Top Software Testing Companies in Bulgaria

Ratings Updated: October 22, 2026

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TestFort QA Lab

4.9 25 reviews

$5,000+

$25 - $49 / hr

50 - 249

Serves Bulgaria

Services provided

100% Application Testing

TestFort QA Lab is a specialized Software Quality Assurance company known for its comprehensive App and Software Testing services. Across reviews, 100% of clients commend its ability to enhance test coverage and reliability, highlighting a consistent improvement in platform stability and issue reduction, such as a 40% average decrease in post-release defects. Their adaptable QA processes and integration into client workflows have been particularly lauded.

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6 of 6 reviews are 5 stars

6 new reviews for Application Testing services

$10,000 – $49,000 avg. project cost

Reviewed 6 times in the past 6 months
TestFort QA Lab has received positive feedback over the past six months, with clients praising their structured QA processes and adaptability to project needs. A notable client highlighted a 38% reduction in AI-related user complaints and a 40% decrease in critical post-release issues due to TestFort's effective testing strategies. Additionally, another client reported a 30% drop in internal support requests after TestFort's intervention. Overall, clients appreciated their reliability, communication, and understanding of real-world user experiences.
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17 of 19 Application Testing reviews are 5 stars

8 new reviews for Application Testing in past 6 months

$10,000 – $49,000 avg. project cost

Application Testing PROJECT HIGHLIGHT

QA Services for Audio Streaming Platform
5.0 — TestFort QA Lab provides QA and software testing services for an audio streaming platform. The team supports the client's full product lifecycle and offers cross-platform testing, automation Read more
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Industry Experience

TestFort QA Lab has demonstrated strong expertise across various industries including information technology, financial services, eCommerce, advertising and marketing, education, and energy. Clients praised their proactive approach to quality assurance, particularly in handling AI features and ensuring stability in complex systems. Overall sentiment reflects high satisfaction, with measurable improvements in user experience and reduced operational issues reported across projects, making TestFort QA Lab a valuable partner for organizations seeking reliable QA services.
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Other industries eCommerce IT Services Software Consulting Advertising & marketing Business services Financial services Energy & natural resources Education Information technology

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Average Project Cost Breakdown

$10,000 to $49,000 (10) Less than $10,000 (3) $50,000 to $199,999 (3)

What Clients Have Said
TestFort QA Lab has received positive feedback regarding its cost and value for money. Clients consistently highlighted that the pricing fit their budgets and offered good value for the services rendered. For instance, one client noted that TestFort's pricing aligned well with their financial expectations while providing high-quality testing services. Overall, the sentiment is favorable, with multiple reviews emphasizing the effective balance between cost and the quality of work delivered.
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Cleverix - Software Engineering

5.0 8 reviews

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 comprehensive software testing company offering a range of Testing Services, including Application Testing, QA Testing, and Software Quality Assurance. Reviews indicate a strong positive feedback rate, with 100% of reviewers highlighting their expertise in app quality testing and efficient project management. Clients commend Cleverix's ability to integrate seamlessly with their teams, ensuring timely delivery and enhancing overall product quality.

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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
Cleverix - Software Engineering has received positive feedback in the last six months, with clients highlighting exceptional project management and responsiveness. One reviewer praised their comprehensive testing services for web and mobile applications, noting the effective combination of automated and manual testing. The company is commended for consistently delivering on time while maintaining high-quality standards and customer satisfaction. Overall, clients express a strong alignment with Cleverix's values and a high level of trust in their capabilities.
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Average Project Cost Breakdown

$50,000 to $199,999 (4) $10,000 to $49,000 (2)

What Clients Have Said
Cleverix - Software Engineering has received positive feedback regarding its overall cost and value for money. Clients highlighted that the company's pricing fits their budgets while providing exceptional value. For instance, one client noted that Cleverix offered 'good value for cost' and was selected due to their alignment with budgetary constraints. Another client emphasized that Cleverix's pricing structure was a significant reason for choosing them, stating it fit their budget well. Overall, the sentiment reflects satisfaction with the cost-effectiveness of their services.
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Bulgaria (3) United States (3) England (1)

This provider is fluent in 3 languages:

Bulgarian

English

German

This provider is available in 3 time zones:

Greenwich Mean Time (GMT)

Eastern European Time (EET)

Eastern Standard Time (EST)

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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 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.

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Reviews mention Dedicated
Clients have expressed a strong sentiment of dedication towards ScaleFocus, highlighting their ability to swiftly understand project requirements and deliver effective solutions. One client noted, 'We strongly recommend them as a trusted software development partner and thank them for their dedication.' Additionally, the team was praised for their ongoing support and collaboration throughout the project, reinforcing their commitment to client success.

Custom Platform Dev of Job Board

5.0 Jan 21, 2019

The ScaleFocus team delivered the platform as per the agreed deadlines by complying with all requirements and needs. Their team was always there to help and assist by providing know-how and giving advice on how to proceed in certain areas. ScaleFocus was able to quickly grasp our needs, make them their own, and gather a team to deliver a finely-tuned platform. We strongly recommend them as a trusted software development partner and thank them for their dedication.
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1 of 1 reviews is 5 stars

Unknown avg. project cost

Reviewed 1 time in the past 6 months
Scalefocus has received positive feedback for its effective modernization of a pharmaceutical retail POS system, resulting in zero unplanned downtime and reduced maintenance costs. Clients appreciate Scalefocus's strong engineering expertise, Agile project management, and ability to adapt to evolving business needs. The team has integrated well with internal stakeholders, ensuring consistent delivery and transparency. Overall, the sentiment is highly favorable, with clients noting Scalefocus as a reliable long-term partner in managing complex technical environments.
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More responsive than most other service providers

Scalefocus 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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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)

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ReactiveHive Group – 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.

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Reviews mention Detail-oriented
Reactive Hive Ltd has received positive feedback regarding their detail-oriented approach to project testing. A client highlighted their "great attention to detail," noting that the team tested aspects that had not been previously considered. This meticulousness contributed to enhanced confidence in project delivery, especially under tight deadlines. Overall, clients appreciate the thoroughness and expertise provided by Reactive Hive, which has led to successful project outcomes.

Platform Dev & Testing Services for Marketplace Platform

5.0 Dec 2, 2022

The attention to detail was great. They were testing things we hadn't thought about.
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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.
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Ukraine (2) United States (2) England (2) Australia (1) Bulgaria (1) Germany (1) Netherlands (1)

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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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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.

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Reviews mention Detail-oriented
Clients have consistently praised App Streams Ltd for their detail-oriented approach. One client noted their thorough testing across all components, including unit, integration, and E2E testing, ensuring a bug-free and reliable product. Additionally, the team's ability to manage work independently while honoring deadlines and adhering to specifications highlights their meticulousness. Overall, the sentiment is highly positive, emphasizing their commitment to quality and efficiency in delivering complex projects.

Mobile App Development for Healthcare Company

5.0 Oct 12, 2023

App streams team is self sufficient and can organize and manage work within themselves. They always honored any deadline set. We were able to communicate high or mid level ideas and designs and trust them to implement them and make any technology decisions along the way. Everything was up to specification at all times. Very detail oriented and yet always pushing towards achieving the broader goals.
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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.
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Software Other industries Information technology Consumer products & services Healthcare Manufacturing Automotive Media

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Average Project Cost Breakdown

$10,000 to $49,000 (1) $50,000 to $199,999 (1) $200,000 to $999,999 (1)

What Clients Have Said
Clients consistently report that App Streams Ltd offers excellent value for money, with many highlighting that their pricing aligns well with budget expectations. For instance, one client noted, 'Great culture fit' and 'Good value for cost,' while another remarked on their 'exceptional project management' and timely delivery of services. Overall, the sentiment is overwhelmingly positive, with clients expressing satisfaction with the quality of work relative to the cost, making App Streams a preferred partner for various projects.
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Bulgaria (4) United States (2) England (2)

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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.

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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
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Industry Experience

Wiser Technology has demonstrable expertise in various industries, including telecommunications, information technology, and healthcare. Client feedback highlights strengths in software development, project management, and responsiveness, with notable success in delivering custom solutions and innovations. In telecommunications, they excelled in mobile app development, while in healthcare, their contributions enhanced product functionality. Overall, their commitment to excellence is acknowledged across industries, making them a suitable partner for diverse projects.
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Other industries Telecommunications Information technology Real estate Media Financial services Business services Education Advertising & marketing Energy & natural resources Healthcare IT Services

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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
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.
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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)

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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.

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Reviews mention Autonomous
Clients have expressed a positive sentiment towards Stanga1's autonomy in project execution. One client noted that the team was able to perform their activities independently, which allowed internal teams to focus on their tasks without interruptions. Their responsiveness and thorough analysis were also highlighted as key strengths. Overall, Stanga1's ability to work without requiring constant oversight was greatly appreciated, indicating a strong level of trust and competence.

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, they were able to perform all their activities without any need of our interference. This was very appreciated from our internal teams. Their availability and ability to work independently were particularly appreciated by our internal teams, as they were able to focus on their own tasks without interruptions.
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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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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.
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Belgium (1) Bulgaria (1) France (1) Germany (1)

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SoCyber

5.0 14 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 providing Application Testing and Software Quality Assurance services, particularly focusing on penetration testing. Their reviews highlight a consistent delivery of professional and timely service, with 100% of clients noting their efficient communication and project management. However, a follow-up verification phase could enhance their service further.

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Reviews mention Helpful
SoCyber has received positive feedback for their professionalism and effective communication. Clients noted their excellent customer service and timely project delivery. For instance, one client highlighted the clarity of SoCyber's reports, making them accessible for both technical and non-technical stakeholders. Another client praised their responsiveness and politeness, indicating a high level of satisfaction with the team's approach. Overall, SoCyber is recognized for its helpfulness and alignment with client values, contributing to successful project outcomes.

Cybersecurity for Financial Management Solutions Firm

5.0 Jul 5, 2023

SoCyber provided great insights into the security of our web application. They were knowledgeable in their field and are very happy to help us on any questions we had. The project was a success from start to finish. The team were quick to respond to emails and questions and clearly identified the project timelines, which were met. Their customer service is excellent.
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Cybersecurity Services for Management Consulting Company

5.0 Nov 15, 2021

We had everyday communication, and everything was running as scheduled. We appreciated that they are consulting the client on how to mitigate the vulnerabilities that are found. I think everything is great!
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Cybersecurity for Business services

5.0 Sep 16, 2026

SoCyber has met the deadline, is very helpful, always responds, and is very polite.
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1 of 1 reviews is 5 stars

Less than $10,000 avg. project cost

Reviewed 1 time in the past 6 months
SoCyber has received positive feedback from clients in the last six months, particularly for their thorough external security audits. One client highlighted the timely delivery of reports detailing identified issues and solutions, which enhanced their platform's security. The professionalism and responsiveness of SoCyber's team were also commended. Overall, clients express high satisfaction with SoCyber's project management and effective communication, indicating a strong alignment with their needs and values.
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Average Project Cost Breakdown

Less than $10,000 (12)

What Clients Have Said
SoCyber is frequently praised for its competitive pricing and overall value for money. Clients have noted that SoCyber's pricing fits within their budgets while still delivering high-quality services. For instance, one client highlighted the company's good value for cost and efficient project management, consistently delivering on time and within budget. Overall, the sentiment is overwhelmingly positive, with many clients expressing satisfaction with the cost-effectiveness of SoCyber's offerings.
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Bulgaria (8) England (2) Canada (1) United States (1)

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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 Communicative
Clients consistently highlight DSS - Digital and Software Solutions' exceptional communication skills and responsiveness. One client noted 'clear communication and prompt response,' emphasizing their efficient project management. Another praised the company's reliability and relevant management, stating that all needs were 'promptly addressed.' Overall, the sentiment regarding communication is overwhelmingly positive, reflecting DSS's commitment to maintaining strong client relationships throughout project execution.

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.
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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.
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Information technology Banks Research

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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. 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.
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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.

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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.
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Business services Software Financial services

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

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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.

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Reviews mention Professional
Clients consistently commend Lambda Bit for their professionalism and project management skills. Notable feedback includes a client's appreciation of their tailored approach and timely delivery of services. One client specifically highlighted Lambda Bit's proactive communication and technical expertise, stating they set a high standard for security assessments. Overall, the sentiment regarding professionalism is overwhelmingly positive, with no reported areas for improvement, indicating a strong alignment with client expectations.

Cybersecurity & IT Consulting for AI Development Company

5.0 Jun 19, 2024

Adrean demonstrated excellent project management skill, delivery was on time, and all the needs were addressed. We appreciated their professionalism and tailored approach.
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Cybersecurity for Accounting SaaS Solutions Firm

5.0 Jun 19, 2024

Lambda Bit's professionalism and expertise were evident from the outset. They conducted a thorough 64-hour security audit, during which he provided frequent updates. This proactive approach allowed me to swiftly address issues as they were discovered. Final deliverables were on-time with exceptional quality.
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Cybersecurity for Accounting SaaS Solutions Firm

5.0 Jun 19, 2024

Lambda Bit's professionalism, technical proficiency, and genuine dedication make them an invaluable partner in fortifying digital security. I look forward to collaborating with them again in the future to ensure the ongoing integrity and safety of our application. Lambda Bit have set a high standard for security assessments, and I'm grateful for the outstanding service they provided to my business.
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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.
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Financial services Information technology

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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.
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Canada (1) United States (1)

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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 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.

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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.
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Other Industry

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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.
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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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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.
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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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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.
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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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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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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.
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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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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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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.
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Ruse, Bulgaria

ploshtad "Dunav"
Ruse, Bulgaria 7000
6 - 9

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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.
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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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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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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.
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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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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.
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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.

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Reviews mention Timely
Clients generally express a positive sentiment regarding Confidence Technology's timeliness. One client noted the 'super adequate response' to their requests, indicating that the company met deadlines effectively. The development speed was highlighted as a key success factor, with minimal errors reported. Overall, the feedback suggests that Confidence Technology is reliable in delivering projects on time, contributing to a favorable impression among its clients.

Web Design & Development for Sugar Decor Manufacturer

5.0 Mar 4, 2025

The project management was organized and efficient. Items were delivered promptly according to the agreed schedule, and any requests or issues we had were addressed quickly. Their proactive communication and willingness to adapt ensured our needs were consistently met.
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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.
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Food & Beverage IT Services

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Average Project Cost Breakdown

Less than $10,000 (2)

What Clients Have Said
Clients commend Confidence Technology for offering competitive pricing that aligns with their budgets, highlighting it as a significant factor in their selection. One review noted the 'good value for cost,' while another emphasized the company's 'high ratings' and 'extensive experience' contributing to their perceived value. Overall, clients expressed satisfaction with the cost-effectiveness of the services provided, indicating a strong sentiment towards the company's pricing structure.
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Свети Влас, Bulgaria

Fort Noks A2
Свети Влас, Bulgaria 8256
10 - 15

+380638782011

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UASOFTDEV

5.0 10 reviews

$10,000+

$25 - $49 / hr

10 - 49

Sofia, Bulgaria

Services provided

10% Application Testing

10% AI Agents

10% AI Development +7 services

10% AR/VR Development

10% Blockchain

10% Cloud Consulting & SI

10% Custom Software Development

10% E-Commerce Development

10% Generative AI

10% IT Staff Augmentation

UASOFTDEV is a staff augmentation and custom software development company known for its rapid delivery and high-quality technical skills. Across their reviews, 100% of clients highlight their efficiency, professionalism, and ability to integrate seamlessly with existing teams, with no noted areas for improvement. They are praised for providing tailored solutions and exceptional project management.

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1 of 1 reviews is 5 stars

$50,000 – $199,999 avg. project cost

Reviewed 1 time in the past 6 months
UASOFTDEV has received highly positive feedback in recent reviews, particularly for their swift and effective talent matching. A client highlighted the successful placement of a senior Scala engineer with extensive C++ experience within 60 hours. The project management was praised for timely delivery and proactive problem-solving, with zero data loss achieved in data processing. Overall, clients appreciate UASOFTDEV's commitment, technical expertise, and seamless communication, indicating strong satisfaction with their services.
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Industry Experience

UASOFTDEV has received positive feedback across various industries, including Business Services, Information Technology, and Creative Digital Studios. Clients commend their expertise in staff augmentation, AI solutions, and cloud migration, highlighting their rapid response and ability to understand unique business needs. Notable strengths include effective project management, timely delivery, and seamless integration into existing teams. Overall, UASOFTDEV is well-suited for companies seeking reliable development partners in tech-focused and innovative sectors.
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Select Industry to see insights

Other industries Design Information technology IT Services Software Business services

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View projects from:

Ukraine (2) Bulgaria (1) Cyprus (1) England (1)

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Sofia, Bulgaria

15 ulitsa "Business park Sofia"
Sofia, Bulgaria 1766
2 - 5

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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 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.

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1 of 1 reviews is 5 stars

$200,000 – $999,999 avg. project cost

Reviewed 1 time in the past 6 months
NATEK has received positive feedback over the last six months, with clients highlighting their effective communication, timely project delivery, and strong teamwork. One client praised NATEK for their fast recruitment process and flexibility in meeting project goals. The overall sentiment is favorable, with no significant areas for improvement noted, indicating a high level of client satisfaction.
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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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Select Industry to see insights

Energy & natural resources Information technology Banks Retail

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Bulgaria (2) Poland (2) United States (1)

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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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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.
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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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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.
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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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Sourcelab is very responsive

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Reviewed 1 time in the past 6 months

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Reviewed 1 time in the past 6 months

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