AG Technical Limited
- Provide manual and automated testing across the development lifecyle. [Farnborough, GU14 8UL.]
- http://www.agtechnical.co.uk/

Empowerment Quality Engineering Ltd.
- Test consultancy providing specialised test services to the telecommunications, financial and pharmaceutical sectors.
- http://www.empowermentqe.com/

Quality & Performance Consulting Ltd.
- Providing Software testing, Project Management, Systems and Networking Solutions.
- http://www.qupeco.com/

E-testing Consultancy
- Specialising in software quality and performance testing in Europe and the UK. Also offers ISEB certification training in software testing.
- http://www.etesting.com/

Testing Automation
- Specialists in automated software testing, especially Mercury Interactive's and Omsphere's testing tools. Developers of the Decision Engine Simulator tool.
- http://www.testingautomation.com/

3MEX
- Consultancy engaged in the delivery of software testing, change and configuration management services.
- http://www.3mex.com/

IS Integration
- Specializing in corporate load testing, functionality, usability testing, user acceptance testing, CMMI and integrating business solutions to FTSE 100 companies.
- http://www.isintegration.com/

E-SmarTest, Ltd.
- Offers testing services and courses aimed at assisting software test professionals to deliver improved and high quality software.
- http://www.e-smartest.co.uk/

QAIST Limited
- Provides testing solutions including test management, consultancy, recruitment and training.
- http://www.qaist.co.uk/

Test Partners Ltd
- Services include functionality, compatibility, usability, accessibility, load and stress, email and multimedia testing.
- http://www.testpartners.co.uk/

Zebsys Ltd.
- A consulting firm that provides small to medium-sized companies with professional software testing services for Web-based systems.
- http://www.zebsys.com/

StarBase Computer Services Ltd.
- Specializes in application testing and monitoring offering a range of services and training including load testing, automated testing, application management and managed testing.
- http://www.starbase.co.uk/

Nmqa Ltd.
- Provider of technical software testing and quality assurance solutions in the UK. Services include functional, automated, performance and non-functional testing.
- http://www.nmqa.com/

IB Technologies UK Ltd
- Offers test strategy and planning, compliance and regulation QA, test management and automated test execution and maintenance.
- http://www.ibt.eu.com/

Etest Associates (UK) Ltd.
- Software testing and quality assurance solutions for information systems and e-business.
- http://www.etest-associates.com/

UK Testing Ltd
- IT test analysis and consultancy services. Includes client portfolio.
- http://www.uktesting.com/

Elite Testing Consultants
- Testing services company which provides solutions for financial service companies.
- http://www.elitetestingconsultants.com/

Acutest Ltd
- The independent software testing consultancy specialising in testing IT and technology centred change offers services, clients, careers, out of hours and a location map.
- http://www.acutest.co.uk/

Acme Consulting
- Consultancy providing testing services to major investment banks in the city of London.
- http://www.acmeconsulting.co.uk/