Suppliers starting with C

Certa Testing Limited

ICT Test Consultancy with public sector experience in healthcare and local government.

Certes Computing Limited

Certes is an experienced supplier of agile, digital and cloud skilled resources, supporting transformation. The approach to engaging Professional Services is changing, driven by IR35 and the need for flexible, scalable and agile services. Certes are innovating and supporting clients' adoption of transformation services through delivering "Capability as a Service".

Certus Advisory Ltd

Certus Advisory is an IT & Commercial Consulting firm with a fresh approach to professional services. We are an organisation that offers genuine insight, capability and value at every stage of the IT delivery and commercial lifecycle. We focus on solutions with contractually committed outcomes and apply proven technical expertise.

Cervus Defence and Security

We provide the frontline with competitive advantage through our rapid and data driven approach to innovation


Award-Winning, Multi-Cloud, Platinum Salesforce Partner

Cetus Solutions Limited

Cetus are cloud and workspace specialists with decades of experience helping organisations achieve business objectives through technology. IT should be an enabler for change; however, organisations are dealing with complexities rather than driving innovation As specialists, we reduce complexity, increase productivity and drive transformation by inspiring organisations to think differently

Cevitr Ltd

Cevitr offers Digital Workmates to organisations to take on mundane, repetitive tasks so that business users can focus on more productive activities. Digital Workmates are delivered using leading Robotic Process Automation and AI technology through the cloud. The services are delivered on a monthly subscription basis with Zero capital expenditure.

CFH Docmail Ltd

Provider of secure print, mail and online communication solutions.

CFMS Services Ltd

CFMS focusses on delivering digital engineering capability; from engineering platforms where you can share, collect and analyse data, deriving persistent operational requirements, simulating, predicting performance or automation of processes through to application of AI or Machine learning.

CG4 Solutions Inc.

Founded in 1999, CG4 Solutions Inc. (CG4 Asset Tracking) provides software to allow you to track your assets using barcode and RFID with smartphones, tablets, and integrated barcode scanners. CG4 integrates with ServiceNow, Cherwell, Micro Focus/HP, Oracle/PeopleSoft, and other systems. CG4 also offers a standalone asset tracking system.


Founded in 1976, CGI is a global IT and business process services provider with 72,500 professionals delivering high-quality business consulting, systems integration and managed services. CGI has an industry-leading track-record of delivering 95% of projects on-time and on-budget, aligning our teams with clients’ business strategies to achieve top-to-bottom line results.

Chakray UK Ltd

A digital transformation company specialising in consultancy, devops, migrations, integration development, training and support. Particular specialism and focus on WSO2, AWS, Talend, ESB, API management, identity solutions, serverless architecture and microservices.

Chambury Learning Solutions [Chambury Consulting Ltd]

We offer expert advice around the optimisation and roll-out of Learning Management, Performance Management and e-Portfolio systems. This includes the deployment of systems to your central team and training for your administrators & staff. Our systems support professional development, appraisal, compliance reporting and career development. Systems include Totara, Moodle, Mahara.

Change Associates Limited

Change Associates is an independent, specialist consultancy providing high quality experts. We provide digital transformation services - the process of implementing consistent processes, harnessing new technologies including changes in organisational structure. We provide effective deployment, project management, change management and communications in order for the transformation to succeed.

Change in Practice

Change in Practice offers on-demand access to expert business change advice and support. We provide flexible, pay-as-you-go packages and access to a network of highly experienced business change experts. We’ll help you deliver IT transformation, IT solution delivery, service management and transition, organisational change, cultural change and more.

Channel 3 Consulting

Specialist Public Sector Management Consultancy providing a range of services, including: - Strategic Consulting - Maximising the holistic benefits of digitisation - Procurement and Commercial Support - Resourcing and Professional Services

Charterhouse Voice & Data

Cloud specialist, IT and communications integrator enabling business transformation. Core pillars: Protect, Connect, Collaborate. Agile, dynamic organisation with strong financials operating since 1993 focused on delivering exceptional service. Connecting, empowering and transforming businesses, we develop long term, trusted partnerships with our customers and vendor partners.

Chase Management Services

Chase Management Services is a company born from years of engagement with hundreds of companies. We work with people improving, innovating or perhaps inventing ecosystems to govern and manage portfolios of projects and programmes. We identify, justify, define, deliver, support and sustain change through people, process, technology, organisation and governance.

Chaucer Consulting

We are experts in creating value from digital transformation and data to improve lives. Chaucer’s service offerings deliver an innovative approach to programme delivery and change management for technology and data-driven change. We are transformation experts, trusted advisors, change facilitators, digital partners.


User experience research and analysis platform which helps with setting up, conducting remote usability testing, AB testing, expert review and eventual analysis. Get videos of usability test sessions and is easy to make clips. Provide recruitment of custom research participants for user research. Add your own research participants.

Cherwell Software

Cherwell Software empowers organizations to transform their business through the rapid adoption and easy management of digital services. Cherwell’s adaptable platform has enabled organizations to modernize their business operations with customizable service management, automation, and reporting across the enterprise. Our solutions and our people build lasting relationships.

Chess Digital Limited

Chess Digital Ltd is a wholly owned company of Chess Limited. We operate out of five UK offices and we employ over five hundred people. Chess Digital is the professional services division of Chess and we focus on consultancy services and the delivery of integrated systems.


The oneTRANSPORT Data Marketplace is a growing ecosystem of connected public & private sector organisations that are sharing real-time data to enable Intelligent Mobility collaborative services. You can find out more about the oneTRANSPORT Data Marketplace at


Chorus are Microsoft cloud experts that help organisations adopt and benefit from cutting-edge Microsoft technologies across Azure, Microsoft 365, Dynamics 365 and SharePoint.

Chorus Intelligence Ltd

Chorus Analytics is the leading intelligence and analysis solution for governments, law enforcement, defense and homeland security. Chorus Analytics is a data cleansing tool for cleaning all types of digital data including phone records, handset downloads, cell site dumps and more. Wanting as Standalone or Network solution? Contact Chorus directly.

Cielo Technology Ltd

Cielo Technology is an approved Microsoft Partner and Cloud Solutions Provider offering cloud consulting, design & support services. Our associates offer industry-leading expertise on everything from greenfield cloud platform design, implementation and support, to application migration and development using the latest cloud technologies, services and best practices.

Cigniti Technologies (UK) Limited

Cigniti Technologies(UK) Limited is a 100% subsidiary of Cigniti Technologies Limited, Global Leaders in Independent Software Testing (IST) Services, has its HQ in London. 2300+ career testers spread across UK, US, India, Australia & Canada. Cigniti is world’s 1st IST Company appraised at CMMI-SVC v1.3, Maturity Level 5.


CiiVSOFT is a developer of cloud recruitment automation software and technology. Our solutions save time and money and improve recruitment productivity by automating key recruiting tasks. Our solutions can work independently or integrate easily with your existing systems.

Cinnamon Digital Applications Limited

UK technology company based in Milton Keynes in north Buckinghamshire. Provider of digital applications that transform the way you work. Our software will improve workflows and generate operational efficiencies. Specialists in: Web, windows and mobile applications, business intelligence, data warehouse, reporting, analytics, tableau, SQL

Cinos Communications Services

Cinos is an agile and innovative technology provider, working to change the way people meet, work, communicate and collaborate. Our services span five key areas; Unified Communications Video Collaboration Audio Visual Systems Contact Centre Enterprise Networking & Security We create solutions that deliver business outcomes for the UK public sector.

Cintra Corporation UK Ltd

Oracle Architects and Consulting Services


CIPHR is a leading UK provider of HR software as a service, delivering innovative systems designed to meet the needs of public and private sector organisations. Covering the employee lifecycle, CIPHR’s products comprise people management, payroll, absence, recruitment, onboarding, reporting and analytics. Accessible anytime, anywhere, delivered from UK-based data centres.


Ciptex delivers flexible Cloud Communication Solutions for public and private sector enterprise users, with services including telephony, digital contact centre and SD-WAN, from a secure, high-availability cloud platform.

Circle Interactive

Experts in Drupal and CiviCRM both separately and integrated. We supply audit services, consultancy, training and system customisation. We also provide ongoing software maintenance and support on fully managed hosted systems. Circle has supported public, private and third sector clients since 2005.


Cirdan is a leading provider of innovative software and imaging solutions that help to enhance and speed up the diagnosis of patients. Headquartered in N.Ireland with offices in Canada and Australia, its products are currently helping to streamline laboratory operations across six continents.


We deliver digital outcomes for Back-up & Recovery, secure Private Cloud, Managed O365, cybersecurity and secure SD-WAN multi-cloud gateway to Public Cloud and SaaS environments. Connected to PSN, HSCN, Janet and major ISP's. We optimise, protect and scale-out cloud solutions. Certified to ISO 9001, 27001, 14001 and 22301.


Cirrus provides innovative, scalable, cloud-based telephony and virtual contact centre solutions. Customers can securely access the very best contact centre and telephony tools using any web browser, from any location with an internet connection. Our solutions are technology agnostic and require no capital investment to deploy.

Cisco International Limited

Cisco is the worldwide leader in IT - transforming how people connect, communicate and collaborate. We help companies seize opportunities by proving that amazing things can happen when you connect the unconnected. Cisco has shaped the future of the Internet by creating unprecedented value for our customers.

Cisilion Limited

Formed in 2000 and with a reputation for excellence, we have a proven track record of successfully implementing IT solutions for our global clients. Cisilion’s award winning projects are complimented by our long standing and strategic relationships with some of the world’s leading technology partners including Cisco, Microsoft,

CiT Digital Limited

CiT Digital, authors of cloud based Digital Asset Management Software, iMediaFlowTM. 20 years’ experience and on-going development programs including collaborative research with Sheffield Hallam University. Centralise storage of all digital file types, including photo, video, audio. Customizable workflow and user access levels; includes Controlled Vocabulary, Faceted Search and Responsive Design.

Citi Logik Limited

Citi Logik provides insight into the way people move on foot, in a vehicle or by train. We have developed new ways of identifying and analysing demand activity, which we apply to complex spatial challenges in the sectors of Local and Central Government Transport, Intelligent Mobility and Smarter Cities.

Citipost Mail Limited

Citipost is a specialist provider of cloud-based, hybrid mail and SMS services. Intuitive cloud-based user interfaces, SFTP and API options deliver an all-round solution for all types of government applications. We’ve been particularly successful in delivering tangible cost and labour savings for local authorities.

City and Guilds Kineo Limited

Kineo are proud to be a part of the City & Guilds Group, delivering end-to-end solutions to support workplace learning in over 80 countries. We’re not just digital learning experts, we’re experts in how people learn. We initially created the Totara Learning Management System and the Adapt Authoring Tool.


At the heart of CIVIC's service offering is our user-centric design philosophy. This can be seen and expressed at every stage of the project, as we move from an understanding of your users, through User Experience, information architecture and design to feature development and website build and ISO27001 accredited hosting.

CivicActions, Inc.

CivicActions is a digital services firm building elegant and accessible government services for everyone. We are passionate civic designers and developers specializing in free and open source agile software development, user-centered design, security/compliance and open data. We lead the efforts behind Agile Government Leadership (AGL) and Project DKAN.

Civica UK Limited

Civica is a leading partner for the public sector and regulated markets around the world. We provide a wide range of business-critical software applications, digital solutions and business process services to help our customers deliver efficient high quality services and better outcomes.


CiviQ's provides a cloud-based consultation platforms and and innovative opinion analysis platform to governments and industry. We are the only provider focused on transparent and interactive consultations for citizens - enabling flexible reporting and dashboards during consultation. Our opinion insights drive new approaches to conflict avoidance and effective decision-making.

CJC Procurement Ltd

CJC Procurement provides G-Cloud Procurement Services enabling public sector organisations to source and access specialist digital and transformation procurement expertise, assisting or leading full sourcing, selection and contracting processes or simply advice and guidance on procurement strategy including supplier relationship management or assistance with software licence and maintenance renewal savings.


Clarasys Limited

Management consultancy with experience delivering discovery, alpha and beta projects to GDS standards in government departments. Agile coaching, business analysis, user research, service design, digital transformation, process improvement, user journey mapping, operating model design, project management, data governance, CRM, business change and training, with focus on improving customer experience.

Claritas Solutions Ltd

An agile, experienced cloud managed services provider with a proven record in meeting complex customer requirements in a secure and compliant manner for both public and private sector clients. Providing a mixture of cloud hosting services; high availability, secure and resilient. We have an in-house cloud software development capability.

Clarity Informatics Limited

An established provider of healthcare informatics, sharing portals and appraisal and revalidation solutions to the NHS and to health services worldwide. Clarity has been providing services for over 20 years.

Clarity Information Solutions

Clarity provides information management solutions that are configured to support client-specific requirements. Our solutions promote efficient working, deliver cost savings and increase information governance. We offer a suite of cloud-based appointment management solutions that are designed to support public authority functions, including NDORS course management, online booking and Bikeability provision.

Clarity Tech Ltd

At Clarity Tech, we manage, develop and deliver innovative Business Intelligence (BI), Analytics, Data Warehouse, Cloud Software, Cloud Hosting and Cloud Support solutions of the highest calibre, to serve the demands of organisations in the UK and beyond.

Clarity Workforce Technology Ltd

Clarity is a leading supplier of workforce technology solutions to the healthcare market. Our solutions provide key management data, improve efficiencies and deliver substantial savings across the entire workforce process. Our products include Clarityroster (e-rostering & scheduling tool), Claritystaffbank (staff bank management system) and Clarityagency (temporary staff/agency management system)


Clarizen is a recognized leader in Project and Portfolio management, bringing together cross-company project management, configurable workflow automation and purposeful collaboration in an enterprise-grade platform.


Enterprise document collaboration and management platform for creating and maintaining structured, smart and connected documents with granular workflow on documents' content.

clckwrk Ltd

clckwrk specialise in the deployment and migration of Enterprise software in the Cloud. Through the clckwrk digital marketplace services you can purchase all of the components needed to deploy and manage enterprise applications such as Oracle and SAP and Microsoft on the cloud.

ClearBox Consulting Limited

ClearBox Consulting specialises in the business challenges of the digital workplace: intranet strategy, SharePoint, Office 365, employee adoption, governance, and effective communication.

Clearbox Limited

Clearbox provides integrated software and support services for BIM-enabled projects. Our core product, BIMXtra, allows you to control all your project data in one CDE - combining documents, data and visualisation in one space, so you can manage and enhance it from the beginning of your project through to handover.

Clearcare Solutions Ltd. ( SaaS Provider)

Established provider of software to manage children's care homes. 60 UK customers. 15 years experience.

ClearPeople Ltd

ClearPeople are a Gold Certified Microsoft Partner offering cloud consultancy, technical consulting and support. We help clients to become more productive and achieve digital transformation through the use of cloud technologies. ClearPeople design, develop and implement intranets, websites, SharePoint, Sitecore and Microsoft Office365/Azure products also hosting secure infrastructures and platforms.

Clear Review

Performance Management software built specifically to help organisations move from broken annual appraisals to regular, meaningful performance conversations. Using an intuitive interface and the three foundations of performance improvement: regular check-ins, feedback, and SMART objectives - our digital framework delivers high user engagement, reports, and significantly reduced administrative pain.


Clearview Systems provides business management consultancy and supporting software. Including: • Strategy and business planning; • Performance measurement and management; • Data management and business intelligence; • Customer insight and engagement; • Risk and audit.

Clearvision CM

Clearvision is a leading UK headquartered Global Enterprise Atlassian Platinum Solution Partner. Specialising in Software Development Lifecycle (SDLC), Service Management & Collaboration solutions. With a long-term track-record of delivering best-of-breed solutions enabling Public Sector & Commercial organisation to achieve their goals we aim to become your trusted advisor.


ClerksWell is a London based digital agency with a global reach and over 15 years' experience offering a full range of online services: website design, digital marketing, strategic consultancy, creative design and technical solutions. We are experts in Intranets, Collaboration Strategies and digital solutions. Sitecore, Umbraco, SharePoint, Teams and more.

Clevermed Ltd

Established medical care records solutions service provider for the UK NHS. Specialising in Maternity, Neonatal, Paediatric ICU, Neonatal Transport, Adult ICU, and Neurological Referral services operated as Managed Service solutions over the N3 Network.

ClickView Ltd

ClickView is currently the world’s leading producer of educational video content for Primary School through to Higher Education. Cloud solution that provides hosting of content (repository), with features such as interactive question layers, supplementary resources, television recordings including BBC RES. A pedagogical tool for teaching and learning. is a web-based platform enabling healthcare professionals to provide telehealth services - from 111 to 999 services, from primary care to specialist hospital clinics. No App patient side App is required, the platform opens any mobile phone with a simple email / text. Artificial Intelligence can measure vital signs.


CLiX Unlock converts unstructured clinical data into actionable data required to help solve today’s toughest healthcare business problems in the areas of Clinical Trials, Population Health Management, Accountable Care, Risk Reduction, and Predictive Modeling.


Clinked is team collaboration, file sharing, document and project management software. It enables users to easily interact with both internal teams and external stakeholders; whereby they can manage projects, share and work on documents, organise and delegate tasks and events and communicate in a highly secure Cloud environment.

Cloud 21 Limited

Cloud21 is a health IT consultancy that provides expertise and support throughout all stages of digital transformation programmes from co-developing strategy, managing procurement to implementation. At all stages we aim to engineer an interoperable environment so we take a step closer to realising the vision of joined up systems.

Cloud2 Ltd

Cloud2 create radical industry solutions that solve business problems. We help customers solve these problems through the innate curiosity, enthusiasm and experience our people bring. As a leading Microsoft Gold partner, our innovation encompasses Analytics, Data and Digital Workplace, with focus on Power BI, Power Platform and Microsoft’s Azure cloud.

Cloudbooking enables optimisation of your workspace, lowers operational costs and encourages a collaborative and flexible working environment. We provide you with one simple solution for all your flexible space booking and management needs with continuous updates and client support included.

CloudBuy Plc

cloudBuy provides cloud-based solutions for buyers and sellers and brings them together to trade via a range of purchasing and eProcurement solutions and digital marketplaces. We also offer e-commerce solutions, digital citizen solutions and websites, intranets and extranets.

CloudCoCo Limited

CloudCoCo makes cloud transformation, consultancy, voice and connectivity simple, quick, secure and effective for government and health care organisations. Led by a team of Public sector specialists who transformed critical national applications such as the patient records and election systems

Cloud Cover IT Limited

AWARD-WINNING provision of IT services tailored to individual client requirements across the globe for over 20 years. Specialising in the development of unique SharePoint Digital Software solutions that integrate with Office 365, CCIT provide SIMPLE, RELIABLE, SECURE and BESPOKE systems that will grow with your business - *MICROSOFT GOLD PARTNER*

Cloud Dialogs

Cloud Dialogs is an innovative software company with deep expertise in four core areas; the Housing Repairs Market, Mobile Working, Dynamic Workforce Scheduling and the provision of advanced Cloud based Software as a Service. We channel that expertise through a complete Cloud based business solution called Service Connect.

Cloud Digital Limited

Cloud Digital automates the transfer of applications and data to Cloud whilst providing Control, Governance and Security enabling digital transformation to take place. We use a blended mix of process, technology and resource to work in partnership with you, utilising proprietary analytics to forecast and model licensing costs.

Cloudera, Inc.

Cloudera believes data can make what's impossible today, possible tomorrow. We empower Government, their organisations and people to digitally transform structured & unstructured data lakes into clear & actionable insights through the modern platform for Machine Learning, Data Science and Analytics, optimised for the Cloud.

Cloud Fish Ltd

Consultancy specialising in software development with SharePoint, K2 , Azure , O365 and other Microsoft technologies. Cloud Fish's aim to help their clients move to the cloud and digitally transform there business.

CloudFlare, Inc.

Cloudflare speeds up and protects millions of websites, APIs, SaaS services, and other properties connected to the Internet. Our Anycast technology enables our benefits to scale with every server we add to our growing footprint of data centers.

Cloud Fundamental Ltd

We are proud to be the first UK based cloud consultancy to successfully host secure government data in the public cloud. We focus on solutions that make business sense like reducing IT overheads, increasing flexibility and enhancing productivity. Our days are spent developing new solutions and migrating legacy workloads securely.

Cloud Gateway

Cloud Gateway is an innovative UK-based startup founded in early 2017. It is pioneering the Agile Network and has developed an award-winning hybrid cloud PaaS solution that provides businesses with both the mechanism and resource support to adopt, develop and operate cloud, hybrid cloud and multicloud environments.

CloudGen Ltd

We’re a London based technology consultancy firm with the development operations in Denizli, Turkey. We have a wide experience in Agile Software Development, DevOps and Cloud based application development.

Cloud Kickers

Cloud Kickers offers consultancy, electronics (IoT) engineering and web and app development services. Our Software Architects, Electronics Engineers and Creative Designers can help with: ERP, integration, cloud migration and software selection; electronic devices, from concept to mass production; company branding, websites and apps development.

Cloudline Ltd

Specialists in helping public sector organisations to understand and plan for the opportunities presented by cloud commodity services.