🦊/Investors

Mercia Ventures β€” Full Portfolio

56 tracked investments Β· listed companies and verified rows first

Alesi Surgicalalesi-surgical.comin𝕏Apr 2026βœ“ verified

Alesi Surgical develops surgical products by combining product development expertise with commercial knowledge of surgical team needs.

HardwareHealthtechMedical DevicesCardiff, GB

Dominic Griffiths(CEO)in

Co-investorsPanakes PartnersIW Capital

Semble Londonsemble.ioinβœ“ verified

Semble operates a clinical platform for outpatient and private healthcare providers, helping them coordinate care and manage the patient journey through a unified care-orchestration system with AI capabilities.

Digital HealthHealthtechSaaS

Christoph Lippuner(CEO & Co-founder)inMikael Landau(Co-founder)in

Co-investorsOctopus VenturesRevaiaInHealth VenturesSalica Investments

TaiSantaisan.co.ukinJul 2026βœ“ verified

TaiSan develops sodium batteries and works with operators, OEMs and research institutions to deploy them into vehicle fleets.

Advanced ManufacturingCleantechEnergyHardwareNew Materials

Co-investorsAdelineEIT InnoEnergyAFI VenturesEos AdvisoryTSP VenturesHeartfelt Capital+1 more

Abingdon Healthabingdonhealth.com

Abingdon Health is a contract developer and manufacturer of rapid lateral flow diagnostic tests, serving healthcare, animal health, and plant health sectors.

BiotechHealthtechMedical Devices

Co-investorsSeneca Partners

Adapt Formworkadaptformwork.comin

Adapt Formwork supplies formwork solutions to construction contractors across the UK, offering both new and used equipment with design and technical support services.

Construction TechHardwareUK, GB

Ahmed ElahmadyAkif HadeedinUdoka OnwutaluinGbolahan Balogun

Adventorisadventoris.comin

Adventoris builds custom-branded B2B ordering software, including mobile and web ordering apps plus sales, telesales, quotation, and purchase-order modules, for wholesalers, distributors, and manufacturers.

B2B MarketplacesE-commerceEnterprise SoftwareRetail TechSaaS

James Clarkson(CEO)inAman Shergill(Co-founder)inGordon Matthew(Founder (Trend Management Services))

Alpkitalpkit.com

Alpkit is a UK direct-to-consumer performance outdoor brand selling clothing and equipment for running, hiking, climbing, camping, swimming and biking.

ConsumerDirect to ConsumerE-commerceHardwareSports TechPeak District, GB

Nick Smith(Founder)in

Asset Coolassetcool.comin

AssetCool builds robotic systems, including its Capacity-1 line robots, that apply capacity-enhancing coatings to existing overhead power lines to increase grid capacity without lengthy outages or reconductoring.

CleantechEnergyNew MaterialsRobotics

Jasmin Stewart(Head of People)inWinter Wilson(Head of Marketing)inNiall Coogan(CEO)in

Co-investorsCarbonEnergy Impact PartnersKero Development PartnersNorthern GritstoneExtantia Capital

Axis Spine Technologiesaxisspinetech.comin

Axis Spine Tech develops a modular ALIF (anterior lumbar interbody fusion) spinal implant system that lets surgeons intra-operatively select implant height and lordotic angle to achieve and maintain spinal alignment.

HardwareHealthtechMedical DevicesLeeds, GB

Co-investorsACF InvestorsMedTex Ventures LLC

CultureAIculture.aiin𝕏Jul 2024 Β· $10M

CultureAI builds a platform that detects and governs employee AI tool usage in real time, providing visibility and controls for enterprise security teams.

AI & Machine LearningCybersecurityEnterprise SoftwareUK, GB

James Moore(Founder)

Co-investorsSenovoPassion CapitalSmedvig Ventures

Cyacombcyacomb.comin

Cyacomb builds software, powered by its Contraband Filter technology, that rapidly identifies known illegal and harmful digital content on devices while reducing exposure to unrelated personal data.

CybersecurityGovTechSaaS

Chris Johnson(Chief Executive Officer)inAlan McConnell(Chief Operating Officer)inMartin Reynard(Chief Financial Officer)in

Co-investorsScottish National Investment BankScottish Enterprise

Eventum Orthopaedicseventumortho.comin𝕏

Eventum Orthopaedics develops Quadsense, a medical device that provides real-time intraoperative data to surgeons during total knee arthroplasty procedures, helping optimize patellar positioning and patient outcomes.

Deep TechHealthtechMedical DevicesLeeds, GB

John N(Founder)John Naybour(Chief Executive Officer)Paul Atherton(Chief Operations Officer)in

Co-investorsShackleton Ventures Ltd.

GoSwaggoswag.cominMay 2026 Β· $5M

Go Swag is a B2B merchandise and promotional products platform that curates and sells branded items to enterprises and mid-market companies.

Circular EconomyClimate TechConsumerDirect to ConsumerE-commerceEnterprise SoftwareMarketplacesSaaS

Conor McKenna(Founder)in

Co-investorsTechstart Ventures

Haydnhaydn.aiJul 2026

Haydn is an AI platform that ingests board packs, management accounts, compliance reports, and earnings transcripts and converts them into a structured, queryable view of a portfolio, with dashboards, alerts, and cited answers.

AI & Machine LearningFintechSaaS

Co-investorsMoonfire VenturesAxiom Equity

Inviziusinvizius.cominSep 2024

Invizius develops therapeutics targeting the complement system to treat kidney disease and other disorders driven by uncontrolled immune activation.

BiotechDeep TechHealthtechMedical DevicesGlasgow, GB

Dr Magnus Nicolsonin

Co-investorsCalculus Capital Ltd.CalculusOld College CapitalScottish EnterpriseScottish Investment Bank

Little Journeylittlejourney.healthin

Little Journey is a digital health platform that helps children, young people, and families prepare for hospital visits through interactive virtual tours, educational content, and relaxation tools.

ConsumerDigital HealthHealthtechMedical DevicesSaaS

Dr Chris Evans(Founder)Sophie Copley(Founder)in

Co-investorsCalm/Storm VCConduit ConnectOctopus Ventures

Log My Carelogmycare.co.ukin𝕏Apr 2024

Log my Care provides a digital platform for social care providers to manage, deliver, and record care electronically, with a focus on proactive, person-led support and preventative care.

Digital HealthEnterprise SoftwareHealthtechSaaS

Sam Hussain(Founder & Chief Executive Officer (CEO))inAdam Hurst(Founder & Chief Technology Officer (CTO))

Co-investorsSpex Capital

Naponapo.petin

Napo is a UK pet insurance provider offering lifetime cover for dogs and cats, with tiers from Β£2,000 to Β£16,000 per year covering illnesses, accidents, dental and behavioural treatment.

ConsumerFintechInsurTechLondon, GB

JP(Founder)Jean-Philippe Doumeng(Founder)inGB JP(Founder)Ludovic Lacay(Co-Founder & CPO)in

Co-investorsCompanion FundDMG VenturesDN CapitalMTECH CAPITALPICUS CAPITAL

Neupulseneupulse.coFeb 2026

Neupulse develops a wearable device that delivers drug-free, non-invasive neurostimulation to support everyday wellbeing and relaxation, based on neuroscience research.

HardwareHealthtechWellness & Fitness

Co-investorsEos AdvisoryMidlands Engine Investment Fund II

Optellumoptellum.com

Optellum builds an AI-powered platform for early lung cancer diagnosis, helping thoracic care teams and health systems discover, track, and assess the malignancy risk of lung nodule patients.

AI & Machine LearningHealthtechMedical Devices

Co-investorsBlack Opal VenturesIntuitive VenturesIQ CapitalOutsized Ventures

Promethean Particlesprometheanparticles.co.ukin𝕏Aug 2024

Promethean Particles manufactures metal-organic frameworks (MOFs) using proprietary continuous-flow production technology for industrial applications including carbon capture, gas storage and separation, and atmospheric water harvesting.

Advanced ManufacturingCleantechClimate TechDeep TechNew MaterialsNottingham, GB

Ed Lester(Founder & Chief Scientific Officer)inJames Stephenson(Chief Executive Officer)in

Co-investorsTSP VenturesAramco VenturesBritish Business BankForesightForesight Group

Propulsionpropulsion.nlin

Propulsion runs a virtual account management team that services the mid-tier partners (roughly ranked 61 to 200) of IT distributors, executing the Microsoft Surestep program to help these Cloud partners grow their Cloud business and revenue.

Cloud ComputingEnterprise SoftwareMarketing TechSaaSSales Tech

Co-investorsNewion

Scalpelscalpel.aiOct 2024 Β· $4.8M

Scalpel provides digital validation and tracking solutions for surgical instrument trays and logistics, helping supply chain teams, medical device manufacturers, and third-party logistics providers ensure accuracy and traceability in surgical instrument management.

AI & Machine LearningHealthtechLogistics & Supply Chain

Co-investorsDeep Science VenturesTensor Ventures

Serve Firstservefirst.co.ukinApr 2026

Serve First is a customer experience platform that aggregates feedback from surveys, reviews, social media, and support tickets, using AI to surface actionable insights.

Data & InfrastructureEnterprise SoftwareHR TechMarketing TechSaaSEpping, GB

Co-investorsPembroke VCTTechstarsMidlands Engine Investment Fund II

Shopblocksshopblocks.comin

Symphony Commerce designs and implements B2B ecommerce systems, including its Tempus platform, that integrate with clients' existing infrastructure to handle catalogue management, pricing, approval workflows, order handling, and multi-region data sync.

B2B MarketplacesE-commerceSaaS

Co-investorsDSW Ventures

Sitehopsitehop.comFeb 2024

Sitehop provides encryption technology designed for real-time data protection that prioritizes speed and quantum-readiness.

CybersecurityDeep TechEnterprise SoftwareHardwareQuantum Computing

Melissa Chambers(Co-Founder and CEO)inBen Harper(Co-Founder and CTO)in

Co-investorsNorthern GritstoneAmadeus Capital PartnersManta Ray VenturesOsney Capital

Symphony Commercesymphonycommerce.comin𝕏Aug 2014acquired by IgniteTech

AI & Machine LearningEnterprise SoftwareSaaSSan Francisco, US

Harish Abbott(Director)Justin Jow(Executive Officer)Ken Fine(Executive Officer, Director)Eric Vaughan(CEO)inMarc Chapman(Executive Officer)Henry Kim(Executive Officer, Director)

Co-investorsRunway Venture PartnersBain Capital VenturesCRV (Charles River Ventures)FirstMark Capital

Synthesized Acquiredsynthesized.ioin𝕏Sep 2025 Β· $20M

Synthesized creates governed, production-realistic test data from sensitive enterprise systems for software validation, migrations, and AI-agent testing.

AI & Machine LearningData & InfrastructureEnterprise Software

Co-investorsExpeditionsFounders FactoryFounders Factory NYIA Seed VenturesIQ CapitalMundi Ventures+3 more

Tagomicstagomics.comFeb 2024

Tagomics develops multimodal technologies for precision medicine and next-generation diagnostics.

AI & Machine LearningBiotechDeep TechMedical DevicesCambridge, GB

Dr Jack Kennefick(Co-founder, Director & Chief Executive Officer)Dr Robert Neely(Co-founder, Director & Chief Scientific Officer)

Co-investorsCalculus Capital Ltd.Illumina VenturesIQ CapitalCalculusMEIF Proof-of-Concept & Early Stage FundOMX Ventures+1 more

Wobble Genomicswobblegenomics.cominMar 2024

Wobble Genomics operates an RNA sequencing platform that captures full-length RNA transcripts to identify long RNA biomarkers and novel isoforms for precision medicine.

BiotechDeep TechDigital HealthHealthtechMedical DevicesEdinburgh

Richard Izen Kuo(Executive Officer, Director)Joanna Smart(Director)Lee James Lindley(Director)John Harris Leamon(Director)Trevor John Nicholls(Director)John Robert Fraser Duncan(Director)

Co-investorsEos AdvisoryIQ CapitalOld College Capital

Other

Tracked investments with no reachable website or further public details β€” typically companies that wound down, renamed, or were absorbed.

2Pd8Point8 SupportAbbey TelecomAbbeydaleAbzenaAdvanced Digital InnovationAdvanced Integrated Security SystemsAirshipAllegrwAllied ProtekAllineaAme GroupAnaxsysApplearnAshton SealsAuthenticate Information SystemsAvail TechnologiesAvid GamesAztec OilsAzzure ItBababingBainbridge ElectricalBarber SheffieldBb ScaffoldingBcw EngineeringBioextraction Wales

Rows marked β€œSEC filing” are inferred from directors named on the company's SEC Form D β€” public regulatory data, not a portfolio list published by the firm.