Sie Ventures — Full Portfolio

Anansi is an insurance-driven delivery platform for last-mile logistics that combines regulated insurance, automated invoice monitoring, and risk insights in one system.

E-commerceInsurTechLogistics & Supply ChainSaaS

Co-investorsGUGuinness VenturesINInsurTechMUMundi VenturesOCOctopus VenturesOUOutrun VenturesUNUNIQA Ventures GmbH

Apryl (Progyny Global) offers a fertility benefits platform that connects employees with fertility experts, clinics, and treatments including IVF, egg and sperm freezing, surrogacy, adoption, and menopause management.

Digital HealthFemTechHR Tech

Co-investorsAFAFI VenturesATAtlanticAUAuxxoJAJazzya InvestmentsMYMyelin VCVEVentech+4 more

Graphica applies foundational AI models to precision plant breeding, genetics and molecular biology, building plants and biological products.

AgTechAI & Machine LearningBiotechLondon, GB

CPCecy Price(CEO)inDHDominic Hall(CTO)in

Co-investorsENEntrepreneur FirstFAFaberFAFaber Capital SCR SANUNucleus CapitalSUSuperSeedCACardumen Capital+4 more

Platform democratising access to recreational tennis.

Co-investorsCOCollide CapitalANAntler

By Rotation is a fashion rental platform that allows consumers to rent designer clothing and lend or monetize their own wardrobes.

Circular EconomyConsumerMarketplaces

EKEshita Kabra(Founder)in

Co-investorsCOCornerstone VCRERedrice VenturesTRTrue.CHCherry VenturesCLClosed Loop Partners

Cino provides a shared virtual card solution that allows groups to automatically split expenses among members based on customizable ratios, with transactions processed through Apple Pay or Google Pay.

Fintech

Co-investorsBABalderton CapitalCOConnect VenturesCOConnect VenturesHEHeartfelt CapitalTETera Ventures

Dimension AI is a precedent-based SEC filing software that extracts and structures data verbatim from public EDGAR filings to draft, benchmark, and review documents such as annual reports, capital markets filings (S-1, 424(b)), and N-2 reports for registered funds.

AI & Machine LearningFintechLegalTech

Co-investorsAUAUTHENTIC VENTURESABAbstract VenturesASAscension VenturesFEFelicis VenturesLOLove VenturesMVMVP+4 more

Emm develops a medical-grade silicone menstrual cup embedded with ultra-thin sensors that tracks cycle metrics such as flow, duration, and frequency to give users personalised insights into their menstrual health.

Digital HealthFemTechHardware

Jenny Button(Founder)in

Co-investorsBLBlue Lion GlobalLULunar VenturesSTStart CodonWOWormhole CapitalALAlumni Ventures

Fides provides a governance workflow tool that digitizes and documents corporate decision-making, including formal resolutions, approvals, meetings, task tracking, and document management with audit trails and e-signatures.

AI & Machine LearningEnterprise SoftwareLegalTechSaaS

LGLisa Gradow(Founder)in

Co-investorsALAlumni VenturesAUAuxxoIAIA VenturesLALa FamigliaLGLGFTATable Management

Fifth Dimension AI is a decision intelligence platform for real-assets investors and managers that connects to systems like Yardi, Argus, Dealpath, and SharePoint to automate deal screening, lease abstraction, due diligence, and portfolio risk monitoring.

AI & Machine LearningFintechPropTech

JMJohnny Morris(Founder)in

Co-investorsANAnthemis VentureLOLove VenturesMMMMC VenturesPRPrudenceTWTwin Path VenturesAFAFG Partners+2 more

Maeve is an AI assistant for fashion retailers that analyzes product data from multiple sources—including Shopify, PLM systems, reviews, and customer service tools—to optimize decisions around pricing, sizing, returns, and range planning.

AI & Machine LearningRetail TechLondon, GB

PGPhoebe Gormley(CEO)in

Co-investorsENEntrepreneur FirstALAlbionVCJAJanuary VenturesSUSuperSeed

iLoF operates a cloud-based library of optical fingerprints built with photonics and AI, offering a non-invasive, blood-based screening test that stratifies patients for clinical trials.

AI & Machine LearningBiotechDigital HealthLondon, GB

Co-investorsFAFaberLILince CapitalLULunar VenturesBEBerggruen Holdings

Jude manufactures CoreCTRL, a dietary supplement formulated to support bladder health through targeted botanical ingredients, probiotics, and vitamins for daily wellness.

ConsumerDirect to ConsumerFemTechWellness & Fitness

Co-investorsEKEka VenturesJOJoyance PartnersONOnstageSASamos Investments

Lemrock provides e-commerce integrations that deploy across the open web and search LLMs, connecting a network of onboarded merchants.

AdTechAI & Machine LearningE-commerceMarketing TechParis, FR

Roxane Laigle(CEO)inCNClément Nguyen(CTO)inSCSasha Collin(CPO)in

Co-investorsAGAgoranovENEntrepreneur FirstSOSonorcapTRTranspose Platform ManagementFIFinancière Saint JamesGAGalion.exe

lu.ma is a platform for creating event pages, inviting attendees, and selling tickets for events.

Marketplaces

Dan Liu(Founder)VPVictor Pontis(Founder)in

Co-investorsAIAir Street CapitalATAtelierBOBonfire VenturesEXExceptional CapitalIOIOSG VenturesLOLongJump Ventures+8 more

Motics is a UK-built AI platform for healthcare clinics that provides five AI agents handling clinical documentation, phone reception, email triage, billing, and note auditing, all sharing a single patient record.

AI & Machine LearningDigital HealthHealthtech

SME financial services app providing loans, cash flow and invoice management tools.

FintechLondon, GB

Co-investorsANAngel AcademeKIKinled HoldingTETechstars

OKKO Health develops smartphone and tablet apps that measure vision through games built on vision science, for use in clinical practice, scientific research, and drug and device R&D.

AI & Machine LearningDigital HealthHealthtechMedical Devices

SCStephanie C.(Founder)in

Co-investorsANAnglia Capital GroupDVDvH Ventures

Prenostics develops a blood test to detect the earliest stages of cancer (stages 0-2), earlier than current methods, aiming to enable curative treatment.

BiotechDigital HealthHealthtech

Sarah Blagden(Founder & CSO)

Co-investorsPAPace Ventures

Re-Fresh Global pioneers textile waste recycling solutions using biotechnology to transform discarded textiles into new, sustainable resources.

BiotechCircular EconomyCleantechNew MaterialsBerlin, DE

UCUrte Claudia Zahn(CEO)RNRevital Nadiv(COP & Co-Founder)in

Co-investorsSESerpentine VenturesINIndieBio

Rosaly offers a financial wellbeing platform that lets employees access earned wage advances and automates the handling of salary advances for HR teams.

FintechHR TechSaaS

ASArbia SMITI(Founder)in

Co-investorsAUAUDEO VENTURESAUAuxxoCLClocktower VenturesFIFin CapitalHAHaymaker VenturesTRTreasury+1 more

Shellworks develops VIVOMER, a compostable material made by collaborating with microorganisms that produce natural polymers, designed to perform like plastic but break down without leaving waste.

BiotechCircular EconomyClimate TechNew MaterialsLondon

IJInsiya Jafferjee(Co-founder)inAAAmir Afshar(Co-founder)inEdward Jones(Director)

BoardFelix Mounier(Director)

Co-investorsENEnvestorsFOFounder CollectiveTRTrue.LOLocalGlobeNFNFDGTHThird Sphere

SKY-I is a platform that aggregates fragmented space environmental data into a single system, offering 3D mapping of orbital conditions, satellite positions, and environmental hazards from VLEO to cislunar space.

Deep TechSaaSSpace TechWoking

BCBianca Cefalo(Executive Officer, Director)

Co-investors7P7percent VenturesBLBlue Wire CapitalFEFemale FoundersOXOxford Investment Opportunity Network (OION)SESeraphim SpaceBOBoost VC

Your Juno is a financial education platform designed for women and non-binary people, offering tools and knowledge to help users build wealth and confidence in financial decision-making.

ConsumerEdTechFemTechFintechLondon, GB

MDMargot de Broglie(Co-founder)inADAlexia de Broglie(Co-founder)in

Co-investorsDIDigital Currency GroupINInreach VenturesMSMSMALAlma AngelsMUMustard Seed Maze