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SaaS Companies in Portsmouth: 265 Active Firms (2026)
SaaS companies in Portsmouth sell subscription-priced cloud software to business and public-sector customers across the coastal city economy.
Buying centres tend to sit with finance, operations, compliance and departmental technology owners rather than a single software budget. Portsmouth-area vendors in this segment are usually selling business-to-business or public-sector cloud applications where the subscription is only part of the engagement: onboarding, integrations, data migration, support and account management often matter as much as licence scope. The typical customer appears to be an SME, lower-mid-market organisation or regulated-service team that wants a specialist workflow system without building its own product capability. Sales cycles are therefore likely to mix product demos with security review, contract negotiation and evidence of disciplined data handling.
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Portsmouth has 265 actively trading SaaS companies, making the local base a compact city-region cohort rather than a national hub. Reported employment across the cohort totals 572 people, so the footprint looks more like a network of small product and implementation teams than a concentration of large software employers. The local turnover profile points in the same direction: the upper-revenue layer is thin, while recent formation is visible enough to keep the long tail replenished. For researchers, that makes Portsmouth more useful as an SME and lower-mid-market SaaS cluster than as a scale-up basket.
Subscription software does not usually bring a sector-wide licence in the UK. Exposure tends to arise from the activity the platform supports: ICO-supervised UK GDPR duties where personal data is processed, cyber-security expectations where customers rely on hosted systems, and consumer, contract or sector-specific rules where the software sits inside regulated workflows. Competition scrutiny around public-cloud infrastructure also matters for market structure. Hosting dependency, switching frictions and contract terms can affect SaaS margins and procurement risk, even though scrutiny of cloud infrastructure is separate from licensing SaaS providers themselves.
Portsmouth’s SaaS base appears likely to remain skewed towards specialist vendors rather than broad horizontal platforms. Many will need to prove security, uptime, support quality and contractual discipline before buyers treat a subscription as low-risk, especially where public-sector or regulated clients are involved. The more durable operators tend to be those that turn implementation knowledge into repeatable product features, rather than relying on bespoke service work. Consolidation may come through customer acquisition, reseller relationships or product tuck-ins, but the local pattern points more to gradual maturation than to a wave of large standalone software employers.
265
Active firms
2026
1
Above £5M
revenue threshold
59
Incorporated since 2022
newer company formations
Key facts
About 1% of the trading cohort reports turnover above £5M (1 of 265 firms) — the rest sits below that revenue band.
22% of the cohort was incorporated since 2022 (59 firms), so a sizeable share is in its first few filing cycles.
SaaS suppliers are not generally licensed as a single sector; regulatory exposure usually comes through data protection, cyber security, consumer and contract law, and rules attached to regulated client sectors.
The ICO is the UK data-protection regulator for SaaS providers processing personal data, with UK GDPR and Data Protection Act 2018 obligations setting much of the practical compliance perimeter.
The CMA closed its UK public cloud infrastructure services case on 31 July 2025 after reporting an adverse effect on competition and recommending strategic market status investigations into the two largest cloud infrastructure providers.
The UK is the “second largest” ICT market by ICT spending per head after the US and the “No. 1 destination for U.S. ICT businesses in Europe”.
Top Portsmouth SaaS companies
Loadbalancer.org Limited
Trajectory
4y · 2023–NowFinancial sub-scores
Computed from 4 filingsDevelops application delivery controller (ADC) software and load balancing solutions that distribute network traffic, provide reverse proxy and web application firewall protection, enable global…
Targets engineers and IT infrastructure teams in businesses and mission-critical organisations, especially healthcare, object storage and industrial environments needing high-availability application…
Financial Health
HealthyHealthy · -9% CAGR over 3y
Location
INGENICA SOLUTIONS LIMITED
Trajectory
4y · 2023–NowFinancial sub-scores
Computed from 4 filingsProvides healthcare resource management software and IT solutions for NHS organisations, including systems for supply chain, procurement and inventory management, data management, and GS1 barcode…
Serves NHS trusts and healthcare providers, targeting back-office teams in procurement, supply chain, finance and ICT, as well as clinicians, managed service providers and suppliers to healthcare.
Financial Health
WeakWeak · -4% CAGR over 3y
Location
INVISION SERVICES LIMITED
Trajectory
4y · 2022–NowFinancial sub-scores
Computed from 4 filingsDevelops software for local authorities to manage and quality‑assure Education, Health and Care Plans (EHCPs) for children with special educational needs and disabilities. Provides automated…
Serves UK local authorities and SEND professionals responsible for EHCPs, annual reviews and related education plans, including teams overseeing looked-after children and educational psychology input.
Financial Health
StableStable · Hiring · 22% CAGR over 3y
Location
EXPERTRX LIMITED
Trajectory
2y · 2024–NowFinancial sub-scores
Computed from 2 filingsDevelops digital health software for healthcare providers and patients, including clinical decision support and care pathway tools. Products integrate with NHS systems to help GPs follow clinical…
Serves NHS primary care organisations, including GP practices, Primary Care Networks, federations and CCGs, as well as clinicians and patients using NHS-approved digital health tools.
Financial Health
DistressedDistressed · 0% CAGR over 1y
Location
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides medication management systems including reminder devices, numbered pill packs, and a monitoring app that alerts users, carers, or family to missed doses. Supports individuals, care…
Serves individuals managing regular medication at home, their family carers, adult social care teams, care providers, pharmacies, and UK councils supporting independent living.
Financial Health
WeakWeak · -10% CAGR over 4y
Location
ATTICUS ASSOCIATES LIMITED
Trajectory
5y · 2020–NowFinancial sub-scores
Computed from 5 filingsDevelops software for the insurance industry, including the DQPro platform used by insurers and brokers to validate and manage underwriting data, apply market data standards, and produce reporting…
Serves insurers, carriers, brokers and Lloyd’s managing agents in the global insurance market, targeting insurance business and IT teams with data quality and validation needs.
Financial Health
StrongStrong · Growing, Hiring · 9% CAGR over 4y
Location
Trajectory
4y · 2022–NowFinancial sub-scores
Computed from 4 filingsDevelops software for rail operators including control room systems, revenue protection and enforcement tools, case and appeal management, mobile workforce apps, and reporting dashboards that…
Sells B2B SaaS to UK rail operators and wider transport-sector organisations, especially operations, control room, revenue protection, enforcement, prosecutions, appeals and frontline workforce teams.
Financial Health
StableStable · -75% CAGR over 3y
Location
GARDX INTERNATIONAL LIMITED
Trajectory
4y · 2022–NowFinancial sub-scores
Computed from 4 filingsProvides vehicle protection and maintenance products, insurance-backed protection plans, and digital marketing and customer engagement platforms for automotive manufacturers and dealerships,…
Serves automotive OEMs, dealer groups, individual dealerships, motorcycle dealers and industry partners globally, especially businesses managing vehicle sales and value-added product journeys online…
Financial Health
WeakWeak · -83% CAGR over 3y
Location
De Competitor Limited
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsProvides an AI-based market intelligence platform that monitors competitors, products, marketing activity, and financial data. Collects and analyses market information to generate alerts, reports,…
Serves B2B organisations seeking market and competitor intelligence, especially marketing, product, strategy, sales and finance teams responsible for tracking competitors and market trends.
Financial Health
DistressedDistressed
Location
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsDevelops software for electricity market trading, dispatch and optimisation. Products include tools for asset scheduling, balancing mechanism participation, power purchase agreement management,…
Serves B2B participants in the UK wholesale electricity market, including energy traders, generators, aggregators, virtual lead parties, asset operators and firms entering National Grid balancing…
Financial Health
StableStable · 0% CAGR over 4y
Location
Cloudvplus Holdings Ltd
Trajectory
2y · 2024–NowFinancial sub-scores
Computed from 2 filingsProvides cloud-based video surveillance systems that connect analogue and IP cameras to a remote platform for capturing, storing, and managing video footage. Offers event detection, automated alerts,…
Serves businesses and organisations with existing or planned analogue/IP CCTV systems, targeting security, facilities and operations teams needing remote access to surveillance footage and cloud…
Financial Health
DistressedDistressed · 0% CAGR over 1y
Location
WEBREE.COM LTD.
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsFinancial Health
HealthyHealthy · -68% CAGR over 4y
Location
Trajectory
5y · 2020–NowFinancial sub-scores
Computed from 5 filingsDevelops and provides cloud-based enterprise software for automotive, truck, bus and equipment businesses. Its A365 platform, built on Microsoft Dynamics 365, integrates ERP, CRM and dealer…
Serves B2B organisations in the automotive, truck and bus, and heavy equipment sectors, including dealers, distributors, OEM-linked operations, rental and fleet businesses, and aftersales/service…
Financial Health
StrongStrong · Growing · 0% CAGR over 4y
Location
D.A. SYSTEMS LIMITED
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsDevelops courier management software for delivery and logistics companies, including cloud and server‑based systems for booking, dispatch, driver management, tracking and invoicing, plus mobile…
Sells to courier and delivery companies of all sizes, from small businesses to medium and enterprise operators. Targets logistics teams and transport businesses needing software to manage bookings,…
Financial Health
StableStable · -8% CAGR over 4y
Location
ABL SOFTWARE LTD
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsFinancial Health
StableStable · 0% CAGR over 4y
Location
Sunflower Software Limited
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsFinancial Health
StableStable · 0% CAGR over 4y
Location
Britpip Limited
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsFinancial Health
DistressedDistressed · 0% CAGR over 4y
Location
Retail Efficiency Limited
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsDevelops data analytics and reporting software for retail businesses, providing dashboards and automation tools that integrate sales, inventory and operational data to track performance, forecast…
Sells to independent and franchise retail businesses, especially store owners and managers who need oversight of sales, inventory, productivity and team performance across one or multiple stores.
Financial Health
HealthyHealthy · Growing, Hiring · 12% CAGR over 2y
Location
EXPOSURE ANALYTICS LIMITED
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsProvides analytics technology for events and physical venues, using sensors to track visitor footfall, movement paths, dwell time and engagement. Delivers dashboards, KPI reporting and competitor…
Sells to B2B event organisers, exhibition exhibitors, experiential marketing agencies, global brands, retailers and venue operators seeking visitor engagement and footfall insights for events and…
Financial Health
DistressedDistressed · 0% CAGR over 2y
Location
Syndio Solutions Limited
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsDevelops AI-based software for managing employee compensation decisions. The platform provides pay equity audits, compensation recommendations, and tools for pay gap reporting, regulatory compliance,…
Serves large enterprises, particularly HR, total rewards, compensation, people analytics and compliance teams responsible for pay equity, hiring offers, pay reporting and transparency obligations.
Financial Health
WeakWeak · Hiring · 145% CAGR over 2y
Location
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides a fintech platform for schools and families that enables payment and management of school-related fees and services through a mobile app, including tuition, transport, activities, uniforms…
Serves parents and families with school-age children, plus schools and education institutions managing payments and financial operations, with related partners such as transport, canteen, uniform and…
Financial Health
DistressedDistressed · -79% CAGR over 4y
Location
CLOUD COACH UK LIMITED
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsFinancial Health
DistressedDistressed
Location
TECHNO TOUCH LTD
Trajectory
1y · 2025–NowFinancial Health
Insufficient historyInsufficient history
Location
VISITOR CHAT LTD
Trajectory
5y · 2020–NowFinancial sub-scores
Computed from 5 filingsProvides managed live chat services and customer engagement tools for websites, including 24/7 agent‑operated chat, SMS and WhatsApp messaging campaigns, and outbound call follow‑ups to capture…
Serves automotive retailers, dealerships and other businesses that rely on website enquiries, targeting sales, marketing and customer-service teams managing online visitors, messaging campaigns and…
Financial Health
StrongStrong · Growing, Hiring · 16% CAGR over 4y
Location
Trajectory
4y · 2023–NowFinancial sub-scores
Computed from 4 filingsDevelops software for creating digital human avatars and 3D characters. Platform automates generation of NPCs and crowds, asset fitting, and production of game‑ready characters for integration into…
Serves B2B customers in the gaming industry, from indie developers to AAA studios, including game developers, character artists, and teams building open-world games, RPGs, virtual worlds, and…
Financial Health
StableStable · -25% CAGR over 3y
Location
Nand Software Development Limited
Trajectory
4y · 2022–NowFinancial sub-scores
Computed from 4 filingsFinancial Health
WeakWeak · 0% CAGR over 3y
Location
Signetix Ltd
Trajectory
4y · 2021–NowFinancial sub-scores
Computed from 4 filingsFinancial Health
DistressedDistressed · 0% CAGR over 2y
Location
OMNITEK LTD
Trajectory
3y · 2022–NowFinancial sub-scores
Computed from 3 filingsFinancial Health
StableStable
Location
GRADIENT INSIGHT LTD
Trajectory
4y · 2022–NowFinancial sub-scores
Computed from 4 filingsFinancial Health
DistressedDistressed · 0% CAGR over 3y
Location
Trajectory
5y · 2020–NowFinancial sub-scores
Computed from 5 filingsFinancial Health
DistressedDistressed
Location
RT SOFTWARE SPORTS LTD
Trajectory
4y · 2022–NowFinancial sub-scores
Computed from 4 filingsFinancial Health
DistressedDistressed
Location
Flow Pundits Ltd
Trajectory
1y · 2025–NowFinancial Health
Insufficient historyInsufficient history
Location
Made By Leon Limited
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsFinancial Health
DistressedDistressed
Location
Magenta Media Limited
Trajectory
5y · 2020–NowFinancial sub-scores
Computed from 5 filingsFinancial Health
WeakWeak · Hiring · 19% CAGR over 4y
Location
DATA IMPS INTERNATIONAL LIMITED
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsFinancial Health
DistressedDistressed · 0% CAGR over 3y
Location
Adscribe Ltd
Trajectory
2y · 2024–NowFinancial sub-scores
Computed from 2 filingsFinancial Health
DistressedDistressed · 0% CAGR over 1y
Location
Jetsam Tech Ltd
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsFinancial Health
DistressedDistressed
Location
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsFinancial Health
StableStable · 0% CAGR over 4y
Location
Fastfood Os Ltd
Trajectory
4y · 2023–NowFinancial sub-scores
Computed from 4 filingsFinancial Health
WeakWeak · 0% CAGR over 2y
Location
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsDevelops and provides cloud-based workforce management software, including the WhosOff and WhosOffice platforms for staff leave and absence management. Software enables employees to request holiday…
Serves businesses and public sector organisations with staff to manage, including hauliers, car importers, installers, colleges, government, health, education, emergency services, defence and…
Financial Health
StableStable · 0% CAGR over 4y
Location
BEYOND ENCRYPTION LIMITED
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsDevelops secure communication software including encrypted email, identity verification, and document management tools. Products such as Mailock, Nigel, and AssureScore enable organisations to send…
Serves regulated organisations and public sector bodies that exchange sensitive customer information, including financial services firms, IFAs, insurers, law firms and service providers.
Financial Health
DistressedDistressed · -1% CAGR over 4y
Location
BLUETEQ LIMITED
Trajectory
5y · 2022–NowFinancial sub-scores
Computed from 5 filingsDevelops and supplies healthcare and business software, including NHS systems for high‑cost drug management, individual funding requests and case management. Also provides managed IT support,…
Serves NHS organisations, healthcare commissioners, trusts, GP federations and private businesses needing software, data, workflow and managed IT support services.
Financial Health
StableStable · Hiring · 6% CAGR over 4y
Location
Trajectory
1y · 2022–NowProvides software platforms and services for managing meetings, voting, and elections. Offers tools for shareholder meetings, investor relations events, governance assemblies, and member voting,…
Serves B2B and public-sector organisations running governance meetings and votes, including listed companies, government bodies, associations, societies, registrars, transfer agents, corporate…
Financial Health
Insufficient historyInsufficient history
Location
ULYSSES (2000) LIMITED
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsDevelops and supplies configurable software systems for risk management, incident reporting, customer services, FOI requests, litigation, bereavement and chaplaincy management. Provides cloud-hosted…
Serves public sector organisations, particularly healthcare and NHS bodies, with buyers in governance, patient safety, risk management, customer services, FOI, litigation, bereavement and chaplaincy…
Financial Health
HealthyHealthy · -11% CAGR over 2y
Location
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsProvides data discovery software that indexes and analyses structured and unstructured organisational data, enabling search, classification and identification of sensitive information to support…
Serves B2B organisations with large structured and unstructured data estates, particularly information security, governance, risk and compliance, privacy, and strategic IT/operations teams.
Financial Health
DistressedDistressed
Location
Legis Solutions Ltd
Trajectory
5y · 2020–NowFinancial sub-scores
Computed from 5 filingsDevelops and supplies case management software for law firms and legal departments, including document management, workflow automation, client relationship management, reporting, and online case…
Serves law firms from large LLPs to two-partner practices, government departments, and commercial businesses ranging from large enterprises to SMEs.
Financial Health
StrongStrong · Growing, Hiring · 6% CAGR over 4y
Location
J C APPLICATIONS DEVELOPMENT LIMITED
Trajectory
3y · 2022–NowFinancial sub-scores
Computed from 3 filingsDevelops and supplies risk management and insurance claims handling software for public and private sector organisations. Provides cloud-based applications, including risk management and claims…
Sells to public and private sector organisations, especially local authorities, risk managers and insurance claims teams responsible for risk management and claims handling.
Financial Health
StableStable · 0% CAGR over 2y
Location
Provides a print-on-demand platform and API that connects online retailers and creators to a global network of print labs. Enables ordering, production and dropshipping of customised products such as…
Serves B2B ecommerce sellers, artists, brands, museums and online retailers using platforms such as Shopify, Etsy, WooCommerce, Wix and BigCommerce, including higher-volume businesses needing API or…
Location
SECURONIX UK LTD
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsDevelops cloud‑based cybersecurity software for security operations, including SIEM, user and entity behaviour analytics (UEBA), security orchestration and automated response (SOAR), and threat…
Serves enterprise security operations teams and MSSPs, particularly in financial services, healthcare, manufacturing, supply chain, energy and utilities, with buyers responsible for cloud security,…
Financial Health
DistressedDistressed · -10% CAGR over 4y
Location
MAILOCK LIMITED
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides encrypted email software that enables organisations to send and receive sensitive messages and attachments securely. The platform offers end‑to‑end encryption, recipient identity…
Serves B2B organisations and professionals that handle sensitive client data, especially financial services firms, from individual light users and teams to enterprises with high-volume customer…
Financial Health
WeakWeak · 0% CAGR over 4y
Location
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How Portsmouth SaaS companies work and how to sell to them
What they do
Revenue usually comes from recurring access to hosted workflow software, with implementation and support wrapped around the licence. Portsmouth-area SaaS firms tend to favour annual subscriptions priced by seat, module, usage band or managed customer account; services revenue then covers onboarding, integrations, data migration and configuration. Few are pure self-serve software businesses. The commercial unit is more often a departmental process, compliance workflow or customer-facing operational system, so retention depends on whether the product becomes embedded in daily work and whether the supplier can keep service effort from swallowing subscription margin.
Who they sell to
Customers are typically SMEs, lower-mid-market organisations, regulated-service teams and local or national public-sector buyers. The buying committee often includes an operational sponsor, CTO or IT manager, finance lead, compliance or data-protection owner, and procurement where the customer is public sector or larger private sector. Contract value is usually departmental before it becomes enterprise-wide, so land-and-expand matters. Sales cycles are usually measured in weeks or months, with demos, security questionnaires, reference checks and contract negotiation. Direct sales does most of the work, while partner or framework channels appear where public procurement rules shape the route to market.
What they buy
Most Portsmouth SaaS firms tend to spend on cloud hosting, storage, backups, monitoring, observability, application security, identity and access management, and development tooling. The commercial side buys CRM, marketing automation, customer-support systems, subscription billing, revenue reporting and contract-management software, usually before finance teams have much spare capacity. External services are also common: accountancy, legal advice, UK GDPR support, penetration testing, recruitment, copywriting, paid acquisition, implementation partners and fractional finance or people support. Sellers with categories tied to uptime, compliance evidence, churn reduction or lower implementation effort usually have a clearer hook than generic business-software pitches.
Why and how to sell to them
Buying triggers often appear when a vendor moves from founder-led delivery to a repeatable go-to-market motion. New senior hires, public-sector tenders, a funding event, a push into regulated clients, rising support tickets, cloud-cost pressure or a failed security review can all create budget. Outbound works better when it shows awareness of subscription economics: reduce churn, shorten onboarding, pass customer assurance checks, protect margin, or make reporting credible for board and investor conversations. A local angle can help, but the pitch still needs to map to the buyer's customer-risk problem rather than to Portsmouth identity alone.
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 Portsmouth
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Frequently asked questions
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