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Rockstart

Acceleratoroperating company · company profile

Amsterdam · Pre-Seed–Series B · 31 people tracked

Also known as ROCKSTART MANAGEMENT COMPANY, LLC

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Investment thesis

Rockstart backs ambitious, purpose-driven founders working toward a regenerative and sustainable future, focusing on three domains: Energy, AgriFood, and Emerging Technology. It invests from pre-seed through Series B and combines capital with domain-focused, mentor-driven support packages, market introductions, and connections to co-investors. Rather than lecture-style programming, it matches founders with relevant experts and mentors on their key challenges. A global community of mentors, investors, and corporate partners drives commercial partnerships and investor exposure, with corporate initiatives such as Ørsted Propel and the New Energy Challenge helping founders reach markets and leading companies faster.

Source: firm website, verified Aug 25, 2026.

Stage
Pre-Seed–Series B
Check
$114.4K – $2.3M
HQ
Amsterdam, NL
Leads rounds
Leads
Instruments
Equity
Founded
2011
Last 12 months
1 investment
AUM
$112.3M
Portfolio companies
296

Team · 31 people

from the firm's website & curated & public directories
Mark Durno· Managing Partner, AgriFoodin
Michael Bjørnlund· Managing Partner, Emerging Technologies
Leyli Ibrahimova· Platform Delivery Managerin
Trixie Morrow· HR Managerin
Josephine Dufour· Investment Associatein
Mick Valentin· Investment Analystin

13 people who came through Rockstart went on to found or lead other companies.

+ 1 more

What they invest in

from 168 of 296 portfolio companies

AI & Machine Learning ×66SaaS ×62Cleantech ×37Energy ×34AgTech ×23Climate Tech ×20FoodTech ×19Enterprise Software ×18

HQs:Netherlands×33Colombia×10Denmark×10Germany×8United Kingdom×7United States×3

Who they back

founder profiles across 90 portfolio companies
59%
solo founders
53 of 90 mapped founding teams
40%
repeat founders
of 63 founders with career history

Founding team size:solo founder×532 founders×313 founders×34+ founders×3

Where their founders studiedfrom 57 founders with education data

Delft University of Technology ×3DTU - Technical University of Denmark ×3KU Leuven ×3University of Oxford ×3Aarhus University ×2Charles University ×2Copenhagen Business School ×2Imperial Business School ×2

Where their founders worked beforefrom 63 founders with career history

Rockstart ×5Habla Grupo Creativo ×2Keybe ×2Prodigio Capital ×2Van Steenbrugge Advocaten ×2Youni Choice ×2

Accelerator rootsportfolio companies that came through a program

500 Global ×2Y Combinator ×2

6 founders hold a PhD · 3 hold an MBA (of 64 with degree data)

Portfolio companies · 296 tracked

alumni founders can tell you what the program is really like
Authicauthic.ioin𝕏✓ verified

Authic provides a loyalty API that automatically tracks customer points and rewards across bookings, purchases, and check-ins, integrating directly with existing business systems like POS, e-commerce, and CRM platforms.

Marketing TechRetail TechSaaSWellness & FitnessAmsterdam, NL

Wouter KloostermanLemar Bachtiar

Co-investorsAngelwise

Fuzefuze-app.aiin✓ verified

Fuze provides sales and design software for solar installers, digitizing the sales process and installation delivery workflow in a unified platform.

AgTechAI & Machine LearningCleantechSaaS

Klimateklimate.coin✓ verified

Klimate helps companies implement high-quality carbon removal projects through a combination of scientific expertise, strategic guidance, and a dedicated platform.

CleantechClimate TechEnterprise SoftwareImpact & Social GoodSaaSCopenhagen, DK

Mads Emil Dalsgaard(Founder)Simon Bager(Founder)

Co-investorsEneco VenturesHelen VenturesThe Footprint FirmKickstart InnovationRedstone

Publishizerpublishizer.comin𝕏✓ verified

Publishizer is a crowdpublishing platform that helps authors validate their book ideas, build reader lists, and secure publishing deals through pre-sales campaigns.

B2B MarketplacesCreator EconomyMarketplacesMedia & EntertainmentSocialAmsterdam, NL

Bethany Marshall(Co-founder, CEO)Guy VincentinLee ConstantineinMartin BrochhausDr. Baucom(Head of Publisher Relations)

Co-investors500 GlobalArches Capital

Unlessunless.com𝕏✓ verified

UNLESS is an AI-native customer success platform built for regulated European enterprises in finance, healthcare, insurance, and related sectors that require full compliance and audit trails.

AI & Machine LearningEnterprise SoftwareFintechSaaSAmsterdam, NL

Sander Nagtegaal(Chief Executive Officer)Marcel Panse(Chief Technology Officer)

Co-investorsRiver Venture PartnersGreat Stuff Ventures

123Carbon123carbon.comin

123Carbon operates a non-public, blockchain-based registry that issues and assures immutable Emission Allowance Certificates (insets) for carbon reductions across multimodal transport (road, sea, air, rail, barging) and industries such as chemicals, cement, concrete, and steel.

Circular EconomyCleantechClimate Tech

Jeroen van Heiningen(Founder)in

Abastoresabastores.comin𝕏

Abastores operates an online grain exchange in Spain that publishes real daily cereal prices from national trading boards and closed transactions.

AgTechB2B MarketplacesFoodTech

Rubén Orihuela(Founder)Carlos García Santacruz(Founder)in

Actable AIactable.aiin𝕏

Actable AI provides a data science platform for customers worldwide and runs a partner program with engagement models including independent advisor, alliance partner, implementation partner, reseller, and technology partner.

AI & Machine LearningData & InfrastructureSaaSLondon, GB

Trung Huynh(Founder)Trung Huynh, PhD(Founder)in

Co-investorsBegin Capital

Advanced Infrastructure.Coadvanced-infrastructure.co.ukin𝕏

Advanced Infrastructure builds energy modelling and geospatial software for the UK power sector, including a Local Area Energy Planning platform used to create city- and household-level digital twins across power, heat, and transport.

AI & Machine LearningCleantechClimate TechData & InfrastructureEnergySaaSCambridge, GB

Suhas(Co-founder & CTO)Lily Cairns Haylor(Co-founder & Head of Product)

Aestuariumaestuarium.nl

Mathis Ben Harira(Founder)in

Agcurateagcurate.comin𝕏

AgCurate provides a rural business intelligence platform for the agricultural industry, offering crop classification, condition monitoring, and yield analysis to support decision-making in food and agriculture.

AgTechAI & Machine LearningData & Infrastructure

Agopreneagoprene.comin

Agoprene produces high-performing foam from natural materials like seaweed as a sustainable alternative to petroleum-based foam for furniture and other applications.

Circular EconomyCleantechNew Materials

Celine Sandberg(CEO)Eva Malene Stirø(CTO)Knut Klonteig Nielsen(CFO)

Co-investorsFarvatn Venture

Agrappagrapp.coin

Agrapp offers digital financial products for farmers and agribusinesses in Colombia, including a revolving credit line (AgrapPay) to pay suppliers and installment crop-financing loans (CosechaMás) using satellite validation.

AgTechFintech

Agrexaiagrexai.comin

Agrex.ai builds AIVIS, an agentic AI video analytics platform that connects to existing CCTV cameras, NVRs, and DVRs to generate real-time business intelligence such as footfall, conversion rates, compliance monitoring, and automated alerts.

AI & Machine LearningEnterprise SoftwareSaaS

Arush Kakkar(Founder)in

AgriRobotagrirobot.aiin

Agrirobot develops autonomous safety software for agricultural machines that integrates with existing control systems to enable safe, self-directed operation in the field.

AgTechAI & Machine LearningRobotics

Co-investorsPeblinge VenturesTall Grass Ventures

Aiselaisel.coin𝕏

Aisel builds a clinical operating system for private psychiatric clinics, using six coordinated AI agents to handle intake screening, in-session listening and documentation, billing code derivation, and bidirectional EHR sync.

AI & Machine LearningDigital HealthHealthtech

Augusta Klingsten Peytz(Founder)in

Co-investorsAngel InvestCaesar Ventures

Alganexalganex.comin𝕏

Alganex supplies certified organic Spirulina platensis powder, a nutrient-dense microalgae product cultivated in Italy, for use as a food supplement, functional ingredient, animal feed component, and cosmetic ingredient across B2B markets.

AgTechBiotechFoodTechNew Materials

Allihopallihoptravel.com
ALTRaltrfltr.comin

ALTR builds alcohol separation technology, including its Velvet Blade precision system, that lets beverage makers reduce the alcohol content of drinks such as wine while preserving flavor and sensory qualities.

Deep TechFoodTechHardware

Co-investorsAZ Venture Capital Inc.Bluestein VenturesFTW VenturesJoyance PartnersTet Ventures

Ammptechammptech.nl
ANOTHER EARTHanotherearth.aiin

Another Earth builds an AI-powered platform that generates synthetic Earth Observation data to enable organizations to monitor, simulate, and predict planetary changes.

AI & Machine LearningClimate TechData & InfrastructureDeep Tech

Maya Pindeus(Founder)Felix Geremus(Founder)

Co-investorsWakeUp Capital

Asisteasisteapp.co
Atamaatama.ai
Atlashomeatlashome.hn

Fabio Madrid(Founder)in

Auxenauxen.io

Ashutosh Kutumbale(Founder)in

Aziobotaziobot.com
Babymoonbabymooncare.com
Balamgetbalam.com.mx
Bamomasbamomas.nl
baSeqbaseq.dkin

baSeq offers an AI agent network that autonomously orchestrates bioinformatics workflows on raw, multi-modal experimental data, executing analysis steps and generating documentation with scientist approval at each critical decision point.

AI & Machine LearningBiotechEnterprise Software

BCHARbchar.earthin

BCHAR builds turn-key biochar production systems that combine automated hardware with built-in MRV software to convert agricultural biomass waste into biochar and generate carbon credits.

AgTechCleantechClimate Tech

Darius E. Stulz(Founder)in

Beeouxbeeoux.com

The site publishes articles about online casinos and casino games, with content focused on the South African market.

Media & Entertainment

Beholderbeholder.earth

Beholder provides AI-powered geological modeling and analysis for mineral and geothermal energy exploration.

AgTechAI & Machine LearningCleantechDeep TechEnergyImpact & Social GoodSpace TechTallinn, EE

betaalbare en duurzame energieimefficiency.com

Co-investorsBOM

Beyond Weatherbeyond-weather.comin

Beyond Weather develops AI-powered long-range weather forecasting models for businesses and NGOs, enabling predictions weeks to months ahead.

AgTechAI & Machine LearningClimate TechEnergyAmsterdam, NL

JannesSem VijverbergSteven

BoardDim Coumou(Professor of Climate Extremes & Societal Risk at VU Amsterdam)

Bia Powerbiapower.ioin

Bia develops a platform for operators of electric vehicle fleets to optimize operations and provide grid services.

EnergyIoTMobility & TransportationSaaS

Co-investorsBStartupEIT Urban Mobility AcceleratorShip2B

Bioticbiotic-labs.comin𝕏

Biotic Labs develops biological processes to manufacture bio-based, biodegradable polymers that replace fossil-fuel plastics for industrial and consumer applications.

BiotechCircular EconomyCleantechNew Materials

Co-investorsThe Yield Lab Asia PacificUM6P VenturesThe Yield Lab

Birdsbirds.ai𝕏

Personal website of Camiel R.

AI & Machine Learning

Blirobliro.ioinFeb 2025

Bliro is an AI assistant for sales teams that automates administrative work such as meeting preparation, follow-ups, CRM updates, emails, and note-taking during online and in-person meetings.

AI & Machine LearningSaaSSales TechMunich, DE

Maurice Schweitzer(Founder)

Co-investorsLEA Partners468 Capital

Bloominversionesbloom.com
BrainTripbraintrip.nlin

Braintrip is a Netherlands-based creative agency offering branding, campaigns, strategy, platform, and employer branding services.

AdTechMarketing Tech

Bright Energybright-energy.euin

Bright Energy provides battery units, mobile EV charging, smart electric cabinets, and an energy management platform for planning, monitoring, and controlling power on construction sites.

CleantechConstruction TechEnergy

Arne Van Acker(Founder)inLisse Van Acker(Founder)in

BugBiomebugbiome.comin

Bugbiome develops crop protection products for farmers that aim to work with natural systems.

AgTechBiotechClimate Tech

Dr Alicia Showering(Founder)in

Co-investorsAg Ventures AllianceAgLaunch AcceleratorAvonmore DevelopmentsCambridge Angels group

Bundlesbundles.nlin𝕏

Bundles offers subscription plans for household appliances (white goods such as Miele washing machines) and coffee machines, delivering and installing them and charging based on usage rather than ownership.

Circular EconomyConsumerIoT

Marcel Peters(Founder)in

Carbonspacecarbonspace.tech

Co-investorsThe Yield LabThe Yield Lab Europe

Cardiomocardiomo.com
carecarezambia.orgin𝕏

CARE International in Zambia is a humanitarian and development organization working since 1992 to address poverty and gender inequality through programs in water, sanitation, health, agriculture, education, and social protection.

AgTechHealthtechImpact & Social GoodLusaka, ZM

Co-investorsBongoHiveAngel InvestCaesar Ventures

ChefMechefme.dkin

ChefMe is a booking platform that connects private chefs with customers for events, where the chef brings the ingredients, cooks and serves at the customer's home, and cleans up the kitchen.

ConsumerFoodTechMarketplaces

Thomas Mamburay(Founder)in

Circadiancircadian.io

Co-investorsGreat Stuff Ventures

Circular Iqcircular-iq.comin

Circular IQ offers a software platform for measuring and reporting circular economy performance, including support for the WBCSD Circular Transition Indicators (CTI) and ESRS E5 compliance.

Circular EconomyClimate TechSaaS

Roy Vercoulen(Founder)in

Co-investorsShamrock Ventures

Clairifyclairify.ioin𝕏

Sweco is an architecture and engineering consultancy providing services in urban development, mobility, energy, water management, buildings, and ecology for public and private clients.

Climate TechConstruction TechEnergy

Cloudbizmicloudbiz.com
Colegiumcolegium.comin

Colegium provides digital school management software for educational institutions from preschool through K12, covering academic, financial, administrative, admissions, and communication functions.

EdTechSaaS

Complexearthcomplexearth.com

Complex Earth is a software studio that builds and configures assessment, planning, and implementation tools across the nature-risk lifecycle, using spatial and satellite data, LiDAR, and ecosystem science to map nature-related exposure and design nature-based solutions.

CleantechClimate TechSaaS

Contribecontribe.ioin

Contribe offers a checkout plugin that lets e-commerce brands add social and environmental donation pledges to their products, along with customer analytics on the causes shoppers care about.

E-commerceImpact & Social GoodMarketing Tech

Corduluscordulus.comin𝕏

Cordulus provides hyperlocal weather stations and a farm app that deliver real-time weather data, field-specific forecasts, and rain radar to help farmers plan planting, irrigation, and field work.

AgTechHardwareIoT

Stefan Michael Pedersen(Founder)inJohn Smedegaardin

Cramstackcramstack.com
Crowdsquadcrowdsquad.mx
Crownstonecrownstone.rocksin

Crownstone develops indoor positioning systems that enable businesses to locate people and assets within buildings with high accuracy.

Deep TechEnterprise SoftwareHardwareIoTRotterdam, NL

Peet van Tooren(CTO)

Currenttcurrentt.nlin

Currentt makes a locally-operating home energy management device and app that measures and controls electricity use directly from the meter cabinet, coordinating solar power with appliances such as heat pumps and boilers to cut energy costs.

CleantechEnergyIoTLeiden, NL

Koen Mulders(Founder)

Browse all 296 investments with full details →

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Portfolio news

latest coverage across their companies

Frequently asked questions

How many investments has Rockstart made?
Rockstart has 293 tracked investments, including 2 dated in the last 24 months.
What stage does Rockstart invest at?
Rockstart invests at the Pre-Seed, Seed, Series A, Series B stages.
What is Rockstart's typical check size?
Rockstart typically writes checks of $114.4K – $2.3M.
What sectors does Rockstart focus on?
Rockstart focuses on AgTech, Biotech, Cleantech, Climate Tech, Consumer, Data & Infrastructure, Deep Tech, Energy, Enterprise Software, Fintech, FoodTech, Hardware, Impact & Social Good, Mobility & Transportation, Retail Tech.
Where is Rockstart located?
Rockstart is headquartered in Amsterdam, NL.
Does Rockstart lead rounds?
Yes, Rockstart leads investment rounds.
Who does Rockstart co-invest with?
Rockstart most often shares deals with Kickstart Innovation, SICTIC, Tall Grass Ventures, among 90 tracked co-investors.

Media · Podcasts & interviews

featuring the team

E31: The Founder’s Reality: Rockstart CEO Rune Theill on Resilience, Network, and Sustainable Impact

Perception Paradox · Rune Theill

Max ter Horst pitches Rockstart Energy Fund

Ecosummit · Max ter Horst

Entrepreneurship and Sustainability ft Rune Theill, Rockstart

B2B Rocks · Rune Theill

138. Felipe Santamaria, Rockstart — El Papel de las Aceleradoras en el Ecosistema de Startup y más

Innovación Sin Barreras con Jaime Sotomayor · Felipe Santamaria

RSM Executive MBA alumnus, Mark Durno (Rockstart) shares his MBA experience

MBATUBE · Mark Durno

Rockstart with Rune Theill

The Business Simplicity Podcast · Rune Theill

Images

Rockstart photoRockstart photoRockstart photo

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