Suppliers starting with O


Obillex has developed a supplier finance technology platform, which enables the public sector and large corporations to provide working capital and early payment solutions to their suppliers, including SMEs. This addresses social and central policy requirements to accelerate financing and liquidity to SMEs thereby supporting the local economy.

Objective Corporation Limited

Objective Corporation is an established leader and specialist provider of proven content, collaboration & process management solutions for the public sector. Our solutions empower public sector effectiveness, efficiency and transparency helping governments deliver better services to the community at a lower cost.

Objectivity Ltd

Objectivity are specialists in digital transformation. We deliver enterprise level solutions including application development, application configuration, web, mobile and back office. Innovative technologies including AI / Machine learning / cognitive services, RPA, chatbots, IoT, data analytics. With an agile approach, we deliver Microsoft and Java solutions following GDS guidelines.

OCF IT Security Ltd

Independent CESG Certified Cyber Security Consultancy specialising in public sector information security including PSN, G-Cloud, CESG Certified Information Security Professionals and ISO 27001.

OCF plc

OCF has 16 years of experience in delivering advanced computing systems, data management and data analytics solutions and services. With a strong focus and track record in cloud-based solutions and services, OCF has a broad base of public sector clients as well as many customers in the private sector.


OCLC is a global library cooperative that provides shared technology services, original research and community programs for its membership and the library community at large. With thousands of library members in more than 100 countries, we come together as OCLC to make information more accessible and more useful.


OCSL specialises in delivering better business outcomes by providing technology solutions built on world-class products and services. Our Managed Services provide a range of hosting and services from our own secure, resilient UK Data Centres built to exceed Tier 3 standards. We hold “OFFICIAL” status, N3 Aggregator & HSCN Supplier.

OD Consultancy Ltd

Provide secure file sharing solutions with a focus on simplicity and great customer support.

OfficeLabs Ltd

OfficeLab’s mission is to consistently manage information, wherever it exists across the enterprise with products and expertise for SharePoint, Office 365, and SAP. We help to maximize productivity and business process efficiency and minimize exposure to risk. We can implement solutions on-premises, in the cloud and in hybrid environments.


Information Technology Services; Strategy & Architecture, Build & Implementation; Support & Maintenance.


As global leaders in software quality engineering with 20years of experience specializing in QA and software testing. Our goal - to improve quality and ensure the success of IT projects. Our flexible solutions provide noticeable impact through the implementation of best practice methodologies and delivery models designed to ensure excellence.

OLM Systems

OLM is a technology company delivering user focused software solutions and technical services to Local Government in the Care environment

On Direct Business Services Limited

Increase your business productivity and growth with cloud IT. Cloud Direct will guide and manage your entire cloud journey to meet your security, compliance and performance needs. Since 2003, we’ve helped move 4,000 organisations to the cloud. We’re a direct, gold Microsoft cloud solutions provider (CSP) partner and ISO accredited.”

Onebyte IT

We are a forward thinking, flexible and experienced Managed IT Services Provider that believes the best client relationships are built on honesty, openness and dedication. We are a diligent, helpful and interested team and focus on using the best IT available to underpin our customer’s growth and success.

Oneserve Ltd

Oneserve's a fully integrated Field Service Management and Optimised Workforce Scheduling service delivering software to a range of industries/ businesses. You can design the customer experience you want to deliver, turn work into teamwork to get the job done, use analytics to make fact-based decisions on where/how to improve.


onezeero. is a specialist technology SME with around 30 full time staff and a pool of consultants specialising in legacy, digital and technology transformation. onezeero. cover cloud consultancy, development, design, infrastructure and project services helping the public sector evaluate the benefits of working with cloud solutions reducing time and cost.

OnGen Ltd

Backed by Scottish Enterprise and the Scottish Investment Bank, OnGen has developed the OnGen Expert, an onsite renewable energy feasibility assessment tool. Objective assessments are produced in minutes based on energy demand data and geophysical site information. Technologies include solar, wind, biomass, CHP and storage.

ONI plc

ONI plc is a leading provider of IT solutions and services to the Public Sector. With our own Tier 3+ Data Centre facility, we offer a unique blend of cloud, on-site and hybrid solutions. Our areas of expertise include; core infrastructure, storage, collaboration, networks, contact centre, data centre and security.

Opencast Software Europe Ltd

We consult, we execute. We fix broken projects and operating models. We design and build systems that don’t break. We move on-premises services to the cloud. We assist with managing and optimising enterprise software and systems, operating models and outsource agreements. Our reputation is built on a partnership approach.

OpenCell Limited

OpenCell is the first legal, indoor mobile signal solution provider in the UK. Influencer of International groups investing in the future of infrastructure connectivity and mobile networks, OpenCell’s managed signal solutions include all major operators, ensuring everyone indoors has access to their mobile network.

Open Credo Limited

OpenCredo is a high-end software consultancy; delivering software using leading edge technologies to gain competitive advantage. We invest in building internal knowledge that will change software development tomorrow. We build innovative solutions using a range of Cloud and NoSQL/Big Data technologies such as Cloud Foundry, Cassandra and Neo4J.


OpenDataSoft is a cloud-based turnkey platform for data publishing and sharing thanks to APIs, designed for business users, to allow for innovation to be easily built around data.

Openera Systems Ltd

Open Era Systems provides corporate real estate management, performance management and standardised operating processes for lean property portfolio management. We work with blue-chip organisations and government to improve the efficiency and operational performance of complex property portfolios by providing tools and processes that maximise potential.


OpenGov powers more effective and accountable government and is the leader in cloud-based solutions for government. The OpenGov Cloud™ provides easy-to-use, integrated solutions for Budgeting and Planning, Operational Performance, and Citizen Engagement.

Open Health Care UK Ltd

We promote health by making user-focused digital health services for healthcare professionals and patients We work closely with our customers and use modern agile and Open software development and management methods


OpenPlay provides booking software geared towards sports and community venues and activity providers. It also has an online marketplace which attracts over 90,000 monthly visitors looking to play sport and get active.

OpenText Corporation

OpenText is the leader in Enterprise Information Management (EIM). Our EIM products enable businesses to grow faster, lower operational costs, and reduce information governance and security risks by improving business insight, impact and process speed.

Optimum Contact Ltd

Provider of Patient Experience including Friends and Family Test, Quality & Safety, Audit and Outcomes. Meridian offers multiple channel options including online, paper, text and kiosks. Analytics, insights and reports are provided as standard and support easy triangulation of data. Meridian is a fully supported web based, hosted, real-time system.

Optumis Limited

Optumis specializes in developing Enterprise IT Systems and Service Management solutions in the Cloud. We have proven experience of delivering innovative solutions of exceptional value to organisations wishing to improve their IT processes. We assist customers during the planning, development, integration and implementation of Cloud based ITSM solutions.

Oracle America Inc

Dyn is a cloud-based Internet Performance company. We help companies monitor, control, and optimise online infrastructure for an exceptional end-user experience.

Oracle Corporation UK Limited

Oracle Corporation is a global IT supplier delivering software, systems and cloud services to public and private sector customers and our SaaS offerings cover a wide range of business functions. Oracle has invested in a UK datacenters to supply to G-Cloud customers; this facility is currently undergoing PSN accreditation.

Orchard Applications

Orchard Applications is a niche but highly experienced consultancy operating in the field of Oracle & Agresso ERP Cloud Services - Hosting, Management, Implementation, Testing, Training and Upgrade Services.

Orcuma Ltd

Supply, implementation, hosting, support and maintenance of our secure, cloud based FIRsT multi agency case management software. Services include all pre and post implementation services, full disaster recovery and data backup services. Bespoke software development provided.

Ordnance Survey

We are Britain's mapping agency. We make the most up-to-date and accurate maps of the country. But we're also a digital business, and we use our content and cloud solutions to help governments, companies and individuals be more effective both here and around the world


OCSL supports corporate and public sector clients with world-class IT products, solutions and services. Recognised with the highest accreditations from technology and software leaders, our data centres hold Government Official Status and full ISO accreditation. OCSL for On Premise, Managed Services and Cloud. A different view and a better answer.

Orion and Associates

Orion delivers enhanced business performance by providing innovative, commercially attractive cloud solutions, applications and services for Data Management and Business Intelligence. Activate the Data Quality Management for Profiling, Cleansing, Matching, De-duplication and Trust Scores or the Top-performing Business Intelligence solution for Dashboards, Analysis, Operational Performance and Decision Making.

Oritor Services

An IT Consulting and Delivery Organisation around VmWare networks and Contact Centre Solutions.

Otagem Consulting Limited

Otagem helps your organisation get the very best out of Office 365, as well as SharePoint 2013 and 2016. We provide specialist consulting services for O365 deployment, intranet configuration, data migration, information and records management, workflow configuration, as well as integration of third party applications.

Our Mobile Health

Our Mobile Health (OMH) specializes in identifying and assessing relevant Health and Medical apps and digital solutions. We enable healthcare organisations and local authorities to easily identify good healthcare apps, providing them with confidence to recommend, deploy and socially prescribe digital solutions to their community of patients, staff or public.

Outsource UK Ltd

Outsource UK specialises in providing talented Consultants for IT, Digital, Cyber, Engineering, defence and financial services sectors. We use our expertise to find the most successful solutions for our clients and Consultants, and are committed to building lasting relationships.

OutSystems Ltd

Based in Lisbon, Portugal and Atlanta, Georgia, OutSystems provides the enterprise Rapid Application Delivery (RAD) platform that over 400 enterprise organizations in 25 countries and 22 industries use to rapidly delivery and effortlessly change their mobile and web application portfolios.

OverStory Ltd

OverStory are a technology agnostic consultancy who specialise in modern semantic web connected data platforms, web delivery and intelligence led data analytics. By using appropriate techniques and technologies, OverStory helps clients realize value in their data. Our supplied systems are delivering content to millions of people every day.

Oxford Computer Consultants

Oxford Computer Consultants (OCC) is a leading, Oxford-based company with 50+ highly experienced software designers and IT consultants. Founded in 1989, we develop custom software in health, science and engineering, while our products are used to manage the delivery of social care.

Oxford Computer Group Limited

Powerful solutions for with identity and access management, enterprise mobility and security at their heart! Using Microsoft technologies, including; Enterprise Mobility & Security, Azure Active Directory Premium, Identity Manager, Intune and Azure Information Protection, we ensure all the moving parts work in sync to deliver efficient, secure, cost-effective solutions.

Oxford Consultants for Social Inclusion

Oxford Consultants for Social Inclusion (OCSI) is a leading data and research provider, working with several hundred public and community organisations to improve services. We turn complex administrative data into engaging stories, and make data, information and analysis accessible for communities and decision-makers.

oXya UK

oXya are an Hitachi Group company. OXya provide infrastructure, hosting and run management services (e.g. Basis) for SAP ERP customers and data lifecycle management (archive) services for SAP and other technologies (Archive as a Service). Migration and transition services to these services are also provided by oXya and our partners.

Oyster Information Management Solutions Limited

Oyster IMS is an independent information management and information governance company helping organisations to extract value from the growing amounts of information they generate, receive, store and manage. We provide strategic consulting, software, implementation and support services around unstructured information - electronic documents, emails, paper, voice - to global clients.