Oxford Investment Opportunity Network
Angel networkOxford · Pre-Seed–Series A
Find your way into Oxford Investment Opportunity Network
Investment thesis
Oxford Innovation Finance connects UK investors and early-stage companies through its OION angel network and Oxford Innovation EIS Growth Fund. It focuses on innovative science and technology startups developing breakthrough technologies aiming to transform industries and tackle global challenges. Investors gain access to carefully selected, tax-efficient (EIS/SEIS) opportunities and networking events, while founders receive support across the fundraising process including pitch refinement, follow-up meetings and due diligence guidance. Many investor members are successful entrepreneurs offering management expertise, contacts and industry knowledge alongside capital. The FCA-regulated network is described as one of the oldest, largest and most active angel investment networks in the UK.
Source: firm website, verified Aug 3, 2026.
What they invest in
from 7 of 8 portfolio companiesEnterprise Software ×4Fintech ×3AgTech ×2AI & Machine Learning ×2Deep Tech ×2Hardware ×2Biotech ×1Climate Tech ×1
HQs:United Kingdom×5
Investments · 8 tracked
founders shown can be your intro path
FA Bio (formerly FungiAlert) discovers unique soil microbes to develop microbial-based biocontrol and biostimulant products for growers, aiming to replace agrochemicals and reduce farming's environmental impact.
AgTechBiotechClimate Tech
Co-investorsClean Growth FundOxford Investment Opportunity Network (OION)Radicle GrowthSussex Place VenturesPymwymicShip2B Ventures
Mishcon de Reya is a law firm providing dispute resolution, corporate legal services, and private client advisory to businesses and individuals in Cambridge's innovation-driven sectors including healthcare and technology.
Enterprise SoftwareLegalTechLondon, GB
Co-investorsOxford Investment Opportunity Network (OION)
Hoxton Analytics provides hardware sensors, analytics dashboards, and feedback collection tools for retail and event venues to measure visitor traffic, conversion rates, and capture real-time customer feedback through voice and QR code interfaces.
AI & Machine LearningHardwareRetail Tech
Co-investorsOxford Investment Opportunity Network (OION)R/GA Ventures
HSBC Innovation Banking provides banking services to innovation-economy businesses and their investors.
Enterprise SoftwareFintechLondon, GB
Co-investorsOxford Investment Opportunity Network (OION)Upscale
Dealum provides software tools for business angel networks and investor groups to manage operations, collaborate, and streamline deal-making processes.
Enterprise SoftwareFintechSaaS
Rain Kivisik(Founder)
Co-investorsAggie Angel NetworkAngel ForumBusiness Angels Club Berlin-Brandenburg e.V.Central Texas Angel NetworkDakar Network Angels (DNA)DanBAN+13 more
Oxford Investment Opportunity Network (OION) is a business angel network that connects investors with early-stage, high-growth UK companies eligible for EIS or SEIS tax relief.
AgTechAI & Machine LearningDeep TechEnterprise SoftwareFintechSector AgnosticOxford, GB
Oxford Space Systems designs and manufactures deployable antennas for satellites, focused on reducing mass and improving stowage efficiency and performance.
Deep TechHardwareSpace TechHarwell, GB
Sean Sutcliffein
Co-investorsCambridge Angels groupEMV CapitalFuture Planet CapitalLongwall Venture Partners LLPMartlet CapitalOxford Investment Opportunity Network (OION)+4 more
Other
Tracked investments with no reachable website or further public details — typically companies that wound down, renamed, or were absorbed.
LEO Leading Edge Only
Portfolio news
latest coverage across their companiesPrincipals & officers · per Companies House
what is this? ⓘSecretary & Director · since 2016
Director · British · since 2020
Director · British · since 2015
Director · Danish · since 2017
Frequently asked questions
- How many investments has Oxford Investment Opportunity Network made?
- Oxford Investment Opportunity Network has 8 tracked investments.
- What stage does Oxford Investment Opportunity Network invest at?
- Oxford Investment Opportunity Network invests at the Pre-Seed, Seed, Series A stages.
- What is Oxford Investment Opportunity Network's typical check size?
- Oxford Investment Opportunity Network typically writes checks of $190K – $2.5M.
- What sectors does Oxford Investment Opportunity Network focus on?
- Oxford Investment Opportunity Network focuses on AI & Machine Learning, Biotech, Deep Tech, Sector Agnostic.
- Where is Oxford Investment Opportunity Network located?
- Oxford Investment Opportunity Network is headquartered in Oxford, GB.
- Who does Oxford Investment Opportunity Network co-invest with?
- Oxford Investment Opportunity Network most often shares deals with Oxford Investment Opportunity Network (OION), EMV Capital, Golden Seeds, among 35 tracked co-investors.
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