Active SaaS investors funding Cambridge B2B software founders in 2026

12 investors are actively funding Cambridge SaaS companies in 2026. Notion Capital backed Isembard's £37M Series A in March 2026. AlbionVC led Bound's £18M Series A in February 2026. The UK SaaS market raised $17.2B in 2025. Here's who's writing checks.

Cambridge raised $450M+ in VC in the first half of 2025, second only to London. UK SaaS companies raised $2.4B in 2025. B2B SaaS accounts for 14% of all UK startup funding in 2026.

The median Series A for SaaS companies reached $12M in 2025. Notion Capital made 7 investments in 2026 as of June. AlbionVC made 10 new investments in the last 12 months.

Cambridge SaaS founders benefit from access to a deep tech ecosystem that pairs software with hardware and AI. Companies like Darktrace, which had £818M in annual revenue in 2025, show what's possible from the Cambridge cluster.

Upload your pitch deck, ARR dashboard, and financial model to an Ellty data room before reaching out. Cambridge SaaS investors ask for ARR, churn, and unit economics before first meetings.

What is a Cambridge SaaS investor?

A Cambridge SaaS investor backs B2B software companies with Cambridge roots or a Cambridge talent base. They differ from generalist VCs by evaluating ARR growth, net revenue retention, and CAC payback first.

Cambridge SaaS differs from other UK tech hubs in the quality of the technical team. Investors like Notion Capital and Balderton expect Cambridge software founders to have a defensible technical moat, not just a workflow tool.

Typical checks run from £30K at Cambridge Enterprise pre-seed to £37M+ at Notion Capital Series A. AlbionVC and Octopus bridge the gap between seed and growth with checks from £100K to £10M.

See how Cambridge AI investors evaluate AI-enabled SaaS companies differently. Several Cambridge SaaS VCs also back founders building AI-native software products.

12 Cambridge SaaS investors

1. Notion Capital

Notion Capital is Europe's most active specialist B2B SaaS VC, with 7 investments in 2026 as of June. They backed Isembard's £37M Series A in March 2026 alongside Union Square Ventures and IQ Capital. They focus on enterprise software, cloud infrastructure, and B2B fintech at seed to Series B. Cambridge SaaS founders building horizontal or vertical enterprise software should approach Notion as a first Series A call.

Set up an Ellty data room with your ARR dashboard, customer contracts, and financial model before pitching Notion Capital. They run thorough SaaS metrics due diligence before committing.

• Recent Deals: Isembard £37M Series A participant (March 2026); Pivot (2026); Opentrade (2026); 7 investments in 2026
• LinkedIn: Notion Capital LinkedIn
• Sector Focus: B2B SaaS, enterprise software, cloud, B2B fintech
• Stage Focus: Seed to Series B
• Location: London with UK-wide deal flow
• Website: notioncapital.com

2. AlbionVC

AlbionVC is one of the UK's most active B2B software investors with 114 portfolio companies. They led Bound's £18M Series A in February 2026, Kinfolk's £5.1M seed in February 2026, and Evaro's $25M Series A in January 2026. Their B2B software team specifically focuses on enterprise SaaS, AI-enabled software, and deep tech spinouts. AlbionVC co-led Seldon's £7.1M Series A with Cambridge Innovation Capital - a Cambridge ML platform.

• Recent Deals: Bound £18M Series A lead (February 2026); Kinfolk £5.1M seed lead (February 2026); Evaro $25M Series A lead (January 2026); Seldon £7.1M co-lead with CIC
• LinkedIn: AlbionVC LinkedIn
• Sector Focus: B2B software, enterprise SaaS, AI-enabled software
• Stage Focus: Seed to Series B
• Location: London with UK-wide deal flow
• Website: albion.vc

3. Balderton Capital

Balderton Capital is one of Europe's most active Series A and B investors with 14 investments in 2026 as of June. They backed Tilt in June 2026 and Primer and Grand earlier this year. Balderton has returned 25x on Fund 5 via Revolut. Cambridge SaaS founders building enterprise software or fintech at seed or Series A should include Balderton alongside Notion Capital in their raise.

• Recent Deals: Tilt (June 2026); Primer (2026); Grand (2026); 14 investments in 2026; 25x return on Fund 5 via Revolut
• LinkedIn: Balderton Capital LinkedIn
• Sector Focus: Enterprise software, AI SaaS, fintech, consumer tech
• Stage Focus: Seed to Series B
• Location: London with European deal flow
• Website: balderton.com

4. Octopus Ventures

Octopus Ventures made 18 investments in 2025 and 6 investments in early 2026 including Infinitopes in January. They back B2B software, AI-enabled SaaS, and vertical SaaS from pre-seed to growth. Cambridge SaaS founders building enterprise automation, HR tech, or AI-driven tools should include Octopus in their seed or Series A alongside Notion Capital and Balderton.

• Recent Deals: Infinitopes (January 2026); Greenpixie £4.7M pre-Series A (May 2026, existing investor); 18 investments in 2025; 312 tech company portfolio
• LinkedIn: Octopus Ventures LinkedIn
• Sector Focus: B2B software, AI-enabled SaaS, vertical SaaS, fintech
• Stage Focus: Pre-seed to growth
• Location: London with Cambridge deal flow
• Website: octopusventures.com

5. Cambridge Innovation Capital

Cambridge Innovation Capital backed BeyondMath's $18.5M seed in February 2026. They co-led Seldon's £7.1M Series A with AlbionVC - an ML platform (B2B software) from Cambridge. CIC invests in AI SaaS and enterprise software spinouts from the University of Cambridge. Cambridge SaaS founders with university IP or a Cambridge research team should approach CIC alongside Notion Capital.

• Recent Deals: BeyondMath $18.5M seed (February 2026); Seldon £7.1M Series A co-lead with AlbionVC; AI SaaS and enterprise software mandate
• LinkedIn: Cambridge Innovation Capital LinkedIn
• Sector Focus: AI SaaS, enterprise software, university spinouts
• Stage Focus: Seed to Series B
• Location: Cambridge, UK
• Website: cic.vc

6. Molten Ventures

Molten Ventures backs early-stage European AI and SaaS companies at seed and Series A. They are a publicly listed VC investing in scale-stage companies with strong product-market fit. Cambridge SaaS founders building AI-first B2B products or data infrastructure tools should approach Molten alongside Notion Capital for their first institutional round.

• Recent Deals: European AI SaaS mandate; Cambridge co-investment with Amadeus; AI-first B2B and data infrastructure focus
• LinkedIn: Molten Ventures LinkedIn
• Sector Focus: AI SaaS, B2B software, data infrastructure
• Stage Focus: Seed to Series A
• Location: London with UK-wide deal flow
• Website: moltenventures.com

7. Cambridge Enterprise Ventures

Cambridge Enterprise Ventures is the University of Cambridge's own venture fund with £100M AUM. Their START 3.0 programme invests £30K per company with no equity taken until external raise. They back software, AI, and deep tech spinouts from University of Cambridge researchers. Cambridge SaaS founders commercialising university research should apply to START 3.0 before approaching any VC.

Read the IP due diligence guide before applying to Cambridge Enterprise. University funds check IP ownership in detail before making any investment.

• Recent Deals: Tenyks $3.4M seed (2026); START 3.0 active 2026; £100M AUM after additional £30M commitment
• LinkedIn: Cambridge Enterprise LinkedIn
• Sector Focus: University of Cambridge software, AI SaaS, deep tech spinouts
• Stage Focus: Pre-seed
• Location: Cambridge, UK
• Website: enterprise.cam.ac.uk

8. Mercia Ventures

Mercia Ventures backs UK regional B2B SaaS companies from seed to Series A with checks up to £10M. They are an active co-investor alongside Parkwalk, AlbionVC, and Cambridge-specific funds. Their South and East team covers Cambridge-based software companies. Cambridge SaaS founders with early enterprise traction and Cambridge connections should include Mercia alongside Notion Capital.

Use Ellty to send your SaaS pitch to Mercia with a trackable link. You'll see if they open your unit economics section before you follow up.

• Recent Deals: Active UK regional SaaS mandate; Cambridge and East England coverage; software and AI SaaS focus
• LinkedIn: Mercia Ventures LinkedIn
• Sector Focus: B2B SaaS, enterprise software, UK regional
• Stage Focus: Seed to Series A
• Location: UK regions with Cambridge East England coverage
• Website: merciaventures.co.uk

9. Index Ventures

Index Ventures is one of Europe's most successful VCs with 40+ year investment track record. They back enterprise software, cloud infrastructure, and developer tools at seed to Series C. Cambridge SaaS founders building globally ambitious products with technical depth should include Index in their Series A process alongside Balderton and Notion Capital. Index invests from London across Europe and the US.

• Recent Deals: Active 2026 Series A mandate; enterprise software and cloud infrastructure focus; Balderton co-investment history
• LinkedIn: Index Ventures LinkedIn
• Sector Focus: Enterprise software, cloud, developer tools, fintech
• Stage Focus: Seed to Series C
• Location: London and San Francisco
• Website: indexventures.com

10. BGF

BGF is the most active growth equity investor in the UK and Ireland. They back Cambridge SaaS companies with £1M+ ARR seeking their first growth round. They operate East England regional offices and have an active Cambridge pipeline. Cambridge SaaS founders past seed seeking £3M to £30M growth equity should approach BGF alongside Balderton.

• Recent Deals: Most active UK equity investor; East England regional team active; £3B five-year deployment plan; SaaS growth equity focus
• LinkedIn: BGF LinkedIn
• Sector Focus: SaaS scale-ups, enterprise software growth
• Stage Focus: Series A and beyond
• Location: UK-wide with East England coverage
• Website: bgf.co.uk

11. Seedcamp

Seedcamp is one of Europe's most active pre-seed investors with 500+ portfolio companies. They back Cambridge SaaS founders at the earliest stage with £250K to £1.5M. Seedcamp portfolio alumni include Revolut, Wise, and UiPath. Cambridge SaaS founders with early B2B product-market fit should apply to Seedcamp before approaching Notion Capital or Balderton for a Series A.

Read best pitch deck sharing software before approaching Seedcamp. They receive high deal volume and respond faster to well-organised materials.

• Recent Deals: 500+ portfolio companies; active 2025-2026 pre-seed mandate; Revolut, Wise, UiPath alumni; European SaaS focus
• LinkedIn: Seedcamp LinkedIn
• Sector Focus: B2B SaaS, fintech, deep tech, developer tools
• Stage Focus: Pre-seed to seed
• Location: London with European deal flow
• Website: seedcamp.com

12. Entrepreneur First

Entrepreneur First invests in exceptional software individuals before they have a co-founder or idea. Their London cohort regularly includes Cambridge graduates and researchers. They invest £10K to £80K pre-formation, then raise a seed round once the team is validated. Cambridge SaaS developers or PMs who want to start a company but don't have a co-founder should apply to EF first.

• Recent Deals: Active London and global cohorts 2025-2026; Cambridge talent in every cohort; pre-formation SaaS investment
• LinkedIn: Entrepreneur First LinkedIn
• Sector Focus: B2B SaaS founders, software, AI, pre-company formation
• Stage Focus: Pre-formation to seed
• Location: London with Cambridge talent pipeline
• Website: joinef.com

What metrics Cambridge SaaS investors look for

Cambridge SaaS investors want ARR growth of 3x year-on-year before Series A. Net Revenue Retention above 100% is essential - it tells Notion Capital and Balderton that your customers are expanding, not churning.

CAC payback under 18 months and gross margins above 70% are the baseline. Some don't even open the financial model if gross margins come in below 65%. High volumes of low-margin customers won't impress UK SaaS VCs.

Don't claim your AI integration is unique if it's a wrapper around OpenAI with no proprietary data layer. Cambridge SaaS investors expect technical differentiation. If your moat is solely go-to-market, say so explicitly - don't dress it up as IP.

Use Ellty to track which Cambridge SaaS investors open your financial model section. Those who spend time on your ARR cohort analysis are the ones worth following up with first.

How to find the right SaaS investor for your stage

Pre-seed Cambridge SaaS founders should start with Cambridge Enterprise START 3.0, then Seedcamp or Entrepreneur First. Both provide capital and network access before a formal seed round.

At seed, approach AlbionVC, Octopus, and Molten simultaneously. All three back Cambridge SaaS companies and write seed checks without requiring a Series A lead. AlbionVC specifically looks for Cambridge software teams with technical depth.

At Series A, approach Notion Capital and Balderton first. Both are specialists in B2B software and have the deepest Cambridge deal flow of any London-based VC. Include Index Ventures if you're building a globally ambitious product.

How to approach Cambridge SaaS VCs with cold outreach

Notion Capital's website includes a direct application form. They review all applications weekly. Cold applications that are specific and metric-driven convert better than warm intros without traction.

AlbionVC runs a SaaS District podcast and actively engages with B2B software founders on LinkedIn. Commenting meaningfully on their posts before reaching out converts better than unsolicited email.

Cambridge SaaS founders who've gone through Start Codon or SETsquared Cambridge get automatic warm introductions to AlbionVC and Notion Capital. SETsquared's investors in residence include AlbionVC and Octopus partners.