216 UK series A investors funding startups (free list)
Series A investors backing UK startups with traction and growth.
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)
| Series A VCs | Investment Focus | Startup Investments | Round Size | Connect |
|---|---|---|---|---|
 MMC Ventures( ) MMC Ventures is a London-based venture capital firm that has backed early-stage,... London  | Fifth DimensionTracebitStanhope AITangible+21 | |||
 Moguntia Capital( ) London | Raft | |||
 Molten Ventures( ) Molten Ventures focuses on technology-driven companies across various sectors. T... London | MAIA TechnologyModo EnergyPolyModels HubDuel+10 | |||
 Moonfire Ventures( ) Moonfire Ventures LLP is a venture capital firm based in London that focuses on ... London | MokNNeuphonicStanhope AISigmaOSLightdash+1 | |||
 Mosaic Ventures( ) London | Vektor AIInfoSum | |||
 Mouro Capital( ) Mouro Capital is a venture capital firm specialising in fintech innovations. The... London | HyperlayerBurbankKriya | |||
 | YurtleChatterbox LanguagesWinnow | |||
 Mvm Life Science Partners( ) MVM is a venture capital firm specialising in high-growth healthcare businesses ... London | ||||
 Nauta Capital( ) Nauta is a venture capital firm focused on investing in early-stage B2B software... London | UnravelZeltESProfilerNumberEightSpotted Zebra+1 | |||
 Newable Ventures( ) Newable is a venture capital firm focused on helping businesses thrive, particul... London | Delta gPsyomics | |||
 Freston Ventures( ) Freston Ventures is a growth equity investor focusing on innovative and disrupti... London | ||||
 NLC Technology Ventures( ) London | ||||
 No Label Ventures( ) No Label Ventures focuses on supporting immigrant entrepreneurs in Europe, recog... London | ZangoVega11xAI | |||
 | ImperagenIceotopeAmpliSiCytotraitOptalysys+13 | |||
 Northstar Ventures( ) Northstar Ventures invests in early and later stage, high growth companies focus... Newcastle | H2CHPNunaBioMySalesCoachMoralboxNewcells+2 | |||
 Northzone( ) Northzone is a multi-stage venture capital fund that invests in founders from Se... London | SonaSolveAISeamflowStreamIconicNivoda+8 | |||
 Notion Capital( ) Notion Capital is an early-stage venture capital firm that specialises in softwa... London | OpenTradeDexOriginIsembardBoundFALKIN+19 | |||
 Novator Partners( ) Novator is an international private equity and growth equity investor, founded i... London | Numan | |||
 Falco Capital( ) London | Juice | |||
 Ember Partners( ) Ember Partners is a venture capital firm focused exclusively on investing in Eur... London | ||||
 | BenAsporaRobin AI | |||
 Octopus Ventures( ) This venture capital firm focuses on investing in sectors such as B2B Software, ... London | GreenpixieFlexzo AIAutomataInfinitopes+41 | |||
 Redrice Ventures( ) Redrice Ventures is a UK-based venture capital firm specialising in premium cons... London | EpetomePuresportUntamedCoopahLovetovisit+2 | |||
 Old College Capital( ) Old College Capital (OCC) is the University of Edinburgh’s venture investment fu... Edingburgh | Exergy3BiolibertyVerbaFloBIOCAPTIVANeuranics+6 | |||
 One Peak Partners( ) One Peak is a venture capital firm that focuses on investing in global software ... London | EllipticThreatAwareiplicitPaysend | |||
 Oskare Capital( ) Óskare Capital, headquartered in Paris and London, specialises in venture-stage ... London | Leva Clinic | |||
 | OQC | |||
 Outrun Ventures( ) Building Capital is an angel investment firm focused on supporting FinTech found... London | iCustoms.AIRailsr | |||
 | FirenzeonedayMonqAdclearVeridoxCurve+4 | |||
 Oxford Capital( ) Oxford Capital is a venture capital firm based in Oxford, specialising in early-... London | Archangel LightworksNoggin HQLegislateLog my Care | |||
 Oxford Science Enterprises( ) The firm focuses on investing in Life Sciences, Health Tech, and Deep Tech, prim... Oxford | Caudal EnergyAscensionArchangel Lightworks+19 | |||
 Mercia Ventures’ North East Venture Fund( ) Mercia focuses on investing in innovative SMEs across various sectors including ... Henley-in-Arden | SurffGo SwagStudentCrowdAlesi Surgical+21 | |||
 Oxx( ) Oxx is a venture capital firm that focuses on investing in B2B SaaS companies ac... London | CyberSmart | |||
 Oxford University Innovation( ) Oxford | Scripta TherapeuticsDaltonTx Raises £4M in Seed Financing | |||
 Panoramic Growth Equity( ) London | ||||
 Par Equity( ) This venture capital firm, founded in 2008, operates from offices in Edinburgh a... Edinburgh | StretchSenseOrbital Marine PowerFuuseCSignum+4 | |||
 Parkwalk Advisors( ) Parkwalk is a leading UK growth fund manager focused on investing in world-chang... London | BrainomixScripta TherapeuticsNoBACZTrismik+13 | |||
 Passion Capital( ) Passion Capital is a venture capital firm focusing on early-stage investments in... London | SAPIXelixTealRound TreasuryMonzo+4 | |||
 Pembroke VCT( ) Pembroke VCT is a c.£230m+ fund established in 2013, focusing on growth-stage in... London | KaizanServe FirstBolt InsightCybaVerseRyft+5 | |||
 Penta Capital( ) Penta Capital is an independently owned Private Equity firm focused on the mid-m... London | CellPoint Digital | |||
 Pentech( ) London | nPLanCausaly | |||
 | VerbaFloElyos AICyb3r OperationsAmbr Technologies+3 | |||
 | NunaBioNuVision BiotherapiesFemale-led ImmuONEImmuONE | |||
 Piton Capital( ) Piton Capital focuses on investing in online businesses characterised by network... London | HungryPanda | |||
 Playfair Capital( ) The venture capital firm focuses on providing an unfair advantage to founders, s... London | RefuteJack & JillYASOStackOnePassionfruit+6 | |||
 | RalioOmniscientHypercriticalIntelligent Core+11 | |||
 | Orbital IndustriesCircuitHubRivanAugurCallosum+8 | |||
 GHO Capital( ) London | ||||
 Forestay Capital( ) Forestay is a venture capital firm focused on backing exceptional teams in Enter... London | Luminance | |||
 Polymorphic Capital( ) Morphing Ahead of Paradigms is a venture capital firm that focuses on investing ... London | DueOwnera | |||
| All VC firms | All investor sectors | All funded startups | All funding rounds |
Click here for a full list of 801 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.
