Turn this list into pipeline.
Cloud Computing Companies in Southampton: 44 Active Firms (2026)
Cloud computing companies provide hosted infrastructure, platforms and managed cloud services for organisations in and around Southampton.
Buying centres tend to sit with IT operations, application owners and finance-facing procurement, rather than a single software budget. The relevant buyers are usually B2B organisations that need retained operational support alongside project delivery: migrations, application hosting, platform engineering and cloud-operations cover. Engagements are therefore service-led, with recurring contracts wrapped around technical implementation work and later support. For researchers, the useful distinction is between providers running ongoing managed environments for local business customers and pure software sellers whose cloud exposure is only incidental to delivery.
Read more
Southampton has 44 actively trading cloud computing firms, making the local cohort small enough for account-level review but large enough to include both managed-service and hosting specialists. Reported employment across the cohort is 137 people, which points to a market made up mainly of small technical teams rather than large delivery centres. That matters for qualification: local providers may have direct senior technical involvement in sales and delivery, but capacity for larger migration programmes is likely to vary by firm.
Operating risk is shaped less by a sector licence than by contractual accountability for hosted services. Buyers will typically test availability commitments, backup and recovery arrangements, incident notification, access controls and responsibilities where third-party infrastructure sits underneath the service. For Southampton providers selling to business customers, procurement can be as much about evidence and process as about technical scope: security documentation, service-level wording and change-control practice all influence whether a managed cloud supplier is credible enough for recurring operational work.
Demand appears likely to favour providers that can combine migration work with ongoing operations, because buyers tend to prefer fewer hand-offs once an application or workload has moved off internal infrastructure. The constraint is capacity. A local market dominated by small technical teams can be close to customers, but it may struggle to absorb complex delivery without partnerships or subcontracting. Productisation should continue at the margins, while the centre of gravity remains managed operations, hosting and platform engineering for business users.
44
Active firms
2026
1
Over £5M revenue
Larger local operator
3
Incorporated since 2022
Recent formations
Key facts
About 2% of the trading cohort reports turnover above £5M (1 of 44 firms) — the rest sits below that revenue band.
6% of the cohort was incorporated since 2022 (3 firms), so a sizeable share is in its first few filing cycles.
Local cloud suppliers tend to sell hosted infrastructure, application environments and managed support as recurring services rather than one-off IT projects.
Procurement usually turns on service availability, data handling, migration risk and support coverage, especially where cloud services replace on-premise systems.
Southampton buyers are likely to include organisations with operational IT estates rather than only software-native businesses.
Top Southampton Cloud Computing companies
Englex Limited
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsFinancial Health
StableStable · 0% CAGR over 4y
Location
LAB402 CONSULTING AND DEVELOPMENT LTD
Trajectory
1y · 2025–NowFinancial Health
Insufficient historyInsufficient history
Location
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsDevelops software tools for migrating and managing files in Microsoft 365 environments, including utilities for transferring data to SharePoint Online and OneDrive for Business and mapping SharePoint…
Serves IT consultancies, managed service providers, SMBs and public sector organisations that use Microsoft 365, SharePoint Online and OneDrive for Business.
Financial Health
StableStable · -76% CAGR over 4y
Location
Enix Limited
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides cloud, web, email and server hosting services, including renewable energy‑powered hosting. Operates hosting brands and email platforms used to run websites, blogs and business applications,…
Serves a mix of consumers and businesses, including individual website owners, bloggers, small business site operators, email users and programming students worldwide.
Financial Health
StrongStrong · Growing, Hiring · 26% CAGR over 4y
Location
Cerberus Tech Limited
Trajectory
5y · 2020–NowFinancial sub-scores
Computed from 5 filingsDevelops and operates a cloud-based platform for managing live IP video workflows for broadcasters. Provides tools for provisioning, routing, transcoding, packaging and monitoring video streams, plus…
Serves broadcasters, content owners and media operations teams that need IP/cloud live video contribution, distribution and workflow control, including organisations with in-house operators and those…
Financial Health
WeakWeak · -2% CAGR over 4y
Location
Trajectory
5y · 2020–NowFinancial sub-scores
Computed from 5 filingsProvides hosted voice and SIP trunking services, enabling businesses to manage telephone numbers and route calls through cloud platforms. Offers telephony integration with collaboration tools such as…
Serves UK businesses and organisations using hosted voice, SIP trunking and cloud telephony, particularly those migrating calling into Microsoft Teams or Webex and existing customers moving from…
Financial Health
StableStable · 0% CAGR over 5y
Location
C & C Holdings Limited
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides cloud‑native software platforms, data services and managed operations for regulated utilities and healthcare sectors. Systems support electricity, gas and water market processes including…
Sells to B2B and regulated-sector organisations in the UK, including electricity DNOs, IDNOs, suppliers, agents and central bodies, gas network operators, water wholesalers and retailers,…
Financial Health
StrongStrong · Growing · 0% CAGR over 4y
Location
Trajectory
5y · 2020–NowFinancial sub-scores
Computed from 5 filingsProvides cloud-based telephony services and voice routing platforms that integrate calling with collaboration tools such as Microsoft Teams and Webex. Offers hosted voice services, direct routing,…
Serves B2B organisations and global enterprises that use Microsoft Teams, Webex, hosted voice, contact centre or multi-vendor telephony environments, alongside channel partners supporting business…
Financial Health
StrongStrong · Hiring · 7% CAGR over 5y
Location
Sauve Solutions Ltd
Trajectory
3y · 2022–NowFinancial Health
Insufficient historyInsufficient history
Location
Cloudficient Solutions LTD
Trajectory
4y · 2022–NowFinancial sub-scores
Computed from 4 filingsProvides software and services for managing enterprise data across cloud platforms, including Microsoft 365 migrations, legacy archive migration, legal hold and eDiscovery tools, data retention and…
Serves B2B customers: in-house legal, IT and governance teams, plus law firms in organisations handling litigation, compliance, data retention, cloud migration and M&A-related data needs.
Financial Health
StrongStrong · Growing · 0% CAGR over 3y
Location
Right Response Limited
Trajectory
5y · 2020–NowFinancial sub-scores
Computed from 5 filingsFinancial Health
WeakWeak · Hiring · 19% CAGR over 4y
Location
MEDATECH UK LIMITED
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsProvides enterprise resource planning (ERP) software solutions, marketing, implementing and supporting the Priority ERP system. Offers system integration, cloud hosting, consultancy, mobile…
Serves B2B industrial and commercial organisations, especially manufacturers, distributors and defence-related businesses across the UK and Australia.
Financial Health
WeakWeak · 4% CAGR over 2y
Location
Dennison Computer Solutions Limited
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsFinancial Health
WeakWeak · 0% CAGR over 4y
Location
FIDELIS PRIVACY SOLUTIONS LIMITED
Trajectory
2y · 2023–NowFinancial Health
Insufficient historyInsufficient history
Location
Smarter Technologies
Trajectory
1y · 2020–NowProvides Internet of Things (IoT) technology and digital services, including hardware, software and communications networks for asset tracking, smart building management, and energy, water and…
Serves public sector bodies and private businesses, including councils, leisure operators, marinas, building managers, utilities, and military/defence organisations.
Financial Health
Insufficient historyInsufficient history
Location
Volthosting Ltd
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsFinancial Health
HealthyHealthy · 0% CAGR over 4y
Location
Wheal Ventures Limited
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsFinancial Health
DistressedDistressed
Location
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsDevelops database migration software that enables applications built for Oracle to run on alternative cloud databases without code changes. The platform migrates schemas and data, maintains…
Serves enterprises reliant on Oracle databases, targeting CIOs, CTOs, DBAs and solution architects, as well as system integrators delivering database migration projects for their own customers.
Financial Health
StableStable · Hiring · 19% CAGR over 4y
Location
STAR HAT SOLUTIONS LIMITED
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsDevelops web and mobile trading platform technology for financial brokers and trading firms. Provides MT4/MT5 bridging, price aggregation, smart order routing and matching, on‑chain settlement tools,…
Serves B2B financial trading firms, including brokerages, proprietary trading platforms and exchanges using MT4/MT5 or FIX-based infrastructure.
Financial Health
HealthyHealthy · Hiring · 14% CAGR over 2y
Location
Develops cloud-based software for customer service and contact centres, including AI agents, automation tools, omnichannel routing, workforce engagement management, interaction analytics, and…
Sells to B2B customer service organisations: enterprise and SMB contact centres, CX leaders, operations managers, workforce teams and compliance teams across sectors managing high volumes of customer…
Location
Develops cloud-based customer experience and contact centre software. Provides AI-driven automation, conversational AI, voice and omnichannel routing, workforce management, analytics, and knowledge…
Serves enterprise businesses and contact centre operators, targeting customer service, CX, operations and workforce management leaders responsible for large-scale customer interactions.
Location
Develops cloud-based customer experience and contact centre software that uses AI to automate service interactions, route enquiries, assist agents, analyse conversations, and manage workforce…
Serves enterprises and SMBs with contact centres and customer service operations, targeting CX, operations, workforce engagement and digital transformation teams across sectors.
Location
Trajectory
5y · 2020–NowFinancial sub-scores
Computed from 5 filingsProvides cloud-based software for customer service and contact centres, including AI-driven automation, omnichannel routing, voice services, workflow orchestration, workforce engagement management,…
Sells to businesses, from SMBs to large enterprises, that run customer service and contact centre operations. Targets CX, contact centre, operations and service teams across industries seeking AI,…
Financial Health
StableStable · 0% CAGR over 4y
Location
QGATE SOFTWARE LIMITED
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides IT consultancy focused on Microsoft Dynamics 365 customer relationship management systems. Offers CRM strategy, implementation, optimisation and support, plus data analytics, automation and…
Serves businesses and organisations using or adopting Microsoft Dynamics 365 CRM, Power Platform and Copilot, particularly sales, customer service and field service teams seeking CRM improvement.
Financial Health
StableStable · -10% CAGR over 4y
Location
Unlock all 44 leads
Showing 24 of 44 — +20 more with verified decision-maker contacts, live data, and CRM sync.
How Southampton Cloud Computing companies work and how to sell to them
What they do
Southampton cloud computing providers usually make money through a blend of project fees, recurring managed-service retainers and usage-linked hosting charges. A migration or platform build may create the initial engagement, but the margin often comes later from support, monitoring, backup, patching, account management and change requests. Pricing tends to be packaged by environment, workload, support tier or service hours, with some pass-through infrastructure cost underneath. The service shape is operational rather than purely software-led: customers are buying technical responsibility, escalation paths and continuity of service as much as configuration work.
Who they sell to
Typical buyers are local and regional business customers with internal IT teams that are too small to run every workload themselves, or with application owners who need external delivery capacity. The main decision-makers tend to be IT managers, heads of operations, finance directors and procurement leads, with owners or managing directors involved in smaller firms. Sales are usually direct, often relationship-led, and can start with a discrete migration or hosting issue before becoming a retained support contract. Shorter cycles suit replacement hosting and support cover; longer cycles appear where security review, service levels and business-continuity evidence are material to the decision.
What they buy
Most cloud computing firms tend to spend on tools and services that make recurring operations easier to sell and deliver. Common categories include service management, ticketing, monitoring, security tooling, identity management, backup, documentation, quoting, billing, customer relationship management and project delivery software. They may also buy professional services around legal contracts, security assurance, finance, recruitment, content marketing and bid support. Infrastructure spend can include data-centre services, connectivity, endpoint hardware, test environments and subcontracted engineering capacity. Smaller technical teams usually prefer suppliers that reduce admin load without adding another complex system to maintain.
Why and how to sell to them
Buying triggers tend to appear when support queues rise, engineers are pulled into too many change requests, a larger customer asks for better evidence, or a migration pipeline outgrows the existing delivery model. Southampton cloud computing buyers are likely to care about service margin, engineer utilisation, incident response, renewal risk and the effort needed to answer procurement questionnaires. Outbound angles work better when they attach to those operational pressures: reducing ticket volume, shortening delivery hand-offs, improving reporting for customers, helping technical staff document work, or making recurring contracts easier to renew and expand.
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 Southampton
Related directories
Frequently asked questions
How many cloud computing companies are there in Southampton?
What counts as a cloud computing company in this list?
Which are the largest cloud computing companies in Southampton?
What do cloud computing companies in Southampton actually do?
How does Southampton cloud computing compare internationally?
How is this list built and how fresh is the data?
How big are the typical cloud computing companies in Southampton?
Are these mostly new or established cloud computing companies?
What SIC codes does this use?
What buying signals should I look for?
Push these 44 companies into your pipeline.
Find the right decision-makers, see verified company data, and export your list in seconds.