Suppliers starting with O


The Oakland Group are a data consultancy with over 35 years’ experience in providing transformational data projects to enable UK’s largest companies to solve real-world, difficult problems. Our delivery spans over four areas: Data Strategy and Governance, Data Engineering and Cloud, Data Analytics, and Operational Improvement.

Oaklin Limited

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.

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

Using Objective software, thousands of public sector organisations and regulated industries are shifting to being completely digital; where our customers can work from anywhere with access to information, governance guaranteed, and security assured. We invest significantly in ongoing development to deliver outstanding solutions which drive stronger national and community outcomes.

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.

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.

OCG Software Limited

Supplier Management Software as a Service

Ocient Inc.

Ocient delivers hyperscale data solutions for modern enterprises that derive value from rapid, continuous analysis of trillions of data records. With Ocient, organizations gain insights in “interactive time” – seconds not hours or days – via accelerated solutions that enable the deployment of new products, services, and revenue streams.


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.

Ocucon Ltd

We are an award-winning technology company developing innovative customer and market-driven software solutions to mitigate risk for organisations that engage with customers on their premises.


#1 Enterprise Data Platform for Salesforce. Global industry leaders use Odaseva to build a stronger Salesforce data value chain.

OD Consultancy Ltd

We 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 Teams, 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.


Oksidia Oy is a Finnish Ed-Tech company and provides a cloud-based (SaaS) Music Hub Administration & Management system called Eepos.

OKTik Technology Limited

Customer focused strategic cloud transformation & engineering consultancy. Reliable, flexible partner with functional know-how. Our SME resources have in-depth expertise to manage projects in-line with your objectives and challenges. Our transformation framework has delivered success across several global enterprises and a number of public sector bodies.

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 extensive knowledge and experience our teams hold, it means we've many references of our great work to date.

Oliver Bernard

Specialising in modern Software Engineering, Infrastructure, Cloud, QA, Delivery and Transformation with a focus on promoting collaborative Agile and DevOps cultures.

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.

Omniplex Learning

Omniplex Learning offers a complete eLearning solution, making the L&D journey seamless by providing easy access to digital learning tools and services in one place. Alongside in-house design and content services, expert training and digital adoption solutions, Omniplex Learning is the trusted partner for global brands Articulate, Docebo, and Vyond.


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.


Provider of independent Software Testing and quality assurance, Functional, System, System Integration and User Acceptance Testing Services (UAT). Testing management and coordination. SAP S4 Hanna configuration consultancy.

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.


DCSL 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.


Onecom is a supplier of managed customer solutions in the technology and communications arena. We provide mobile, digital and IP solutions, hosted, local, or in the cloud. We help organisation transform from legacy solutions through hybrid environments to fully digital and cloud based deployments, always with a consultative approach.


One Consulting provides ICT and Transformation consultancy to the public sector. Our services span the whole ICT delivery lifecycle and we provide experts across the areas of infrastructure, telephony and contact centre, applications, services, governance, project management, BPR and support, ensuring our clients have access to expert knowledge and advice.

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. - 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


OnePlanet create software solutions that enable any organisation and business to create visually stimulating and instantly engaging plans that are shared, sustainable and transparent. OnePlanet’s platform means all stakeholders can be involved in any project or product development helping plans to be approved and implemented with increased speed and support.

One Plus One

Since our inception, 50 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 is a solution and enterprise architecture consultancy.We specialise in complex deadline driven data and digital transformation projects delivered both in the UK / worldwide. We have extensive experience of solving data management challenges using a variety of methods, architectures and open source based solutions.

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 Cloud unifies and simplifies financial consolidation, planning, reporting, analytics and financial data quality for sophisticated organisations.


OneTouch Health is a multi-functional platform allowing care providers to manage every aspect of their clients needs through sharing relevant information with key people involved in the care delivery. Care providers can manage a range of topics such as Care Planning, eMAR, Time/Attendance, Payroll/Invoicing, HR and more.

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.


OES provides learning design and production services to help clients create high-quality, learner-centric online courses. Our expertise in online pedagogy, learning design and education technology ensures a central focus on learner success, maximising platform capability and applying rigorous QA frameworks to deliver excellent learning experiences in the digital environment.

ONQU Holdings Limited

ONQU delivers Robotic Process Automation (RPA) using UiPath and Cloud Database Migration Software using 1Place1Cloud for migrating Oracle, MySQL and SQL Server to Private/Public Clouds such as Amazon AWS and Azure. As a G-Cloud 12 authorised reseller and Certified Partner of UiPath and 1Place1Cloud Software ONQU delivers Cloud Automation.


With over two billion notifications sent annually and over 20 years of experience, OnSolve delivers critical event management solutions via risk intelligence, critical communications and incident management. Backed by our unmatched industry expertise, customers can keep people informed, instill confidence, mitigate disruptions, improve operational outcomes, protect assets and save lives.

Onsystem Logic, LLC

High assurance application hardening for endpoints.

Opencast Software Europe Ltd

We are a rapidly growing technology consultancy providing the full range of DDaT roles UK-wide, with extensive experience working across government. Our approach is user-centred, agile and iterative, technology-agnostic and outcomes focused. We are highly collaborative, bringing best practice technologies, tools and processes to our clients to build lasting capabilities.


Open Intelligent Technology Limited (OpenIT) offers easy to-plugin modules and secure technology for banks and organisations to publish secure Financial APIs and build applications that leverage Open Banking. Our technology removes the complexity around multi-geography regulatory Open Banking APIs and extends capabilities to Embedded Finance, and broader Panoramic Banking.

Open Medical Ltd

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

Open Sky Data Systems

As Gov-Tech digital transformation specialists OpenSky delivers superior, future-proofed citizen access. Our innovative customised solutions empower businesses to increase organisational efficiency, productivity and revenue optimisation. For 18 years our outstanding delivery of Microsoft products has enabled millions of users to have 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.

Optimised Solution

Providing Digital Transformation Services for Health and Social Care, with a commitment to working closely with our partners towards the realisation of their digital strategies. Proven track record in the delivery and implementation of innovative solutions, including analysis of issues being experienced and design of bespoke systems to resolve them.

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.

Optimizely AB

Optimizely empowers marketers and merchandisers to create digital experiences that put customers first. Our Customer-Centric Digital Experience Platform™ includes best-in-class content management, commerce, data and personalization tools that enable organizations to develop greater customer lifetime value, grow brand affinity and increase revenue.

Optum Health Solutions (UK) Ltd

Optum® is a leading health services and innovation company dedicated to helping make the health system work better for everyone. Optum combines technology, data and expertise to improve the delivery, quality and efficiency of healthcare and has been in the UK healthcare arena since 2002.

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

Opus 2 provides secure, cloud-based legal technology and services to connect people, case information and conduct hassle-free hearings. The Opus 2 Hearings Solution helps teams deliver seamless proceedings, from preparation to conclusion, integrating the electronic bundle with Realtime (live feed) transcription and the electronic presentation of evidence (EPE).

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.

Orbis Protect Ltd

Leading supplier of people protection and lone worker services


Orbitá provides data, information and analytical services to procurement, commissioning, and contract management professionals. Our data warehouse offers self-service spend and supplier data and Orbitá Plus provides access to our collaborative market intelligence platform, GHG emission and social value benefit tracking, cost modelling, benchmarking, compliance monitoring and training services.

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 eliminate inefficiency in systems, processes and operations by implementing S4/HANA (S4), SAP Business ByDesign (BYD), SAP SuccessFactors (SF), SAP Analytics Cloud (SAC), CONNECTED Integration, BambooHR, MuleSoft Development, Hubspot, Field Service Management (FSM). All supported come by our cast-iron guarantee Success Assurance. OHS is an SAP Gold-Partner recommended for expertise.

Orcuma Ltd

Multi-agency case management safer communities software. Supporting victims and vulnerable people across Councils, Police, Fire and Rescue Services, Restorative Justice providers, Victim support providers, Domestic Abuse teams and Community safety teams. Supply, implementation, hosting and support/maintenance. Pre and post implementation services, full disaster recovery and data backup service.

O'Reilly Media, Inc.

The O'Reilly learning platform is an online learning solution that provides access to digitized books, videos, and related media to support your employees in performing job tasks and with learning needs. Access is provided via the internet and it is based on a subscription agreement.


Orgvue is the leading organisational planning and design software platform. Founded in 2008, headquartered in London, previously known as Concentra, Orgvue is used by UK public sector and world’s best-known enterprises and consultancies to take control of their organisations and get the right people doing right work at right cost.

Orion Health Ltd

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.


Orlo provides one platform to manage reputation and improve customer experience. From Customer Service to Marketing and Comms, hundreds of public sector organisations, including almost 1/2 of UK constabularies, 30% of local councils and many central government organisations, rely on us to manage and measure engagement across digital channels.

Orovia Group Ltd

We have specialised in the education sector for over a decade and provide payroll, HR and budget planning software. We support over 4000 schools and academies nationally. Our understanding and supportive approach to our customers’ needs has resulted in a client retention rate of over 97%.

Orpheus Cyber

Orpheus' award-winning platform is designed to provide cyber risk management of organisation's attack surface and of its third parties coupled with threat-led risk based vulnerability management. We also provide highly rated GBEST, CBEST, TBEST Threat Intelligence testing through our skilled and accredited threat intelligence professionals.

OrthoGraph Számítástechnikai Fejlesztő Korlátolt Felelősségű Társaság

OrthoGraph, the Operational BIM ecosystem is tailor made for Facility and Maintenance Management. With this powerful SaaS you can digitize building data straight to BIM with simple and rugged tools. Add graphical asset inventory to further boost your Digital Twin with barcodes, photos, panoramas, videos.

Ortivus UK Ltd

With more than 30 years of experience in cardiology and medical technology, Ortivus are today one of the market leaders in e-health.


Ortom8 provide cloud-based Workload Automation Managed Services to schedule, control and monitor workflows without compromising quality, delivery or security. We can manage your existing Control-M platform, or migrate your legacy workload automation product onto an enterprise-scale, SaaS, solution to deliver on-demand workload management that flexes to your changing business needs.

Ortus Solutions limited

Ortus-iHealth’s Virtual Ward platform enables the digitisation of outpatient care pathways. Through one unified solution, healthcare professionals can deliver personalised and remote care, using digital consent tools, remote patient monitoring, and vitals measuring software. Remote consultations can be completed via audio, video, or asynchronous support, empowering and enabling patients.


OryxAlign are a well-established and successful managed IT services provider (MSP) We design and enable the procurement, implementation and management of modern technologies through earned and trusted partnership with our clients. Our IT support, infrastructure management and cybersecurity services are delivered 24x7x365 by committed, certified and personable global delivery teams.


Highly performant and secure cloud services to accelerate productivity, optimise IT, and maximise return on investment.


OSO helps teams to adopt emerging technologies and solutions to boost their competitiveness, and operational excellence and introduce meaningful innovations that drive real business growth. Our developer-first culture, combined with our cross-industry experience and battle-tested delivery methods allow us to deliver the most impactful solutions for your business.

Ostara Systems Ltd

Ostara Systems Ltd is one of the UK’s leading providers in the CAFM sector. Established over 15 years ago by an experienced team of facilities management and software professionals, the Ostara CAFM Solution continues to be developed and is hosted in the UK, and is now used in 13 countries.