The 15 Most Popular SaaS Startups from Bristol (2026)

Bristol is home to 15 SaaS and AI products actively bought by companies on Cledara, led by OnSecurity (0.04% market share). This ranking is built from real purchasing data — what companies actually pay for, not funding announcements — and updates monthly. Data as of 17 August 2026, 14:36 UTC.

Top SaaS companies from Bristol

#ProductCategoryDescriptionFoundedEmployeesFunding12-mo rank
1OnSecurityIT & SecurityOnSecurity is a product that offers specialized and comprehensive penetration testing solutions.2,01851-200 employees$5M - $10M-724
2MRPeasyOperations & Supply ChainMRPeasy is a cloud-based Manufacturing ERP software designed for small to medium-sized manufacturers to manage production planning, sales, stock, inventory, purchasing, and shop floor operations in one place.2,01411-50 employees-249
3SignableLegal, Risk & ComplianceSignable is a software that provides electronic signature solutions, allowing users to send documents to clients for secure and legally binding digital signatures. It features document tracking, secure storage, auto-reminders, and integrations with platforms like Google Drive and Dropbox.2,01151-200 employees+667
4Weave + BlendMarketing & GrowthWeave + Blend is a HubSpot app studio that develops apps to solve real-life problems for businesses using the HubSpot platform.2,0202-10 employees-421
5VideoScribeMarketing & GrowthVideoScribe is an animation software that enables users to create animated videos using templates and customizable elements, supporting MP4 and GIF exports, with no prior design skills required.2,00811-50 employees-117
6SentramaSales & RevenueSentrama is a B2B sales-automation platform that provides companies with qualified, pre-arranged sales meetings via a mix of AI-driven lead generation, human sales development (SDR) outreach and verified contact-data delivery. 2,02011-50 employees
7HubsnacksSales & RevenueHubSnacks is a task management service for HubSpot users, providing on-demand support for HubSpot tasks, including onboarding, template design, and automation setup, with a subscription model.2,01711-50 employees
8SocketFinance & AccountingSocket provides tools for accounting and bookkeeping firms to manage client onboarding, proposals, billing, and workflow automation with structured processes.2,0232-10 employees
9ConversionWiseMarketing & GrowthConversionWise specializes in designing custom landing pages and providing ongoing conversion rate optimization, aiming to enhance website performance and profitability.2,01611-50 employees
10KallidusPeople Ops & TalentKallidus is a platform that cover the entire employee journey, from onboarding to performance management.2,000201-500 employees
11BoomboardData & AnalyticsBoomBoard is a platform that enables businesses to consolidate key performance metrics in a customizable dashboard. It addresses the challenge of data fragmentation by connecting various data sources into a unified platform. 2,02111-50 employees
12ZenstoresOperations & Supply ChainZenstores is a platform that provides dispatch shipping software and insights sales reports.2,01411-50 employeesUnder $1M
13ShiptheoryOperations & Supply Chain2,01511-50 employees
14Gift Up!Marketing & Growth2,0132-10 employees
15LOQBOXFinance & Accounting2,01251-200 employees

The complete list is available as <a href="/api/export/startups/united-kingdom/bristol.csv">CSV</a> or <a href="/api/export/startups/united-kingdom/bristol.json">JSON</a>.

Bristol startups by size and funding

The largest SaaS company from Bristol by headcount is Kallidus (201-500 employees).

2 of 15 have disclosed funding, topped by OnSecurity ($5M - $10M).

The newest entrant is Socket (founded 2023).

The oldest is Kallidus (founded 2000); the newest, Socket (2023).

What Bristol startups build

CategoryProducts
Marketing & Growth4
Operations & Supply Chain3
Sales & Revenue2
Finance & Accounting2
IT & Security1
Legal, Risk & Compliance1
People Ops & Talent1
Data & Analytics1

Bristol's SaaS scene skews toward Marketing & Growth — 4 of its 15 tracked companies build marketing & growth software.

Bristol vs the United Kingdom

Bristol accounts for 2% of the 869 ranked SaaS products founded in the United Kingdom.

Frequently asked questions

What are the biggest SaaS startups in Bristol?

OnSecurity, MRPeasy and Signable are the most-used SaaS products founded in Bristol, based on real purchasing data from companies on Cledara. Last updated 17 August 2026, 14:36 UTC.

How many SaaS companies are based in Bristol?

15 SaaS and AI products founded in Bristol are actively bought by companies tracked on Cledara. Aggregators list more registered startups; this ranking counts only products with real, current usage.

Which Bristol startups are growing fastest?

Signable and Weave + Blend show the strongest rank gains among Bristol-founded products over the last 90 days.

How is this different from other Bristol startup lists?

Most lists rank Bristol startups by funding raised or valuation. This one ranks them by adoption — how many companies actually pay for each product — measured monthly from Cledara's purchasing data.