Suppliers starting with O


Successful change is built on fresh ideas and years of experience - we bring both to deliver results for our clients. Whether we are enabling organisations to harness the power of new technologies, creating exceptional customer and operational performance, or building truly dynamic businesses, we help clients embrace organisational agility.

Oasis Discovery Partners Ltd

Oasis procures, secures and maintains legal technology for legal teams, law firms and the vendors that support them. Our unique “platform” approach delivers a custom suite of software in a fully-managed private cloud - providing access to leading eDiscovery applications, in world-class data centers, for a predictable monthly fee.


We help people see data flow. Using our unique software technology, we create clarity by modelling the relationships and dependencies between Business and IT assets. You can see the “Big Picture” of how your business works. Obashi is the global language and universal approach to control, manage, and govern dataflow.

Objective Associates Limited

Providers of consultancy services related to Microsoft Azure, Amazon Web Services (AWS), Serverless Computing, SQL Performance Analysis, Sharepoint, Shopify, Magento, Amazon Marketplace, eBay Marketplace and DotNetNuke (DNN).

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 delivers enterprise-level cloud solutions including the transformation, migration, integration, and support of web, mobile, and back-office applications. We employ agile methodologies, using technologies including low-code, AI, machine learning, chatbots, IoT, and data analytics. We are a Microsoft Gold Partner and are Cyber Essentials Plus, ISO:27001 and ISO:9001 certified.

OBM IT Consultancy

Delivery of IT Service Management solutions including - Development of Service Management Frameworks , SIAM development , Service Management process and tool configuration and delivery , Target Operating Model , Service Management Maturity Reviews , Service Management consultancy and contract services , Project Management consultancy and contract services


Award-winning education technology company, developing digital solutions to improve learning and training for both employees and students. Our apps, web and education tech solutions are used by over 40,000 people worldwide to boost knowledge, change behaviours, enforce positive learning cycles and improve performance.


Occam delivers end-to-end telephony test automation and monitoring. ETS accelerates release cycles by allowing organisations to test throughout the development lifecycle releasing new contact centre solutions more efficiently and cost-effectively. Once operational ETS provides continually insight through real-time monitoring and alerting for the entire CX Infrastructure from carrier to agent.

Oceans Blue Limited

Award-winning Data Science company focussed exclusively on the NHS. We supply "A la carte" business intelligence, automation and predictive/classifier models to improve workforce effectiveness, patient safety, staff retention and compliance to policy.


Ocean Software designs, develops, and delivers Enterprise Software solutions for military, government, and corporate customers around the world. Ocean Software’s Operations and Training Management System, FlightPro®, is a comprehensive COTS product that provides clients the tools they need to ensure their Operations are optimised.


OCF is a specialist High Performance Computing (HPC), Storage and AI solutions and services provider offering professional services to design, deliver and support/manage research and technical computing solutions. Key specialisms include Linux, XCAT, Slurm, Ansible, Salt Stack, SpectrumScale, Lustre, BeeGFS, Object Storage, AI Frameworks, Data Science, Cloud, RedHat, IBM.


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.

OCS Consulting PLC

Staff based Systems and Information Technology provider. Flexible, responsive and commercially relevant Consultancy, Managed Services, Projects and Consultant Resourcing services. Legacy, current and leading edge technologies. Privately owned and established 1984 with offices in the UK, the Netherlands, Switzerland and Belgium. Personal, client-centric, results based and reputation (repeat business) driven.

Octavia Software

Established provider to the social housing/voluntary sector of effective software solutions and Apps operational on any platform. Our products are developed/designed using Microsoft tools and record all aspects of service monitoring, delivery and outcomes. Integration with other software saving time and money while providing evidence of compliance across services.

OD Consultancy Ltd

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

OfficeLabs Ltd

OfficeLabs’ mission is effective information management across the enterprise supplying products and expertise for Microsoft 365, including SharePoint, Power Platform, Gimmal and SAP. We help maximise productivity and business process efficiency and minimise exposure to risk. We develop and implement solutions on-premises, in the cloud and in hybrid environments.


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


Oka-Bi is an analytics company using robotic automation to rapidly deliver Microsoft SQL Server and Azure data platforms for our clients. On-premise, IaaS and PaaS options are available. Protects clients from GDPR breach using advanced pseudonymisation technology.

Okappy Connected Workforce Management

Okappy is a b2b connected workforce management platform. Connect to your employees AND subcontractors. Send work and see the status of thew work as its updated by your engineers out in the field. Increase transparency, save admin, reduce costs.

Oleeo Limited

Oleeo is an award-winning provider of innovative recruitment software for the public sector. Established in 1995, Oleeo uses intelligent automation and machine learning to help companies discover unlimited sourcing potential to attract, engage and hire amazing, diverse teams. We enable recruiters to hire faster and more efficiently than ever before.

Olive Jar Digital

The teams we provide to deliver a complete solution are highly skilled and boast vast amounts of government experience. Work is fully managed by us, from start to finish, and with the immense knowledge and experience our teams hold, it means we've many references of our great work to date.

Oliver Wyman

Oliver Wyman is a global leader in management consulting, combining deep industry knowledge with specialised expertise in strategy, operations, risk management and organisation transformation. Our capabilities include digital strategy acceleration, data science and engineering, CIO advisory and tech-enabled transformation, and technical delivery.

OLM Systems

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


Omilia offers Conversational AI solutions for a seamless human-like end-to-end conversational experience for customer care and self-service across all channels. Organisations can transform their call-centre into a next-generation digital experience.

Omkaar Systems Limited

Omkaar Systems has been delivering full cycle software development services to customers for more than a decade. Omkaar Systems are experts in Cloud-based or Resident Big Data/ NoSQL Solutions. We have nearly 14 years of experience in setting up data warehousing solutions for Government, Banking and Publishing clients.

OmniLedger Limited

We design, develop and integrate Pyramid Housing Management systems specifically for the social housing sector, including Rent Accounting, Property Repairs, Property Maintenance, Financial Accounting and Supporting People. OmniLedger focus's on delivering software technology to transform customer services and enhance business efficiency, whilst enriching the lives of tenants.


OMNiSCOPE- Speed to Intelligence, advanced Software platform for intelligence analysts, called Smarti3. Omniscope seamlessly integrates online web and mobile networks with full-access analytics, automated watchlists, case management, audit, alerting and fusion capabilities. Accelerated and enriched intelligence capability, identifying digital threats and threat actors across Surface web, deepnet and darknets.


Omron is the number 1 cardiologist recommended brand for blood pressure monitors. Our >50 years history in providing solutions to support management of cardiovascular disease make us uniquely placed to understand the needs of both doctors and patients.

OM Soft Solutions Limited

OM Soft Solutions is a Global Information Technology, Healthcare and Business Process Organization that pioneered in adoption of state of the art business practices that today enable companies to operate more efficiently and produce more value for such industries as Banking and Finance, Manufacturing and Services, Telecommunications, Utilities, Public Sector.

On Device Solutions Ltd.

Provider of Workforce Mobility and Mobile Asset Management products and services with specialist focus on SAP back-end.

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 over 4,000 organisations to the cloud. We’re a Microsoft Azure Expert MSP, Gold Partner and ISO accredited.


One Beyond creates and maintains powerful software applications for Business, Not-For-Profit and the Public Sector. The team specialises in Bespoke Software Development, Agile Teams and Digital Transformation. We combine business and process acumen with creativity and excellence to deliver the highest quality Digital Outcomes be it web, mobile or cloud.

One Big Circle Ltd

Specialists in Intelligent Digital Video using cloud-based technologies. We provide innovative end-to-end solutions which integrate effectively with incumbent technologies. Our IIoT Edge Device product (AIVR) enables smart video capture and ML on the move to enhance performance, operations and safety.

oneclick Platform UK Ltd.

oneclick Platform UK Ltd is a subsidiary of Swiss registered company oneclick AG. The privately held company has been trading in German speaking area of EU since 2015 and it has overall 25 employees with annual turnover of between £2 - 5m.

Onefile Ltd

OneFile supplies cloud based software into the vocational training sector primarily the post 16 sector - apprenticeships, traineeships, employability, BTECs and bespoke qualifications. Over 700 customers including FE colleges, training providers, universities and employers.

O'Neill Advanced Consulting

Professional services delivery partner specialising in PPM, PMO, Procurement and Portfolio Office. Our extensive experience, collaborative style and results-focused approach has supported government clients successfully implement improved PPM disciplines. Specialisms: Planning, Outcomes Based, Standards, Digital Identity, EUExit, Data Handling, GMPP, Governance, Assurance, Management Reporting, RAID, Training, Legacy disaggregation, Implementation, Transformation. (formerly known as Elgin) - one platform to plan, monitor, communicate and analyse traffic disruption. Using services on a daily basis, traffic management and roadworks professionals plan works, road closures and other disruptions more efficiently, reduce costs, and communicate live updates to road users, businesses and residents.


Grow your business and provide better care, anytime, anywhere, with our evolving NFC based domiciliary care management and rostering software. OnePlan removes hours of paper work allowing. We are extremely affordable allowing you to expend your business and the quality of care you and your clients deserve

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,

Oneserve Ltd

Empower your office team and their field based colleagues to constantly improve business efficiencies and deliver a compliant, customer focused service. Our highly intuitive Field Service Management software enables you to intelligently schedule resources, record job details, reorder parts and monitor performance, all in one cloud-based system.

Onestream Software LLC

OneStream Software provides a revolutionary CPM platform. OneStream XF Cloud unifies and simplifies financial consolidation, planning, reporting, analytics and financial data quality for sophisticated organisations.


We are tech, digital and transformation experts, the third largest IT recruitment business in the UK as recognised by the SIA. We have lived and breathed technology for over 40 years- we know what it takes to get our clients ahead of the curve when it comes to tech recruitment.

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 and geophysical information. Technologies include solar, wind, biomass, CHP, ground source heat, air source heat, solar thermal &storage.


Founded in 2006, Oni is a multi award winning and leader, Google Premier Partner and business technology specialist. We enable thousands of clients in over 50 countries with solutions used by over 250 million people. With offices in London, Sydney and Singapore we empower businesses with technology solutions everyday.

ONQU Holdings Limited

ONQU delivers Robotic Process Automation (RPA) using UiPath and OCR/ICR with ABBYY. As a G-Cloud 11 authorised reseller and Certified Partner of UiPath and ABBYY products users can be assured of our expertise including Security Cleared qualified personnel. Please visit to discuss your requirements.


State-of-the-art, two-way communication solutions ensure effective, reliable and documented alerts, responses and coordination. Messages are transmitted instantly to multiple devices, increasing the likelihood of quick actions. OnSolve provides efficient, reliable and cost-effective service with all of the tools and support required to effectively manage all of your critical communications.


Enabling our clients to deliver improved profitability,cost control,customer service,growth and stakeholder value. Achieved through a combination of greater efficiency in business processes and increased productivity across the organisation. With greater visibility and faster access to accurate data,clients have increased confidence in the reliability of information and make better,more informed decisions.

OpenCampus UK Limited

OpenCampus powers the first community driven open source campus management solution. It combines SIS, LMS and ERP features in a flexible and extendable framework solution based on Drupal and is used by thousands of users in Germany, Austria, Switzerland and the UK.

Opencast Software Europe Ltd

We provide solutions, via consultancy, an outsourced software engineering team, or by building customised software. We help clients manage and overcome the challenges they are facing and we help organisations transform their technical delivery via agile coaching, user centred design and the use of eXtreme Programming (XP) practices.


Opendium's online safety systems have been making schools safer since 2005. Sector leading filtering for your school - request a demo:

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

Open Medical Ltd

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


OpenPlay provides a booking and membership management system for sports, leisure and cultural facilities and activity providers. Its mission is to use innovation around the customer experience to get more people active.

Open Sky Data Systems

As Gov-Tech digital transformation specialists, we deliver superior, future-proofed citizen access. Our innovative customised solutions empower businesses to increase organisational efficiency, productivity and revenue optimisation. For 15 years, our outstanding delivery of Microsoft products has enabled millions of users, with user friendly access to transport, waste, housing and health systems.

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 are an independent vendor neutral organisation that provide technical (IT) consultancy managed services and solutions that make business technology transformation projects successful. Whether you need a partner to scope a project, build a proof of concept, design the architecture, handle the testing, or manage everything from start to finish.

Opinsta Ltd

Opinsta helps organisations to remove paper-based data capture, implement automation for workflows and simplify KPI analysis by combining their flexible SaaS platform with experienced in-house developers. The result is the delivery of tailored and scalable enterprise-grade systems with fast ROIs.


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.

Ops Noir

The consultant engineers of Ops Noir improve and help clients through Guided Builds. We augment existing teams and capabilities, even if those are very limited, to provide architecture and integration of new services, migration of existing services, and fully-automated pipelines to operate the services.

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 Systems Consultancy Ltd.

Optima Systems Consultancy provide independent Systems Engineering and Management Consultancy to the Defence, Aerospace, Communications and Information Systems, Transport and Utilities sectors.

Optimising IT Ltd

Optimising IT are a national Consultancy and Managed IT Service provider that major on Microsoft cloud including strategy, migration and support. We provide a full-service IT offering including; service desk, desktop support, infrastructure monitoring & support, cloud platforms and IT transformation & information security consultancy.

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.

Optum Health Solutions (UK) Ltd

Clinically-led and exclusively health and care focussed, Optum combines technology, data and expertise to improve the delivery, quality and efficiency of healthcare - delivering intelligent, integrated solutions that help modernise the health system and make it work better for everyone. We have been serving the NHS since 2002.

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.

Optus Homes

Supplier of SaaS tenant management solutions for the social housing sector -- from the smallest to the largest housing associations. Intuitive and powerful mobile app and portal solutions that offer Convenience for Tenants and Efficiency for Landlords.

Opus 2 International

The Opus 2 platform is a document management and electronic bundling tool, which has made paperless proceedings a reality and allows case teams to access, share and manage their documents and transcripts throughout the course of proceedings. It also encompasses our realtime transcription and integrated electronic presentation of evidence service.

Opus Telecoms

Opus is an established, trusted, privately owned communications company, proudly holding the highest partner accreditations from leading manufacturers such as Mitel, Cirrus, Gamma and 8×8 and successfully being awarded and retaining the most important UK and international standards for our industry around Quality, Cyber Security, Service and Environment.

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.


Digital Transformation can be a daunting initiative, leading staff to become worried about their place in the digital world. Oracleering works to amplify the human element, reflecting on productivity and customer service. With Project Management and technical experience, we aim to deliver quality service, managing scope, risk and schedule accordingly.


Orange Cyberdefense is the expert cybersecurity business unit of the Orange Group. We strive to protect freedom and build a safer digital society. We are a threat research and intelligence-driven security provider offering unparalleled access to current and emerging threats.

Orangeleaf Systems Ltd

Digital Heritage Consultants working within the Archives, Museums and Archaeology sectors.

Orbis Protect Ltd

Leading supplier of people protection and lone worker services


Orbitá — The information and knowledge centre for procurement, commissioning and contract management professionals.

Orbus Software

Orbus Software is the global, independent software provider of iServer, a fully customisable, Microsoft Visio-based solution that helps orchestrate enterprise transformation. With Orbus, organisations can easily understand how they operate, and successfully plan and execute strategic change. Recipients of the Gartner Peer Insights Customers’ Choice for Enterprise Architecture Tools 2017-2020.

Orchard House Solutions Limited

We work with established businesses to eliminate inefficiency in their systems, processes and operations using S4/HANA (S4), SAP Business ByDesign (BYD), SAP SuccessFactors (SF), and SAP Analytics Cloud (SAC). We can turn our client’s into a highly efficient and fully integrated digital organisations. SAP Gold Partner recommended for expertise.