# Martlet Capital: portfolio, investments and team > Martlet Capital is a vc firm based in United Kingdom. 3 investments on record, latest Aug 2025. Portfolio, stages, co-investors and team. Source: https://millionrounds.com/fund/martlet (Millionrounds; every figure on the page links to its filing or article) United Kingdom · [Investor](https://millionrounds.com/investors) # Martlet Capital Last cheque observed Aug 2025. Silence since then is not evidence of inactivity: our sources miss unannounced rounds. Email Quiet VC firm Pre-seed Seed Series A Semi-conductor Nanotech Nanotechnology Follow Martlet Capital and see its new cheques in your feed. [Start following](https://millionrounds.com/login?join=1&why=follow&next=%2Ffund%2Fmartlet) Cheques on record **0%** of best year **0** **cheques in 12 months**, 3 on record Since the last cheque **457** days **00** hrs **00** min **00** sec Median round **$55M** Cheque size, as they say **$200K – $300K** Rounds led **0 of 3** Sole investor **1 rounds** Pitch Martlet Capital ## Martlet Capital highlights - 01 3 rounds on record - 02 Mostly Venture and Series C: 100% of its rounds - 03 Sole investor in 1 rounds, median undisclosed ## What they do > Martlet Capital is a pre-seed and seed stage investor based in Cambridge, providing patient capital to deep technology and life science startups with high growth potential. From their own website - **Type:** VC firm (from a list, unverified) - **Cheque size:** $200K – $300K as they say - **Stages:** Pre-seed Seed Series A - **Sectors:** Semi-conductor Nanotech Nanotechnology - **Based in:** Cambridge, United Kingdom - **Cold pitches:** Not stated ## The record Every round we can evidence, newest first **3 appearances** - **2025** 1 round - **Aug** **[Paragraf](https://millionrounds.com/company/paragraf)** Series C · GB · Firms' own news pages **$55M** With 9 others - **2012** 1 round - **Nov** **[Captive Media](https://millionrounds.com/company/captive-media)** Venture · GB · techcrunch.com **$700K** With 1 other - **1999** 1 round - **Nov** **[The Gay Financial Network](https://millionrounds.com/company/the-gay-financial-network)** Venture **Undisclosed** Sole investor An announcement gives the size of the round, not the size of this investor's cheque: the only rounds that imply a cheque are those where they were the sole named investor. ## The team We hold **5** people at this firm from the lists this database was built from: a weaker source than the filings, since a list does not say when a title ended. Login to see them. ## What the register says From the firm's own filings with the UK company register, which it must file accurately by law - **Companies House:** 13363008, since 2021 ## What they claim to have backed From their own portfolio page (on their website) **33** of 46 we have independently watched raise [Abcam](https://millionrounds.com/company/abcam)[Allfocaloptics](https://millionrounds.com/company/allfocal-optics)[Arachnys](https://millionrounds.com/company/arachnys)[Converge](https://millionrounds.com/company/converge)[Dogtooth](https://millionrounds.com/company/dogtooth)[Focalpointpositioning](https://millionrounds.com/company/focal-point-positioning)[Frontier](https://millionrounds.com/company/frontier)[Iesohealth](https://millionrounds.com/company/ieso-digital-health)[Infinitopes](https://millionrounds.com/company/infinitopes)[Kaliumhealth](https://millionrounds.com/company/kalium-health)[Nobacz](https://millionrounds.com/company/nobacz)[Nu-quantum](https://millionrounds.com/company/nu-quantum)[Nunabio](https://millionrounds.com/company/nunabio)[Octaipipe](https://millionrounds.com/company/octaipipe)[Oxford](https://millionrounds.com/company/oxford-space-systems)[Paragraf](https://millionrounds.com/company/paragraf)[Patientsource](https://millionrounds.com/company/patientsource)[Pencilbiosciences](https://millionrounds.com/company/pencil-biosciences)[Pervasid](https://millionrounds.com/company/pervasid)[Pharmenable](https://millionrounds.com/company/pharmenable)[Plumis](https://millionrounds.com/company/plumis)[Porotech](https://millionrounds.com/company/porotech)[Psyomics](https://millionrounds.com/company/psyomics)[Qkine](https://millionrounds.com/company/qkine)[Radiantmatter](https://millionrounds.com/company/radiant-matter)[Robok](https://millionrounds.com/company/robok)[Semarion](https://millionrounds.com/company/semarion)[Signaloid](https://millionrounds.com/company/signaloid)[Sorexsensors](https://millionrounds.com/company/sorex-sensors)[Spotta](https://millionrounds.com/company/spotta)[Strolll](https://millionrounds.com/company/strolll)[Techspert](https://millionrounds.com/company/techspert)[Xampla](https://millionrounds.com/company/xampla) Aivivo Axolbio Camgandevices Camnutra Cookiedatabase Echiontech Flussoltd Foventa Morchella Myrtle Transparentchoice Tripism Vantage-power Weaker than a round we watched, stronger than a list somebody sold us. A firm is far less willing to put a company on its own site that it never funded. ## The cheque Pre-seed Seed Series A Median round joined **$55M** the round, not its cheque Alone, median **-** Led 0 of 3 rounds **0%** - **Said size:** $200K – $300K - **Sole investor:** 1 rounds - **Last cheque:** Aug 2025 Rounds by stage said on their site - Venture *2* - Series C *1* - Pre-seed said *-* - Seed said *-* - Series A said *-* Cheques by month Led Joined Dec 2023 Nov 2026 **Pitching Martlet Capital?** Put them on your fundraising board with this record on the card, and follow them to hear when they write a new cheque. Add to your CRM *→* ## Recently backed The latest companies Martlet Capital put money into. [**Paragraf** $55M · Aug 2025](https://millionrounds.com/company/paragraf) ## Quick answers about Martlet Capital ### What does Martlet Capital invest in? Martlet Capital invests most often at Venture and Series C (100% of the rounds on record), in sectors such as Semi-conductor, Nanotech and Nanotechnology. ### How active is Martlet Capital? 3 investments on record, 0 of them in the last 12 months. The most recent was in Aug 2025. ### What has Martlet Capital invested in recently? Its most recent investments on record: Paragraf (Series C, Aug 2025). ### How big are Martlet Capital's cheques? The median round it joins is $55M. It says it writes cheques of $200K to $300K. ### Is Martlet Capital investing now? No investments in the last 12 months; the latest was in Aug 2025. ### What kind of investor is Martlet Capital? Martlet Capital is a VC firm based in Cambridge, United Kingdom. ### When was Martlet Capital founded? Martlet Capital was founded in 2011. ### Where does this information on Martlet Capital come from? From 3 articles and filings naming it in a round, public registers and its own website, checked and rebuilt every night. ## Raising now? Find the investors who back rounds like yours, and keep every conversation on one fundraising board. Find similar investorsOpen your CRM Built from the rounds we watched, its filings and its own website, refreshed every night. [How we count](https://millionrounds.com/methodology) · [Report a correction](https://millionrounds.com/corrections?slug=martlet) · [Is this your firm? Claim it](https://millionrounds.com/claim?org=martlet)