Top Software Testing Companies in London

Ratings Updated: September 19, 2026

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Featured

What are Featured Providers?
Simform

4.8 85 reviews

Verified

$25,000+

$25 - $49 / hr

1,000 - 9,999

Serves London, England

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 versatile company offering comprehensive software development and application quality assurance services. According to reviews, they excel in delivering projects on time and within budget, with 90% of clients highlighting their strong communication and commitment to client success. Clients also commend Simform's ability to adapt to evolving project requirements and their technical proficiency in software QA and development testing.

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Reviews mention Results-oriented
Clients express a strong sentiment of satisfaction regarding Simform Solutions' results-oriented approach. One client noted their confidence in the development process, stating, 'We see results, and we know exactly where we are.' The firm's ability to adapt and respond to user feedback was highlighted, with the client appreciating the guidance in navigating complex solutions. Overall, the feedback reflects a positive perception of Simform's effectiveness in achieving project goals and fostering a collaborative environment.

Mobile App Development for Software Company

5.0 Feb 11, 2023

The developer was able to improve the app performance drastically and single-handedly develop all of the planned features. We had no complaints about the work and were consistently impressed with the time of delivery. I'm impressed by the company's ability to ask good questions to fully understand the problems before solving them. They were always able to deliver results on time and had no communication issues.
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Average Project Cost Breakdown

$50,000 to $199,999 (21) $10,000 to $49,000 (16) $200,000 to $999,999 (14) Less than $10,000 (1)

What Clients Have Said
The reviews for Simform consistently highlight their competitive pricing and overall value for money. Clients appreciate that their budget constraints were respected, with one stating, "Pricing fit our budget" and another noting, "Good value for cost." Feedback emphasizes timely deliverables and quality outcomes, with clients noting successful projects completed within budget. However, some reviews indicate that while initial costs were reasonable, additional charges for changes or scope adjustments were sometimes unexpected. Overall, sentiment regarding cost effectiveness is positive.
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United States (50) Canada (6) England (4) Germany (4) United Arab Emirates (2) Switzerland (2) Netherlands (1) Norway (1) Singapore (1) Sweden (1) Israel (1) Ireland (1) Hungary (1) Finland (1)

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1 of 1 London-based review is 5 stars

Unknown avg. project cost for Application Testing services in London

London-based Application Testing project highlight

Staff Augmentation for E-Commerce Marketing Platform
5.0 — Simform provides ongoing staff augmentation for an e-commerce marketing company. They help expand the internal team's technical operation and offer necessary management resources. Read more
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QualityLogic

4.9 32 reviews

Premier Verified

$5,000+

$25 - $49 / hr

50 - 249

Serves London, England

Services provided

100% Application Testing

QualityLogic is a professional company specializing in Application Testing and Software Quality Assurance. Their reviews consistently highlight their effective communication, timely delivery, and thorough testing processes, with 100% of reviews praising their professionalism and project management skills. Clients appreciate their ability to integrate seamlessly with existing workflows and their commitment to aligning with company values, making them a preferred choice for QA and Software Testing needs.

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20 of 22 Application Testing reviews are 5 stars

$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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Industry Experience

QualityLogic has demonstrated expertise across various industries, including Government, Healthcare, Advertising & Marketing, Information Technology, and Education. Clients praised their strong project management, effective communication, and depth of knowledge in compliance and testing. In Government and Education, they excelled in ADA compliance and accessibility, while in Healthcare, they improved product launches and customer experiences. The overall sentiment is positive, highlighting QualityLogic's reliability and value in delivering high-quality QA services tailored to specific industry needs.
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Software Healthcare Advertising & marketing Information technology Legal Education Other Industry Arts, entertainment & music Consulting Transportation Financial services Media IT Services Government Business services

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Average Project Cost Breakdown

$50,000 to $199,999 (8) $200,000 to $999,999 (7) $10,000 to $49,000 (6) Less than $10,000 (1) $1,000,000 to $9,999,999 (1)

What Clients Have Said
Overall, clients commend QualityLogic for delivering strong value for money and fitting within budget constraints. For instance, one client highlighted their 'good value for cost,' while another appreciated the 'cost to benefit ratio' as a 'real win.' Clients have noted that the pricing aligns well with their needs, often resulting in successful project outcomes without unexpected expenses. Sentiment towards QualityLogic's pricing structure is consistently positive, with many emphasizing the quality of service relative to the cost.
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United States (26) Canada (1) Singapore (1) Spain (1)

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BetterQA

4.9 64 reviews

Premier Verified

$5,000+

Undisclosed

50 - 249

Serves London, England

Services provided

80% Application Testing

10% Application Management & Support

10% Other IT Consulting and SI

BetterQA is a dedicated software testing company offering Application Testing, QA Testing, and Software Quality Assurance services. Consistently praised for their strong QA expertise and business understanding, BetterQA receives around 95% positive feedback. Approximately 80% of reviewers highlight their tailored, efficient testing solutions and proactive communication, emphasizing their focus on delivering high-quality, practical outcomes without applying generic frameworks.

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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 praise BetterQA for offering excellent value for money, with several reviews highlighting that their pricing fits within budgets while delivering high-quality results. For instance, a construction company noted that BetterQA's services provided 'good value for cost,' while a real estate CEO emphasized their 'great culture fit' and 'good value for cost.' Overall, the sentiment is overwhelmingly positive, with clients expressing satisfaction with the quality of work relative to the investment made.
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United States (18) Romania (8) England (4) Germany (4) Switzerland (3) France (2) Kenya (1) Belgium (1) Russia (1) Singapore (1) Sweden (1) India (1) United Arab Emirates (1) Hong Kong (1) Canada (1)

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$4,500 Startups, Small Teams $7,500 Growing Businesses $9,000 Enterprises, Complex

BetterQA Independent Testing Solutions
Independent testing that tells you what's actually broken, not what you want to hear. We bridge the gap between developers who build it and business teams who sell it. Bottom line: we make sure your releases work so you can sleep at night.
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2 of 3 London-based reviews are 5 stars

$10,000 – $49,000 avg. project cost for Application Testing services in London

London-based Application Testing project highlight

Java Automated & Manual Testing for AI-Driven Data Platform
5.0 — An AI-driven data platform hired BetterQA to create and maintain automated tests for their software. The team used Java to conduct API and UI automation tests. Read more
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ItsRevolution

Not yet reviewed

$25,000+

$25 - $49 / hr

10 - 49

Erith, England

Services provided

12% Application Testing

52% Mobile App Development

24% UX/UI Design +1 service

12% Application Management & Support

ItsRevolution is a mobile application development firm. They were launched in 2016, and their services include Mobile App Development and UX/UI Design.
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Archnix Pvt Ltd

Not yet reviewed

$10,000+

$25 - $49 / hr

10 - 49

London, England

Services provided

10% Application Testing

30% Custom Software Development

15% Mobile App Development +5 services

15% Web Development

10% Application Management & Support

10% E-Commerce Development

5% AR/VR Development

5% Blockchain

Archnix Pvt Ltd is a software development firm launched in 2020. Based in London, England and Colombo, Sri Lanka, the team provides Custom Software Development and Web Development.
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Featured

What are Featured Providers?
QAlified

4.9 21 reviews

Verified

Undisclosed

$25 - $49 / hr

10 - 49

Serves London, England

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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Reviews mention Helpful
Clients have expressed high satisfaction with QAlified's services, noting their professionalism and willingness to assist. One CEO highlighted their effective usability testing for an app designed for children, stating that QAlified provided valuable insights that led to significant improvements. The client emphasized the importance of communication and encouraged potential customers to clearly articulate their needs, reflecting an overall positive sentiment towards QAlified's helpfulness in project execution.

Usability Testing for Music Education Application

5.0 Feb 2, 2021

Not only were they professional, but they were also very willing to help and they worked on the testing with children. There are also a lot of things we needed to know how to handle and to handle right, as well as create a nice environment, and they were really able to do that. While I don’t have a similar experience to compare to, I have to say I was very impressed with how they work.
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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 expertise across multiple industries, including healthcare, media, aviation, e-commerce, advertising, manufacturing, education, and government. Feedback highlights their strengths in quality assurance, automated testing, and their ability to adapt to client needs. Overall, clients commend their responsiveness, project management, and thorough testing processes, indicating a strong fit for organizations seeking reliable QA solutions in diverse sectors.
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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 praise QAlified for offering competitive pricing that aligns with their budgets while providing excellent value for money. Feedback highlights that the company's services not only meet but often exceed expectations, with one client noting, "Good value for cost." Another emphasized their ability to deliver high-quality results on time, reinforcing the sentiment that QAlified is a cost-effective choice for quality assurance services.
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SearchPilot

Not yet reviewed

Undisclosed

Undisclosed

2 - 9

London, England

Services provided

30% Application Testing

70% Search Engine Optimization

Small SEO company SearchPilot, is headquartered in London, England. The team focuses on Search Engine Optimization and Application Testing.
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Ab Ovo, Inc.

Not yet reviewed

Undisclosed

Undisclosed

50 - 249

Harrow on the Hill, England

Services provided

20% Application Testing

20% BI & Big Data Consulting & SI

20% IoT Development +2 services

20% Mobile App Development

20% UX/UI Design

UX company Ab Ovo, Inc. Was founded in 2006. The agency offers UX/UI Design and BI & big data consulting & SI.
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Harrow on the Hill, England

Ground Floor Office Cervantes House, 5-9 Headstone Road
Harrow on the Hill, England HA1 1PD

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Top Software Testing Companies in London

List of the Top London QA Testers

Reviews mention Results-oriented

Mobile App Development for Software Company

Average Project Cost Breakdown

What Clients Have Said

Staff Augmentation for E-Commerce Marketing Platform

Application Testing & QA for Cybersecurity Company

Industry Experience

Select Industry to see insights

Average Project Cost Breakdown

What Clients Have Said

Average Project Cost Breakdown

What Clients Have Said

BetterQA Independent Testing Solutions

Java Automated & Manual Testing for AI-Driven Data Platform

Reviews mention Helpful

Usability Testing for Music Education Application

App Testing for Content Creation Platform

Industry Experience

Select Industry to see insights

Average Project Cost Breakdown

What Clients Have Said

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List of the Top London QA Testers

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