Joint Effects
Venture capitalBoston
Investment thesis
Joint Effects backs companies transforming finance and essential services through emerging technologies, concentrating on fintech, deep tech, Web 3.0, and health technology. It prioritizes founders with strong founder-market fit and startups that have surpassed $1 million in annual recurring revenue. Collaboration is central to its approach: the firm co-invests and builds strategic alliances with a network of venture firms across the Northeast, Silicon Valley, Northern Europe, and beyond, giving portfolio companies access to additional capital and expertise. It seeks partnerships with visionary entrepreneurs who present ambitious ideas in a straightforward way.
Source: firm website, verified Aug 3, 2026.
What they invest in
from 12 of 29 portfolio companiesAI & Machine Learning ×8SaaS ×8Enterprise Software ×5Cybersecurity ×3Fintech ×3Cloud Computing ×2Data & Infrastructure ×2Deep Tech ×2
HQs:United States×9Austria×1
Investments · 29 tracked
founders shown can be your intro pathBy year:2021 · 12019 · 12 dated
Language IO offers an AI-powered translation platform for multilingual customer support operations, allowing teams to serve customers across additional languages.
AI & Machine LearningEnterprise SoftwareSaaSCheyenne, US
Heather Shoemaker(Founder & CEO)in
BoardALEX MUROMCEW(Director)ROBERT DAVOLI(Director)inTUOMO VUOLTEENAHO(Director)TOM AXBEY(Director)RENATO BENINATTO(Director)
PartnerTuomo Vuolteenaho· solo GP
Co-investorsCaruso VenturesGutbrain VenturesOmega Venture PartnersRaptor GroupService Provider Capital
Array Insights develops software for clinical trial optimization using federated learning and blockchain technologies, serving healthcare organizations and researchers seeking to improve medical collaboration and trial efficiency.
AI & Machine LearningData & InfrastructureDigital HealthHealthtechCambridge, US
Anne Kim(Co-Founder and CEO)inManolis Kellis(Founder)in
PartnerTuomo Vuolteenaho· solo GP
Co-investorsAsset Management CompanyDorm RoomMozilla VenturesThe E14 FundTwo Lanterns Venture PartnersArgon Ventures
Authentic Vision provides secure product digitalization solutions using holographic fingerprint technology and smartphone-based authentication to create copy-resistant product identities.
Advanced ManufacturingAI & Machine LearningCircular EconomyCybersecurityDeep TechEnterprise SoftwareFintechHardwareSaaSSalzburg, AT
PartnerTuomo Vuolteenaho· solo GP
Co-investorsDolby Family Ventures
Beamable is an open, extensible game server platform that enables game developers to rapidly build and operate online games and virtual worlds.
Cloud ComputingDeveloper ToolsGamingSaaSBoston, US
Ali El Rhermoul(Founder)in
PartnerTuomo Vuolteenaho· solo GP
Co-investorsCompanyon VenturesGrandBanks CapitalAdvancit CapitalChain ReactionREMUS CapitalBITKRAFT Ventures+1 more
Real-money gaming platform for safely running peer-to-peer contests with content, community, and payment tools.
PartnerTuomo Vuolteenaho· solo GP
Co-investorsVelvet Sea Ventures
BG Networks provides cybersecurity consulting, code automation tools, and software solutions designed to reduce the complexity and cost of securing IoT devices across consumer, healthcare, industrial, and transportation sectors.
AI & Machine LearningCybersecurityEnterprise SoftwareIoTMedical DevicesWeston, US
Colin Duggan(Founder / CEO)Roman Lysecky(Founder / CTO)Jerzy Rozenblit(Founder / Chief Research Scientist)Nicole Stata(Director)
PartnerTuomo Vuolteenaho· solo GP
Co-investorsBoston Seed CapitalGutbrain Ventures
Finland-based provider of digital tools and payment solutions for beauty and wellness entrepreneurs across Europe.
PartnerTuomo Vuolteenaho· solo GP
Co-investorsSontek Ventures Oy
AI-powered personalization turning customer insights into better customer journeys through predictive, dynamic personalization.
PartnerTuomo Vuolteenaho· solo GP
Crypto game platform for winning, earning, and selling digital collectibles and NFTs.
PartnerTuomo Vuolteenaho· solo GP
Vertically integrated real asset investment platform modernizing mission-critical healthcare infrastructure.
PartnerTuomo Vuolteenaho· solo GP
CyberSaint offers CyberStrong, an AI-native platform that automates cybersecurity control assessments and quantifies cyber risk in financial terms for enterprises.
AI & Machine LearningCybersecurityEnterprise SoftwareSaaSBoston, US
JERRY LAYDEN(Executive Officer, Director)inROBERT FORMAN(Executive Officer, Director)JAN HAAS(Executive Officer)DAVID FURNEAUX(Executive Officer, Director)TIM MCSWEENEY(Director)
PartnerTuomo Vuolteenaho· solo GP
Co-investorsGutbrain VenturesRiverside Acceleration Capital
Leader in Automated Production Intelligence for industrial manufacturers.
PartnerTuomo Vuolteenaho· solo GP
Corespan Systems (formerly Drut Technologies) builds data center infrastructure that integrates software across server kernels, photonic fabric, and control systems to align hardware resources with AI workloads.
AI & Machine LearningCloud ComputingDeep TechHardware
PartnerTuomo Vuolteenaho· solo GP
Co-investorsBoston Seed Capital
Develops and manufactures efficient air filtration systems for gas turbines, diesel engines, and compressors.
PartnerTuomo Vuolteenaho· solo GP
Intelligent mission control for life sciences laboratories, delivering hardware and software insights that accelerate innovation.
PartnerTuomo Vuolteenaho· solo GP
Inven provides AI-powered workflows for investment and consulting firms to automatically generate company materials such as market maps, financial profiles, and competitive landscapes from structured data.
AI & Machine LearningData & InfrastructureEnterprise SoftwareFintechSaaS
Tommi Kupiainen(Founder)in
PartnerTuomo Vuolteenaho· solo GP
Co-investorsLifeline VenturesVendep CapitalWave VenturesVentech
iRestify provides property cleaning and maintenance services combined with a real-time operations platform for property management companies overseeing multifamily and commercial buildings.
MarketplacesPropTechSaaSDallas, US
Charlotte Gummeson(President & Co-Founder)Karl Sowa(Chief Executive Officer and Director)inCharlotte Gummesson(President and Director)inEmi Quadri(Chief Financial Officer)
BoardJukka Heikka(Director)Maia Heymann(Director)in
PartnerTuomo Vuolteenaho· solo GP
Co-investorsConvergeGood News VenturesGutbrain VenturesBirchmere Ventures
Lunch is a fintech program that cities and counties offer to provide early payment and credit building for local businesses contracting with government.
FintechGovTechSaaSSanta Monica, US
PartnerTuomo Vuolteenaho· solo GP
Co-investorsFinancial Venture StudioMudita VentureNomad Venture Partners, LlcRestive VenturesEdovate Capital
Provides online retailers with AI-generated insights on merchandise returns to help reduce their root causes.
PartnerTuomo Vuolteenaho· solo GP
Building performance software using AI to diagnose and optimize building systems and HVAC in real estate.
PartnerTuomo Vuolteenaho· solo GP
PepTalk is a speaker bureau and booking platform that matches event organizers with keynote speakers and experts across formats such as keynotes, panels, workshops, podcasts, and executive briefings.
Future of WorkMarketplacesSaaSNew York, US
Lloyd Salmons(CEO)inAnt Cauchi(COO)in
PartnerTuomo Vuolteenaho· solo GP
Co-investorsVentureWave Capital Ltd.
Appraisal software for residential mortgages
Allston, US
Will Denslow(Founder)in
BoardPeter Blacklow(Director)inBarry Finegold(Executive Officer, Director)
PartnerTuomo Vuolteenaho· solo GP
Co-investorsAmerican Family VenturesBoston Seed CapitalCentana Growth PartnersEastward Capital PartnersGutbrain VenturesTamarisc Ventures+1 more
Provides homeowners cash for a share of their home's appreciation, enabling access to home equity without new debt.
PartnerTuomo Vuolteenaho· solo GP
Enriches and optimizes decision-making for teams, sports books, and fans.
PartnerTuomo Vuolteenaho· solo GP
Spren offers a smartphone-camera body composition scan that uses patented imaging technology and validated algorithms to measure metrics like body fat, lean mass, and cardio-metabolic health without extra hardware.
AI & Machine LearningDigital HealthWellness & Fitness
PartnerTuomo Vuolteenaho· solo GP
Co-investorsKarlani CapitalBoston Seed CapitalDrive by DraftKingsIdeaship
Rebuilding market liquidity by connecting borrowers and lenders on and off the blockchain.
PartnerTuomo Vuolteenaho· solo GP
Agile trucking fleet intelligence and management solutions for increased performance, automatic compliance, and improved safety.
PartnerTuomo Vuolteenaho· solo GP
Provides quick access to working capital for businesses based on cash flow and revenue with flexible terms.
PartnerTuomo Vuolteenaho· solo GP
Fintech creating social trading experiences that make stock trading social, educational, and accessible.
PartnerTuomo Vuolteenaho· solo GP
Co-investorsTBD AngelsSocial Leverage
Portfolio news
latest coverage across their companiesReggora · thesaasnews.com · Sep 8, 2025
Inven · arcticstartup.com · May 30, 2025
Frequently asked questions
- How many investments has Joint Effects made?
- Joint Effects has 29 tracked investments.
- What sectors does Joint Effects focus on?
- Joint Effects focuses on Crypto & Web3, Deep Tech, Fintech, Healthtech.
- Where is Joint Effects located?
- Joint Effects is headquartered in Boston, US.
- Who does Joint Effects co-invest with?
- Joint Effects most often shares deals with Gutbrain Ventures, Boston Seed Capital, Asset Management Company, among 34 tracked co-investors.
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