BURNT ISLAND VENTURES — Full Portfolio
47 tracked investments · listed companies and verified rows first
Biota develops rapid PFAS testing technologies, including field-compatible test kits and lab sample-prep products, that deliver results in about 15 minutes instead of weeks.
BiotechCleantechDeep TechLongmont, US
Flocean AS manufactures subsea desalination systems that convert seawater to freshwater using deep ocean water at depths of 500 meters, designed to minimize environmental impact compared to conventional desalination plants.
CleantechClimate TechDeep TechImpact & Social GoodStavanger, IT
Alexander Fuglesang(Founder & CEO)in
Co-investorsNysnø Climate InvestmentsOrion Protocol
LAIIER develops sensor-based leak detection solutions for commercial buildings and industrial equipment, helping property operators, insurers, and facilities managers prevent water damage and reduce downtime.
Climate TechConstruction TechEnterprise SoftwareIoTPropTechLondon
Matt Johnson(Executive Officer, Director)inBibiana Nelson(Executive Officer)Colin Nunn(Executive Officer)in
BoardFaisal Al-Husssein(Director)Zena Bruges(Director)Alyssa Bryan(Director)
Co-investorsMundi VenturesVirta VenturesClosed Loop Partners
Electrochemical water purifier using patent-pending technology to remove contaminants including PFOA.
Mansfield, US
Julie Bliss Mullen(Executive Officer, Director)Leanne Hersey(Founder)inPamela Lynch(Executive Officer)Orren Schneider(Executive Officer)
BoardJiten Manglani(Director)
Board seatTom FergusonWayne Byrne· per SEC Form D
Co-investorsDCVC (Data Collective)Echo River CapitalHG VenturesMassVenturesThe Alchemy Fund
Aqua Membranes makes precision-printed elements for industrial reverse osmosis (RO) systems, designed to increase production, lower energy costs, reduce cleaning cycles, and improve recovery without retrofits.
Advanced ManufacturingCleantechHardwareNew MaterialsAlbuquerque, US
Rodney Herrington(Founder)inCraig Beckman(CEO)inChristopher Kurth(Chief Technology Officer)inRick Sanders(Director)Michael Reardon(Director)Stuart Schoenmann(Director)
Board seatSteve Kloos· per SEC Form D
Co-investorsClean Energy VentureClean Energy VenturesHelios Climate VenturesNovaCapitalCycle CapitalMicron Ventures
AquiSense develops UV-C LED water disinfection systems that treat water without chemicals, serving homes, factories, restaurants, remote communities, and space applications.
CleantechDeep TechHardwareKentucky, US
Oliver Lawal(President & CEO)inStuart Bauman(CFO/Treasurer)inJennifer Pagán(CTO)in
Board seatSteve Kloos· per SEC Form D
Co-investorsKeyhorse Capital
Longmont, US
Rose Nash(Executive Officer, Director)
PartnerTom Ferguson· quoted
Board seatSteve Kloos· per SEC Form D
Co-investorsBaruch Future VenturesAntlerDeepWork Capital
Daupler develops a response management platform for utilities, public works, and service organizations to manage service requests and emergency situations more efficiently.
Enterprise SoftwareGovTechRoboticsSaaSKansas City, US
John Bertrand(Founder and CEO)Ryan Rosenbaum(CTO)in
BoardJiten Manglani(Director)
Board seatTom Ferguson· per SEC Form D
Co-investorsKCRise FundKnoll VenturesRunway Venture PartnersSandalphon CapitalService Provider CapitalTechstars
2S Water manufactures AquaValid, a real-time water analyzer that continuously measures dissolved metals in process water using optical-emission spectroscopy technology.
CleantechClimate TechHardwareIoT
Co-investorsCreative Destruction Lab (CDL)ForesightStartup TNT
Aclarity develops proprietary technology to break down PFAS (per- and polyfluoroalkyl substances) compounds using electricity, offering an alternative to traditional disposal methods that involve landfilling or incineration.
CleantechClimate TechHardware
Michael Shaw(President and Chief Executive Officer)in
Co-investorsEcho River CapitalHG VenturesMaroon Venture Partners FundMassVentures
Aquafortus develops energy-efficient treatment technology for high-salinity industrial wastewater, enabling resource recovery at significantly lower costs than conventional desalination methods.
Advanced ManufacturingCleantechClimate TechEnergyNew MaterialsHouston, US
Hoshang(CEO)Dave Allworth(Chief Financial Officer)Richard(Chief Technology Officer)Matt(Chief Operating Officer)
BoardIris Jancik
Co-investorsDCVC (Data Collective)NZ Growth Capital Partners
Aquatic Labs develops ocean instrumentation and marine analytical technology, drawing on expertise in oceanographic research and physics.
CleantechClimate TechDeep TechHardwareIoT
Allan Adams(Founder & CEO)in
Co-investorsFuture Planet CapitalPropeller VC
Beagle Services provides water security and plumbing solutions for residential properties, offering automatic shutoff valves, smart water sensors, and leak detection technology installed and maintained by certified plumbers.
IoTPropTechSanta Monica, US
Paul Vacquier(Executive Officer)
Co-investorsResolute VenturesTop Corner CapitalWonder Ventures
Cala manufactures a heat pump water heater designed for residential use that heats water efficiently for households of up to five people.
CleantechEnergyHardwareIoTSomerville, US
Michael Rigney(Executive Officer, Director)in
BoardMichael Ting(Director)David Wilson(Director)Thomas Ferguson(Director)in
Co-investorsClean Energy VentureClimate CapitalLeap Forward Ventures
CivilGrid consolidates thousands of datasets on underground utilities, land rights, geotech conditions, and other site data into a real-time map for civil engineers, utility operators, and construction teams.
Construction TechData & InfrastructureGovTechSaaS
Josh(Co-founder)Brandon(Co-founder)
Co-investors2.12 AngelsA*Afore CapitalAnorak VenturesEnergy Impact PartnersSpark Capital
CREW is a Yale spinout that adds calcium carbonate (ground limestone) to wastewater treatment plants to intensify biological treatment, cut chemical costs, and permanently remove carbon dioxide.
CleantechClimate TechDeep TechNew Haven, US
Joachim Katchinoff(Co-founder & CEO)inNoah Planavsky(Co-Founder & Scientific Advisor)in
Co-investorsAP VenturesConnecticut InnovationsCounteract OneEcho River CapitalEmerald Technology Ventures AgSony Ventures Corporation+3 more
Current Software is a cloud-native billing platform for utilities and municipalities, handling the full billing cycle from meter reads to posted bills, automated past-due collection, and a resident self-service payment portal.
Cloud ComputingGovTechSaaS
Cacique is a food manufacturer that produces Mexican-style cheese products, including shredded and grated varieties.
FoodTechMedia & Entertainment
Co-investorsAvestria Ventures
Epoch provides an API suite for supply chain platforms to normalize supplier data, validate facilities and plots, and generate sourcing intelligence including compliance, carbon, water, and biodiversity metrics.
AgTechAI & Machine LearningClimate TechData & InfrastructureLogistics & Supply Chain
Jinal Surti(Co-founder, CEO)in
Co-investorsMercy Corps VenturesAlphemy CapitalHappiness CapitalKOMPAS VCLeitmotifLongHash Ventures+2 more
Floodbase offers a parametric insurance platform that uses flood data and near real-time flood event monitoring to help insurers design, price, underwrite, and trigger flood coverage.
AI & Machine LearningClimate TechData & InfrastructureInsurTechBrooklyn, US
Bessie Schwarz(Co-founder)inBeth Tellman(Co-founder)in
BoardMarty Schneider(Director)Sasha Brown(Director)John Loser(Director)in
Co-investorsEcosystem Integrity FundFloating PointGroundForce CapitalLOWERCARBONLowercarbon CapitalMercy Corps Ventures+4 more
HOPE Hydration designs and operates free water refill stations that combine filtered, cold drinking water with digital out-of-home advertising screens, funding the network through brand ad revenue.
AdTechCircular EconomyClimate TechHardwareIoT
Jorge Richardson(Co-Founder & CEO)inCristina Gnecco(Co-Founder & COO)inDave Tigue(Co-Founder & Head of Hardware Engineering)in
Independent Agent is a magazine and digital publication that provides insurance industry trends, analysis, and business strategies for property-casualty independent insurance agents and brokers.
InsurTechMedia & Entertainment
Irrigreen manufactures smart in-ground sprinkler systems for residential lawns that use mapping technology to reduce water waste by up to 50% compared to traditional irrigation.
AgTechHardwareIoT
Co-investorsEcho River CapitalMFV PartnersSand Hill AngelsTamiami AngelUlu VenturesAnorak Ventures+1 more
NLine Energy makes the SteamLine Turbine, which generates electricity from excess steam pressure that industrial facilities otherwise waste, reducing operating costs and emissions.
CleantechClimate TechEnergy
Matthew Swindle(Founder)in
Power Almanac provides a contact database of verified decision-makers across 22,000 local governments and 343,000 officials in the United States, with phone verification and role-based targeting for government sales and marketing campaigns.
Data & InfrastructureGovTechMarketing TechSales Tech
Power and Water manufactures custom-built power supply and control panels designed for their Soneco systems, featuring switch-mode technology for energy efficiency and remote monitoring capabilities.
Advanced ManufacturingAI & Machine LearningCleantechClimate TechEnergyHardwareSwansea, GB
Previsico provides a flood forecasting and hydrological monitoring service that predicts and monitors flood risks, including surface water, small streams, and drainage systems often not covered by standard flood alerts.
AI & Machine LearningClimate TechInsurTech
Prof. Yu(Co-founder)Dr Avi Baruch(Co-founder)in
Co-investors24 HaymarketConnecticut InnovationsBlueOrchard Finance S AForesight Group
SewerAI provides an AI platform for underground infrastructure inspection, turning CCTV and MACP footage into automatically coded defect data, risk scores, and capital rehabilitation plans.
AI & Machine LearningCleantechSaaS
Matt Rosenthal(Co-CEO & Co-Founder)inBilly Gilmartin(Co-CEO & Co-Founder)inSepehr Sobhani(VP of Engineering)inAbhinoor Dhull(VP of Operations)inDave Barden(VP of Sales)Matthew Szymanski(Head of Finance)in
Co-investorsEmerald Technology Ventures AgInnovius CapitalBuilders VCCerity Partners VenturesJMI EquitySuffolk Technologies
Shower Stream develops IoT-enabled showerheads that reduce water and energy consumption for hospitality properties while providing operational data analytics.
CleantechEnterprise SoftwareHardwareIoTPropTech
Co-investorsEcho River CapitalNew Stack VenturesNewlin VenturesSWAN Impact NetworkTrue Wealth VenturesNorth Texas Angel Network
Sønr provides intelligence and analysis on insurance innovation to help business leaders make informed decisions about technology investments and strategy.
Data & InfrastructureEnterprise SoftwareInsurTechSaaSSector Agnostic
Spout builds a countertop machine that generates drinking water from air using electricity and filters, with no plumbing, bottles, or delivery.
CleantechConsumerHardware
CleantechClimate TechSeattle, US
Erin Rothman(Executive Officer, Director, Promoter)inPat LaPointe(Director)Teri Floyd(Director)
Co-investors9Mile LabsNext Wave ImpactTechstarsBuoyant Ventures Management, LlcGratitude RailroadOrbia Ventures+2 more
Subeca provides smart water metering technology that delivers real-time and hourly meter readings over flexible network options including Amazon Sidewalk, LoRaWAN, and Bluetooth.
CleantechHardwareIoTDallas, US
Anne Mushow(Chief Executive Officer)inKelly Galway(Chief Product and Technology Officer)inHank McCarrick(Executive Officer, Director)Don E. Whitson(Executive Officer)
SwiftComply provides compliance software that automates administrative workflows and data management for water utilities to help them enforce environmental regulations.
CleantechGovTechSaaSPleasanton, US
Mick O'Dwyer(Founder & CEO)in
Co-investorsM33 GrowthPrefix Capital
TeamSolve builds Knowledge Twin, an AI-powered system that captures and organizes operational data and field work for utility and industrial teams.
AI & Machine LearningEnterprise SoftwareIoTSaaS
Robin Wong(Founder)in
Verdi makes irrigation systems smart and automated by connecting controllers to existing valves, pumps, and drip lines for farms.
AgTechAI & Machine LearningClimate TechHardwareIoTSaaS
Co-investorsJetstreamWaterpoint Lane
waterloop is a nonprofit news outlet producing documentaries, podcasts, and videos focused on solutions for water sustainability across the United States.
Climate TechImpact & Social GoodMedia & Entertainment
Travis Loop(Founder)in
Waterly provides software for water, wastewater, stormwater, and greywater systems operators to manage their infrastructure.
AgTechCleantechClimate TechEnterprise SoftwareGovTechIoTSaaS
Chris Sosnowski(Founder/Chief Cook and Bottle Washer)inJason Vasquez(Founder/Chief Plumber)inMichael Murdyin
Co-investorsEmerald Technology Ventures Ag
Water & Wastewater Asia is a premium trade magazine published six times annually that covers technology, leadership, products, and projects in the water and wastewater industry.
CleantechImpact & Social GoodMedia & EntertainmentSingapore, SG
Shilpa Alva(Founder and Executive Director)
Ziptility provides operations and asset management software for small water and wastewater utilities, with mobile apps to capture, organize, and analyze field data for maintenance scheduling, GIS mapping, and long-term planning.
GovTechIoTSaaSBloomington, US
Jim Good(Founder)inJeffrey Buszkiewicz(Executive Officer)Douglas Dayhoff(Director)Tyler Henke(Executive Officer, Director)Steven Naimark(Director)
Co-investorsElevate VenturesIU Ventures
ZwitterCo develops zwitterionic anti-fouling membranes that resist organic fouling for filtration of industrial wastewater and process streams.
Advanced ManufacturingCleantechNew MaterialsCambridge, US
Alex Rappaport(Co-Founder & CEO)in
BoardStephen Remondi(Director)
Co-investorsBantam GroupDCVC (Data Collective)Genoa VenturesHG VenturesMunich Re Ventures
Other
Tracked investments with no reachable website or further public details — typically companies that wound down, renamed, or were absorbed.
CalaEarthscale
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.