Gresham House Ventures — Full Portfolio

Metrion Biosciences provides ion channel screening and drug discovery services for pharmaceutical and biotech companies.

BiotechDeep TechMedical DevicesCambridge, GB

MRMarc Rogers(Founding Director)inJFJohn Ford(Founding Director)inKMKeith McCullagh(Founding Director)inLPLee Patterson(Chief Executive Officer)in

Co-investorsMAMaven Capital PartnersO2O2h Ventures

OnSecurity provides AI red teaming and penetration testing services to identify vulnerabilities in large language models and AI-powered applications.

AI & Machine LearningCybersecurityDeveloper ToolsEnterprise SoftwareSaaS

COConor O'Neill(Chief Executive Officer)DBDuncan Butchart(Chief Revenue Officer)inALAdam Luxford(Chief Operating Officer)in

Co-investorsOSOsney Capital

Popsa is a mobile and web platform that lets people turn photos from their camera rolls into physical keepsakes such as photo books, prints, calendars, and photo boxes, using AI-assisted layout and curation tools.

AI & Machine LearningConsumerDirect to ConsumerE-commerceLondon, GB

LHLiam Houghton(Co-founder)inTCTom Cohen(Co-founder)

Co-investors50500 GlobalPEPembroke VCTOCoctopus investmentsGUGuinness Ventures

01Health provides an AI-powered platform that enables local healthcare providers to deliver specialist care by embedding clinical protocols, expert oversight, and patient workflows into their practices.

AI & Machine LearningDigital HealthHealthtechSaaS

DSDr. Sonia Szamockiin

Co-investorsBABalderton CapitalBLBlue LionBLBlue Lion GlobalEKEka Ventures

Airfinity provides AI-powered predictive analytics, simulation, and forecasting for the life sciences industry, focused on medicine and vaccine demand forecasting across specific disease areas.

AI & Machine LearningBiotechHealthtech

RBRasmus Bech Hansen(CEO & Co-Founder)inSCSacha Carton(COO & Co-Founder)in

Co-investorsINIn-Q-TelMDMD One Ventures

ASK BOSCO is a digital marketing platform designed to help ecommerce businesses and marketing teams drive sales and growth through smarter marketing strategies.

AI & Machine LearningE-commerceMarketing TechSaaS

JRJohn Readman(Founder and CEO)in

Bella+Duke produces raw, nutritionally balanced pet food and supplements designed to support pet health and wellness.

ConsumerDirect to ConsumerE-commerceWellness & Fitness

MarkTony

Bidnamic is a software-enabled agency that helps ecommerce retailers scale their businesses efficiently by optimizing purchase intent to drive sales and profitability.

AdTechAI & Machine LearningE-commerceMarketing TechSaaS

LPLiam Patterson(Founder)in

Buster + Punch manufactures portable table lighting fixtures designed for indoor and outdoor use, with rechargeable battery power and touch-dimmable controls.

ConsumerDirect to ConsumerE-commerceHardwareLondon, GB

MBMassimo Buster Minale(Founder)in

Co-investorsMOMobeus Equity Partners

CitySwift is an Irish big data company providing a performance optimization platform to bus network operators worldwide, delivering actionable insights to improve operational efficiency, reliability, and passenger experience.

AI & Machine LearningData & InfrastructureLogistics & Supply ChainMobility & Transportation

BOBrian O'Rourke(Founder)in

Co-investorsACAct Venture CapitalACACT Venture CapitalWEWestern Development Commission

Cognassist provides cognitive assessments and neurodiversity support tools for educational institutions and workplaces to help individuals understand how they think and learn.

AI & Machine LearningEdTechHealthtechSaaS

CQChris Quickfall(CEO and Founder)inDRDan Rushton(Chief Product Officer)in

Connect Childcare provides management software for multi-site nursery groups, enabling centralized administration, billing, staff scheduling, and compliance tracking across multiple early childhood care facilities.

EdTechEnterprise SoftwareHR TechSaaS

CRChris Reid(Founder)in

Co-investorsDEDeepbridge Capital

Connect Earth provides a Sustainable Finance operating system that helps financial institutions assess portfolio sustainability, automate ESG reporting, and align investments with sustainability standards like the EU Taxonomy and SFDR requirements.

Climate TechData & InfrastructureFintechImpact & Social GoodUK, GB

Alex Lempka(CEO)inNCNick Carmont(Founding CTO)in

Co-investorsBEBeyond CapitalCRCreative Destruction Lab (CDL)DODouble DownENEntrepreneur FirstGLGlobal BrainLOLove Ventures+9 more

Countingup provides a combined accounting, bookkeeping, and tax platform for self-employed individuals and small business owners in the UK.

Enterprise SoftwareFintechLegalTechSaaSLondon, GB

TFTim Fouracre(Founder)in

Co-investorsFRFramework Venture PartnersFRFrontline VenturesMOMolten Ventures

Glide provides cross-chain wallet funding infrastructure for decentralized applications, enabling users to deposit cryptocurrency from any chain, wallet, or exchange without bridges or swaps.

Crypto & Web3Data & InfrastructureDeveloper ToolsEnterprise SoftwareNew York City, US

TSTushar Soni(Founder)inQTQinyu Tong(Founder)inAntonio Garcia Aprea(Founder)David Siegel(Founder)Gautam Ajjarapu(Founder)Jason Smith(Founder)in

Co-investorsY Y Combinator18186 VenturesACAcrew CapitalARArca FundsBEBenchmarkCMCMCC Global+4 more

Key Travel is a specialist travel management company serving faith-based organizations, charities, NGOs, non-profits, and academic institutions, offering negotiated missionary, humanitarian, and academic fares along with travel booking, reporting, and duty-of-care tools.

Enterprise SoftwareImpact & Social GoodSaaSTravel & Hospitality

SHSaad Hammad(CEO)in

Co-investorsELElysianKEKeiretsu Forum

Mojo is a mobile app for creating professional-quality videos for social media, offering design and video-editing tools to consumers and businesses.

ConsumerCreator EconomyMarketing TechMedia & EntertainmentParis, FR

FSFrancescu Santoni(Founder)inAlex Rodriguez(Founder)Bart Stein(Founder)MLMarc Lore(Founder)inVinit Bharara(Founder)Jean Patry

Co-investorsJOJoa CapitalPEPeterson Venture PartnersY Y CombinatorAGAgrolimen VenturesBEBetter CapitalKIKima Ventures+2 more

Mojo Vision develops micro-LED technology, positioning it as a platform for AI infrastructure and next-generation displays.

Deep TechHardwareSemiconductors

DPDrew Perkins(Founder)inNBNikhil Balram(Chief Executive Officer)inMWMike Wiemer(Chief Technology Officer)inGAG. Aaron James(General Counsel)inMichael Deering(Founder)Michael Wiemer(Founder)

Co-investorsARARC Angel FundARArgonautic VenturesBOBold Capital PartnersDIDisney AcceleratorDODolby Family VenturesFLFlucas Ventures+20 more

Much Better Adventures offers booking for guided outdoor and active travel trips, such as hiking, biking, and winter adventures, organized by departure month.

ConsumerImpact & Social GoodMarketplacesTravel & Hospitality

Co-investorsLOLondon Co-Investment Fund

Nu Quantum develops quantum networking solutions to enable commercial quantum computer scaling.

Deep TechHardwareQuantum ComputingCambridge, GB

CPCarmen Palacios-Berraquero(Founder)inMatthew Applegate(Founder)

Co-investors7P7percent VenturesAHAhren Innovation CapitalAMAmadeus Capital PartnersEMEMV CapitalEXExpeditionsIQIQ Capital+7 more

Ozone API provides open API technology and standards-compliant infrastructure that helps banks and financial institutions deliver open banking and open finance.

Cloud ComputingData & InfrastructureFintechSaaSLondon, GB

CMChris Michael(Founder)in

BoardHuw(Board member)Freddi(Board member)

Penfold builds digital pension products aimed at making retirement saving easier and more understandable for individuals.

FintechHR TechSaaS

Stuart Robinson(Founder)in

Co-investorsBRBridford Investments (Bridford Group)PLPlug and Play VenturesCOColler CapitalFUFuel Ventures

Pointr is a global technology provider of indoor mapping and positioning solutions that enables businesses to create location-based experiences and improve operations within physical spaces.

AdTechAI & Machine LearningData & InfrastructureEnterprise SoftwareIoTSaaSLondon, GB

Co-investorsCHChartline Capital Partners

RevLifter provides an intelligent offer platform for eCommerce merchants to deliver personalized promotions and product recommendations based on customer behavior and intent.

AI & Machine LearningE-commerceMarketing TechRetail Tech

RKRyan Kliszat(Co-founder)inSBSimon Bird(Co-founder)in

Co-investorsMAMaven Capital Partners

Rotageek provides workforce management and scheduling software for rota planning, including demand forecasting, labour modelling, auto-scheduling, time and attendance tracking, and leave management.

AI & Machine LearningFuture of WorkHR TechRetail TechSaaS

CMChris McCullough(Co-founder)inRoy Pounder(Co-founder)inNMNick Mann(Co-founder)in

Co-investorsCACalculus Capital Ltd.VEVenture FoundersVOVolution VenturesCACalculusGRGresham HouseMOMobeus Equity Partners+2 more

Ryft provides a data platform that combines flexibility and ease-of-use for data teams, offering vendor-neutral tooling without lock-in while maintaining streamlined workflows for analytics and data management.

AI & Machine LearningData & InfrastructureEnterprise SoftwareSaaS

Guy Gadon(Founder)Yossi Reitblat(Founder)Yuval Yogev(Founder)

Co-investorsBEBessemer Venture PartnersINIndex VenturesPEPembroke VCTCOCornerstone VCGRGrove VenturesSTStartup Funding Club

SciLeads provides a database and platform for identifying, engaging, and qualifying research scientists as sales prospects, serving B2B scientific companies globally with lead generation and market research capabilities.

BiotechData & InfrastructureMarketing TechSaaSSales Tech

LHLaura Haldane(Founder)in

Co-investorsTETechstart Ventures

Tembo builds a platform that serves as an operating layer for software engineering teams, providing secure execution, shared context, and workflow coordination for AI coding agents.

AI & Machine LearningCloud ComputingDeveloper ToolsEnterprise Software

RWRy Walker(Founder)inBenjamin Akar(Founder)Darren Baldwin Jr.(Founder)

Co-investorsGRGreatPoint VenturesALAlumni VenturesASAscensionCICincyTechCICintrifuse CapitalFIFireroad Ventures+11 more

Tembo is a digital mortgage broker that serves customers across the UK.

FintechPropTechLondon, GB

Co-investorsCOConduit ConnectFOFounders FactoryFOFounders Factory NYAVAviva Ventures

Tolerance is a compliance platform that runs continuous automated checks against the NIST 800-171 standard and collects assessor-ready evidence for teams handling Controlled Unclassified Information (CUI).

CybersecurityGovTechSaaS

Co-investorsDODorm RoomAMAmadeus Capital PartnersBEBen Franklin Technology PartnersBIBioAdvanceCOColumbus Venture PartnersCRCriteria Bio Ventures+5 more

TravelLocal connects travelers with handpicked local travel agents to create personalized itineraries and authentic destination experiences.

B2B MarketplacesMarketplacesTravel & Hospitality

Co-investorsACActive PartnersCHChannel 4 VenturesPUPuma Private Equity

TRIBE Hotels operates design-focused hotels offering affordable, comfortable rooms and social spaces aimed at budget-conscious travelers who value aesthetics.

ConsumerTravel & Hospitality

Co-investorsCACardinia VenturesTETechstars

Veremark provides continuous background screening, global verification, and compliance services for hiring teams across 180+ countries.

Enterprise SoftwareHR TechSaaS

DBDaniel Braithwaite(Founder)in

Co-investorsACACF InvestorsFEFelix JahnRERed Beard VenturesSASalica InvestmentsSTStage 2 CapitalVUVulpes Ventures+1 more

Virgin Wines sells curated wine and beverage cases, including mixed selections, seasonal reds, and craft beers, primarily to consumers for personal consumption or gifting.

ConsumerDirect to ConsumerE-commerceFoodTechUK, GB

JWJay Wrightin

Co-investorsMOMobeus Equity Partners

VivaCity operates in transportation technology, aiming to make cities smarter and more efficient.

AI & Machine LearningGovTechMobility & TransportationLondon, GB

MNMark Nicholson(Chief Executive Officer & Co-Founder)inYang(Co-Founder)Peter(Co-Founder)

Co-investorsTHThe FSE GroupLOLondon Co-Investment Fund