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.

Office for Public Management (OPM)

We navigate complexity and controversy in the changing world of public services. We provide digital platforms for consultation and engagement, giving people a voice in the issues that affect them.

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.

Olive Jar Digital

We provide expert resources to compliment / enhance your teams. We bring in excellent talent that have been fully vetted and tested. We can provide full teams to deliver a complete solution fully managed, by us, from start to finish. We build VR/AR products and deliver various training packages.

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.”

One Plus One

Since our inception, 45 years ago, we have been researching relationships, what makes them work, why they break down, the impact they can have on children and the power of a good relationship. We have been delivering digital services for the last 10 years and specialise in behaviour change,

Onepoint Consulting Ltd

Established in 2005, Onepoint Consulting solution and enterprise architecture consultancy.We specialise in complex deadline driven data and digital transformation projects delivered both in the UK / worldwide. A Talend Systems Integrator and Authorised Reseller and Snowflake Partner we can provide software development life cycle (SDLC) based services.

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.

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.

ONQU Holdings Limited

ONQU Solutions provides Automated Testing and Robotic Process Automation (RPA) via the LEAPWORK product set and platform. As a G-Cloud 10 authorised reseller and Certified Partner of LEAPWORK. Please visit for further information and to discuss our Proof of Concept and LEAPWORK Mini Trial services


OPAL IT are a multi-platform IT provider, specialising in Apple device security and management.

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; building software using leading edge technologies to gain competitive advantage. We build innovative solutions using a range of Cloud and Data technologies such as Cassandra and Neo4J, together with strategic partnerships such as Hasicorp and Confluence.


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 Medical Ltd

Open Medical Ltd provides reliable, user-focused, clinical coordination software proven to optimise hospital efficiency and improve patient safety.

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.


We help organisations deliver measurable, sustainable benefits through capability management, either via 360 feedback or competency assessment. We provide software to define the competencies and capability that you need, assess employees' levels of competence and capability, develop them via targeted interventions and deliver measurable, sustainable results to improve performance.

Opsgility Limited

Opsgility are an enterprise training vendor focused on the Microsoft Cloud, with a deep speciality in Microsoft Azure. We offer the broadest and deepest range of training on Azure, from technical deep-dive to governance and cost management. We deliver on-site classes customised to your needs, complemented by on-line self-paced learning.

OpticoreIT Ltd

Opticore is an IT consultancy created to bridge a gap in the market between the major IT services providers and the contract market. We provide network consultancy, design, implementation and support associated project & programme management services. Our current client portfolio consists of medium/large corporates across a number of sectors.

Optima Diagnostics Ltd

Optima develops, maintains and hosts its OSHENS software application. OSHENS is a health and safety management platform that assists organisations of all sizes with an array of tasks including accident reporting and investigation, risk assessment, audit, inspection and corrective/preventive action planning.

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.

Optisource Technology Solutions Limited

Optisource have considerable experience providing solution and support in delivering digital projects.In today’s rapidly evolving technology environment building for the future means taking bold chances and making insightful decisions when it comes to Software. We are ready to work with you to ensure a high standard of quality is maintained.

Opus 2 International

Opus 2 Magnum, a document management and electronic bundling tool, has made paperless trials a reality and allows lawyers to access, share and manage their documents and transcripts throughout the course of proceedings. It also encompasses our state-of-the-art transcription technology, Magnum Realtime, and integrated electronic presentation and evidence display service.

Opus Telecoms

Opus is an independent privately owned communications company providing Managed Unified Communication solutions, including; Mitel, Gamma and 8x8 Cloud Telephony Services, Unified Communications as a Service (UCaaS), Infrastructure as a Service (IaaS) and support. Founded in 1992 Opus currently supports over 1,500 Public & Private Sector organisations nationwide.

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.

Orbis Protect Ltd

Leading supplier of people protection and lone worker services

Orbus Software

Orbus Software develop a range of robust software solutions for Enterprise Architecture, Business Process Analysis, IT Governance, Risk and Compliance, IT Service Management, IT Portfolio Management, and ERP Management. Headquartered in London, and founded in 2004, Orbus Software has customers spanning all verticals sectors; including government and local governments.

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 Health Limited

Orion Health is a global leader in clinical information access and interfacing technologies. Specialising in health IT, Orion Health provides innovative software that integrates and enhances point of care systems, improving efficiency, clinical decision-making, patient safety, quality of care and ultimately patient outcomes.

Oritor Services

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


ORM is a digital consultancy: we help you create and own your digital future. We help define a digital roadmap for change, and support the delivery of new products and services using content, experience design, connected technology and data.

Orpheus Cyber

Orpheus is a specialist cyber threat intelligence company. We are CREST STAR and GBEST accredited and have been selected by the Financial Conduct Authority on its Skilled Person Panel as well as by the Bank of England for its CBEST framework. We also provide intelligence subscription and other services.

Osmii Ltd

Osmii recruits Freelance technology professionals in the marketing cloud, HCM and development space across the UK. We specialise in rapid deployment of Certified Technical Specialists with a particular focus on: Adobe Marketing Cloud Front End Developers / Web Developers (React, Angular, Vue, Node.JS) HCM (Workday, Oracle, SAP, Salesforce)

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) specialises 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.

OutThink ltd

OutThink provides an innovative security awareness solution. The OutThink next-generation social platform (cloud - SaaS) has been developed specifically to identify and reduce risky workforce behaviors. We combine customisable assessments, interactive web-based training and cutting-edge administrative capabilities.

Oxehealth Limited

Oxehealth is an assistant for when you can't be there.We give carers and custodians more time for hands on care where and when it’s needed most. Our solutions generate the alerts and reports users need, seamlessly slotting into existing workflows.We work with police, prison, mental health & care home customers.

Oxford Applied Training

Quality eLearning Courses - Bespoke eLearning Authoring - Learning Management Systems - Moodle Integrators - LMS Evaluation and Consultancy - Off The Shelf Courses - CMI Accredited Management Courses - Apprenticeship Providers

Oxford Computer Consultants

Oxford Computer Consultants (OCC) is a leading, Oxford-based company with 100+ 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.

Oxinet Ltd

Oxinet is an internet services consultancy which specialises in web application development and placement management systems which work across complex business environments. We work with public and private sector organisations to support efficiency and communication through the provision of innovative digital solutions.

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.