/Investor DB

Walking Ventures — Full Portfolio

33 tracked investments · listed companies and verified rows first

Apperio Marketplace, SAASapperio.comin

Apperio provides a legal spend management platform that connects to law firms' time and billing systems and uses generative AI to give in-house legal teams visibility into work before invoicing and to help law firms submit compliant invoices.

AI & Machine LearningEnterprise SoftwareFintechLegalTechSaaS

Nicholas d'Adhemar(Founder & CEO)in

Co-investorsDraper EspritIQ CapitalMolten VenturesNotion CapitalSalica Investments

Attraction Technology SAASattractions.ioin

Attractions.io provides a mobile app and SDK platform that connects entertainment venue operators with guests, offering personalized experiences and real-time information across theme parks, zoos, and attractions.

ConsumerMarketing TechSaaSTravel & Hospitality

Mark Locker(Founder)in

Castlecastle.ioin𝕏Jan 2019

Castle builds trust infrastructure for the modern internet, helping organizations detect and prevent fraud and account takeover attacks.

CybersecurityDeveloper ToolsEnterprise SoftwareSaaSSan Francisco, US

Johan Brissmyr(Founder/CEO)inSebastian Wallin(Founder/CTO)in

BoardShardul Shahin

Co-investorsFirst Round CapitalIndex VenturesY CombinatorF-Prime CapitalFundersClubBoost VC+6 more

Ceracerahq.comin

Cera is Europe's largest HealthTech company building AI tools and digital products to predict hospitalizations and improve care delivery for NHS and government partners.

AI & Machine LearningDigital HealthHealthtechCamden, GB

Dr. Ben Maruthappu(Founder)in

Co-investorsKairos HQKima VenturesLoric VenturesYabeoCredo VenturesEarlymarket+3 more

Cipher Surgical Seedciphersurgical.comin𝕏

Cipher Surgical develops the OpClear platform, a laparoscopic device that uses CO2 flow and on-demand saline lens washing to keep the endoscope lens clear during complex endoscopic and laparoscopic surgery.

HardwareHealthtechMedical Devices

Andrew Newell(Founder and Chairman)inMark Alley(President & CEO)

Co-investorsFuture Planet CapitalVenture Founders

CodeMentorcodementor.ioin𝕏

Codementor for Teams provides live technical mentorship and pair programming sessions, connecting development teams with vetted expert mentors across multiple technology stacks for code review, debugging, and professional development.

B2B MarketplacesDeveloper ToolsEdTechSunnyvale, US

Weiting Liuin

Co-investors500 GlobalFJ LabsTechstarsWI Harper Group

Cytoxcytoxgroup.com

Non-invasive risk assessment and patient stratification tools for Alzheimer's disease and dementia

Co-investorsFuture Planet CapitalSeneca Partners

Emily Marbachemilymarbach.com

Personal website of Emily Marbach, a collage artist and printmaker showcasing her creative work.

Fan Duelfanduel.com𝕏acquired by Betfair Group

FanDuel offers online sports betting and gaming entertainment products for sports fans across the U.S. and Canada, partnering with leagues, teams, and talent.

ConsumerGamingSports Tech

Nigel Eccles(Founder)inAmy Howein

Co-investorsAmplify.LAAnsa CapitalAurumBettor CapitalBullpen CapitalCapitalG+16 more

Goodlordgoodlord.co

Goodlord provides an AI-enhanced software platform for the UK lettings market, automating administration, referencing, identity verification, and regulatory compliance across the tenancy process.

AI & Machine LearningPropTechSaaS

Co-investorsElevate Innovation PartnersFinch CapitalHighland EuropeLocalGlobeOxxColumbia Lake Partners+3 more

Hands HQ SAAShandshq.comin𝕏

HandsHQ is a software platform for creating, managing, and collaborating on RAMS (Risk Assessment and Method Statements) documents used in construction and industrial projects.

Construction TechEnterprise SoftwareSaaS

Jamie(Managing Director)

Joint Academyjointacademy.comin

Joint Academy is an AI-powered virtual care platform for musculoskeletal (MSK) conditions, offering AI-augmented clinical workflows, a real-world MSK patient database, and evidence-based treatment tools.

AI & Machine LearningDigital HealthHealthtech

Co-investorsLU InnovationAlfvén & DidriksonKinnevik

Kheironkheironmed.comacquired by Deephealth · Oct 2024 · $2.3M

Kheiron Medical Technologies developed AI-powered breast cancer diagnostic tools, including Mia™, which assisted radiologists in breast screening decision-making.

AI & Machine LearningHealthtechMedical DevicesLondon, GB

Peter Kecskemethy(CEO)inTobias Rijken(CTO)in

Co-investorsAtomicoEntrepreneur FirstGreycroftHoxton VenturesInHealth VenturesSamos Investments+1 more

Lantumlantum.com

Lantum offers AI-powered workforce management tools designed to help organizations handle staffing more efficiently and cost-effectively.

AI & Machine LearningHR TechSaaS

Co-investorsBeringeaFinch CapitalSamos InvestmentsPiton Capital LLPPlayfair Capital

Le Salon Marketplacelesalon.comin𝕏

LeSalon is an on-demand beauty services platform that connects clients in London with independent beauty therapists for at-home treatments.

AI & Machine LearningConsumerMarketplacesWellness & FitnessLondon, GB

Natasha(Co-founder)Jean-Michel(Co-founder)Nabil Freeman(CTO)in

Loyalty Lion SAASloyaltylion.comin𝕏

LoyaltyLion is a loyalty platform for enterprise e-commerce brands on Shopify Plus that enables retailers to design and manage loyalty programs with flexible rewards, customer segmentation, and omnichannel integration capabilities.

E-commerceMarketing TechRetail TechSaaSLondon, GB

Charlie Casey(CEO)in

Co-investorsSaaS Capital

Mapillary Marketplace, SAASmapillary.comin𝕏

Mapillary offers a collaborative platform that hosts, processes, and publishes street-level imagery and map data, using computer vision and machine learning to automate map-making at scale.

AI & Machine LearningCloud ComputingData & InfrastructureMobility & TransportationSaaSBjarred, SE

Jan Erik Solem(Executive Officer, Director)in

BoardEvan Nisselson(Director)in

Co-investorsAir Street CapitalAtomicoBMW i VenturesIntrepid Growth PartnersLDV CapitalNFX+2 more

Merton Collegemerton.ox.ac.ukin

Merton College is a constituent college of the University of Oxford, providing teaching, tutoring, and residential facilities for undergraduate and graduate students.

EdTechOxford, GB

Ometriaometria.com

Ometria is a customer data and experience platform (CDXP) built for retail and DTC brands, combining customer data with AI-powered marketing across channels including email, SMS, on-site, in-store, social, and app push.

AI & Machine LearningMarketing TechRetail TechSaaS

Ivan Mazour(Founder & CEO)inJames Dunford Wood(Founder)in

Co-investorsAdjuvoBright Pixel CapitalChamaeleonCraigie CapitalInfraVia Capital PartnersOctopus Ventures+5 more

Ovivaoviva.comin

Oviva offers personalised dietary advice paired with a digital app to help people change eating habits and manage or prevent illness.

Digital HealthHealthtechWellness & FitnessZürich, CH

Manuel Baumann(Founder)in

Co-investorsAlbion Capital GroupAlbionVCAnkaa VenturesF-Prime CapitalKinnevikKreos Capital+2 more

ScreenCloudscreencloud.comin𝕏

ScreenCloud is a full-stack digital signage platform offering hardware players and software to deploy, manage, and secure screens at scale for enterprises.

Advanced ManufacturingEnterprise SoftwareHardwareMedia & EntertainmentSaaSLondon, GB

David Hart(Co-founder)inLuke Hubbard(Co-founder)Mark McDermott(Founder)in

Co-investors500 GlobalPoint NineR/GA Ventures

Seeking Alphaseekingalpha.comin𝕏

Seeking Alpha is a financial research platform offering stock analysis, market news, investment ideas, and quantitative ratings across asset classes, drawing on a large community of contributing analysts.

FintechMedia & EntertainmentSaaS

Co-investorsAccelConnetic VenturesDag VenturesMosaic VenturesBenchmark

Tessiantessian.com𝕏Jun 2018 · $13M

Tessian provides AI-powered email security solutions that detect and prevent email-based cyberattacks and data loss for enterprises.

AI & Machine LearningCybersecurityEnterprise Software

Tim Sadler(Founder & CEO)inEdward Bishop(Founder)in

Co-investorsAccelBalderton CapitalCrane Venture PartnersForgePoint CapitalLocalGlobeMarch Capital Partners+7 more

Other

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

Articheck SAASAudio Analyticby CG:NASDAQCarsnip Marketplace, SAASEdge Retreats MarketplaceEZ Education EdTechLexoo MarketplaceQXLTessian SAAS, Security

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