--- title: "73 B2B Investors in the UK (Nov 2026): Top 10 by Fund Activity" last_updated: "2026-11-09" rows: "73" free_rows: "25" source: "SEC Form D filings and our own research" canonical: "https://theinvestordatabase.com/lists/b2b-investors-uk/" --- # 73 B2B investors in the UK We list 73 B2B investors in the UK as of November 2026: 3 have an SEC filing on file and 70 were checked on the firm's own website or an official register, and the list was last checked on 9 Nov 2026. The cities with the most head offices on this list are London (49), Cambridge (2) and Edinburgh (1). - 73 investors - 30 with a fund filing or dated deal in the last 12 months - 402 named decision-makers on file ## First 25 of 73 B2B investors in the UK | Investor | Type | HQ | Stages (our research) | Focus (our research) | Latest fund or deal | Fund size | Checked | Profile | |---|---|---|---|---|---|---|---|---| | Atempo Growth | Venture debt | London, United Kingdom | Series A, Series B, Growth, Late stage | B2B, SaaS, Fintech | Portfolio news, Aug 2026 | €800M (own site) | 2026-11-04 | https://theinvestordatabase.com/investors/atempo-growth/ | | Fuel Ventures | SEIS/EIS fund | London, United Kingdom | Pre-seed, Seed, Series A | B2B, Fintech, SaaS, Marketplace | New deal, Oct 2026 | £280M (own site) | 2026-11-04 | https://theinvestordatabase.com/investors/fuel-ventures/ | | Pembroke VCT | VC firm | London, United Kingdom | Seed, Series A, Growth | B2B, AI, Healthtech, Consumer | Portfolio news, Sep 2026 | £235M (own site) | 2026-11-04 | https://theinvestordatabase.com/investors/pembroke-vct/ | | Notion Capital | VC firm | London, United Kingdom | Seed, Series A | B2B, SaaS, AI, Fintech | New deal, Oct 2026 | $2.0B (own site) | 2026-11-04 | https://theinvestordatabase.com/investors/notion-capital/ | | Bayes Entrepreneurship Fund | Government or university fund | London, United Kingdom | Seed, Series A | B2B, AI, Healthtech, Fintech | New deal, Oct 2026 | £15M (own site) | 2026-11-04 | https://theinvestordatabase.com/investors/cass-entrepreneurship-fund/ | | Salica Investments | Fund manager | London, United Kingdom | Seed, Series A, Growth | B2B, Fintech, AI, Healthtech | Portfolio news, Oct 2026 | £760M (own site) | 2026-11-04 | https://theinvestordatabase.com/investors/salica/ | | Archangels | Angel network | Edinburgh, United Kingdom | Pre-seed, Seed, Series A, Growth | B2B, Biotech, Media, Deep Tech | Portfolio news, Nov 2026 | £10M (own site) | 2026-11-04 | https://theinvestordatabase.com/investors/archangels/ | | Brighteye Ventures | VC firm | London, United Kingdom | Pre-seed, Seed, Series A | B2B, AI, Developer Tools, Edtech | New fund, Sep 2026 | $245M (own site) | 2026-11-04 | https://theinvestordatabase.com/investors/brighteye-ventures/ | | Cherry Ventures | VC firm | London, United Kingdom | Pre-seed, Seed, Series A | B2B, Generalist, AI, Energy | New deal, Sep 2026 | $5M (SEC Form D, 2025) | 2026-11-04 | https://theinvestordatabase.com/investors/cherry-ventures/ | | Mosaic Ventures | VC firm | London, United Kingdom | Seed, Series A | B2B, AI, Fintech, Crypto and Web3 | New deal, Sep 2026 | $75M (SEC Form D, 2025) | 2026-11-04 | https://theinvestordatabase.com/investors/mosaic-ventures/ | | True | Fund manager | London, United Kingdom | Pre-seed, Seed, Growth | B2B, Consumer, AI, SaaS | New deal, Sep 2026 | | 2026-11-04 | https://theinvestordatabase.com/investors/true/ | | Illuminate Financial | VC firm | London, United Kingdom | Seed, Series A, Growth | B2B, Fintech, AI, SaaS | New deal, Jun 2026 | $500M (own site) | 2026-11-05 | https://theinvestordatabase.com/investors/illuminate-financial/ | | Cambridge Angels | Angel network | Cambridge, United Kingdom | Seed | B2B, Healthtech, Biotech, Deep Tech | Portfolio news, Oct 2026 | £400M (own site) | 2026-11-04 | https://theinvestordatabase.com/investors/cambridge-angels/ | | Kennet Partners | VC firm | London, United Kingdom | Growth | B2B, AI, SaaS | Portfolio news, Jan 2026 | €1.0B (own site) | 2026-11-04 | https://theinvestordatabase.com/investors/kennet-partners/ | | SEP | VC firm | Glasgow, United Kingdom | Growth | B2B, Fintech, SaaS, AI | Portfolio news, Feb 2026 | £1.0B (own site) | 2026-11-04 | https://theinvestordatabase.com/investors/sep/ | | Endeavour Ventures | SEIS/EIS fund | London, United Kingdom | Pre-seed, Seed, Growth | B2B, Fintech, Cybersecurity, Media | Portfolio news, Apr 2026 | £250M (own site) | 2026-11-04 | https://theinvestordatabase.com/investors/endeavour-ventures/ | | Martlet Capital | VC firm | Cambridge, United Kingdom | Pre-seed, Seed | B2B, Healthtech, Biotech, AI | New deal, Jun 2026 | | 2026-11-04 | https://theinvestordatabase.com/investors/martlet-capital/ | | Mercuri | VC firm | London, United Kingdom | Pre-seed, Seed | B2B, AI, Media, Edtech | Portfolio news, Jan 2026 | £92M (own site) | 2026-11-04 | https://theinvestordatabase.com/investors/mercuri/ | | Seedcamp | VC firm | London, United Kingdom | Pre-seed, Seed | B2B, AI, Healthtech, Fintech | Portfolio news, Nov 2026 | | 2026-11-04 | https://theinvestordatabase.com/investors/seedcamp/ | | Redrice Ventures | VC firm | London, United Kingdom | Seed, Series A | B2B, Consumer, Marketplace, Healthtech | New fund, Feb 2026 | £45M (own site) | 2026-11-04 | https://theinvestordatabase.com/investors/redrice-ventures/ | | ESM Investments | Angel network | Stirling, United Kingdom | Seed, Growth | B2B, Fintech, Ecommerce, Generalist | Portfolio news, Mar 2026 | £25M (own site) | 2026-11-04 | https://theinvestordatabase.com/investors/esm-investments/ | | 13books Capital | VC firm | United Kingdom | Pre-seed, Seed, Series A | B2B, Fintech, AI, SaaS | Portfolio news, Oct 2026 | | 2026-11-05 | https://theinvestordatabase.com/investors/13books-capital/ | | Crane Venture Partners | VC firm | London, United Kingdom | Pre-seed, Seed | B2B, AI, SaaS, Cybersecurity | Portfolio news, Sep 2026 | | 2026-11-04 | https://theinvestordatabase.com/investors/crane-venture-partners/ | | Dawn Capital | VC firm | London, United Kingdom | | B2B, AI, Fintech, Cybersecurity | Portfolio news, Oct 2026 | | 2026-11-04 | https://theinvestordatabase.com/investors/dawn-capital/ | | Passion Capital | VC firm | London, United Kingdom | Pre-seed, Seed | B2B, AI, Fintech, Media | New fund, Apr 2026 | | 2026-11-04 | https://theinvestordatabase.com/investors/passion-capital/ | You are seeing 25 of 73. The full list adds 48 more investors and 402 named decision-makers. Get all 73 investors and 402 named contacts, $49, one-time: https://theinvestordatabase.com/buy/list/b2b-investors-uk This page: https://theinvestordatabase.com/lists/b2b-investors-uk/ ## Method and limits - Source: 3 of the 73 rows carry an SEC filing (Form D or Form ADV). All 73 have a website we checked. Filing date and fund size are SEC data where a filing exists. Stage, sector and check size are our research. - Inclusion rule: Organizations that back startups. Individuals, buyout funds and firms we found to be inactive are left out. Sector: the firm states B2B as a focus on its own site, or we observed it in the firm's portfolio. - Order: Activity score out of 100: recency of the latest fund filing or dated deal (35: full marks within 3 months, then stepping down at 6, 12 and 24 months), share of the observed portfolio in this sector (25; half of that when the sector is stated only), stated focus on the UK (15: full marks when the firm names the UK as where it invests, half when it says Europe or global), size of the fund on file on a log scale (15) and completeness of the public record (10). Regional focus is our research, not an SEC figure. It is a measure of activity and fit, not of quality or returns. - Fill rates: Of 73 rows: stage 69, sector 73, fund size 31, website 73. In the paid file: named decision-makers on 66 rows, firm email on 45, LinkedIn page on 55, check size on 43. ## Questions ### How many B2B investors in the UK are there? We list 73 as of November 2026. 30 of the 73 have a fund filing or a dated deal in the last 12 months. The cities with the most are London (49), Cambridge (2) and Edinburgh (1). ### Which B2B investors in the UK raised a new fund in the last 12 months? 3 of the 73 have a fund filing dated in the last 12 months. The most recent on this list are Brighteye Ventures (Sep 2026), Passion Capital (Apr 2026) and Redrice Ventures (Feb 2026). ### What is the typical fund size of B2B investors in the UK? Too few firms on this list disclose a fund size on an SEC Form D to give a median (2 of 73). 29 rows carry a size or assets figure from another public source, for example Atempo Growth at €800M (own site) and Fuel Ventures at £280M (own site). ### Which stage do most B2B investors in the UK back? Of the 69 with a stage on file, seed (49), pre-seed (29) and Series A (29). A firm can back more than one stage, and 4 rows have no stage on file yet. ### Where does the data on B2B investors in the UK come from and how often is it updated? 3 of the 73 rows have an SEC filing on file (Form D or Form ADV) and 70 were checked on the firm's own website or an official register. Filing date and fund size come from the filing. Stage, sector and check size are our research. Rows on this list were last checked on 9 Nov 2026 at the latest. The whole file is re-verified twice a year. ### Can I download the list of B2B investors in the UK as a spreadsheet? Yes. The file holds all 73 rows in Excel and CSV, with 402 named decision-makers and 45 firm emails, for $49 one-time. 25 rows are free on this page.