Top Software Testing Companies in Sofia

Ratings Updated: May 8, 2026

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Featured

What are Featured Providers?
Simform

4.8 84 reviews
Premier Verified

$25,000+

$25 - $49 / hr

1,000 - 9,999

Serves Sofia, 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 company specializing in App Testing, QA Testing, and comprehensive software testing services. Across numerous reviews, Simform is consistently praised for its excellent project management and timely delivery, with 90% of clients highlighting their responsiveness and commitment to quality. Additionally, 80% of reviewers commend their technical expertise and alignment with client values.

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Reviews mention Team players
The overall sentiment regarding Simform as a team player is highly positive. Clients consistently note their seamless integration as an extension of in-house teams, highlighting their accountability and professionalism. One client remarked on their 'sense of ownership and urgency,' while another emphasized how Simform's team felt 'invested in our success.' Their proactive communication and willingness to adapt to evolving needs further underscore their collaborative spirit, making them a reliable partner for project delivery.

Web App Dev Resources for E-Commerce Booking Software Co.

5.0 Aug 31, 2022

The quality of Simform’s team is outstanding. The specialists on their team really understand that they’re not just working on an outsourced project — they’re an extension of our core team. It has never felt like we’re working with an agency; it feels like we’re working with our own team.
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Mobile & Web App Development & Cloud SI for Cocoa Company

5.0 Mar 28, 2025

Simform were also readily available to discuss, listen to suggestions and make changes to improve delivery of the project. The professionalism of the team, eagerness to want to make the project a success, breadth of talent within the organisation and friendliness on personal and professional basis were most impressive. Simform is eager to learn and improve in any area they can, including creating new detailed artefacts when requested.
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Development & QA Support for Lifestyle Membership Platform

5.0 Apr 3, 2025

I've been working with Simform for over six months now. The engagement began with bringing our subscription management platform in-house, and we've since expanded the partnership to other projects due to their broad skill set and consistent reliability. They've gone the extra mile—even over weekends—to help us move faster when needed. Communication and project management have been excellent, with any issues swiftly addressed. It genuinely felt like Simform was invested in our success.
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Mobile & Web App Development for Staffing Platform

5.0 Aug 5, 2025

On time, within budget, Simform team integrated well with our in-house team. Despite time zone differences, Simform met our timezone needs. What impresses us most about Simform is how seamlessly they operate as an extension of our team.
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3 of 4 reviews are 5 stars

$50,000 – $199,999 avg. project cost

Reviewed 4 times in the past 6 months
Recent reviews of Simform highlight their exceptional project management and communication skills. Clients praised their responsiveness and ability to deliver on time, with one noting their 'proactive' approach. Specific feedback includes their expertise in software development and effective collaboration in complex projects. Clients from diverse sectors, including wellness and technology, expressed satisfaction with the quality of work and alignment with their goals, indicating a strong overall sentiment towards Simform's services.
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12 of 13 Application Testing reviews are 5 stars

$50,000 – $199,999 avg. project cost

Application Testing PROJECT HIGHLIGHT

Development & QA Support for Lifestyle Membership Platform
5.0 — Simform provides ongoing development and QA support for a lifestyle membership platform. The team has helped develop services, automated the client's regression testing, and set up automated class Read more
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United States (49) 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)

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QA Wolf

4.9 60 reviews
Premier Verified

$5,000+

Undisclosed

50 - 249

Serves Sofia, Bulgaria

Services provided

100% Application Testing

QA Wolf is a company specializing in Application Quality Assurance with a focus on automated testing services. Reviews highlight their exceptional integration into client teams, rapid response times, and high-quality test coverage, with over 80% of feedback being positive. Approximately 70% of clients commend their comprehensive handling of test lifecycles, from creation to maintenance, enhancing release confidence and efficiency.

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3 of 5 reviews are 5 stars

4 new reviews for Application Testing services

$50,000 – $199,999 avg. project cost

Reviewed 5 times in the past 6 months
Recent reviews of QA Wolf highlight a strong overall sentiment, with clients praising their responsiveness, project management, and efficiency in automating testing processes. One client noted the discovery of over 30 hidden bugs and significant time savings, while another emphasized their impressive bug reporting and flexibility in adapting to changing needs. Common feedback includes timely deliveries and effective communication, although some clients suggested minor improvements in initial alignment and categorization of test flows.
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44 of 58 Application Testing reviews are 5 stars

4 new reviews for Application Testing in past 6 months

$50,000 – $199,999 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
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Average Project Cost Breakdown

$50,000 to $199,999 (11) $10,000 to $49,000 (2) Less than $10,000 (1) $200,000 to $999,999 (1)

What Clients Have Said
The overall sentiment regarding QA Wolf's cost and value for money is highly positive. Clients frequently highlighted that QA Wolf's pricing fits their budget while delivering excellent value. For instance, one client noted that QA Wolf's services saved them significant manual testing hours, allowing their team to focus on core responsibilities. Another client mentioned the impressive return on investment, indicating that QA Wolf's offerings exceed expectations without adding extra costs. Overall, clients feel they receive substantial quality and efficiency for the costs incurred.
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United States (53) Canada (2) Australia (1) Colombia (1)

This provider is fluent in 1 language:

English

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QualityLogic

4.9 30 reviews
Verified

$5,000+

$25 - $49 / hr

50 - 249

Serves Sofia, Bulgaria

Services provided

100% Application Testing

QualityLogic is a distinguished provider of Application Testing and Software Quality Assurance services, offering comprehensive testing solutions such as QA Testing and Software Validation. Across numerous reviews, QualityLogic is praised for its professional communication, timely project delivery, and exceptional value for cost. Notably, 100% of reviewers commend their team’s expertise, communication, and commitment to quality, with no significant areas for improvement reported.

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Reviews mention Well-organized projects
Clients have praised QualityLogic for their well-organized project management, noting effective communication and detailed ticketing processes that minimize misunderstandings. One client highlighted their ability to accelerate release schedules significantly, attributing this success to QualityLogic's structured approach. The client specifically appreciated the direct communication style and comprehensive test cases, which demonstrated QualityLogic's preparedness and understanding of QA processes, leading to high satisfaction with the overall engagement.

QA Support for OTT Ad Tech Firm

5.0 Jun 19, 2020

We discuss what should be tested during the week, and they give us daily updates on any issues they find and report them in Jira. QualityLogic also gives detailed descriptions of how they found the issue and where, along with how to reproduce it. They have a very good process for that.
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Augmentation & QA Testing for Mobile Application

5.0 Feb 6, 2020

For the most part, communication has been very straight to the point and direct, which we really appreciate. Not having to filter through a lot of business talk saves us a lot of time and makes sure we are able to address each problem or improvement that they raise. We use a JIRA board to track progress as we go.
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Quality Assurance for Virtual Reality Startup

4.5 Apr 25, 2018

They're very practical in how they deal with unexpected situations and have two people on their staff trained on our technology should they need to replace or add a couple QA staff to our projects. That approach is very sensible and shows that they're resilient to change. When we've needed overtime from their current staff, they've been very responsive. Everything seems very well managed.
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20 of 22 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

Application Testing & QA for Cybersecurity Company
5.0 — QualityLogic provided QA services for a cybersecurity company. Their work included creating automation tests, test cases, and test plans, as well as executing those test cases and plans as manual QA Read more
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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.
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View projects from:

United States (25) 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)

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Cleverix - Software Engineering

5.0 7 reviews

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Premier Verified

$5,000+

$25 - $49 / hr

10 - 49

Sofia, Bulgaria

Services provided

50% Application Testing

20% Mobile App Development

20% Web Development +1 service

10% UX/UI Design

Cleverix - Software Engineering is a specialized software testing company, offering comprehensive services like App Testing, QA Testing, and Software Quality Assurance. Across reviews, 100% of clients praised their technical expertise, responsiveness, and ability to integrate into teams seamlessly. Clients noted significant improvements in product quality, testing coverage, and release velocity, with no reported areas for improvement.

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6 of 6 Application Testing reviews are 5 stars

3 new reviews for Application Testing in past 6 months

$10,000 – $49,000 avg. project cost

Application Testing PROJECT HIGHLIGHT

Application Testing for Academic Research Sharing Website
5.0 — Cleverix - Software Engineering tested an academic research sharing website's functionality. The team provided a detailed report with recommendations. Read more
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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.
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Logistics & Supply Chain Consumer Products Information technology

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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.
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$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.
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Scalefocus

4.9 38 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 software development and digital transformation company specializing in custom solutions, cloud services, and DevOps. Their reviews indicate high client satisfaction, with commendations for their technical expertise and seamless integration into client teams. Approximately 90% of feedback highlights their strong project management and adaptability to evolving needs, while 80% emphasize their effective communication and cultural fit. Scalefocus consistently delivers projects on time, with a focus on innovation and client-centric solutions.

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2 of 2 reviews are 5 stars

$200,000 – $999,999 avg. project cost

Reviewed 2 times in the past 6 months
Recent client feedback on Scalefocus highlights their strong technical expertise and collaborative approach. A CEO noted their seamless integration with internal teams, resulting in a modern learning platform that enhances user experience. A CTO praised the innovative 'LLM-as-a-Judge' feature, which improved AI model evaluation processes. Both clients emphasized Scalefocus's proactive communication and timely delivery. Overall, sentiment is highly positive, with clients appreciating the quality of work and alignment with their organizational goals.
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Industry Experience

Scalefocus has demonstrated strong capabilities across multiple industries, including Business Services, Energy & Natural Resources, Automotive, Gaming, Gambling, and more. Clients praised their innovative solutions, effective project management, and adaptability, particularly in developing AI-driven systems, complex data solutions, and modernized applications. Overall, feedback indicates a high degree of satisfaction with Scalefocus's expertise and collaborative approach, making them well-suited for projects in risk management, energy analytics, logistics, and digital transformation across various sectors.
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Business services Energy & natural resources Automotive Gaming Gambling Software Transportation Consulting IT Services Information technology Healthcare Hospitality & leisure Advertising & marketing Manufacturing Government Telecommunications Media Other Industry Nonprofit Education

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Average Project Cost Breakdown

$50,000 to $199,999 (6) $200,000 to $999,999 (5) Less than $10,000 (2) $10,000 to $49,000 (2)

What Clients Have Said
Client feedback on Scalefocus highlights a strong consensus regarding their overall cost-effectiveness and value for money. Many clients noted that Scalefocus offers competitive pricing while maintaining high-quality deliverables. For instance, one client emphasized that Scalefocus's pricing fit their budget and provided great value for cost. Another highlighted the exceptional return on investment, stating that their new platform significantly improved operational efficiency. Overall, clients feel they receive quality services without compromising their financial constraints.
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Review Rating from Clients

4.9/5.0

Quality

4.8

Schedule

4.8

Cost

4.7

Willing to Refer

4.8

Sofia-based clients praise Scalefocus for their expertise in software development, DevOps, and system integration across diverse projects like gaming, messaging, logistics, and social platforms. They highlight the team's professionalism, responsiveness, and ability to deliver complex solutions on time, fostering long-term partnerships and measurable business improvements.
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Featured

What are Featured Providers?

BetterQA

4.9 64 reviews
Premier Verified

$5,000+

Undisclosed

50 - 249

Serves Sofia, Bulgaria

Services provided

80% Application Testing

10% Application Management & Support

10% Other IT Consulting and SI

BetterQA is a distinguished software quality assurance firm specializing in application and software testing. Their services are highly praised across diverse industries for enhancing software reliability and reducing defect rates. Notably, over 90% of reviews highlight their exceptional project management, responsiveness, and custom-tailored QA solutions that align with client needs, underscoring their reputation as a reliable and valuable partner in testing services.

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4 of 4 reviews are 5 stars

3 new reviews for Application Testing services

$10,000 – $49,000 avg. project cost

Reviewed 4 times in the past 6 months
In the past six months, BetterQA has received positive feedback for their expertise in QA and consulting services. Clients have highlighted their ability to deliver on time, responsiveness, and tailored approaches to business needs. For instance, a real estate CEO noted improved operational consistency and reduced rework, while a banking QA Lead praised their high-quality fintech services. Overall, sentiment is overwhelmingly positive, with clients expressing satisfaction and noting no significant areas for improvement.
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36 of 40 Application Testing reviews are 5 stars

5 new reviews for Application Testing in past 6 months

$10,000 – $49,000 avg. project cost

Application Testing PROJECT HIGHLIGHT

Application QA Services for Real Estate Company
5.0 — BetterQA provided QA services for a real estate company. The team conducted application-level testing, validated key business processes, and identified gaps, risks, and opportunities for Read more
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Industry Experience

BetterQA has demonstrated expertise across various industries including Construction, Real Estate, IT Services, eCommerce, Financial Services, and Media. Clients commend their impactful QA services, which have led to improved operational efficiencies, reduced bugs, and enhanced product quality. Notably, clients in Construction and Real Estate praised their consulting and process optimization abilities, while their work in IT and eCommerce highlighted strong automation and testing frameworks. The overall sentiment is highly positive, indicating strong alignment with industry needs and adaptability to diverse project requirements.
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Real estate Construction Human Resources Financial services Media Information technology Software Fitness Consulting Food & Beverages Advertising & marketing Chemicals & Biotechnology Retail Logistics & Supply Chain Engineering Wellness & Fitness Other Industry Healthcare Banks IT Services eCommerce

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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
Clients consistently highlight BetterQA's competitive pricing and exceptional value for money. One client noted that their pricing fit the budget while offering 'good value for cost,' leading to improved efficiency and reduced operational issues. Another emphasized the affordability of their services, stating, 'for the price, they really can't be beat.' Overall, the sentiment across reviews indicates strong satisfaction with the cost-to-value ratio, with many clients expressing eagerness to engage BetterQA for future projects.
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QAlified

4.9 21 reviews
Premier Verified

Undisclosed

$25 - $49 / hr

10 - 49

Serves Sofia, Bulgaria

Services provided

100% Application Testing

QAlified is a Software Quality Assurance company specializing in comprehensive testing services, including App Testing, QA Testing, and Software Validation. They are consistently recognized for exceptional project management, timely delivery, and thorough bug reporting. Across numerous client reviews, 100% commend their dedication to quality and responsiveness, with notable appreciation for their flexibility and seamless integration into client workflows.

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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 last six months, QAlified has received positive feedback for their strong project management, effective communication, and cultural alignment with clients. One client noted reduced high-severity issues post-release and improved site stability due to their thorough testing processes. They were commended for their adaptability and transparency, creating a trust-based partnership. However, there is a suggestion to explore earlier automation for enhanced efficiency, indicating a commitment to continuous improvement.
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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
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Industry Experience

QAlified has demonstrated strong expertise across multiple industries, including healthcare, media, education, and manufacturing. Clients praised their thoroughness in quality assurance, performance testing, and usability, resulting in improved application reliability and user satisfaction. Overall sentiment is highly positive, highlighting their adaptability, effective communication, and commitment to delivering quality solutions. Companies in healthcare, media, and education particularly benefited from their tailored approach, making QAlified a suitable partner for organizations seeking robust testing and quality assurance services.
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Information technology IT Services Media Software Advertising & marketing Manufacturing Education Government Retail

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Average Project Cost Breakdown

Less than $10,000 (3) $10,000 to $49,000 (3) $50,000 to $199,999 (3) $200,000 to $999,999 (2) $1,000,000 to $9,999,999 (1)

What Clients Have Said
Clients consistently noted that QAlified offers good value for money, with several reviews highlighting that their pricing fits within budgets while delivering high-quality results. For instance, one client emphasized that their choice was based on QAlified’s good value for cost, while another praised their ability to deliver high-quality findings on time. Overall sentiment reflects satisfaction with the cost-effectiveness of QAlified's services, aligning well with client expectations.
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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 offering comprehensive Application Testing and QA Testing services. The reviews reflect a strong appreciation for their integration skills, expertise in Magento and e-commerce platforms, and responsiveness, with nearly 100% of feedback being positive. Clients frequently mention their ability to improve project quality and provide thorough testing, highlighting their effectiveness in both manual and automated testing environments.

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4 of 4 reviews are 5 stars

4 new reviews for Application Testing services

Unknown avg. project cost

Reviewed 4 times in the past 6 months
In the past six months, client feedback for Reactive Hive Ltd has been overwhelmingly positive. Clients praised their seamless integration into teams, with one noting, "Reactive Hive Ltd really understands the Magento and Adobe Commerce landscape." Their QA support was highlighted as thorough and efficient, significantly aiding project deadlines. Communication was consistently noted as clear and effective. No clients reported areas for improvement, indicating strong satisfaction with their services.
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$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.
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1 of 1 Sofia-based review is 5 stars

1 Sofia-based review for Application Testing in past 6 months

Unknown avg. project cost for Application Testing services in Sofia

Application Testing project highlight

E-Commerce Software Testing for Furtniture Marketplace
5.0 — Reactive Hive was hired by a furniture marketplace to support their manual testing efforts. They're tasked with documenting new features, doing automated tests, and assisting in field tech issue Read more
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Review Rating from Clients

5.0/5.0

Quality

5.0

Schedule

5.0

Cost

5.0

Willing to Refer

5.0

Reactive Hive Ltd in Sofia is recognized for delivering precise QA and testing services for e-commerce solutions. Clients highlight their fast adaptation, use of familiar tools, and effective bug resolution, contributing to on-time project completion. Their professionalism and smooth collaboration stand out.
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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 multifaceted company offering comprehensive Software Development and Application Testing services, including QA Testing and Software Quality Assurance. Feedback from their clients is overwhelmingly positive, highlighting their professionalism, effective project management, and high-quality deliverables. Notably, about 100% of reviewers commend their responsiveness and ability to meet deadlines, reflecting their strong commitment to client satisfaction.

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4 of 4 reviews are 5 stars

2 new reviews for Application Testing services

$10,000 – $49,000 avg. project cost

Reviewed 4 times in the past 6 months
In the past six months, App Streams Ltd has received overwhelmingly positive feedback from clients, highlighting their timely delivery, effective communication, and high-quality work. For instance, a client from Auxa Health praised their exceptional project management and the ability to exceed expectations in design and engineering. Another client noted the team's dedication and thorough understanding of specific needs, leading to successful product launches. Overall, clients commend App Streams Ltd for their professionalism, collaboration, and alignment with project goals.
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Industry Experience

App Streams Ltd has demonstrated significant expertise across diverse industries, including healthcare, information technology, consumer products, automotive, manufacturing, and media. Clients praised their exceptional project management, timely delivery, and strong collaborative culture. In healthcare, they excelled in developing user-friendly applications for patient care. In IT and consumer products, they provided innovative solutions for gamification and fan engagement. Overall, feedback reflects high satisfaction across all sectors, making them a versatile partner for clients seeking reliable software development support.
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Other industries Information technology Consumer products & services Healthcare Software Manufacturing Automotive Media

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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

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Review Rating from Clients

5.0/5.0

Quality

5.0

Schedule

5.0

Cost

5.0

Willing to Refer

4.5

App Streams Ltd in Sofia excels in creating web and mobile solutions, demonstrated by their successful launch of an e-bike fleet management system. Clients commend their responsiveness, cultural compatibility, and project management, making them a reliable partner for complex tech projects in the region.
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Wiser Technology

4.9 42 reviews

$25,000+

$25 - $49 / 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 Application Testing and Software Quality Assurance. Feedback highlights their efficient onboarding process and the exceptional skills of their QA testers, making them feel integral to their clients' teams. With 100% positive reviews, clients commend Wiser Technology for their dedication and effective remote collaboration.

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Reviews mention Knowledgeable
The feedback regarding Wiser Technology's knowledgeability is overwhelmingly positive. Clients highlighted their experienced developers, particularly noting a lead Android developer who provided valuable insights to improve project outcomes. One client emphasized their understanding of frameworks and business models, while another praised their technical expertise in various programming languages. Overall, clients found Wiser Technology's team to be knowledgeable, professional, and capable of delivering high-quality results, contributing positively to project success.

Mobile App Dev for Digital Health Agency

5.0 Aug 17, 2022

ITIDO has knowledge and experience with widely-used programming technologies like Java, Python, Angular, Android, and iOS. However, they do not have competence in C# and .NET that we at BGO work with. So that could be an area for further professional development at ITIDO.
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Custom Software Dev for Financial Services Company

4.5 Jun 6, 2022

Most of the time, they understand the frameworks, environments, and business models they get into. ITIDO looks at the development tasks they have to fulfill and advises us based on other projects and experiences they’ve had. All in all, they’re really forward-thinking and client-oriented.
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WordPress Web Dev for Nonprofit Organization

4.5 Jun 25, 2021

The project manager was knowledgeable, always available, and responsive. She worked in a timely manner and kept the costs within the originally presented quote. We communicated via Zoom and email.
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Industry Experience

Wiser Technology has garnered positive feedback across various industries, showcasing expertise primarily in IT Services, Telecommunications, Healthcare, and Media. In IT Services, clients praised their innovative solutions and project management. In Telecommunications, they received accolades for responsiveness and integration capabilities. Their work in Healthcare demonstrated adaptability and technical proficiency, while feedback from Media highlighted effective collaboration and user-focused design. Overall, their strengths lie in software development, cloud solutions, and agile project management, making them a suitable partner for clients in these sectors.
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IT Services Research Telecommunications Information technology Sports Real estate Media Healthcare Financial services Software Food & Beverages Nonprofit Business services Education Other Industry Advertising & marketing Agriculture Energy & natural resources

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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
Clients consistently highlight Wiser Technology's competitive pricing and excellent value for money. For instance, one client noted that their pricing fit their budget while still delivering high-quality work, emphasizing a great culture and alignment in values. Another client commended them for providing good value for the cost, leading to satisfaction with the project's outcomes. Overall, the sentiment reflects a strong appreciation for the cost-effectiveness of Wiser Technology's services.
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Review Rating from Clients

5.0/5.0

Quality

5.0

Schedule

4.9

Cost

4.7

Willing to Refer

5.0

Sofia clients highlight Wiser Technology’s extensive experience in software development, UI/UX design, and cloud infrastructure. They appreciate their proactive project management, responsiveness, and ability to handle complex projects like OTT platforms and enterprise systems, consistently achieving goals on time with excellent quality.
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Stanga1

4.8 8 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

Stanga1 is a leading company specializing in Software Quality Assurance and Development Testing services. Their client reviews highlight a strong commitment to quality, teamwork, and timely delivery, with 100% positive feedback on their communication and problem-solving skills. Notably, 90% of reviewers commend their adaptability and technical expertise in full-stack development and cloud infrastructure.

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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.
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Software Healthcare Automotive Hospitality & leisure

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Belgium (1) Bulgaria (1) France (1) Germany (1)

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1 of 1 Sofia-based review is 5 stars

Unknown avg. project cost for Application Testing services in Sofia

Sofia-based 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
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Review Rating from Clients

5.0/5.0

Quality

5.0

Schedule

5.0

Cost

5.0

Willing to Refer

5.0

Sofia clients commend Stanga1’s expertise in end-to-end web and mobile development, DevOps, and cloud infrastructure. Their proactive communication, adaptability, and focus on quality have resulted in efficient, impactful solutions for large-scale, data-intensive projects.
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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 recruitment, project management, and SAP solutions. The reviews highlight their effective communication, timely delivery, and strong alignment with client cultures. Approximately 100% of reviewers commend their fast recruitment process, technical expertise, and proactive approach, with no significant areas for improvement noted.

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5 of 5 reviews are 5 stars

$200,000 – $999,999 avg. project cost

Reviewed 5 times in the past 6 months
Recent client feedback on NATEK highlights a strong overall sentiment of satisfaction with their services. Clients commend NATEK for their quick recruitment processes, effective communication, and high competence of IT specialists. Specific mentions include the successful integration of NATEK's experts into client teams and the timely delivery of project goals. Notably, one client emphasized the exemplary communication and proactive approach of NATEK's team, while another appreciated their alignment with company values. No significant areas for improvement were noted.
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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.
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Energy & natural resources Information technology Banks Retail

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Sofia, Bulgaria

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

+359 896 935 690

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Review Rating from Clients

5.0/5.0

Quality

4.5

Schedule

5.0

Cost

4.8

Willing to Refer

5.0

Sofia-based clients highlight NATEK's expertise in project management, delivering timely, professional IT services with strong collaboration and organizational processes. They excel in managing complex projects and recruiting software engineers, demonstrating reliability and cultural alignment.
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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 specialized company offering Application Testing and Software Quality Assurance services, particularly in web application and API penetration testing. The reviews are overwhelmingly positive, with 100% of clients highlighting the professionalism and efficiency of their technical team and streamlined communication. Clients commend their ability to deliver quality work on time and within budget, although a post-remediation verification phase could enhance their offerings.

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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
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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.
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Information technology Software Consulting Financial services IT Services

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

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Review Rating from Clients

5.0/5.0

Quality

5.0

Schedule

5.0

Cost

5.0

Willing to Refer

5.0

Clients in Sofia emphasize SoCyber's strong technical skills in vulnerability assessments, penetration testing, and cybersecurity consulting. Their professional, responsive team consistently delivers detailed reports and actionable insights, successfully managing complex projects in highly regulated environments with a focus on quality and efficiency.
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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.

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Reviews mention Reliable
The feedback highlights DSS - Digital and Software Solutions as a highly reliable partner, noted for excellent project management and adherence to timelines. Clients commend their clear communication, prompt responses, and efficient resource allocation. A professor at a university emphasized DSS's reliability as a long-term partner, having successfully completed multiple projects, including a centralized cybersecurity platform and business process management tools, all delivered on schedule and to the highest satisfaction.

Cybersecurity Platform Dev & IT Services for University

5.0 Feb 27, 2024

Project management was excellent, with clear communication and prompt response, efficient resource allocation and strict compliance with the timelines. All items were delivered according to schedule, and all our needs were promptly addressed. Reliability, wide range of IT services and consultancy provided, relevant management and prompt response.
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Industry Experience

DSS - Digital and Software Solutions has demonstrated expertise across several industries, including Banking, Research, and Information Technology. Feedback highlights their strengths in improving customer experiences in banking applications, delivering complex cybersecurity platforms for universities, and providing quality IT support solutions. Overall sentiment is highly positive, reflecting their reliability, flexibility, and strong project management capabilities, making them a suitable partner for clients in these sectors.
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Banks Research Information technology

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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. One client noted, 'Pricing fits our budget' and 'Good value for cost,' while another echoed similar sentiments, emphasizing their 'great culture fit' and alignment of values. Overall, reviews reflect a positive sentiment regarding cost-effectiveness, with no significant complaints regarding pricing or value, indicating a reliable choice for project partners.
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Review Rating from Clients

5.0/5.0

Quality

5.0

Schedule

5.0

Cost

5.0

Willing to Refer

5.0

Local clients in Sofia appreciate DSS's comprehensive IT services, from mobile app improvements to cybersecurity and enterprise platforms. They value their punctual project execution, detailed focus, and strong client-centric approach across banking and educational sectors.
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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 that specializes in designing and creating applications from scratch. The overall feedback is highly positive, with 100% of the reviewers highlighting their responsiveness and client-focused approach. The company is praised for its good pricing and effective project management, though it could benefit from increased local advertising.

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Industry Experience

MyApp.BG has received positive feedback primarily from clients in the health and wellness sector, highlighted by successful project outcomes and effective collaboration. Clients appreciate their responsiveness and competitive pricing while noting their expertise in transforming ideas into functional applications. Overall sentiment indicates strong satisfaction with their development capabilities, making them a suitable partner for clients in health-related projects seeking reliable app development services.
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Other Industry

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Average Project Cost Breakdown

What Clients Have Said
Clients have expressed satisfaction with MyApp.BG's pricing, noting that they offer 'good prices' while delivering quality work. One client highlighted the successful sale of their app, attributing their achievement to the effective collaboration with MyApp.BG. Overall, the sentiment regarding cost and value for money is positive, with clients appreciating the balance between affordability and the quality of service received.
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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.
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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.
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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.
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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.
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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.
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Sofia, Bulgaria

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

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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.
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Sofia, Bulgaria

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

+447779246741

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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.
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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.
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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.
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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.
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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.
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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.
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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.
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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.
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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.
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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.
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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.

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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
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Sofia, Bulgaria

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

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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.
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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.
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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.
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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.
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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.
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