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 27 July 2026, 19:31 UTC.

Top SaaS companies from Bristol

#ProductCategoryFoundedEmployeesFunding12-mo rank
1OnSecurityIT & Security2,01851-200 employees$5M - $10M-930
2MRPeasyOperations & Supply Chain2,01411-50 employees-308
3SignableLegal, Risk & Compliance2,01151-200 employees+430
4Weave + BlendMarketing & Growth2,0202-10 employees-479
5VideoScribeMarketing & Growth2,00811-50 employees-211
6SentramaSales & Revenue2,02011-50 employees
7HubsnacksSales & Revenue2,01711-50 employees
8SocketFinance & Accounting2,0232-10 employees
9ConversionWiseMarketing & Growth2,01611-50 employees
10KallidusPeople Ops & Talent2,000201-500 employees
11BoomboardData & Analytics2,02111-50 employees
12ZenstoresOperations & Supply Chain2,01411-50 employeesUnder $1M
13ShiptheoryOperations & Supply Chain2,01511-50 employees
14Gift Up!Marketing & Growth2,0132-10 employees
15LOQBOXFinance & Accounting2,01251-200 employees

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 867 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 27 July 2026, 19:31 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.