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Cloud Computing Companies in Cambridge: 35 Active Firms (2026)
Cloud computing companies provide hosted infrastructure, platforms and managed cloud services to organisations, with this cohort based around Cambridge.
Buying centres tend to sit with technology leadership, operations teams and finance sponsors rather than end-user departments. Work is often framed around migration planning, platform engineering, managed operations and cloud-native application delivery, with public-sector and B2B customers looking for assurance, integration support and continuing technical management. Engagements are usually service-led rather than purely self-serve: discovery and implementation work can precede retained management, and commercial qualification depends on evidence of UK trading activity, not just a product roadmap. Cambridge’s role is less a mass-volume hosting market than a specialist supplier base serving customers beyond the city.
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Cambridge has 35 actively trading cloud computing companies in this cohort. The employment footprint is compact: together, they account for 256 reported employees, which fits the pattern of specialist technical teams rather than large service estates. Only 2 firms are above £5M in turnover, so the revenue base is concentrated among a small upper tier while most suppliers remain owner-managed, project-led or early-commercial. Recent formation is present but not dominant, with 4 firms incorporated since 2022. For researchers, the list therefore reads as a narrow local cloud-services market, not a broad national hosting cluster.
Security assurance and service continuity matter because many buyers are handing over operational control of computing environments, integrations and support processes. The market structure is therefore shaped by procurement checks, contractual service levels, incident response expectations and evidence of technical competence. Public-sector work adds a slower sales motion, with suppliers needing to fit formal purchasing processes and demonstrate that hosted or managed environments can be governed over time. For private-sector buyers, the key distinction is often between migration advisory work, ongoing managed operations and application engineering, rather than between product categories alone.
Expansion appears likely to remain service-led, with demand tied to cloud migration backlogs, application modernisation and the need for smaller organisations to manage technical operations without building large internal teams. Cambridge suppliers tend to look specialised rather than scale-led, so consolidation may come through partnerships, subcontracting and managed-service bundles rather than a wave of stand-alone platform vendors. Public-sector and regulated customer work should keep assurance and documentation requirements high. The constraint is that many firms look compact, so hiring, delivery capacity and repeatable operating processes may matter more than broad market enthusiasm.
35
Active firms
2026
2
Above £5M
reported revenue
4
New since 2022
incorporated firms
Key facts
About 5% of the trading cohort reports turnover above £5M (2 of 35 firms) — the rest sits below that revenue band.
11% of the cohort was incorporated since 2022 (4 firms), so a sizeable share is in its first few filing cycles.
Cambridge cloud computing suppliers sit close to software engineering, research computing and business IT services, rather than only outsourced server capacity.
Buyer demand usually centres on hosted infrastructure, platforms, managed services, storage, security tooling or analytics outside the customer's own server estate.
Cambridge appears better suited to specialist infrastructure and managed-cloud search than to mapping hyperscale cloud infrastructure.
Top Cambridge cloud computing companies
Arcus Global
Trajectory
2y · 2023–NowFinancial sub-scores
Computed from 2 filingsProvides SaaS applications built on Salesforce for public sector organisations, including regulatory services, planning and building control systems, and digital platforms. Also delivers…
Serves UK public sector organisations, especially local authorities and central government teams, including planning, building control, licensing, regulatory services and digital transformation…
Financial Health
StableStable · Hiring · 11% CAGR over 1y
Location
Rabbitsoft Ltd
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsDevelops custom software applications including scalable cloud and web platforms, desktop software for Windows, macOS and Linux, and mobile apps for Android and iOS. Also develops and operates…
Serves businesses needing custom web, desktop and mobile application development, including organisations seeking scalable cloud applications and client portal software.
Financial Health
HealthyHealthy · -29% CAGR over 2y
Location
ITRANSACT LIMITED
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsFinancial Health
DistressedDistressed · -68% CAGR over 4y
Location
Trajectory
5y · 2022–NowFinancial sub-scores
Computed from 5 filingsDevelops a low‑code software platform for building business applications. The platform enables data integration, workflow automation, analytics and data processing, allowing organisations to create…
Sells to business and public-sector organisations needing low-code applications, including teams in telecommunications, energy and utilities, financial services, insurance, healthcare, government and…
Financial Health
WeakWeak · -8% CAGR over 4y
Location
Carbon Instincts Artificial Intelligence Ltd
Trajectory
1y · 2025–NowFinancial Health
Insufficient historyInsufficient history
Location
TRDATA TECHNOLOGY LIMITED
Trajectory
5y · 2020–NowFinancial sub-scores
Computed from 5 filingsFinancial Health
StrongStrong
Location
SITESPEED LIMITED
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsFinancial Health
StableStable
Location
AGILEIGNITER LIMITED
Trajectory
5y · 2020–NowFinancial sub-scores
Computed from 5 filingsFinancial Health
StrongStrong
Location
Develops industrial software for engineering, operations and asset management. Provides tools for process simulation, 3D plant design, SCADA and HMI systems, manufacturing execution, predictive…
Serves industrial enterprises, engineering and construction firms, utilities, infrastructure operators and public-sector organisations across sectors including energy, manufacturing, chemicals,…
Location
Develops industrial software for engineering design, operations control and data management. Provides tools such as SCADA, HMI, simulation, asset performance and manufacturing systems used by energy,…
Serves large industrial enterprises, engineering contractors and utilities across sectors including energy, chemicals, manufacturing, infrastructure, water, mining, marine, data centres and…
Location
Cydar Limited
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsDevelops cloud‑based medical imaging software that uses AI and data fusion to create 3D surgical plans, guide image‑guided vascular procedures, analyse CT scan data, and enable sharing of imaging and…
Serves hospitals and healthcare providers, especially vascular and endovascular surgery teams, clinical departments, multidisciplinary teams and enterprise healthcare operations involved in minimally…
Financial Health
WeakWeak · Hiring · 3% CAGR over 4y
Location
Tesu Health Ltd
Trajectory
2y · 2024–NowFinancial sub-scores
Computed from 2 filingsFinancial Health
StrongStrong · Hiring · 150% CAGR over 1y
Location
Banktech
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsServes B2B organisations across financial services, telecoms, media, technology, professional services, healthcare, life sciences, industrial, consumer tech, and sports sectors.
Financial Health
DistressedDistressed · -13% CAGR over 2y
Location
Precedence Technologies Ltd
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsFinancial Health
StableStable · Hiring · 11% CAGR over 4y
Location
Conundrum Industrial Limited
Trajectory
4y · 2020–NowFinancial sub-scores
Computed from 4 filingsDevelops AI-driven advanced process control software for industrial plants. The platform uses machine learning and physics-based models to monitor data, optimise plant-wide processes, and provide…
Serves metals and mining companies operating industrial plants, targeting process control, operations and digital transformation teams responsible for plant optimisation, throughput, energy use and…
Financial Health
WeakWeak
Location
MYRTLE SOFTWARE LIMITED
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsDevelops low‑latency AI inference software and hardware accelerators for deploying machine learning models. Its VOLLO platform enables microsecond inference for applications such as capital markets…
Serves B2B organisations using machine learning in latency-sensitive environments, especially capital markets trading firms, wireless telecoms providers, security teams, and companies running…
Financial Health
HealthyHealthy · Hiring · 25% CAGR over 2y
Location
Trajectory
1y · 2025–NowProvides AI cloud infrastructure platform enabling organisations to train, fine‑tune and deploy machine learning models. Offers GPU compute instances, private cloud deployments, cluster management…
Serves sovereign entities, telecom operators and large enterprises building or operating AI clouds, plus AI teams needing GPU compute across sectors such as biotech, finance and technology.
Financial Health
Insufficient historyInsufficient history
Location
NASCENTA LTD
Trajectory
5y · 2022–NowFinancial sub-scores
Computed from 5 filingsFinancial Health
WeakWeak · 0% CAGR over 4y
Location
IPERIUM REAL ESTATE LIMITED
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsFinancial Health
DistressedDistressed · 0% CAGR over 4y
Location
Osiris-AI Limited
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsFinancial Health
HealthyHealthy · -10% CAGR over 4y
Location
Computer & Communications Co. Limited
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsDevelops and supplies cloud communications and computer telephony platforms, including virtual contact centre systems, IVR and speech recognition tools, call handling and recording systems, and PCI…
Serves B2B and public-sector organisations running contact centres, helpdesks and payment operations, including universities, housing associations, telecoms providers, offshoring firms and secure…
Financial Health
DistressedDistressed · -9% CAGR over 4y
Location
Trajectory
5y · 2022–NowFinancial sub-scores
Computed from 5 filingsDevelops enterprise data management and synchronisation software that integrates data from directories, databases and files, transforms it, and synchronises user and identity information with cloud…
Serves enterprise IT, security and operations teams, plus cloud security service providers, that manage identity, user account and application data across directories, databases, files and cloud…
Financial Health
WeakWeak · -7% CAGR over 4y
Location
Orca Security
Trajectory
2y · 2024–NowFinancial sub-scores
Computed from 2 filingsDevelops cloud infrastructure security software that scans cloud environments without agents to identify vulnerabilities, misconfigurations, identity risks and exposed data. Platform provides…
Serves security, DevOps and CISO teams at organisations running multi-cloud environments, including financial services, government, healthcare, media and entertainment, retail and technology…
Financial Health
WeakWeak · -11% CAGR over 1y
Location
Patientsource Limited
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsDevelops cloud‑based electronic patient record (EPR) software for healthcare providers. The modular system manages clinical documentation, e‑prescribing, observations, investigations, referrals,…
Serves healthcare providers, including hospitals, clinics and clinical departments. Targets clinicians, EPR leads, medical directors and healthcare organisations running digital transformation…
Financial Health
WeakWeak · Hiring · 32% CAGR over 4y
Location
ZENOO LTD
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides a software platform for digital customer onboarding and compliance. Offers AI‑driven KYC, KYB and AML verification, identity document checks, risk scoring, monitoring, and workflow…
Serves compliance, risk, product and onboarding teams at regulated businesses, including fintech, banking, crypto, wealth and asset management, gambling, telecoms, legal services and luxury sectors.
Financial Health
StrongStrong
Location
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How Cambridge cloud computing companies work and how to sell to them
What they do
Cambridge cloud computing firms typically earn through project fees, managed-service retainers, and usage-linked charges for hosted or platform capacity. Revenue often starts with assessment and migration work: mapping applications, moving workloads, setting up environments, and integrating identity, networking, monitoring and support processes. The recurring element usually comes after go-live, when customers pay for platform operations, incident response, optimisation, backup management or application maintenance. Some firms also sell specialist engineering capacity, with pricing tied to day rates, delivery milestones or retained service hours. The commercial shape is therefore closer to technical services plus recurring operations than a pure software subscription.
Who they sell to
Most buyers are organisations with limited internal cloud depth or with regulated workloads that need external assurance. Typical customers include mid-market software companies, research-led businesses, professional services firms, local public-sector bodies and larger enterprises using Cambridge suppliers for specialist work. Decision-makers tend to be CTOs, heads of infrastructure, IT directors, operations leaders and finance sponsors, with procurement involved once service commitments and risk transfer matter. Smaller engagements may move through referrals and direct proposals; larger accounts usually require security questionnaires, architecture reviews, framework checks or formal RFPs. Sales cycles vary with risk: advisory work can move quickly, while managed operations and public-sector contracts take longer.
What they buy
Most Cambridge cloud computing firms tend to spend on tools and services that protect delivery quality, utilisation and recurring margin. Common buying areas include CRM, proposal management, professional-services automation, time tracking, billing, cloud cost management, observability, security testing, backup, incident management and customer support workflows. Recruitment is also relevant because delivery capacity depends on engineers, architects and support staff rather than large sales teams. Accounting, legal and insurance services matter where firms accept operational responsibility for customer systems. Marketing spend is usually targeted: technical content, partner enablement, customer evidence and events aimed at IT buyers rather than broad consumer demand generation.
Why and how to sell to them
Commercial pressure usually shows up when a cloud provider moves from one-off migration work into retained operations. At that point, ticket handling, service levels, cost allocation and security evidence become harder to manage manually. Other triggers include a new operations leader, a larger public-sector opportunity, a funding event, hiring for delivery roles, or a customer pushing for more formal governance. Outbound angles tend to work better when tied to margin leakage, audit readiness, response times or sales-cycle friction, rather than generic digital change. These firms are technical buyers, so claims need proof: workflow fit, integration detail, implementation effort and evidence that the vendor understands managed-service economics.
How this list is built
Data sources
This list is built from UK Companies House filings, XBRL accounts data, and semantic analysis of each company's public website. Revenue and headcount figures come from the most recent filed accounts; where the company has not filed, values are estimated using a model trained on filed history and peer benchmarks and are labelled as estimates.
Classification
Rather than relying solely on SIC codes, Firmbase classifies each company semantically: the company's website is crawled, an AI model reads what the company actually sells, and the company is placed into the relevant industry and subsectors. SIC codes are used as one signal but not the only one. This means a company that registered under a generic SIC code but pivoted into (for example) fintech is correctly identified as fintech, not as its original SIC category.
Freshness
The underlying company data is refreshed from Companies House continuously; filings appear in the list within days of submission. The curated list ordering is regenerated when the underlying data moves meaningfully (company count changes by more than 5%, a new company enters the top-ranked segment, or the filed-revenue numbers for the top firms change). You can see the last-updated timestamp near the top of the page.
Also in Cambridge
Related directories
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