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The OSC has two classes of membership:

Ordinary Member

Associate Member

  • free to join and entitled to almost all the rights of Ordinary members save for the right to vote or to be on the Council.

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Corporate Members

2nd Quadrant Oxford
2nd Quadrant is the world’s leading authority on the open source PostgreSQL RDBMS, backed by team experience and certifications on Oracle, MySQL, Teradata, Progress, Informix, Microsoft SQL Server and Sybase.
We provide a range of services that underpin the Database Lifecycle of PostgreSQL implementations.
Basho Technologies London
Basho Technologies is the creator and developer of Riak, a distributed database (sometimes categorised as a NOSQL database) that provides extreme high-availability, fault-tolerance, and operational simplicity, and Riak CS, an object storage system that sits on top of Riak.
Blue Fountain Systems Ltd Liverpool
Leading software developer using open source technology - Training courses - Plone - Installation programmes.
Birmingham Open Source Solutions Birmingham
Support and development of systems using FLOSS stacks. From high performance email systems to world-spanning database herds, Birmingham Open Source Solutions manages pragmatic FLOSS deployments.
Canonical Ltd London
Canonical provides engineering, online and professional services to Ubuntu partners and customers worldwide. As the company behind the Ubuntu project, Canonical is committed to the production and support of Ubuntu - an ever-popular and fast-growing open-source operating system. It aims to ensure that Ubuntu is available to every organization and individual on servers, desktops and laptops.
Canonical partners with computer hardware manufacturers to certify Ubuntu, provides migration, deployment, support and training services to businesses, and offers online services direct to end users. Canonical also builds and maintains collaborative, open-source development tools to ensure that organizations and individuals can participate fully in innovations within the open-source community. Our technical team is one of the largest in Europe with more than 40 open source consultants; many of these are Debian developers and actively involved in contributing to free software projects worldwide. We have experience in both large scale projects and niche implementations.
Catalyst IT Europe Ltd Brighton
With businesses in New Zealand, Australia and the UK the Catalyst IT group delivers open source software based solutions to clients across the world. We are specialists in a number of open source solutions including Moodle, TotaraLMS, Mahara, Drupal and Koha ILS.
Charter Software Ltd Kent
Small, independent IT Consultancy specialising in hybrid systems based around Linux/Open Source; network monitoring and backup using Open Source tools and bespoke software development in Java, Python, C and C++.
Code Enigma London
Code Enigma provide professional services for the open web, specialising in Drupal applications for large organisations.
credativ Ltd Rugby
credativ is an industry leader in the provision of services for free software. Our technical team is one of the largest in Europe with more than 40 open source consultants; many of these are Debian developers and actively involved in contributing to free software projects worldwide. We have experience in both large scale projects and niche implementations.
credativ was recently assessed for excellence and recommended for certification by Accredit UK. We support all major projects and linux distributions and offer a full range of services including consultancy, technical advice, qualified training and personalised support.
Embecosm Lymington
Embecosm provides open source software engineering services for electronic hardware modeling and embedded tool chain development.
Our particular speciality is GNU tool chain development for pre-silicon ASIC designs using models of the hardware. This allows earlier embedded application development, which also becomes part of hardware verification. The result is higher quality silicon and shorter time to market.
Enterprise Management Consulting Ltd London
Enterprise Management Consulting helps businesses and public sector organisations to unlock value from the growing wealth of freely available Open Source Software (OSS). We deliver business-ready IT solutions tailored to fit the needs of your organisation.
Flax Cambridge
If your business depends on customers or staff finding information quickly and accurately, you need effective search and text analysis.
We're experts in all aspects of search application development, with decades of experience in the field and a reputation for quality. Flax provides independent open source search solutions based on the Xapian, Lucene/Solr and Elasticsearch platforms. We also release our own open source software including powerful monitoring and classification systems.
Using open-source search software we can provide your business with a search solution that is reliable, accurate, fast and economical to develop and grow. Our expert team will work with you to identify key requirements and to solve your search needs.
Fry-IT London
Fry work across many industry sectors, though we're best known in the Education, Healthcare, Charity and Mobile Operator marketplaces. We provide solutions and consultancy based on Open Source to a variety of clients including Oxford University, Great Ormond Street Hospital, Orange and the Department of Health.
Inviqa London
We are open source web development experts. We help organisations meet their business goals by delivering high quality web projects using the latest open source technology. We demonstrate leadership in our core disciplines of Web Development, Consulting, Training and Support. We employ experienced developers who are passionate about what they do and relish tackling a variety of challenges.
LinuxIT Bristol
LinuxIT is an IT Services company specialising in Linux systems management with an unrivalled record in deploying best practice Linux and open source software
Gained over 14 years. LinuxIT is a professional services organisation that provides enterprise quality services and support from a strategic to operational level aligning the IT systems with organisations vision and strategy
Omnis Systems Ltd Brighton
OpusVL Rugby
OpusVL provides operational designed IT solutions for small to medium businesses and also larger corporate clients. Our services ensure that IT solutions are entirely appropriate and relevant to our clients' businesses. The diversity of OpusVL's capabilities is shown from the several developed and operational solutions it offers including powerful virtual office management systems, estate agent portfolio management, broadband for multiple occupancy sites and business centres, business continuity notification systems and many others. OpusVL has nearly a decade of experience with Open Source, Internet and Linux solutions with the majority of staff working in this area from the mid 1990s. OpusVL promotes quality and professionalism throughout.
OSSCube UK London
OSSCube UK is a sister company of One Point Consulting Ltd. OSSCube has extensive expertise in open source solutions based on PHP and open source databases. Established in 2006, OSSCube is a leading global open source Solutions Company focused on providing an integrated value chain of services encompassing outsourced software development, product customization and implementation, and consulting and training services. The company has a strong track record of delivering cost effective, on budget, on time solutions to its customers, and has the experience and resources to plan, develop and deliver large scale and complex projects. We have worked with clients that range from one person business to Fortune 500 companies, and that are spread across education, travel, ecommerce, healthcare, CRM, mobile applications, insurance & banking, social media and telecom sectors
parliament hill computers Watford
Parliament Hill Computers will provide you with high quality Open Source help in the areas of: system management; Internet services; bespoke application development, support and training.
PretaGov UK, Australia, New Zealand
PretaGov provides high performance, innovative CMS SaaS for Government websites, built with secure, cost effective, fully supported open source technology.
We improve government effectiveness, efficiency, and reduces costs by relieving agencies of the management of back end web technology so they can focus 100% of their time on the delivery of frontline services to the public.
Rackspace London
Dedicated hosting services with nine hosting centres. Co-founders of community cloud computing initiative OpenStack.
RISE Computers Southampton
A Social Enterprise working for digital equality, community and inclusion. A member of Social Enterprise UK .
SalesAgility Stirling
We engage globally with governments, enterprises and SMBs to deliver SugarCRM projects that reflect the business needs of our clients. We're known for our deep and expert knowledge of CRM, for our ability to transform business process requirements into elegant, robust and usable SugarCRM functionality and for our commitment to open source software.
ScraperWiki Liverpool
We have a web-based platform – or data hub – where programmers write scripts to get, clean and analyse data sets. They can simply schedule code to run automatically, and they can reuse the structured data with our flexible API.
Seath Solutions Ltd Cambridge
Developing and running businesses based on Open Source ERP software such as Open ERP. Consulting, training and writing books on Open Source ERP software.
SUSE Bracknell
SUSE is a leading provider of enterprise Linux solutions that increase agility, reduce cost and manage complexity in dynamic environments. With a portfolio centered around SUSE Linux Enterprise, the most interoperable platform for mission-critical computing, SUSE enables organisations to confidently deliver computing services across physical, virtual and cloud environments. With our award-winning products, open source communities and ecosystem of partnerships, SUSE solutions empower thousands of organisations around the world.
Tactix4 Plymouth
Tactix4 have been supplying software development, data quality, data integration and responsive support services in and around Southern England for nearly a decade. We have built up extensive experience working with sensitive data in controlled environments and with a wide variety of technologies.
TDM Bewdley
TDM are an Open Source Services Company who specialise in implementing eLearning and eBusiness software. At the heart of our business, we:
Train OSS End-users and System Administrators
Develop Bespoke Software Applications using OSS
Manage OSS running on Linux Servers and Networks
The Learning Machine Ltd Tamworth
TLM is an Awarding Body regulated by Ofqual, the regulators for qualifications in England Wales and Northern Ireland. TLM is endorsed by eskills, the Sector Skills Council for Business and IT that ensures qualifications meet the needs of industry and employers. TLM is responsible for developing and managing a new and innovative family of qualifications called The INGOTs. INGOT is an acronym, International Grades Open Technologies reflecting a commitment to qualifications that are related to open systems, open source software and open content.
Transitiv Technologies Wolverhampton
Transitiv Technologies consultants provide our customers with access to the skills needed to design, develop, deploy and maintain Linux, Unix and Open Source software within their enterprises. We specialise and have extensive experience in the design, implementation, customisation and support of Open Source enterprise grade network monitoring systems such as Nagios, Icinga and Cacti. Transitiv provide expert support up to 24/7 , consultancy, training and development for business critical Open Source applications running on a wide variety of operating systems.
Walsall Council West Midlands
Walsall Council is a large organisation, responsible for providing or commissioning hundreds of public services, with a gross budget of just under 664 million and capital programme of just under 39 million. As well as providing a full range of statutory public services, the council, along with a range of local organisations and agencies works to improve the economic, social and environmental well-being of the area, while safeguarding the prospects of future generations.
Zedcore Systems Ltd Sheffield
Web application development. Specialists in document management, online recruitment and systems integration. Zedcore power the websites, intranets and recruitment systems for several NHS Trusts, a trade union, plus hundreds of hotels and various bespoke e-commerce applications.

Individual Members

Carlos Chavez Brighton
Mark Cross Plymouth
Gerry Gavigan London
Bernard Giltrap Coventry
Self employed IT consultant providing support to Windows set-ups with Open Source additions
Roger Greenwood Holmfirth
Robert James (RJCN Associates) Liverpool
I am a freelancer working as a consultant and developer for SMEs. I'm also involved in the specification and installation of hosted VoIP telephone systems. I recommend and use Open Source solutions wherever possible. I'm also a founding member of Axiom Tech.
Robert Newcater Hemel Hempstead
Chris Puttick Oxford
CP1 Associates provides holistic information consultancy and CIO services for companies that do not need a full-time CIO or have an interim requirement.

Associate Members

  • Sheffield
  • Bangalore, India
  • Atlanta, USA
  • Colchester, Essex
  • Margate, Kent
  • London
  • Portsmouth, Hants
  • Milton Keynes
  • The Highlands
  • London
  • London
  • Glasgow
  • Germany and UK
  • Belgium, India and partners worldwide
  • Southampton
  • USA
  • Oxford
  • Edinburgh