software development, emphasizing their ability to manage complex tasks independently. Overall, the sentiment is highly positive, though there are suggestions for improved end-user documentation.
Read 3 Recent Reviews

Was this helpful?

Industry Experience

Simform has garnered positive feedback across various industries, showcasing expertise in Education, Hospitality, Information Technology, and Financial Services. Reviews emphasize their strengths in project management, timely delivery, and responsiveness, leading to successful outcomes. Clients appreciate their ability to align with organizational needs, enhance user experiences, and develop scalable solutions. Overall, Simform is well-suited for clients in sectors prioritizing technical development, user-centric designs, and strategic collaboration.
Read All Reviews

Select Industry to see insights

Utilities eCommerce Logistics & Supply Chain Wellness & Fitness Agriculture Human Resources Media Other industries Consulting Construction Legal Gaming Food & Beverages Other Industry Consumer Products Software Business services Arts, entertainment & music Education Real estate Nonprofit Financial services Fitness Information technology Hospitality & leisure Advertising & marketing IT Services Healthcare

Was this helpful?

View projects from:

United States (50) Canada (6) England (4) Germany (4) United Arab Emirates (2) Switzerland (2) Netherlands (1) Norway (1) Singapore (1) Sweden (1) Israel (1) Ireland (1) Hungary (1) Finland (1)

This provider is fluent in 1 language:

English

This provider is available in 4 time zones:

Central Standard Time (CST)

Eastern Standard Time (EST)

Pacific Standard Time (PST)

Mountain Standard Time (MST)

Was this helpful?
View Profile Visit Website
QA Wolf

4.9 64 reviews

Premier Verified

$5,000+

Undisclosed

50 - 249

Serves Bulgaria

Services provided

100% Application Testing

QA Wolf is a specialized company providing comprehensive App QA and Software Quality Assurance services. They have garnered overwhelmingly positive feedback, with 97% of reviews highlighting their excellent responsiveness, professional project management, and effective communication. Reviewers commend their ability to deliver scalable, automated testing solutions that significantly enhance software release confidence and efficiency. Additionally, 60% of the feedback emphasizes their seamless integration into clients' workflows, reflecting their adaptability and partnership-oriented approach.

See all 64 projects
Reviews mention Attentive
Clients have expressed high satisfaction with QA Wolf's attentive service, noting their responsiveness and commitment to quality. One client highlighted that QA Wolf's team is 'extremely quick' in addressing issues and consistently publishes bug reports almost daily. The emphasis on allowing internal staff to focus on their core responsibilities, coupled with the effective handling of testing, reflects QA Wolf's dedication to client needs. Overall, the sentiment is overwhelmingly positive, with no reported areas for improvement.

End-To-End Testing for Insurance Firm

5.0 Feb 10, 2026

We’re impressed by how responsive and attentive their team is. They really care about bringing us the best quality.
Read Full Review

Read All Reviews

Was this helpful?

6 of 7 reviews are 5 stars

6 new reviews for Application Testing services

$10,000 – $49,000 avg. project cost

Reviewed 7 times in the past 6 months
Recent client feedback on QA Wolf highlights their exceptional responsiveness, professionalism, and effective QA automation solutions. Clients commend the team for enhancing test coverage, reducing manual testing efforts, and improving release readiness. Notably, one client noted the swift identification of 33 pre-existing bugs, while another praised their organized project management and timely delivery. Overall, sentiment is overwhelmingly positive, with clients appreciating QA Wolf's collaborative approach and commitment to quality.
Read 7 Recent Reviews

Was this helpful?

48 of 62 Application Testing reviews are 5 stars

6 new reviews for Application Testing in past 6 months

$10,000 – $49,000 avg. project cost

Application Testing PROJECT HIGHLIGHT

Application Testing for Financial Services Company
5.0 — QA Wolf is providing application testing services to a financial services company. The team defines and builds out the testing environment as well as runs and oversees the validation Read more
Read 62 Reviews

Was this helpful?

Industry Experience

QA Wolf has received positive feedback across various industries, including Financial Services, Arts, Automotive, Insurance, and Telecommunications. Clients praised their expertise in QA automation, responsiveness, and ability to enhance testing processes, resulting in improved release confidence and reduced manual efforts. The overall sentiment is highly favorable, highlighting QA Wolf's strong project management and collaborative approach, making them a suitable partner for organizations seeking to streamline QA operations across diverse sectors.
Read All Reviews

Select Industry to see insights

Education Software Insurance Logistics & Supply Chain Business services Other industries Telecommunications Gambling Manufacturing Arts, entertainment & music Automotive Advertising & marketing Healthcare Media Consulting eCommerce Information technology Agriculture Financial services Engineering

Was this helpful?
View Profile Visit Website
QualityLogic

4.9 32 reviews

Premier Verified

$5,000+

$25 - $49 / hr

50 - 249

Serves Bulgaria

Services provided

100% Application Testing

QualityLogic is a reputable company specializing in Software Quality Assurance and Testing Services, including App Testing and QA Testing. According to client reviews, QualityLogic is praised for their excellent communication and detailed documentation, with approximately 90% of responses highlighting their professional project management and adherence to budget. Clients frequently commend their flexibility and the successful implementation of testing protocols, underscoring QualityLogic's ability to enhance software quality and mitigate risks effectively.

See all 32 projects
1 of 1 reviews is 5 stars

$50,000 – $199,999 avg. project cost

Reviewed 1 time in the past 6 months
Over the past six months, client feedback for QualityLogic reflects a strong positive sentiment, highlighting their effective support in achieving ADA compliance. A notable review from a Whatcom County Government specialist praised QualityLogic for their thorough audit and training, emphasizing their ability to articulate both the 'HOW' and 'WHY' of compliance, which facilitated widespread adoption of accessibility practices. While minor improvements in training scripting were suggested, the overall responsiveness and timely delivery of services were commended.
Read 1 Recent Review

Was this helpful?

Industry Experience

QualityLogic has demonstrated expertise in various industries including government, healthcare, IT, advertising, and education. Client feedback highlights their strengths in ensuring ADA compliance, enhancing software functionality through rigorous testing, and delivering quality assurance for complex applications. Overall sentiment is positive, particularly in government and healthcare sectors, where their responsive communication and thorough testing processes significantly improve compliance and user experience. Organizations seeking robust quality assurance and compliance solutions would benefit from QualityLogic’s proven track record.
Read All Reviews

Select Industry to see insights

Advertising & marketing Software Healthcare Information technology Legal Education Other Industry Arts, entertainment & music Consulting Transportation Financial services Media IT Services Government Business services

Was this helpful?

More responsive than most other service providers

QualityLogic is very responsive
They are a great candidate to start a conversation with. Send them a short message or project inquiry.
Get in Touch

Was this helpful?

View projects from:

United States (26) Canada (1) Singapore (1) Spain (1)

This provider is fluent in 1 language:

English

This provider is available in 3 time zones:

Central Standard Time (CST)

Pacific Standard Time (PST)

Mountain Standard Time (MST)

Was this helpful?
View Profile Visit Website
Cleverix - Software Engineering

5.0 7 reviews

Look for Verified Providers

Clutch conducts a rigorous verification process, confirming a provider’s business registration, legal history, credit background, and client feedback to be legitimate, so you can trust their ability to deliver. Learn More

Premier Verified

$5,000+

$25 - $49 / hr

10 - 49

Sofia, Bulgaria

Services provided

40% Application Testing

30% Mobile App Development

15% UX/UI Design +1 service

15% Web Development

Cleverix - Software Engineering is a specialized software testing company offering services like QA Testing, Software Quality Assurance, and Development Testing. Across their reviews, 100% of clients highlight their technical expertise, proactive communication, and seamless integration into existing workflows. Clients consistently commend their ability to deliver projects on time, improve testing coverage, and enhance product quality, with no areas for improvement noted.

See all 7 projects
Reviews mention Attentive
The feedback indicates a highly positive sentiment regarding Cleverix's attentiveness. Clients noted their responsiveness to needs and requests, with one reviewer highlighting their ability to expedite deliverables. Additionally, the professionalism and detailed nature of the deliverables were specifically praised. The overall sentiment reflects satisfaction with their project management and communication, with no identified areas for improvement.

Application Testing for Academic Research Sharing Website

5.0 Aug 13, 2025

Cleverix was able to give us a detailed report of what did or did not work. They provided clear documentation and evidence for bugs and were able to test almost every facet of our website. They were very responsive to our needs and requests. Were able to expedite certain delivers in a condensed time frame. Very attentive and very professional deliverables.
Read Full Review

Read All Reviews

Was this helpful?
Industry Experience

Cleverix has demonstrated expertise across Information Technology, Logistics & Supply Chain, and Consumer Products. In IT, they excel in QA processes, microservices, and cloud development, consistently delivering high-quality results and improved testing coverage. In Logistics, they effectively developed tailored CRM solutions, enhancing operational efficiency. Their work in Consumer Products focused on robust QA for a gifting platform, streamlining go-to-market strategies. Overall, clients praise their professionalism, responsiveness, and technical proficiency, making them a strong fit for projects in these industries.
Read All Reviews

Select Industry to see insights

Logistics & Supply Chain Consumer Products Information technology

Was this helpful?

More responsive than most other service providers

Cleverix - Software Engineering is very responsive
They are a great candidate to start a conversation with. Send them a short message or project inquiry.
Get in Touch

Was this helpful?

$2,000 Essential QA $5,000 Enhanced QA $8,000

QA Managed Service
Cleverix’s QAaaS model delivers end-to-end QA services tailored to your needs. Our ISTQB-certified QA engineers match your technical requirements, handling sprint-based testing to complex automation. Prices are indicative and may vary. A customized offer will be provided following the free discovery phase to align with your specific needs.
View Packages

Was this helpful?
View Profile Visit Website
Scalefocus

4.9 39 reviews

Premier Verified

$1,000+

$50 - $99 / hr

250 - 999

Sofia, Bulgaria

Services provided

10% Application Testing

25% Custom Software Development

20% AI Development +3 services

20% Mobile App Development

15% Web Development

10% IT Managed Services

Scalefocus is a technology solutions company that specializes in software development, digital transformation, and system integration. Overall feedback is overwhelmingly positive, with clients praising their technical expertise, agile project management, and ability to integrate as part of internal teams. Approximately 90% of reviews highlight Scalefocus's strong engineering capabilities and seamless collaboration, while 80% note their commitment to understanding client needs and delivering tailored solutions that enhance operational efficiency and scalability.

See all 39 projects
Reviews mention Results-oriented
The sentiment regarding Scalefocus as results-oriented is overwhelmingly positive. Clients commend their ability to deliver high-quality solutions within fixed timelines and budgets. One client noted that Scalefocus enabled almost real-time data utilization, significantly improving service delivery. Another highlighted their effective communication and project management, which minimized business risks. A third client praised Scalefocus for quickly understanding their needs and delivering a transformative platform, emphasizing their dedication and expertise in achieving tangible outcomes.

Data Warehouse Creation for Global Reporting Company

5.0 May 21, 2019

I was really impressed by their determination to deliver tangible results while adhering to our specific needs. They dedicated time and effort into understanding our business vision.
Read Full Review

Website Refresh & Managed Services for International Embassy

5.0 Apr 5, 2019

I was amazed at how fast we saw the positive impact of their services. Their team exceeds expectations by always trying to deliver outstanding solutions for the specific needs we have and by continuing to maintain our very beneficial relationship.
Read Full Review

Read All Reviews

Was this helpful?
3 of 3 reviews are 5 stars

$200,000 – $999,999 avg. project cost

Reviewed 3 times in the past 6 months
Recent reviews of Scalefocus reflect a strong overall sentiment, with clients praising their technical expertise, collaborative approach, and innovative solutions. A CTO highlighted the 'LLM-as-a-Judge' evaluation methodology as a standout feature that adds lasting value. The CEO of Bedrock Learning commended Scalefocus for their exceptional UX/UI design and seamless integration with internal teams, leading to a mission-critical platform. Overall, clients noted high satisfaction with delivery timelines and adaptability, despite initial alignment challenges.
Read 3 Recent Reviews

Was this helpful?

Industry Experience

Scalefocus has received positive feedback across various industries, showcasing their expertise in Education, Business Services, Energy & Natural Resources, Automotive, Gaming, Gambling, and Telecommunications. Clients commend their collaborative approach, technical proficiency, and ability to deliver tailored solutions that enhance operational efficiency and user experience. Overall sentiment is highly favorable, particularly in Education and Business Services, where Scalefocus's contributions significantly improved platforms and capabilities. Their diverse experience suggests a solid fit for projects in these sectors.
Read All Reviews

Select Industry to see insights

Energy & natural resources Automotive Gaming Gambling Transportation Consulting IT Services Information technology Healthcare Manufacturing Government Media Other Industry Hospitality & leisure Software Other industries Nonprofit Education Business services Advertising & marketing Telecommunications

Was this helpful?
View projects from:

Bulgaria (11) England (9) Germany (4) Switzerland (3) Belgium (2) United States (2) Canada (1) France (1) Albania (1) Jordan (1) Netherlands (1) Sweden (1) Austria (1)

This provider is fluent in 2 languages:

English

German

This provider is available in 4 time zones:

Greenwich Mean Time (GMT)

Central European Time (CET)

Eastern European Time (EET)

Universal Coordinated Time (UTC)

Was this helpful?
View Profile Visit Website
Featured

What are Featured Providers?
BetterQA

4.9 64 reviews

Premier Verified

$5,000+

Undisclosed

50 - 249

Serves Bulgaria

Services provided

80% Application Testing

10% Application Management & Support

10% Other IT Consulting and SI

BetterQA is a dedicated software testing company that offers services like App Testing, QA Testing, and Software Quality Assurance. Across reviews, 100% of clients commend their strong understanding of business contexts and tailored QA solutions, resulting in improved software quality and reduced defect rates. Clients appreciate their timely delivery and seamless integration with internal teams, highlighting BetterQA's commitment to practical outcomes and client-focused service.

See all 64 projects
Reviews mention Helpful
Clients have expressed a high level of satisfaction with BetterQA's communication and project management. A CEO noted that BetterQA's team, particularly Tudor and Marco, were instrumental in providing clear guidelines and support throughout the project. The client highlighted the efficient processes and documentation, which facilitated transparency and timely delivery. Overall, the sentiment is positive, with clients appreciating BetterQA's collaborative approach and dedication to addressing challenges, fostering a strong partnership.

Application Dev & Testing for Consulting Software House

5.0 Feb 22, 2024

Marco (Software Tester) and another teammate have been quite helpful in testing and giving us guidelines for what we need. Amalia has a strong background in structuring applications. She’s also a key team member when we start a project and scope it out. Tudor has been a father figure throughout the project because he’s helped us get the project running. Even when we come through a hiccup, he’s pivotal enough to solve it.
Read Full Review

Read All Reviews

Was this helpful?

Industry Experience

BetterQA has demonstrated expertise across multiple industries including construction, real estate, banking, and eCommerce. Reviews highlight their strengths in delivering tailored QA solutions, improving operational efficiency, and enhancing software reliability. The overall sentiment is positive, with clients appreciating timely project management, strong communication, and the ability to adapt to unique industry needs. Companies in sectors such as fintech, media, and logistics particularly benefit from their comprehensive testing methodologies and proactive approach, making BetterQA a suitable partner for a wide range of projects.
Read All Reviews

Select Industry to see insights

Real estate Healthcare Construction Human Resources Financial services Media Software Fitness Consulting Food & Beverages Chemicals & Biotechnology Logistics & Supply Chain Engineering Wellness & Fitness Banks eCommerce Retail Other Industry Information technology IT Services Advertising & marketing

Was this helpful?

Average Project Cost Breakdown

$10,000 to $49,000 (19) $50,000 to $199,999 (10) Less than $10,000 (5) $200,000 to $999,999 (2)

What Clients Have Said
BetterQA is frequently praised for providing excellent value for money, with clients noting that their pricing aligns well with budgets while delivering high-quality services. One client remarked on their 'good value for cost,' while another highlighted that their engagement resulted in significant efficiency improvements. Overall sentiment reflects satisfaction with the affordability and effectiveness of BetterQA's solutions, with multiple clients expressing a willingness to re-engage due to the perceived return on investment.
Read All Reviews

Was this helpful?

View projects from:

United States (18) Romania (8) England (4) Germany (4) Switzerland (3) France (2) Kenya (1) Belgium (1) Russia (1) Singapore (1) Sweden (1) India (1) United Arab Emirates (1) Hong Kong (1) Canada (1)

Was this helpful?
View Profile Visit Website
QAlified

4.9 21 reviews

Verified

Undisclosed

$25 - $49 / hr

10 - 49

Serves Bulgaria

Services provided

100% Application Testing

QAlified is a distinguished software testing company specializing in Application Quality Assurance, Software QA, and Testing Services. With 100% positive feedback across reviews, clients commend their reliability, precision, and effective project management. Notably, 85% of reviewers highlight their excellent communication and adaptability, while 70% appreciate the alignment with company values and culture.

See all 21 projects
Reviews mention Professional
Clients consistently highlight QAlified's professionalism and efficiency throughout their projects. For instance, a senior partner from Brightest GmbH praised their team for being 'efficient and professional' from the outset, while the IT manager of a purchasing regulatory agency noted their 'experience and professionalism,' especially in adapting to changes. Overall, the sentiment reflects a strong appreciation for QAlified's ability to collaborate effectively and deliver high-quality results, reinforcing their reputation as a reliable partner.

IT Consulting & SI for Certification Exam Provider

5.0 May 10, 2021

I would definitely like to underline how efficient and professional the QAlified team has been acting from day one. Each idea that was proposed was discussed, developed and enriched. We have also enjoyed greatly how positive our exchanges have been, participating in conferences and events together, starting new projects together and always seeking greater quality, all the while remaining very friendly and pleasant.
Read Full Review

Functional Testing for Government Agency

4.0 Feb 18, 2021

Experience, professionalism. We were impressed by their skills in adapting to changes.
Read Full Review

Usability Testing for Music Education Application

5.0 Feb 2, 2021

They delivered perfectly on time every time. We had in-person meetings and we also used email. During the process, we were in contact pretty much every day. Not only were they professional, but they were also very willing to help and they worked on the testing with children.
Read Full Review

Performance Testing for ERP Solutions Company

5.0 Dec 22, 2020

They have a lot of knowledge. They helped our company to improve. They’re very professional. They have very specialized consultants.
Read Full Review

Read All Reviews

Was this helpful?

14 of 15 Application Testing reviews are 5 stars

1 new review for Application Testing in past 6 months

$50,000 – $199,999 avg. project cost

Application Testing PROJECT HIGHLIGHT

App Testing for Content Creation Platform
5.0 — QAlified provides ongoing app testing and automation services for a content creation platform. The team builds and maintains test cases and documents test case failures. Read more
Read 15 Reviews

Was this helpful?

Industry Experience

QAlified has demonstrated expertise across various industries, notably in healthcare, media, technology, and manufacturing. Clients commend their rigorous QA processes, effective communication, and the ability to deliver quality results on time. In healthcare, they excelled in performance and usability testing, while in media and technology, they showcased strong capabilities in security audits and automated testing. Overall, feedback reflects positive sentiment and a strong alignment of values, making QAlified a suitable partner for organizations seeking reliable QA services.
Read All Reviews

Select Industry to see insights

Information technology Advertising & marketing Media Software Manufacturing Education Government Retail IT Services

Was this helpful?

View projects from:

United States (9) Uruguay (7) Argentina (1) Germany (1)

Was this helpful?
View Profile Visit Website
Reactive Hive Ltd

5.0 11 reviews

$1,000+

$25 - $49 / hr

10 - 49

Sofia, Bulgaria

Services provided

100% Application Testing

Reactive Hive Ltd is a specialized software quality assurance company focused on application and software testing services, including QA testing, software validation, and app quality testing. The reviews highlight a 100% positive feedback rate, with clients consistently praising their seamless integration, detailed testing processes, and expertise in e-commerce platforms like Magento. Notably, 80% of reviewers emphasize their excellent communication and project management skills, fostering efficient workflows and rapid onboarding.

See all 11 projects

Industry Experience

Reactive Hive Ltd demonstrates notable expertise in the eCommerce sector, focusing on QA and testing for platforms like Magento and Adobe Commerce. Clients commend their seamless integration, strong communication, and ability to deliver high-quality testing results. Additionally, they have expanded their services to other industries, including retail and B2B marketplaces, where their attention to detail and adaptability have been praised. Overall, Reactive Hive is particularly well-regarded in eCommerce, where their strengths significantly enhance project outcomes.
Read All Reviews

Select Industry to see insights

IT Services Retail Software eCommerce

Was this helpful?

Average Project Cost Breakdown

$10,000 to $49,000 (2)

What Clients Have Said
Reactive Hive Ltd is frequently noted for providing excellent value for money, with clients highlighting their reasonable pricing and high-quality service. One CEO emphasized that their team delivers outstanding work at a price that is affordable for startups. Another client remarked on the company's ability to quickly integrate into existing teams, enhancing efficiency without straining budgets. Overall, client sentiment reflects satisfaction with both cost-effectiveness and the quality of deliverables.
Read All Reviews

Was this helpful?

View projects from:

Ukraine (2) United States (2) England (2) Australia (1) Bulgaria (1) Germany (1) Netherlands (1)

Was this helpful?

$1,337 Fast & focused QA checks $2,337 Deeper, structured testing $4,242 Full coverage & ongoing QA support

Monthly QA Subscription
QA Subscriptions offer monthly testing hours designed to reduce your team’s QA workload and ensure robust coverage when you need it most. No long-term commitment required: choose a package that fits your needs. Scale your existing testing team and bridge capacity gaps with short-term support. Prioritise quality during peak delivery periods.
View Packages

Was this helpful?

View Profile

Share your project goals, and we’ll connect you with verified partners who fit your budget and timeline.

Get My Matches

App Streams Ltd

5.0 9 reviews

$25,000+

$25 - $49 / hr

10 - 49

Sofia, Bulgaria

Services provided

15% Application Testing

30% Web Development

25% Mobile App Development +3 services

10% AI Development

10% IoT Development

10% UX/UI Design

App Streams Ltd is a software development company specializing in software quality assurance and application testing services. They are noted for their effective project management and high-quality deliverables, receiving 100% positive feedback across reviews. Clients appreciate their ability to handle complex tasks efficiently, with 80% of reviews highlighting their responsiveness and adaptability to client needs.

See all 9 projects
Reviews mention High-quality work
App Streams Ltd has consistently received high praise for delivering high-quality work across various projects. Clients commended their exceptional project management, with one stating they 'never missed a deadline' and delivered 'bug-free' solutions. Feedback highlighted their deep understanding of client needs, with one client noting their team 'took the time to fully understand the problem before jumping to a solution.' Overall, the sentiment reflects a strong appreciation for their professionalism and the quality of their technical outputs.

Mobile App Development for Healthcare Company

5.0 Oct 12, 2023

The front ends (apps, web app) and backend currently serve all our users. They are very reliable, bug-free, fast and easy to use. It allowed our users to carry out their responsibilities in the health world easier and much more efficiently. Their work ethic and efficiency of translating ideas into solutions is second to nobody we've ever worked with. Efficient time management, being able to swap between priorities as needed, quickly iterate given feedback from our users and always striving to deliver a high-quality, reliable product.
Read Full Review

Software Dev for Fan Engagement & Gamification SaaS Platform

5.0 Nov 10, 2025

The quality and the alignment of values. Their team fit right into ours. Communication was direct and friendly. Also, the code they delivered was thoroughly code-reviewed by us and it matched our standards.
Read Full Review

Web App Design & Dev for HealthTech Company

5.0 Nov 13, 2025

App Streams has been an exceptional partner throughout our engagement, consistently exceeding expectations across every major workstream. Their design and engineering support has helped to accelerate our product roadmap and deliver a high-quality experience to our customers. We consistently hear from users that our product is intuitive and easy to use—feedback that directly reflects the strength of the frontend development and UX/UI design work contributed by the App Streams team. Together, these outcomes have meaningfully advanced the maturity, stability, and usability of our platform, and we consider App Streams a true long-term partner in our success.
Read Full Review

iOS Development for Sports Media Company

5.0 Nov 26, 2025

App Streams Ltd delivered fast, effective, and bug-free work. Our internal team was very satisfied with the results. The quality of the work and the fast response times clearly demonstrated that the project was handled successfully.
Read Full Review

Read All Reviews

Was this helpful?
1 of 1 reviews is 5 stars

1 new review for Application Testing services

Unknown avg. project cost

Reviewed 1 time in the past 6 months
In the past six months, App Streams Ltd received positive feedback for their responsive and effective service. A client from Sportal.bg praised their swift resolution of critical iOS application issues, highlighting their ability to restore functionality under tight deadlines. The team's dedication and understanding of the client's business model were particularly noted. Overall, clients expressed high satisfaction with the quality of work and timely delivery, indicating strong project management capabilities.
Read 1 Recent Review

Was this helpful?

Industry Experience

App Streams Ltd has demonstrated expertise across diverse sectors, including healthcare, information technology, consumer products, manufacturing, automotive, and media. Clients commend their exceptional project management, strong culture fit, and the ability to deliver high-quality, reliable solutions promptly. In healthcare, their contributions significantly enhanced product usability and operational efficiency. In IT and consumer products, they excelled in developing interactive platforms. Overall, clients express high satisfaction, indicating a strong fit for projects requiring innovative development solutions in these industries.
Read All Reviews

Select Industry to see insights

Software Other industries Information technology Consumer products & services Healthcare Manufacturing Automotive Media

Was this helpful?

More responsive than most other service providers

App Streams Ltd is very responsive
They are a great candidate to start a conversation with. Send them a short message or project inquiry.
Get in Touch

Was this helpful?
View Profile
Wiser Technology

4.9 42 reviews

$25,000+

$50 - $99 / hr

250 - 999

Sofia, Bulgaria

Services provided

10% Application Testing

70% Custom Software Development

20% IT Managed Services

Wiser Technology is a company specializing in Testing Services, including Software Testing and Software Quality Assurance. Reviews indicate a high level of satisfaction with their services, with 100% of feedback highlighting their skilled and dedicated QA testers and efficient project management. Clients appreciate their seamless integration and commitment to meeting project timelines.

See all 42 projects
Reviews mention Exceeds expectations
Wiser Technology has consistently exceeded client expectations, as highlighted in multiple reviews. Clients praised their proactive communication, timely delivery, and innovative problem-solving capabilities. One client noted the team's exceptional ability to adapt and optimize solutions, while another emphasized their enthusiasm and customer-focused service. Overall, the sentiment reflects a strong commitment to excellence, with clients expressing satisfaction and appreciation for the unique solutions provided, making their collaboration not only satisfactory but genuinely impressive.

Mobile App Development for University

5.0 May 19, 2021

The project was completed on time, even a little faster than agreed, and the documentation was handed over to us in full. The app worked according to expectations and even exceeded our expectations.
Read Full Review

Read All Reviews

Was this helpful?
1 of 2 Application Testing reviews are 5 stars

$50,000 – $199,999 avg. project cost

Application Testing PROJECT HIGHLIGHT

Software Dev Services for IT Company
5.0 — An IT company has partnered with Wiser Technology (formerly ITIDO) for software development services. They are working on а new custom monitoring solution and are tasked with researching and Read more
Read 2 Reviews

Was this helpful?

Average Project Cost Breakdown

$10,000 to $49,000 (10) $50,000 to $199,999 (7) Less than $10,000 (6) $200,000 to $999,999 (4) $1,000,000 to $9,999,999 (2)

What Clients Have Said
Client feedback regarding Wiser Technology's cost and value for money reflects a positive sentiment, with multiple clients highlighting the company's pricing as fitting within their budgets. One client noted, 'Pricing fit our budget' and another mentioned 'good value for cost,' emphasizing that Wiser Technology delivers quality services at competitive prices. Overall, clients appreciate the balance of quality and affordability, often citing their satisfaction with project outcomes relative to the costs incurred.
Read All Reviews

Was this helpful?

View projects from:

Bulgaria (20) Germany (5) United States (4) Finland (3) Canada (2) Switzerland (2) England (2) Ireland (1) Norway (1) Singapore (1) United Arab Emirates (1)

Was this helpful?
View Profile
Stanga

4.8 9 reviews

$5,000+

$50 - $99 / hr

250 - 999

Sofia, Bulgaria

Services provided

10% Application Testing

20% Custom Software Development

15% IT Staff Augmentation +5 services

15% Web Development

10% CRM Consulting and SI

10% Cloud Consulting & SI

10% Cybersecurity

10% Mobile App Development

Stanga is a software testing and development company with a strong focus on Application Testing and Software Quality Assurance. Reviews highlight a 100% positive feedback rate, praising their technical expertise, seamless team integration, and proactive problem-solving. Clients commend their efficient project management and adaptability, underscoring their commitment to delivering high-quality, cost-effective solutions.

See all 9 projects
Reviews mention Timely
Overall sentiment regarding Stanga1's timeliness is highly positive, with multiple clients praising their punctuality and efficient project management. One client highlighted that Stanga1 meticulously planned each project stage and consistently met deadlines, demonstrating exceptional efficiency. Another noted their ability to deliver items on time while being responsive to client needs. Additionally, a third review emphasized Stanga1's independence in execution, which allowed for a seamless workflow and reduced the need for client interference.

Web & Mobile App Dev for Software Development Company

5.0 May 31, 2023

Stanga1's project management approach was commendable and certainly a key driver in the project's success. They employed a methodical and organized strategy that ensured a streamlined workflow, resulting in timely delivery of project milestones. Stanga1 demonstrated exceptional efficiency in terms of timeliness. They meticulously planned each stage of the project, setting clear timelines and deliverables, which they consistently met.
Read Full Review

Interactive Video for Online Medical Training Company

5.0 May 15, 2023

Describe their project management. Did they deliver items on time? How did they respond to your needs? delivered on time.
Read Full Review

Managed IT Services for Tire & Rubber Company

5.0 Mar 24, 2023

Stanga1 delivered everything in a timely manner while making themselves available all the time. Stanga1 people, once they became familiar with the project and the scope of the exercise, were able to perform all their activities without any need for our interference. This was very appreciated by our internal teams.
Read Full Review

Read All Reviews

Was this helpful?
1 of 1 Application Testing reviews are 5 stars

$200,000 – $999,999 avg. project cost

Application Testing PROJECT HIGHLIGHT

Web & Mobile App Dev for Software Development Company
5.0 — Stanga1 has developed a software development firm's web and mobile apps. They've managed the end-to-end development of the apps, processed and optimized large volumes of data, and built a cloud Read more
Read 1 Review

Was this helpful?

Industry Experience

Stanga1 has demonstrated expertise across various industries, including Software, Healthcare, Automotive, and Hospitality. In Software, they excelled in full-stack development and data architecture, leading to enhanced operational efficiency and user adoption. Their responsiveness and technical accuracy in Healthcare were noted, while in Automotive, they provided thorough technical audits and quality assurance. In Hospitality, their staff augmentation services facilitated timely project delivery and integration. Overall, Stanga1 is recognized for their technical proficiency, adaptability, and effective communication, making them a strong candidate for projects in these sectors.
Read All Reviews

Select Industry to see insights

Software Healthcare Automotive Hospitality & leisure

Was this helpful?

Average Project Cost Breakdown

What Clients Have Said
Stanga1 has received consistent feedback highlighting their strong value for cost. Clients have noted their 'good value for cost' in multiple reviews, emphasizing that their services provide tangible benefits, including increased efficiency and reduced implementation costs. One client specifically mentioned substantial cost savings due to leveraging cloud technologies. Overall sentiment reflects satisfaction with the financial investment, indicating that clients perceive Stanga1 as a cost-effective partner in achieving their project goals.
Read All Reviews

Was this helpful?
View Profile
SoCyber

5.0 13 reviews

$1,000+

$25 - $49 / hr

10 - 49

Sofia, Bulgaria

Services provided

10% Application Testing

10% Application Management & Support

10% BI & Big Data Consulting & SI +7 services

10% Blockchain

10% Corporate Training & Coaching

10% Cybersecurity

10% Graphic Design

10% Public Relations

10% Social Media Marketing

10% Web Development

SoCyber is a company specializing in Application Testing, specifically in security and penetration testing services. They are highly commended for their professional project management and efficient communication, consistently delivering quality work on time and within budget. Ninety percent of reviewers praise their reliability and technical expertise, although some suggest implementing a post-remediation verification phase.

See all 13 projects
Reviews mention Collaborative
Clients have expressed high satisfaction with SoCyber's collaborative approach, noting their proactive engagement and responsiveness to project needs. One client highlighted, 'They made us feel valued and respected,' emphasizing the company's dedication to understanding unique requirements. Their project management was characterized by clear timelines and consistent communication, which fostered a smooth partnership. Overall, the sentiment reflects a strong appreciation for SoCyber's commitment to collaboration and client-centric service.

Cybersecurity Services for Software Development Company

5.0 Aug 13, 2023

Whenever we had questions or needed clarification on any aspect of the project, their team was readily available and provided prompt, thorough responses. Their willingness to adapt to our specific requirements and their proactive approach to keeping us informed contributed to a smooth collaboration. Moreover, the open lines of communication and regular updates ensured that we were always aligned on the project's progress and any emerging needs. This customer-focused approach made us feel like a valued partner rather than just a client, further enhancing our satisfaction with their work.
Read Full Review

Read All Reviews

Was this helpful?
2 of 2 Application Testing reviews are 5 stars

1 new review for Application Testing in past 6 months

Less than $10,000 avg. project cost

Application Testing PROJECT HIGHLIGHT

Penetration Testing for Video Chat Services Company
5.0 — SoCyber conducted web app and API penetration testing for a video chat services company. They adhered to the OWASP Web Security Testing Guide and other custom frameworks for the tests. Read more
Read 2 Reviews

Was this helpful?

Industry Experience

SoCyber has demonstrated strong expertise in the information technology, software, consulting, and financial services sectors. Clients consistently praise their professionalism, efficient project management, and the ability to identify and remediate security vulnerabilities effectively. Positive feedback highlights their thorough penetration testing, regulatory compliance support, and strong communication. Overall, SoCyber is well-suited for companies in these industries, particularly those seeking to enhance cybersecurity measures and ensure compliance with industry standards.
Read All Reviews

Select Industry to see insights

Information technology Software Consulting Financial services IT Services

Was this helpful?

View projects from:

Bulgaria (8) England (2) United States (1)

Was this helpful?
View Profile
DSS - Digital and Software Solutions

5.0 4 reviews

$10,000+

$25 - $49 / hr

50 - 249

Sofia, Bulgaria

Services provided

10% Application Testing

40% IT Staff Augmentation

20% Web Development +4 services

15% Custom Software Development

5% Application Management & Support

5% IT Managed Services

5% Other IT Consulting and SI

DSS - Digital and Software Solutions provides comprehensive services in software development, ServiceNow development, and consulting. The company has received positive feedback for their professional project management, effective automation of processes, and responsive team. Their expertise in App Testing and QA Testing has been highlighted, with clients appreciating the swift response to needs and high project success rates.

See all 4 projects
Reviews mention Flexible
Clients commend DSS - Digital and Software Solutions for their notable flexibility and responsiveness. One client highlighted their 'flexibility, precision to detail,' stating that the team consistently seeks the best solutions for their needs. Another reviewer noted their 'very flexible, scalable, and knowledgeable' approach, emphasizing the company's ability to adapt to client requirements. Overall, the sentiment regarding flexibility is highly positive, reinforcing DSS's reputation as a client-focused service provider.

UX/UI Design for Bank

5.0 Jun 25, 2025

The company was noted for their flexibility, precision to detail. They always look for the best solution for the client, demonstrating their ability to adapt to client needs and preferences.
Read Full Review

Custom Software Development for IT Services Co

5.0 Sep 19, 2023

They are very flexible, scalable, and knowledgeable.
Read Full Review

Read All Reviews

Was this helpful?
Industry Experience

DSS - Digital and Software Solutions has demonstrated expertise across diverse industries, including Banking, Education, and Information Technology. Clients commend their ability to enhance customer satisfaction in banking, develop robust cybersecurity platforms and business process management tools in education, and efficiently deliver DevOps solutions in IT. Overall sentiment reflects strong satisfaction, highlighting strengths in project management, flexibility, and alignment with client values, making them a suitable partner for businesses seeking reliable digital and software solutions.
Read All Reviews

Select Industry to see insights

Information technology Banks Research

Was this helpful?

Average Project Cost Breakdown

$200,000 to $999,999 (1)

What Clients Have Said
Clients consistently highlight DSS - Digital and Software Solutions for their competitive pricing and strong value for money. A banking department noted their selection was driven by 'pricing fit our budget' and 'good value for cost.' Similarly, a university professor emphasized their 'pricing fits our budget' and 'good value for cost.' Overall, the sentiment reflects satisfaction with both the affordability and the quality of services provided.
Read All Reviews

Was this helpful?
View Profile
Brain Stars Technology

5.0 3 reviews

$10,000+

$25 - $49 / hr

10 - 49

Varna, Bulgaria

Services provided

20% Application Testing

40% Custom Software Development

30% Web Development +2 services

5% BI & Big Data Consulting & SI

5% Other Application Development

Brain Stars Technology is a versatile software development company that specializes in custom web solutions, legacy system reengineering, and big data applications. With a commendable track record in project management, they are praised for their technical expertise and effective communication, receiving predominantly positive feedback. Approximately 90% of reviewers highlight their collaborative approach and problem-solving skills, although some mention room for improvement in QA processes.

See all 3 projects

Industry Experience

Brain Stars Technology has demonstrated expertise across various industries, including business services, big data, and financial services. Clients praised their technical proficiency, effective communication, and ability to deliver complex projects with minimal bugs. In the business services sector, they successfully created a custom web trading platform, while in big data, they developed analytical tools for performance tuning. In financial services, their work on a legacy system reengineering showcased strong collaboration. Overall, the sentiment is highly positive, particularly for clients in technology-driven sectors.
Read All Reviews

Select Industry to see insights

Business services Software Financial services

Was this helpful?

Average Project Cost Breakdown

$50,000 to $199,999 (1)

What Clients Have Said
Clients generally perceive Brain Stars Technology as offering good value for money, with several noting satisfaction with their budget and deliverables. One client invested $200,000 and praised their technical skills and effective communication. Another reported spending approximately $1.7 million, highlighting minimal rework and timely project execution. While most feedback is positive, a few clients suggested improvements in quality assurance and onboarding processes, indicating room for enhancement without undermining overall value.
Read All Reviews

Was this helpful?

View projects from:

Bulgaria (1) Germany (1) United States (1)

Was this helpful?

View Profile
MyApp.BG

5.0 1 review

$5,000+

$50 - $99 / hr

2 - 9

Sofia, Bulgaria

Services provided

10% Application Testing

80% Mobile App Development

10% Application Management & Support

MyApp.BG is a development company known for designing and developing applications from scratch. Positive feedback highlights their client-focused approach and competitive pricing, with 100% of reviewers noting satisfaction with the project's outcome and the company's responsiveness. However, there's a suggestion for improved advertising to enhance local recognition.

See all 1 projects

Industry Experience

MyApp.BG has demonstrated expertise in the Other Industry, particularly in application development for health-related platforms. Clients have praised their ability to bring ideas to life, highlighting strengths in project management, responsiveness, and competitive pricing. The overall sentiment is positive, with successful outcomes reported, such as profitable app sales. Potential clients in the health and wellness sector may find them especially suitable for projects requiring custom software development.
Read All Reviews

Select Industry to see insights

Other Industry

Was this helpful?

Average Project Cost Breakdown

What Clients Have Said
Clients express a positive sentiment regarding MyApp.BG's overall cost and value for money. One reviewer noted the company's 'good prices' while highlighting their responsiveness and effective communication. The successful sale of an application developed by MyApp.BG further underscores the perceived value, indicating a strong return on investment. However, some clients suggest that improved advertising could enhance the company's visibility and attract more potential customers.
Read All Reviews

Was this helpful?

View Profile
Lambda Bit

5.0 3 reviews

$1,000+

$50 - $99 / hr

2 - 9

Plovdiv, Bulgaria

Services provided

10% Application Testing

80% Cybersecurity

10% Custom Software Development

Lambda Bit specializes in App Testing and Software Testing services, including comprehensive security assessments for open-source projects. Across their reviews, clients commend Lambda Bit for their excellent communication, personalized attention, and detailed reporting. Their expertise in identifying critical vulnerabilities and providing actionable solutions highlights their proficiency in QA Testing and Testing Services.

See all 3 projects
Reviews mention Unique expertise
Clients express high satisfaction with Lambda Bit's unique expertise in security audits and code reviews. One client highlighted their professionalism and technical proficiency, noting that Lambda Bit provided actionable recommendations that significantly improved security posture. The thoroughness of their 64-hour security audit and timely deliverables were particularly praised. Overall, the sentiment is overwhelmingly positive, with clients viewing Lambda Bit as an invaluable partner in enhancing digital security.

Cybersecurity for Accounting SaaS Solutions Firm

5.0 Jun 19, 2024

Lambda Bit's professionalism and technical proficiency were evident from the outset. They conducted a thorough 64-hour security audit, during which they provided frequent updates. This proactive approach allowed me to swiftly address issues as they were discovered. Lambda Bit have set a high standard for security assessments, and I'm grateful for the outstanding service they provided to my business.
Read Full Review

Read All Reviews

Was this helpful?
Industry Experience

Lambda Bit has demonstrated expertise in the Information Technology and Financial Services industries, providing specialized services such as application security assessments and code reviews. Clients commend their professionalism, tailored approaches, and ability to uncover critical security vulnerabilities. The overall sentiment is overwhelmingly positive, highlighting their strengths in project management and technical proficiency. Companies in need of security audits and vulnerability assessments would find Lambda Bit to be a valuable partner.
Read All Reviews

Select Industry to see insights

Financial services Information technology

Was this helpful?

Average Project Cost Breakdown

Less than $10,000 (1)

What Clients Have Said
Clients have expressed satisfaction with Lambda Bit's pricing, noting it as a key factor in their selection process. One client highlighted that Lambda Bit's pricing fit their budget while delivering high-quality results, including significant vulnerability discoveries and actionable recommendations. Overall, the sentiment is positive, with clients appreciating the value for money provided through exceptional service and professionalism, which has led to recommendations for future collaborations.
Read All Reviews

Was this helpful?

View projects from:

Canada (1) United States (1)

Was this helpful?
View Profile
Quality House

Not yet reviewed

Undisclosed

Undisclosed

50 - 249

Sofia, Bulgaria

Services provided

80% Application Testing

20% IT Staff Augmentation

Application Testing company Quality House is in Sofia, Bulgaria and Bucharest, Romania. They provide Application Testing and IT staff augmentation.
Read more

View Profile
adesso Bulgaria

Not yet reviewed

$25,000+

$25 - $49 / hr

50 - 249

Sofia, Bulgaria

Services provided

20% Application Testing

30% Custom Software Development

20% Application Management & Support +2 services

20% IT Managed Services

10% Enterprise App Modernization

Adesso Bulgaria is a custom software development company established in 2018. Their services include Custom Software Development and IT managed services.
Read more

View Profile
VSG Bulgaria

Not yet reviewed

$100,000+

$50 - $99 / hr

50 - 249

Plovdiv, Bulgaria

Services provided

45% Application Testing

55% Custom Software Development

VSG Bulgaria is a software development firm. They specialize in Custom Software Development and Application Testing and were founded in 2011.
Read more

View Profile
DeepSource

Not yet reviewed

$1,000+

$25 - $49 / hr

10 - 49

Sofia, Bulgaria

Services provided

25% Application Testing

30% Mobile App Development

30% Web Development +1 service

15% Custom Software Development

DeepSource, a mobile app development company, is headquartered in Sofia, Bulgaria. The team specializes in Mobile App Development and Web Development.
Read more

View Profile
Atom Solutions Ltd.

Not yet reviewed

$5,000+

$25 - $49 / hr

50 - 249

Sofia, Bulgaria

Services provided

10% Application Testing

30% Web Development

20% Web Design +4 services

15% Mobile App Development

10% AR/VR Development

10% UX/UI Design

5% Graphic Design

Atom Solutions Ltd. Is a web development firm founded in 2008. Located in Sofia, Bulgaria and Silkeborg, Denmark, the team focuses on Web Development and Web Design.
Read more

View Profile
Energize Global Services

Not yet reviewed

$10,000+

$50 - $99 / hr

250 - 999

Sofia, Bulgaria

Services provided

10% Application Testing

30% IT Staff Augmentation

19% Custom Software Development +8 services

10% DevOps Managed Services

10% Microservices Architecture Services

10% Web Design

5% Cloud Consulting & SI

3% Staffing

1% AI Development

1% IT Strategy Consulting

1% Recruiting

Energize Global Services is a Yerevan, Armenia-based IT staff augmentation company. They focus on IT staff augmentation and Custom Software Development and were established in 2007.
Read more

Sofia, Bulgaria

European Trade Center, Building D, Floor 6, 115M Tsarigradsko Shosse
Sofia, Bulgaria 1784
151 - 200

See All Locations (3)

Was this helpful?

View Profile
Estafet

Not yet reviewed

$100,000+

$50 - $99 / hr

50 - 249

Sofia, Bulgaria

Services provided

20% Application Testing

20% AI Development

20% API Development +3 services

20% Microservices Architecture Services

10% Custom Software Development

10% Web Design

Estafet is a midsize custom software development firm. Launched in 2002, the team provides Custom Software Development and Artificial Intelligence.
Read more

Sofia, Bulgaria

Floor 5 Vitosha Business Center 47, Blvd. "Cherni vrah" Blvd, 1407 Sofia, Bulgaria
Sofia, Bulgaria 1407
76 - 100

+447779246741

See All Locations (2)

Was this helpful?

View Profile
1Crew

Not yet reviewed

$5,000+

$25 - $49 / hr

10 - 49

Sofia, Bulgaria

Services provided

30% Application Testing

30% Cloud Consulting & SI

15% IT Managed Services +2 services

15% IT Strategy Consulting

10% IT Staff Augmentation

1Crew is a cloud consulting & SI company launched in 2013. The team focuses on cloud consulting & SI and Application Testing.
Read more

View Profile
DEFFACTO IO

Not yet reviewed

$1,000+

$25 - $49 / hr

2 - 9

Ruse, Bulgaria

Services provided

30% Application Testing

20% Custom Software Development

10% Content Writing Services +4 services

10% Pay Per Click

10% Search Engine Optimization

10% Social Media Marketing

10% Web Development

Located in Ruse, Bulgaria, DEFFACTO IO is a small Application Testing company. Their services include Application Testing and Custom Software Development.
Read more

View Profile
TINQIN

Not yet reviewed

$50,000+

$50 - $99 / hr

250 - 999

Sofia, Bulgaria

Services provided

10% Application Testing

40% Custom Software Development

15% Business Consulting +5 services

10% Application Management & Support

10% Web Development

5% IT Strategy Consulting

5% UX/UI Design

5% Web Design

In Sofia, Bulgaria, TINQIN is a midsize custom software development firm. Their services include Custom Software Development and Business Consulting.
Read more

View Profile
Soft2Run

Not yet reviewed

$10,000+

$25 - $49 / hr

10 - 49

Bałsza, Bulgaria

Services provided

15% Application Testing

30% Custom Software Development

20% AI Development +6 services

10% Application Management & Support

5% E-Commerce Development

5% Enterprise App Modernization

5% Mobile App Development

5% Other Application Development

5% Web Development

Soft2Run is a software development company. The team is headquartered in Bałsza, Bulgaria, and their services include Custom Software Development and Artificial Intelligence.
Read more

View Profile
NCB Ltd

Not yet reviewed

$1,000+

$25 - $49 / hr

10 - 49

Sofia, Bulgaria

Services provided

20% Application Testing

30% Custom Software Development

30% Web Development +2 services

10% Blockchain

10% IoT Development

Founded in 2013, NCB Ltd is a software development firm. Their team offers Custom Software Development and Web Development.
Read more

View Profile
Concord Europe

Not yet reviewed

Undisclosed

Undisclosed

50 - 249

Sofia, Bulgaria

Services provided

15% Application Testing

30% Custom Software Development

30% IT Staff Augmentation +3 services

10% BI & Big Data Consulting & SI

10% Other IT Consulting and SI

5% IT Strategy Consulting

Concord Europe is an IT staff augmentation company launched in 2017. The team offers IT staff augmentation and Custom Software Development.
Read more

View Profile
ENDIGITAL

Not yet reviewed

$25,000+

$50 - $99 / hr

50 - 249

Sofia, Bulgaria

Services provided

15% Application Testing

15% Custom Software Development

15% E-Commerce Development +4 services

15% IT Staff Augmentation

15% Mobile App Development

15% Web Development

10% IT Managed Services

ENDIGITAL is a custom software development firm launched in 2012. The team offers Custom Software Development and E-Commerce Development and is located in Sofia, Bulgaria and LONDON, England.
Read more

View Profile
Blue Point Digital

Not yet reviewed

$25,000+

$25 - $49 / hr

50 - 249

Plovdiv, Bulgaria

Services provided

15% Application Testing

30% IT Staff Augmentation

20% DevOps Managed Services +3 services

15% Business Consulting

10% Custom Software Development

10% Mobile App Development

Blue Point Digital, an IT staff augmentation company, was launched in 2021. They offers IT staff augmentation and DevOps Managed Services.
Read more

View Profile
Wildorb Interactive Design Studio

Not yet reviewed

$1,000+

$25 - $49 / hr

10 - 49

Sofia, Bulgaria

Services provided

10% Application Testing

10% Branding

10% Custom Software Development +7 services

10% E-Commerce Development

10% Graphic Design

10% IoT Development

10% Mobile App Development

10% UX/UI Design

10% Web Design

10% Web Development

Wildorb Interactive Design Studio, a software development firm, is based in Sofia, Bulgaria. They provide Custom Software Development and UX/UI Design.
Read more

View Profile
Sourcelab

Not yet reviewed

$5,000+

$25 - $49 / hr

10 - 49

Sofia, Bulgaria

Services provided

15% Application Testing

15% UX/UI Design

15% Web Development +6 services

10% Custom Software Development

10% E-Commerce Development

10% Low/No Code Development

10% Mobile App Development

10% Web Design

5% Application Management & Support

Sourcelab is an UX design agency. They offer UX/UI Design and Web Development and were established in 2019. The company is in Sofia, Bulgaria and Amsterdam, Netherlands.
Read more

More responsive than most other service providers

Sourcelab is very responsive
They are a great candidate to start a conversation with. Send them a short message or project inquiry.
Get in Touch

Was this helpful?

View Profile
Roller Gaming Ltd.

Not yet reviewed

$100,000+

$50 - $99 / hr

10 - 49

Sofia, Bulgaria

Services provided

15% Application Testing

45% Mobile App Development

20% Custom Software Development +1 service

20% Web Development

Roller Gaming Ltd. Is a mobile app development company established in 2021. The firm provides Mobile App Development and Custom Software Development, and is small.
Read more

View Profile
Devocean Services

5.0 2 reviews

$10,000+

$50 - $99 / hr

50 - 249

Sofia, Bulgaria

Services provided

10% Application Testing

25% Custom Software Development

25% Enterprise App Modernization +3 services

15% Mobile App Development

15% Web Development

10% Application Management & Support

Devocean Services provides comprehensive IT solutions, including application testing, software testing, and app QA, specializing in creating and overhauling platforms for consultancy and IT firms. Their reviews highlight a strong emphasis on professionalism, transparent communication, and timely delivery. Clients commend their entrepreneurial experience, superior project management, and ability to meet client needs efficiently, often exceeding expectations without compromise on budget or timeline.

See all 2 projects

View Profile
Anvilo Inc.

Not yet reviewed

Undisclosed

$50 - $99 / hr

10 - 49

Ruse, Bulgaria

Services provided

10% Application Testing

20% Custom Software Development

10% Application Management & Support +6 services

10% Document Digitization & Management

10% E-Commerce Development

10% Enterprise App Modernization

10% Mobile App Development

10% Unified Communications Consulting & SI

10% Web Development

Anvilo Inc. Is a software development firm. Established in 2015, the team offers Custom Software Development and unified communications consulting & SI.
Read more

Ruse, Bulgaria

ploshtad "Dunav"
Ruse, Bulgaria 7000
6 - 9

See All Locations (2)

Was this helpful?

View Profile
Fidelis Soft Ltd.

Not yet reviewed

$10,000+

$50 - $99 / hr

10 - 49

Plovdiv, Bulgaria

Services provided

10% Application Testing

40% IT Staff Augmentation

10% Custom Software Development +4 services

10% IT Managed Services

10% IT Strategy Consulting

10% Other Application Development

10% Web Design

Small IT staff augmentation company Fidelis Soft Ltd., is based in Plovdiv, Bulgaria and Ottawa, Canada. The team specializes in IT staff augmentation and IT strategy consulting.
Read more

View Profile
VA Software Solutions ltd

Not yet reviewed

$50,000+

$50 - $99 / hr

10 - 49

Sofia, Bulgaria

Services provided

10% Application Testing

20% Custom Software Development

20% Enterprise App Modernization +4 services

20% Web Development

10% Application Management & Support

10% BI & Big Data Consulting & SI

10% Robotics Process Automation

Launched in 2019, VA Software Solutions ltd is a custom software development company. Based in Earley, England and Sofia, Bulgaria, the team focuses on Custom Software Development and Web
Read more

Sofia, Bulgaria

bul. Cherni Vrah 47
Sofia, Bulgaria 1407
10 - 15

See All Locations (4)

Was this helpful?

View Profile
SavvyTribe

Not yet reviewed

$25,000+

$50 - $99 / hr

10 - 49

Sofia, Bulgaria

Services provided

10% Application Testing

25% Custom Software Development

25% IT Staff Augmentation +4 services

10% AI Development

10% BI & Big Data Consulting & SI

10% Cloud Consulting & SI

10% Enterprise App Modernization

SavvyTribe is an IT staff augmentation company. Launched in 2022, the agency is in Sofia, Bulgaria and Sofia, Bulgaria. Their services include IT staff augmentation and Custom Software Development.
Read more

View Profile
Red Flask Studio Ltd.

Not yet reviewed

$1,000+

$50 - $99 / hr

2 - 9

Varna, Bulgaria

Services provided

10% Application Testing

50% Mobile App Development

20% Web Development +2 services

10% UX/UI Design

10% Web Design

Red Flask Studio Ltd. Is an application development firm in Varna, Bulgaria. They focus on Mobile App Development and Web Development and were established in 2016.
Read more

View Profile
Emerging Markets Consulting

Not yet reviewed

Undisclosed

Undisclosed

10 - 49

Sofia, Bulgaria

Services provided

25% Application Testing

50% IT Strategy Consulting

25% Business Consulting

Emerging Markets Consulting is a small IT strategy consulting company located in Sofia, Bulgaria. The team provides IT strategy consulting and Application Testing.
Read more

View Profile
Viscomp

Not yet reviewed

$10,000+

$50 - $99 / hr

50 - 249

Plovdiv, Bulgaria

Services provided

20% Application Testing

20% Custom Software Development

20% Cybersecurity +2 services

20% IT Strategy Consulting

20% Web Development

Viscomp, a software development company, was launched in 2007. They focuses on Custom Software Development and Cybersecurity.
Read more

View Profile
Confidence Technology

5.0 2 reviews

$10,000+

$50 - $99 / hr

50 - 249

Свети Влас, Bulgaria

Services provided

10% Application Testing

15% Web Development

10% API Development +20 services

10% E-Commerce Development

10% Enterprise App Modernization

10% Mobile App Development

5% Blockchain

5% Custom Software Development

5% DevOps Managed Services

5% Other Application Development

2% AR/VR Development

2% CRM Consulting and SI

1% BI & Big Data Consulting & SI

1% IT Managed Services

1% IT Staff Augmentation

1% IT Strategy Consulting

1% IoT Development

1% Low/No Code Development

1% Microservices Architecture Services

1% Robotics Process Automation

1% UX/UI Design

1% Wearable App Development

1% Web Design

Confidence Technology is a company specializing in website programming and e-commerce solutions. Their reviews highlight a commitment to innovation, attention to detail, and efficient project management. Clients noted significant improvements in site performance and user engagement. While highly satisfied overall, some clients suggested more frequent progress updates could enhance communication. Approximately 100% of the reviews reflect positive feedback on their services and outcomes.

See all 2 projects

Industry Experience

Confidence Technology has demonstrated significant expertise in the Food & Beverage and IT Services industries. Clients from the Food & Beverage sector praised their web development skills, citing improved site performance and user engagement. In IT Services, clients appreciated their efficient project management and responsiveness during the development of complex applications. Overall, sentiment is positive, highlighting their commitment to innovation, attention to detail, and the ability to deliver high-quality, tailored solutions.
Read All Reviews

Select Industry to see insights

Food & Beverage IT Services

Was this helpful?

View projects from:

Germany (1) Spain (1)

Was this helpful?

Свети Влас, Bulgaria

Fort Noks A2
Свети Влас, Bulgaria 8256
10 - 15

+380638782011

See All Locations (4)

Was this helpful?

View Profile
NATEK

5.0 5 reviews

$250,000+

$50 - $99 / hr

250 - 999

Sofia, Bulgaria

Services provided

10% Application Testing

20% Application Management & Support

20% DevOps Managed Services +7 services

10% Computer Engineering

10% IT Managed Services

10% IT Staff Augmentation

5% AI Development

5% BI & Big Data Consulting & SI

5% Cloud Consulting & SI

5% Staffing

NATEK is an IT services company specializing in IT staffing, recruitment, and project management solutions. Across multiple reviews, clients highlight NATEK’s speed, flexibility, and effective communication, with 100% of reviewers noting their timely delivery and high-quality recruitment process. The company is praised for its strong cultural alignment and proactive approach to meeting client needs, with no significant areas for improvement mentioned.

See all 5 projects
Reviews mention Flexible
Clients express a highly positive sentiment regarding NATEK's flexibility, noting their proactive approach in adapting to changing project needs. One client highlighted, 'The NATEK team always takes a proactive approach, reacting flexibly to the changing project needs.' Another emphasized NATEK's 'fast recruitment process' and 'flexibility' as key strengths. Overall, the feedback indicates that NATEK effectively understands and responds to the dynamic requirements of their clients.

IT Staff Augmentation for Financial Services Company

5.0 Apr 8, 2026

The NATEK team always takes a proactive approach, reacting flexibly to the changing project needs of Credit Agricole. This flexibility is complemented by their commitment to partnership, ensuring that they are aligned with our objectives and priorities. Over the years of our joint operations, the company has repeatedly proven that it perfectly understands the specificity, dynamics, as well as strict technological and security requirements of the banking sector.
Read Full Review

Application Management & Support for Retail Company

5.0 Apr 13, 2026

The deadlines are met, communication is effective and on time, teamwork also on a good level. The company is noted for its fast recruitment process, business and goal orientation, and flexibility. These attributes make them stand out in the industry.
Read Full Review

Read All Reviews

Was this helpful?
5 of 5 reviews are 5 stars

$200,000 – $999,999 avg. project cost

Reviewed 5 times in the past 6 months
Recent reviews for NATEK highlight a strong overall sentiment, with clients praising their effective communication, timely project delivery, and high competence of IT specialists. Notably, a Credit Agricole representative commended NATEK's flexibility and partnership approach, while a lead IT recruiter from AMPECO noted their impressive speed in candidate sourcing. Clients expressed satisfaction with the alignment of NATEK's culture with their own, and no significant areas for improvement were identified across multiple reviews.
Read 5 Recent Reviews

Was this helpful?

Industry Experience

NATEK has garnered positive feedback across various industries, showcasing strong expertise in Banking, IT, Energy & Natural Resources, and Retail. Clients from the banking sector commend NATEK for its high competence in IT specialists and effective recruitment processes. In IT, NATEK is noted for timely project management and a strong cultural fit. The Energy sector praises their swift delivery in recruitment, while Retail highlights their flexible and goal-oriented approach. Overall, NATEK is highly regarded for its professionalism and adaptability across these sectors.
Read All Reviews

Select Industry to see insights

Energy & natural resources Information technology Banks Retail

Was this helpful?

Sofia, Bulgaria

Sopharma Business Towers Complex, 5 Lachezar Stanchev str.
Sofia, Bulgaria 1797
76 - 100

+359 896 935 690

See All Locations (7)

Was this helpful?
View Profile
YuzuGames

Not yet reviewed

$5,000+

$25 - $49 / hr

10 - 49

Varna, Bulgaria

Services provided

25% Application Testing

25% Application Management & Support

25% Blockchain +1 service

25% Mobile App Development

Headquartered in Varna, Bulgaria, YuzuGames is an app development company. They specialize in Mobile App Development and Blockchain.
Read more

View Profile
Populosoft

Not yet reviewed

$1,000+

$25 - $49 / hr

2 - 9

Sofia, Bulgaria

Services provided

25% Application Testing

40% Mobile App Development

25% Custom Software Development +1 service

10% Social Media Marketing

In Sofia, Bulgaria, Populosoft is a mobile app development company. Founded in 2025, the team offers Mobile App Development and Custom Software Development.
Read more

View Profile
GOT IT

Not yet reviewed

$5,000+

$25 - $49 / hr

10 - 49

Plovdiv, Bulgaria

Services provided

10% Application Testing

20% Custom Software Development

20% Mobile App Development +5 services

20% Web Development

10% UX/UI Design

10% Web Design

5% Application Management & Support

5% E-Commerce Development

GOT IT is a software development firm. They were launched in 2018 and specialize in Custom Software Development and Mobile App Development.
Read more

View Profile
Web Publishing House

Not yet reviewed

$10,000+

$50 - $99 / hr

2 - 9

Sofia, Bulgaria

Services provided

10% Application Testing

30% Mobile App Development

30% Web Development +2 services

20% IT Strategy Consulting

10% UX/UI Design

Web Publishing House is a mobile application development firm. Their small team is based in Sofia, Bulgaria. Their services include Mobile App Development and Web Development.
Read more

View Profile
SoftConsultGroup

Not yet reviewed

$10,000+

$50 - $99 / hr

2 - 9

Sofia, Bulgaria

Services provided

10% Application Testing

50% Custom Software Development

20% Mobile App Development +1 service

20% Web Development

SoftConsultGroup is a Sofia, Bulgaria-based software development company. Their services include Custom Software Development and Mobile App Development.
Read more

View Profile

Tell us what you need — we’ll match you with top agencies in minutes.

Get My Matches

Why Trust Clutch

At Clutch, we believe trust is the foundation of every business relationship. Our mission is to help buyers make confident, data-backed decisions informed by real client experiences.

Every review on Clutch undergoes a rigorous, human-led verification process to make sure it’s valid. Our team of specialists confirms the identity of each reviewer, ensures the project is legitimate, and only publishes reviews that meet our strict criteria.

Verification doesn’t stop at the point of publication. Our Trust & Safety team routinely audits older reviews against our guidelines. When reviews fall short of our standards, we remove them.

We evaluate service providers using a structured methodology that combines:

In-depth client interviews and ratings
Comprehensive project details
Market presence
Portfolio examples and industry recognition

This data powers tools like the Leaders Matrix, which helps you compare agencies directly. Our research team curates rankings by weighing verified reviews most heavily, so the most trusted and experienced providers rise to the top.

Using this unique combination of verified client feedback and provider-supplied insights, Clutch distills the most important details into clear, digestible summaries so you have everything you need to make confident, informed decisions quickly.

We take fraud seriously. Providers who violate our guidelines may face lower rankings, restricted visibility, or removal from the platform altogether.

Clutch’s commitment to transparency is ongoing. We’re constantly refining our systems to protect the integrity of reviews and support you in finding the right agency.

Top Software Testing Companies in Bulgaria

List of the Top Bulgaria QA Testers

Reviews mention Receptive

Mobile App Development for Boating Social Platform

Reviewed 3 times in the past 6 months

Industry Experience

Select Industry to see insights

Reviews mention Attentive

End-To-End Testing for Insurance Firm

Reviewed 7 times in the past 6 months

Application Testing for Financial Services Company

Industry Experience

Select Industry to see insights

Reviewed 1 time in the past 6 months

Industry Experience

Select Industry to see insights

QualityLogic is very responsive

Reviews mention Attentive

Application Testing for Academic Research Sharing Website

Industry Experience

Select Industry to see insights

Cleverix - Software Engineering is very responsive

QA Managed Service

Reviews mention Results-oriented

Data Warehouse Creation for Global Reporting Company

Website Refresh & Managed Services for International Embassy

Reviewed 3 times in the past 6 months

Industry Experience

Select Industry to see insights

Reviews mention Helpful

Application Dev & Testing for Consulting Software House

Industry Experience

Select Industry to see insights

Average Project Cost Breakdown

What Clients Have Said

Reviews mention Professional

IT Consulting & SI for Certification Exam Provider

Functional Testing for Government Agency

Usability Testing for Music Education Application

Performance Testing for ERP Solutions Company

App Testing for Content Creation Platform

Industry Experience

Select Industry to see insights

Industry Experience

Select Industry to see insights

Average Project Cost Breakdown

What Clients Have Said

Monthly QA Subscription

Reviews mention High-quality work

Mobile App Development for Healthcare Company

Software Dev for Fan Engagement & Gamification SaaS Platform

Web App Design & Dev for HealthTech Company

iOS Development for Sports Media Company

Reviewed 1 time in the past 6 months

Industry Experience

Select Industry to see insights

App Streams Ltd is very responsive

Reviews mention Exceeds expectations

Mobile App Development for University

Software Dev Services for IT Company

Average Project Cost Breakdown

What Clients Have Said

Reviews mention Timely

Web & Mobile App Dev for Software Development Company

Interactive Video for Online Medical Training Company

Managed IT Services for Tire & Rubber Company

Web & Mobile App Dev for Software Development Company

Industry Experience

Select Industry to see insights

Average Project Cost Breakdown

What Clients Have Said

Reviews mention Collaborative

Cybersecurity Services for Software Development Company

Penetration Testing for Video Chat Services Company

Industry Experience

Select Industry to see insights

Reviews mention Flexible

UX/UI Design for Bank

Custom Software Development for IT Services Co

Industry Experience