216 series A investors funding UK startups (free list)
Find investors funding UK startups with traction, revenue and growth signals.
Updated daily by John-Pierre ClarkLatest Series A VC Activity
RQ Bio raises £87.1m led by Frazier Life Sciences and EQT Life Sciences
24 June 2026
Updated daily by John-Pierre Clark| Series A VCs | Investment Focus | Startup Investments | Round Size | Connect |
|---|---|---|---|---|
 Index Ventures( ) Index Ventures invests in visionary founders across diverse industries, prioriti... London  | ||||
 AlbionVC( ) AlbionVC focuses on early-stage investments in the UK, specialising in software,... London | ||||
 Oxford Science Enterprises( ) The firm focuses on investing in Life Sciences, Health Tech, and Deep Tech, prim... Oxford | ||||
 Mercia( ) Mercia is a venture capital firm focused on fuelling UK business ambitions throu... Manchester | ||||
 Mercia Ventures’ North East Venture Fund( ) Mercia focuses on investing in innovative SMEs across various sectors including ... Henley-in-Arden | ||||
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 Playfair Capital( ) The venture capital firm focuses on providing an unfair advantage to founders, s... London | ||||
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 AVP (AXA Venture Partners)( ) AVP focuses on investments in sectors related to technology and innovation, spec... London | ||||
 Frontline Ventures( ) Frontline is a venture capital firm specialising in backing B2B founders with gl... London, Dublin | ||||
 Hoxton Ventures( ) Hoxton Ventures is a European venture capital firm with a focus on early-stage i... London | ||||
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 Balderton Capital( ) Balderton Capital is a venture capital firm focusing primarily on technology and... London | ||||
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 Cornerstone VC( ) Cornerstone is a venture capital firm that focuses on investing in the sectors o... London | ||||
 Dawn Capital( ) Dawn Capital focuses on investing in European B2B software companies. They targe... London | ||||
 IQ Capital( ) IQ Capital is a dedicated European deep tech venture capital firm, specialising ... London, Cambridge | ||||
 Molten Ventures( ) Molten Ventures focuses on technology-driven companies across various sectors. T... London | ||||
 Meltwind( ) Meltwind Advisory LLP focuses on early-stage investments in the life sciences se... Cambridge | ||||
 MMC Ventures( ) MMC Ventures is a London-based venture capital firm that has backed early-stage,... London | ||||
 Anthemis( ) Anthemis Group is a venture capital firm focused on reinventing finance to creat... London | ||||
 Maven Capital Partners( ) Maven is a leading UK private equity firm specialising in buyouts, growth capita... London | ||||
 Apposite Capital( ) Apposite Capital is a healthcare impact investor focused on Europe, specialising... London | Apposite | |||
 Northzone( ) Northzone is a multi-stage venture capital fund that invests in founders from Se... London | ||||
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 Amadeus Capital Partners( ) Amadeus Capital Partners is a deep tech venture capital firm, investing since 19... London | ||||
 General Catalyst( ) GC is an investment and transformation company that partners with entrepreneurs ... London | ||||
 Expedition Growth Capital( ) London | MDOTMThreatSpike | |||
 Scottish Enterprise( ) The firm focuses on supporting early-stage and growing companies in Scotland, of... Glasgow | VASO GlobalAveniExergy3QuantcoreRegeno+28 | |||
 PXN Ventures( ) PXN Ventures is a UK-based venture capital firm focused on backing high-growth c... Manchester | ||||
 | Lucida AIKaizanPayrBolt InsightSprive+1 | |||
 | CirceusShop CircleTatumKaia HealthGamee+11 | |||
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 Puma Growth Partners( ) Partners for Growth is the private equity division of Puma Capital Group, invest... London | ||||
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 | TRIMTECH TherapeuticsUndoTrent AIBeyondMath+10 | |||
 Deep Science Ventures( ) The firm is a venture creator focused on five sectors: Restorative Cultivation, ... London | Houdini BioXONAIAntiverseRhizocoreAquature+20 | |||
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 Northern Powerhouse Investment Fund II( ) The Northern Powerhouse Investment Fund (NPIF) focuses on providing finance to s... Sheffield | SilverayRightbrainMySalesCoachGW Power-Safe+12 | |||
 Firstminute Capital( ) firstminute capital is a seed-stage venture firm focused on investing in the UK,... London | Frontier HealthCodeWordsClaimSortedOntik+39 | |||
 | Frontier HealthPhysicsXDexoryElectric Twintem+12 | |||
 Finance Yorkshire( ) Finance Yorkshire provides funding to small and medium-sized enterprises (SMEs) ... Barnsley | Spoon CerealsEnvokeBOW | |||
 Triple Point Ventures( ) This venture capital firm specialises in high-conviction seed capital, focusing ... London | FortusHandshakeAsterix HealthLateralFALKIN+13 | |||
 | FortusmyHappymindUniHomes15belowKick ICT+1 | |||
 | OpteraVestdThird Space LearningSAMP Technology+19 | |||
 Blackfinch Ventures( ) Blackfinch Group is a dynamic investment group focused on creating a positive im... Gloucester | OpteraH2CHPThird Space Learning+13 | |||
 | OpteraHexigoneQuberTechSpotlight Pathology+12 | |||
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UK Series A Investors and Why They Matter
💡 This page features the most active UK investors writing Series A cheques. These are the firms backing startups that have moved beyond early validation and are ready to scale.
Whether you are preparing to raise your first institutional round or building relationships ahead of time, this list helps you identify the right investors by sector, stage and typical cheque size.
Looking for other types of investors? Explore our dedicated lists for angel investors, pre-seed VCs, seed VCs, or browse venture capital firms by sector.
Why Series A matters for your startup
Series A funding is where investors shift from backing ideas to backing proven businesses. The focus moves to repeatability, scale and execution. Startups raising Series A typically show clear product–market fit, early but consistent traction, and a credible plan for growth.
A successful Series A round can enable you to hire senior talent, professionalise operations, expand into new markets and access strategic support that accelerates growth.
What Series A investors are looking for
- Strong traction: recurring revenue, solid user growth or repeatable sales.
- Clear metrics: retention, unit economics and data that shows momentum.
- A scalable plan: a realistic path to larger markets and future rounds.
- Team credibility: founders and leaders capable of executing at scale.
Below is a curated list of active Series A VCs and investors in the UK, with links to websites, LinkedIn profiles and contact details. Use the filters to narrow by sector or location before starting outreach.
216 Most Active Series A Investors In The UK
Series A VCs and investors (websites, linkedin and twitter accounts)
Click here for a full list of 876 UK VC Funds
How to use this Series A investor list
Series A investors are selective and stage-specific. This list works best when used to build a focused shortlist rather than broad outreach. Start by identifying investors that actively back your sector and business model, then review recent investments to understand cheque sizes and expectations.
- Shortlist 5–10 investors with clear sector alignment
- Review recent portfolio companies and typical round sizes
- Look for warm introduction paths through founders, angels or operators
- Tailor your pitch to metrics, execution and growth plans, not just vision
Are you ready for Series A?
Most UK Series A investors expect clear product–market fit and evidence that growth is repeatable. There is no fixed rule, but founders raising Series A often show:
- Consistent revenue or strong, sustained usage growth
- Retention data that demonstrates customer value
- A scalable acquisition or sales model
- A credible plan for deploying capital over the next 18–24 months
If you are still validating your product or experimenting with pricing, exploring pre-seed or seed investors may be a better next step for now.
What to do next
Once you have shortlisted investors, focus on preparation. Strong Series A rounds are driven by clarity: clean metrics, a compelling growth narrative and a realistic operating plan. Many founders start by pressure-testing their pitch and assumptions before outreach. If you want help understanding how investors will view your metrics or positioning, you can explore related resources or upgrade for deeper investor insights and advanced filters.
Frequently asked questions
Series A investors back startups that have moved beyond the earliest stages and are showing traction, customer growth or recurring revenue. These investors usually help companies scale teams, operations and go-to-market activity.
Series A investors often look for product-market fit, strong growth potential, clear market demand and evidence that the startup can scale. Metrics such as revenue growth, retention and customer traction are usually important at this stage.
Series A investment sizes vary depending on the sector and investor, but rounds are usually larger than seed funding and are designed to help startups accelerate growth and expand operations.
Founders should approach Series A investors with a clear growth story, traction metrics, financial projections and evidence of market demand. Warm introductions and strong investor fit can significantly improve fundraising outcomes.
This list includes UK Series A investors backing startups across multiple sectors and stages. The full database includes additional investor details and filters to help founders identify relevant investors faster.
