Suppliers starting with C

Cloud On Air Limited

Cloud Technology can have a remarkable impact on how enterprise think, move and grow. We focus on start-ups, SME and large scale enterprises. We are a one stop shop for all your cloud needs from Cloud Consulting, DC Colo, Cloud Migration, DevOps, Email Migration, DRaaS, BRaaS, Cloud Security, Professional Services

Cloudreach Europe Limited

Our mission is to enable intelligent and innovative cloud adoption by providing capabilities to enable, integrate and operate cloud platforms. A global cloud enabler, Cloudreach partners closely with Amazon Web Services, Microsoft and Google. Cloudreach is part of the Blackstone Portfolio, with 10 offices across EMEA and North America.


Formed in 2016, Cloudreason is a consultancy working with businesses who want to get the best from delivering their IT systems on Cloud hosted services. We work with you to help understand your business requirements, Cloud strategy, develop the right supplier relationships, and then manage those relationships.

Cloudsource Technologies

Cloudsource was born of a desire to be different by providing best advice and best practice solutions by actually listening to the customer. As a business we pride ourselves on listening to our customers and designing solutions that will fit their needs, and not our own.

Cloudstream Global Limited

CloudStream is an innovative and diverse global services provider, focused on supporting and transforming technology development, talent and operations. Our services and engagement models are specifically designed to assist our customers as we navigate the disruptive changes brought on by new patterns of consumption, production and employment.

Cloud Technology 4 Business (CT4)

CT4 is recognised internationally as a leading provider of cloud services. Delivering IaaS, DaaS, DRaaS in public and private cloud environments in Europe, USA, Asia, Australia and New Zealand. We manage and control IT infrastructure, driving down costs and reducing CAPEX for organisations in government, manufacturing, health and education sectors.

Cloud Technology Solutions Ltd

At Cloud Technology Solutions (CTS) we design, develop and deliver business transformation through the power of the cloud, driving collaboration and empowering teams to achieve operational efficiency and commercial growth. CTS are the UK’s leading Google Cloud Premier Partner, expertly migrating businesses to G Suite, GCP and Chrome.

Cloudten Industries

Cloudten are experts in the design and delivery of AWS solutions for government clients. Our AWS-certified staff are specialists in all aspects of cloud architecture and DevOps techniques, with emphasis on security, application integration and related technologies. Cloudten is ISO 27001 certified, and has attained the AWS Government Competency.

cloudThing Limited

cloudThing is a specialist cloud software development and cloud platform deployment company. Our user experience led design methodology exploits cutting-edge agile tools and methods. We specialise in developing 'Born in Cloud Applications' and Microsoft Dynamics 365 solutions, that cut development time & operating costs for our Public Sector clients.


CloudTrade is one of the fastest growing e-invoice networks and built firmly on the premise that e-invoicing should be free for suppliers, easy-to-use and non-disruptive – only then will suppliers move away from paper. CloudTrade removes more paper in a shorter time frame than any other e-invoicing approach - guaranteed.

Cludo UK Ltd.

Cludo is an intelligent, cloud-based site search solution. We are platform agnostic, and our customizable algorithm and intuitive dashboard together make for a web and marketing tool designed to give your site visitors a more impactful and guided search experience.

Clue Computing Company

A single application to manage investigations – encompassing referral, incident, risk, intelligence, investigation, case and outcome management. Comprehensive reporting, searching and data analytics across the application, to help uncover actionable intelligence in data, with real time access anywhere on any device. Trusted by the world’s leading intelligence and investigation teams

Clued Up Ltd

Clued Up provide user-led research for digital optimisation

CMC Partnership (UK) Ltd

CMC’s advisory and delivery support services provide structured, people-focused approaches to optimise business outcomes and return on investment for cloud-based and digital public sector transformations. We integrate proven P3M methods (e.g. Agile/PRINCE2/MSP), Business Analysis and Prosci® Change Management tools and techniques to effectively manage both technical and people change.

CM Telecom

CM Telecom - is one mobile platform for messaging, payments, apps and voice in the heart of the mobile ecosystem. We provide mobile solutions, easily accessible through web browsers and mobile applications that clients use to increase engagement.

CODA Technology Services

CODA Technology Services provide a range of outcome based Cloud and Digital technology services. We work with a number of FTSE 250 organisations supporting their digital change and transformation programmes, whilst also providing specialist expertise and leadership within emerging technology areas.


Codec is focused on implementing and supporting Microsoft and Oracle solutions for public sector customers. We provide a range of professional services to our customers including design, customisation, integration, implementation, support and maintenance of their solutions. We focus on key sectors: Central Government, Local Government, Government Agencies and Higher Education

Code Computerlove Ltd

We are a Product Agency, working with global businesses to build their digital products, services and capabilities. We blend the principles of design thinking with modern engineering to imagine and deliver world-class customer experiences and business systems. We use lean methods to keep our work customer-focused and engineered to high-quality.

Code Digital Services

Code Digital Service work with your Stakeholders and Business teams, understanding your needs, priorities, and process flows in order to build engagement and deliver a best in class final product. Our services span the full project life-cycle, from strategy, business case creation and procurement, data migration and integration.

Code Enigma Limited

Founded in 2010, Code Enigma is a specialist full service Drupal agency, providing consultancy services, project management, development services, responsive design, Drupal application support, cloud hosting, training, server management and specialist audits. All of our services are supplied by our internal team and are ISO 9001 and ISO 27001 certified.

Codeherent Ltd

Having developed it's proprietary technology in partnership with a large FTSE 100 company, Codeherent’s solutions enable companies to build and deploy applications faster and cheaper by increasing collaboration between IT teams and facilitating efficient management of resources.

Code IT Recruitment Ltd

Code iT work collaboratively with your Stakeholders and Business teams, understanding your needs, priorities, and process flows in order to build engagement and deliver best in class final product. Our services span the full project life-cycle, through Strategy, Business case creation, Programme/Project Management, Business Analysis, data migration, development and delivery.

Code Red Consultancy Practice Ltd works to make your IT effective and enable your business to go faster via DevOps, lean organisation and adoption of cloud services. improves your IT environment whichever platform it’s on. We also provide incident analysis and remediation to reduce risk, improve availability and time to implement change.

Codification Ltd

Codification are specialists in federated-cloud strategy and implementation. Hardened Kubernetes distributions to securely accelerate delivery and reduce costs.

Codit Integration Ltd.

Codit is a leading IT services company providing consultancy, technology and managed services in business integration. We successfully help companies reduce operational costs, improve efficiency and enhance control by enabling people and applications to integrate more efficiently. Codit employs over 160 staff in 7 EMEA locations

Coeus Consulting

Coeus Consulting is an independent IT management consultancy providing both advisory and consultancy services. We specialise in the areas of IT strategy, sourcing, technology, transformation and optimisation.

Coeus Software Ltd

COTS software designed for mobile workforces that need to use or collect auditable data. Making organisations more efficient, accountable, and profitable by bringing together tasking, data collection, workflows, real-time dashboards, and access to corporate data. Works on multiple Operating Systems using open system connector technology to integrate with back-end systems.

Coffee Cup Solutions

IT support, Virtual desktop infrastructure, Citrix specialists

Cogeco Peer 1 (UK) Limited

Cogeco Peer 1 has grown into one of the world's leading hosting providers providing award winning Managed Hosting, Dedicated Hosting, Colocation, Cloud Hosting and Network Services. Everything we do is backed by our FirstCall Promise needing to only ask once and our staff won't rest until your issue is resolved

CogniSoft Limited

CogniSoft is an industry specialist software company. The company was first established in 1984 and we specialise in web based information systems for Learning & Skills, Welfare to Work and Youth Support services. Our Learner Management Systems help manage work providers workload and evidence the impact of their work.

Cognita Projects

With our outcome-based solutions, and teams of SME's, we solve your complex business and technology problems and keep your project on track. Our experts help you manage change. From tactical solutions to larger scale projects, we help you get the outcome you need, giving you control and peace of mind.

Cognizant Technology Solutions UK Limited

Cognizant is a leading professional services company, transforming clients' business, operating and technology models for the digital-era. Consistently positioned as thought-leaders, our industry-based, consultative approach helps clients build and run more innovative and efficient operations. We are committed to equal opportunities, diversity, supporting our communities and developing a sustainable future.


We are a consultancy that provides research-led services to organisations wanting to develop digital products and services to improve their customer and user experience.

Cohaesus Projects Limited

We transform experiences through, insight, innovation, and technology. We help our clients develop strategy, design experience, build software teams and then continuously improve their portfolio of digital products, tools and services. Whilst software is eating the world, we believe it’s only doing so through exceptional experiences.

Cohesive Networks

Cohesive Networks provide security solutions for public and private clouds to meet the needs of the NIST Cybersecurity Framework, Governments, PCI, HIPPA, etc, and other more general cloud connectivity.

Coleman & Pearse

InfoNation (incorporated as Coleman & Pearse Ltd) is a provider of Data as a Service business solutions. Supported by a small but growing team of data and domain computer scientists we provide a range of data and analytics based services via a cloud platform and a commercial subscription model.

ColIective Intelligence Sytems

A Software Developer providing Student Attendance Management Systems for the HE and FE market place. Device agnostic we can provide the most cost effective solution that fits your particular organisation.


Collabco are an EdTech development company based in Liverpool building myday for the Education marketplace.

Collaborative Solutions Europe Limited

Collaborative Solutions is a full service Finance and HR transformation consultancy boasting 100% deployment success and a 98% customer satisfaction rate. We have successfully deployed Workday Financials and HCM for more than 450 global Fortune 500 companies, medium-sized businesses, and education and government institutions in more than 125 countries.

Collins Technology Consulting Ltd.

Agiloft Platinum Partner (UK and Europe) Project Management, Change Management, Systems Design and Migration. Experience in Further Education, Local and Central Government, e-Commerce, Media and Manufacturing sectors.

Columbus Global UK Ltd

Columbus is an award winning International IT supplier delivering Microsoft Dynamics 365 ERP software, SaaS, cloud, consultancy and support services to cross-industry customers. Our offerings cover a wide range of business functions. In the UK we serve our customers from our Nottingham, Warrington and Cambridge offices.

Comaea | Competency Made Easy

Comaea provides a cloud-based solution to empower, inform and grow your organisation through competence management, certification tracking and more. We help you with competency libraries, performance management, gap analysis, role profiling, people analytics. We provide the tools for you make informed decisions about your capabilities.

Combined Knowledge Ltd

Combined Knowledge boosts business productivity for companies around the world by creating fluent, confident and self-supporting users of Office 365, SharePoint, Azure and Hybrid environments – we’re proud to have helped over 500,000 people in this way already, and that number is growing every day.

Comma Group

Comma are an MDM and PIM Consultancy dedicated to delivering high quality data solutions. We are not just another system integrator but instead a strategic partner invested in delivering solutions that align to your business objectives, allowing technology to be the enabler.

Commendium Ltd

Commendium is an ICT Services supplier specialising in standard Microsoft services and 3D Imagery and processing.

Commerce Decisions Limited

Commerce Decisions delivers its proven AWARD eEvaluation solution, best practice knowledge and expert services to assist in strategic, complex, or high risk sourcing projects. AWARD has been used on projects totaling over £250 billion; proven to significantly increase contract value, reduce risk and enabling teams to make major contract decisions.

Commercial Cloud Services

Commercial Cloud Services provides commercial delivery and consultancy services for enterprise. We specialise in 'right sourcing', assisting organisations to determine the best balance between outsourced and retained ICT services and delivering the resultant contracts through procurement or negotiation to support customers seeking to disaggregate contracts or make contract break-point decisions


Expert, independent and business supportive information and cyber security consultancy, penetration testing & IT Health Check services, cybersecurity managed services and cyber incident response. Cybersecurity requirements are always increasing and real terms budgets are shrinking, Let Commissum help you drive down risk and costs with a pragmatic and proportionate approach.

Commonplace Digital Ltd.

Commonplace is a leading provider of online public engagement tools. Our platform is extremely easy to use and provides our clients (local authorities, infrastructure providers, developers and consultants) with powerful insights. Commonplace engagement supports different stages in local development - from needs analysis through to presenting design options for feedback.

CommonTime Ltd

CommonTime are a market leader in cross platform digital solutions and work with major organisations to deliver practical innovations that meet today’s commercial and public sector challenges. This is done by: The CommonTime Infinity low-code enterprise application development platform and the Development Services team providing expert consultancy & app development

Commonwealth Informatics, Inc.

Commonwealth Informatics has a proven track record working with government agencies, academic departments, non-governmental organizations, and industry to implement reliable production systems for medical product safety surveillance, pharmacovigilance, and public health informatics. Commonwealth staff are experts in systems to integrate all the sources of data needed for effective surveillance.

Communication-STEM Ltd

Working extensively as a value add partner alongside leading MSPs, Communication-STEM has developed the complementary services as required by C-Level Executives & Heads of IT within the Public Sector & leading organisations, to enable them to more efficiently bridge the gap between actual and objective effectiveness.

Comotion Consulting Ltd

We are a new breed of consultancy, fusing logic and emotion to help organizations become customer centric. Strategically, we define and deliver digital transformation strategies, linking business plans to cultural change. Operationally, we create world class Customer Experience functions by defining needs, mapping journeys, defining new products and measuring improvements.

Company85 LTD

Company85 is an independent IT consulting firm specialising in enterprise-class information protection, transformation and service management. Headquartered in London, we provide advisory, implementation and managed services to FTSE100 clients and public sector organisations across the UK. We work collaboratively with organisations to lead change, strip out cost, and safeguard data.

Company Net Limited

We are an independent software and business consultancy services company, with 22 years’ experience of building highly adopted business solutions for customers in the public, private and third sectors. Our solutions, now exclusively based on the Microsoft Cloud platforms and our ADKAR let change management approach, delivers extensive business benefits.

Comparex UK Ltd

COMPAREX offer more than 30 years' experience around modern, integrated and dynamic IT solutions. Our experts provide unique expertise in software procurement and licence management. We offer an extensive cross-vendor consulting and managed services package, supporting customers in the optimisation of their software investments.

Compass Informatics Limited

Compass Informatics’ IT, GIS and data analytics solutions and services assist government to deliver more efficient operations, combined with our record for technical and management delivery and our honesty and integrity, enable us to develop long-term relationships based on continuously adding value to, and providing solutions for, our clients’ businesses.

Compass Software Technology Ltd.

We are a provider of multiple solutions (problem solving) for any size of organisation that requires an effective way to control and manage their facilities /plant / property assets and maintenance operations. We are also an award winning innovative developer of CAFM / CMMS / EAM Software.

Complete Contract Management

Complete© is a cloud hosted contract management system designed to simplify the complex governance structures that surround the management of public sector contracts.

Complete IT Solutions

8x8 Channel Partner providing a single platform cloud communications service for: - Call and Contact Centres - Communication - Collaboration - Audio/video conferencing - Instant Messaging - CRM Integration

Complete IT Systems

We specialise in bespoke solutions for public sector bodies. Quotes are assessed and evaluated for cost, efficiency and future expansion by our vendor qualified team. We have the highest level accreditation in all fields on our framework, and will happily point end users to different solutions if requirement is there.

Computacenter (UK) Ltd

Europe's leading independent provider of IT infrastructure services, Computacenter enables users and their business by advising organisations on IT strategy, implementing the most appropriate technology, optimising performance and managing infrastructures. We help CIOs and IT departments in enterprise and corporate organisations maximise productivity and IT business value for users.

Computer Application Services Limited

Computer Application Services Ltd (CAS) specialises in the provision of case management solutions for complaints handling, employee relations and other regulatory casework, with our leading Workpro software. Established in 1969, and now employee owned, every team member takes a personal interest in the delivery and successful implementation of your solution.

Computer Network Defence Ltd

Computer Network Defence Ltd (CND) are a cyber security consultancy. Our staff deliver all manner of services including; Cyber Threat Intelligence, Penetration Testing, Security Event monitoring, Deep Packet Analysis, Security Architecture and Professional Services. Underpinning our delivery, we also have an embedded cyber security recruitment agency.

Computer Service Centre Ltd

Manage your Occupational Health Clinic in the Cloud. Clinic-all is an online application that lets you manage every part of your clinic, from appointments, staff rotas and patient records, to stock control, reporting and financials if you need it. There's no software to install and no updates to worry about.

Computer Task Group (UK) Limited

CTG is an IT services organisation. CTG provides agile business solutions and subject matter expertise for Communication Service Providers, UK Law Enforcement and the UK Government. CTG also provides global implementation and product prototyping services; and secure portals that help meet global law enforcement and anti terrorism demands.

Computing Distribution Group Ltd

CDG is a digital integrator. Through unique thinking, innovative technology and services, we’re helping to transform public and private sector enterprises into digitally enabled, agile and ultracompetitive organisations. We encourage the adoption of open standards and promote the use of open source software to mitigate risk and drive commercial value.

Comscope Ltd

Comscope offers digital services covering both Technical and Customer Service delivery, complimented by Change, Program Management, Quality Assurance, Customer Experience, Customer Satisfaction and training services. Services include Cloud Strategy and Adoption, Service Auditing, Customer Relationship Management, Local/Wide Area Networking, Internet Protocol Telephony, Hosting Consultancy/Implementation and Contact Centres / Back Office.

Comtact Limited

Comtact Ltd. is an ISO27001 and Cyber Essentials Plus-accredited Cyber Security & IT Service Provider, operating 24/7 from our NOC / SOC. Experts in Network Monitoring & Infrastructure Management; Security Assessment & Vulnerability Management; Cloud Transformation Services, with a proven record of delivering real business value and savings to Government.

ComXo Limited

Our approach to 21st Century Switchboard combines exceptional people with bespoke call handling technology to deliver an excellent service on behalf of our clients. We conduct in-depth audits, design solutions & commission technology that drives efficiencies and transforms working practices.

COMXPS Limited

Since 2003 we have provided consultancy and delivery services to Central Government, NATO, Security and Intelligence Agencies. Achieved through managing and deploying Cloud Solutions to meet Organisational Challenges and delivering programme benefits. Services include: Programme/Project Management, PMO functions, Business Analysis, Enterprise Architecture, SIaM, HGM, Military Encryption, Organisational Change, Procurement/Commercial Management.

Concentra Consulting Limited

Concentra is an award winning company creating sustainable solutions offering our clients a competitive edge. Combining a deep understanding of operational management, industry expertise, design, data analytics software and technology we solve challenging problems for now and the future.

Concept Information Technology Limited

Concept Information Technology is a progressive SME able to provide a range of Cloud based services which are used to manage and develop Cloud based solutions. We help ensure that quality is maintained across our extensive range of consultancy services through applying a flexible approach to fulfilling your project requirements.

Concerto Partners LLP

Concerto is a management consultancy company, we advise and support public and private sector organisations around the world, developing strategy, implementing change and delivering programmes. We are widely experienced in offering business analysis, design consultation and transition services to deliver efficiencies and savings and developing a tailored 'Road Map'.

Concerto Support Services Ltd

Concerto delivers high value CAFM, Asset and Project solutions to the public sector. Working with over 50 public sector organisations within the UK and beyond. We deover a high-quality product and service. Concerto has supplied solutions to HMRC, States of Jersey, Government of Bermuda, and North Yorkshire CC


SAP Concur Expense empowers government departments and councils through greater oversight and control over employee-initiated spending. Workflow is streamlined through a cloud-based system that efficiently manages the entire expense process from spend request to reconciliation in an automated workflow—improving accuracy, reducing reimbursement cycle time, and freeing up admin time

Condeco Ltd.

We are Condeco, pioneers of workspace management technology for the world’s most competitive businesses. Our integrated meeting room booking, desk booking and workspace utilisation technologies help organisations transform their operations quickly, efficiently and at scale.


Platform from scenario-based learning and development

Conduit Global

Conduit Global has over 20 years of extensive experience in the delivery and ongoing management of UK and globally dispersed technology solutions and programs that optimise how companies “Connect” with their customers.

confido Limited

Confido is focused on helping and supporting organisations with their technology challenges. With digital transformation, cloud computing and cyber security being at the forefront of today's business Confido can help you cut through the hype and technical jargon to select the services that deliver meaningful value to you.


Config R IT is an engineer-led company aiming to become an emerging force within the cloud and network infrastructure market, focusing on leveraging new technologies to better align your IT capabilities to your business objectives, reduce your operational cost while providing a reliable, flexible and secure cloud and network infrastructure.

Congruis Limited

Congruis provides services to HMG in three areas: 1. ICT Programme Assurance and Delivery Consulting, 2. ICT Organisation Capability Development Consulting, and 3. Digital-Engagement/Social-Enterprise SaaS Software Development and Implementation