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Portfolio Ventures is a London, England-based early-stage investment firm founded in October 2014 by Will Martin and Will Brooks. The firm functions as a venture capital business and an angel network, providing finance to startups and entrepreneurs primarily within the UK technology ecosystem.
Its investment strategy targets companies in sectors such as Fintech, Insurtech, B2B SaaS, and Enterprise Software, with typical cheque sizes ranging from £100,000 to £500,000. Portfolio Ventures is registered as a limited company in England and Wales and is authorized and regulated by the UK.
Key people at Portfolio Ventures.
Portfolio Ventures focuses its investments on UK-based companies within the Fintech, Insurtech, B2B SaaS, and Enterprise Software sectors.
Yes, Portfolio Ventures Limited is a limited company registered in England and Wales and is authorized and regulated by the UK.
Portfolio Ventures focuses its investments on UK-based companies within the Fintech, Insurtech, B2B SaaS, and Enterprise Software sectors.
Yes, Portfolio Ventures Limited is a limited company registered in England and Wales and is authorized and regulated by the UK.
Key people at Portfolio Ventures.
Portfolio Ventures is an early-stage investment firm established in October 2014 by co-founders Will Martin and Will Brooks. Headquartered in London, England, the firm operates as a venture capital business and an angel network, focusing on the burgeoning UK startup landscape.
The firm's investment thesis is centered on specific technology verticals. It actively seeks opportunities within Fintech, Insurtech, B2B SaaS, and Enterprise Software sectors, identifying companies with potential for growth and innovation in these areas.
Portfolio Ventures provides early-stage finance to selected startups and entrepreneurs. Its typical investment range involves cheques between £100,000 and £500,000, aiming to support companies in their foundational stages of development and expansion.
As a regulated entity, Portfolio Ventures Limited is registered in England and Wales under company number 08997003. The firm is authorized and regulated by the UK, ensuring its operations comply with established financial guidelines.
Both Will Martin and Will Brooks have prior experience in the venture ecosystem, having been involved in raising funding for over 120 early-stage companies before establishing Portfolio Ventures. This background informs their approach to identifying and supporting new ventures.
| Date | Company | Round | Lead Investor(s) | Co-Investor(s) |
|---|---|---|---|---|
| Feb 11, 2026 | Overmind | $2.7M Seed | Osney Capital | 14Peaks Capital, Antler, Endurance Ventures |
| Feb 11, 2026 | Overmind | $273.0M Seed | Osney Capital | 14Peaks Capital, Antler, Endurance Ventures |
| Dec 17, 2025 | Maximum Information | $3.1M Seed | Dom Nolan | Convex, Liberty Mutual Strategic Ventures |
| Dec 12, 2025 | Conveyd | $3.3M Seed | Jon Coker | Eileen Burbidge, Mark Ransford, Richard Harrison, Founders Factory |
| Dec 4, 2025 | Curvestone AI | $4.0M Seed | Kevin Mcloughlin | Boost Capital Partners, D2 |
| Nov 26, 2025 | Monq | $3.0M Pre-Seed | Devin Kohli | Cornerstone VC, Endurance Ventures, Lakestar, Octopus Ventures |
| Oct 8, 2025 | Dragonfly | $3.5M Pre-Seed | — | Markus Villig, Sam Bourton, Dreamcraft Ventures |
| Sep 1, 2025 | Yaso | $11.0M Series A | Ben Leslie | Haatch, Passion Capital, Playfair Capital, Will Martin, Founders Capital, Guinness Asset Management, Koro Capital, Nodes Ventures, Sequel |
| Jul 1, 2025 | Bitfount | $8.0M Series A | — | Business Growth Fund, Parkwalk Advisors, Ahren Innovation Capital, Foresight Group, Pace Ventures |
| Mar 1, 2025 | Swap | $40.0M Series B | ICONIQ Capital | 11, 3VC, 645 Ventures, Andreessen Horowitz, C2 Investment, Cherry Ventures, DTCP, Endeavor Catalyst, Greylock, GS Futures, Mosaic Ventures, NFX, O'Reilly AlphaTech Ventures, Outrun Ventures, Playfair Capital, Primo Ventures, QED Investors, sequel, Sterling Equity, Anjney Midha, Bartek Pucek, Bradley Horowitz, Brendan Iribe, Deborah Liu, Mattia Astori, Mike Krieger, Paul Forster, Phillip Chambers, Siqi Chen, 9900 Capital |
| May 1, 2024 | Made With Intent | $2.0M Seed | Mercuri | Jean de Fougerolles, Episode 1 Ventures, Pareto Holdings, Playfair Capital, Workday Ventures, Charlie Songhurst, Haatch Ventures |
| Mar 1, 2024 | StackOne | $4.0M Seed | — | Cherry Ventures, Episode 1 Ventures, iNovia Capital, Pareto Holdings, Playfair Capital, Workday Ventures, Abe Burns, Charlie Songhurst, Michael Levinthal, Paul Forster, Will Martin, Charlie Songhurst, Sequoia Capital |
| Dec 1, 2023 | Triple | $8.0M Seed | Jens Schleuniger | Balderton Capital, Cavalry Ventures, Molten Ventures, sequel, Sequoia Capital, Charlie Songhurst, Lucas Cranach, Paul Forster, Pedro Tortosa, Form Ventures, Main Incubator |
| Dec 1, 2023 | Harriet | $2.0M Seed | Concept Ventures | sequel, Omid Ashtari, Frontline Ventures, Notion Capital |
| Oct 31, 2023 | Sprout.ai | $6.6M Other Equity | Amelia Armour, David Foreman | Capricorn Capital Partners, Forefront Venture Partners, Verstra Ventures |
| Jul 1, 2023 | Thingtrax | $6.0M Seed | Alexander Stroud, Ben Leslie, Mads Jensen | Jenny Fielding, Scott Hartley, Love Ventures, Pioneer Fund, Juney Ham, Michael Pennington, Rayn Ong, Roger Dickey, Will Brooks, Charlie Songhurst, Fred Soneya, Vinci Venture Capital |
| May 1, 2023 | Deployed | $4.0M Seed | M12, Hugo Chardon | Angel Academe, HERmesa, Mayfield |
| May 1, 2023 | Orbital Witness | $8.0M Series A | Paul Hurst | Hambro Perks, High Alpha, Kickstart Fund, Frederic Kerrest, LocalGlobe, Outward VC, Realty Corporation, Seedcamp |
| Mar 1, 2023 | Connect Earth | $6.0M Seed | Benjamin Faulkner | Albion VC, FINTOP Capital, Market One Capital, Outrun Ventures, Passion Capital, Mik Attisani, Will Martin, Global Brain, Love Ventures, Mustard Seed Maze, Norinchukin Bank, Super Capital, Venista Ventures |
| Jan 1, 2023 | Yaso | $2.0M Seed | Playfair Capital | Albion VC, Haatch, Outrun Ventures, Passion Capital, Sequoia Capital, Mathilde Collin, Mik Attisani, Nicolas Pinto, Will Martin, Joshua Stevens, Will Neale, Unbundled VC |
| Dec 8, 2022 | EHAB | $1.2M Other Equity | Richard Chattock | LEFA Enterprises, Will Brooks |
| Nov 1, 2022 | 5Mins | $6.0M Seed | Albion VC | 9Yards Capital, Accomplice VC, All Iron Ventures, Altair Capital Management, Andreessen Horowitz, AngelList Syndicator, Angular Ventures, Antler, Atlassian Ventures, AV8 Ventures, Balderton Capital, Band of Angels, Bessemer Venture Partners, Chalfen Ventures, Creator Fund, Deep Fork Capital, DST Global, Episode 1 Ventures, Felix Capital, Fika Ventures, FirstMark Capital, First Round Capital, Foundamental, F-Prime Capital Partners, Fuel Ventures, GSV Acceleration, Hoxton Ventures, Iterative, Lakestar, LAUNCHub Ventures, Madrona Ventures, Mucker Capital, Outrun Ventures, Passion Capital, Plug & Play Ventures, Polygon, Sequoia Capital, Touchdown Ventures, Uncorrelated Ventures, Vorwerk Ventures, Alexander El Gammal, Azeem Azhar, Balaji Srinivasan, Charles Delingpole, Charlie Songhurst, Chris Schagen, Christian Faes, Daniel Gandesha, Daniel Graf, Dennis Aogo, Doug Monro, Evan Moore, Henry Rouquairol, Ian Hogarth, Ilya Kondrashov, James Isilay, James Meekings, Jan Deepen, Jan Wilmking, Jeremy Yap, Martin Henk, Mike Hudack, Oscar Pierre, Paul Massara, Prashant Malik, Ran Makavy, Scott Belsky, Sherry Coutu, Stefan Jeschonnek, Surojit Chatterjee, Tom Blomfield, Tony Jamous, Will Brooks, Will Martin, Blue Lion Global, Philippe Dufour |
| Nov 1, 2021 | DeepStream | $7.0M Series A | Beringea | Will Brooks, Conviction, Seed X |
| Dec 1, 2020 | EverlyWell | $180.0M Series D | — | Alpine Ventures, Goat Capital, Goodwater Capital, Jigsaw VC, Jude Gomila Rolling Fund, Lionheart Ventures, MS&AD Ventures, Passion Capital, Saga, Stride VC, Errol Damelin, Ian Hogarth, Louis Beryl, Sam Altman, Sean Park, BlackRock, Foresite Capital, Greenspring Associates, Highland Capital Partners, Morningside Ventures, The Chernin Group |
