Investing in the sustainable future of the built environment

We support founders who make building and living more sustainable for people and the planet.

For investments, pitch us

CLIMATE AND BIODIVERSITY

Buildings produce over a third of global CO₂. With cities expanding, change can’t wait.

INEFFICIENT CONSTRUCTION

A $13T market with almost no productivity growth for the past decades needs digitization and innovation.

INDOOR HEALTH

We spend 90% of our lives indoors often in unhealthy spaces.

CIRCULAR MATERIALS

Construction consumes 50% of global raw materials. Circular business models are essential for a sustainable future.

What we do

SMART CAPITAL MEETS INDUSTRY INSIGHT

We support early-stage startups that are transforming the built environment through innovation in hardware, software, building materials, and business models.

Kiilto Ventures is the venture capital arm of Kiilto, a Finnish family-owned company with a long-standing legacy in manufacturing chemicals for construction, industry, and professional hygiene.

Learn more

Startups We're Proud to Back

kvistsolutions.com

Automating green certifications and sustainability reporting for real estate assets.

nobodyengineering.com​

Digital services for smarter, more sustainable buildings.

makeabim.com

Leveraging AI to accelerate digitization of existing buildings.

yuon.ch

Optimizing district heating networks with predictive, self-learning software.

recoma.com

Turning discarded waste into low-carbon, circular construction boards.

betolar.com

Lowering CO2 emissions and the use of virgin raw materials in construction and mining.

See full portfolio

Building the Future? Let’s Talk.

If you’re working on solutions for a better built environment,
we want to hear from you.

For investments, pitch us

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Ignaz

Founders: Juho Ojuva, Ilkka Lyyvuo 

CEO: Juho Ojuva 

Founding year: 2023

Invested: 2023

Description: Improving safety and sustainability within the hospitality industry with AI vision analytics.

Impact: Ignaz helps hospitality brands cut costs and boost trust with AI-powered hygiene, compliance, and food safety analytics.

Website: https://www.ignaz-analytics.com/

Cleandet

Founders: Juha Koivisto 

CEO: Riia Ranta 

Founding year: 2019

Invested: 2020

Description: Cleandet detects bacteria and viruses from surfaces with AI.

Impact: Cleandet uses AI to detect bacteria and viruses on surfaces, enabling smarter hygiene, safer spaces, and proactive infection prevention.

Website: http://cleandet.com/

Origin by Ocean

Founders: Mari Granström, Mikael Westerlund

CEO: Mari Granström

Founding year: 2019

Invested: 2020

Description: Origin by Ocean transforms invasive sargassum algae blooms into valuable bio-based ingredients replacing oil-based, synthetic chemicals in industries such as cosmetics, food, and textiles, addressing ocean pollution and promoting sustainable innovation.

Impact: By removing invasive sargassum, Origin by Ocean reduces eutrophication, ocean acidification, and methane emissions (300-600 kg CO2e / tonne of sargassum), helping marine biodiversity recover. Developing a sustainable sargassum supply chain in the Caribbean is creating hundreds of jobs across harvesting, logistics, and biorefining. In accordance with their zero-waste approach, the biomass residue is used as sustainable animal feed, soil enhancers, and composite materials.

Website: http://originbyocean.com/

Pi labs

Invested: 2021/2023

Description: Pi Labs is a London-based early-stage VC within the built environment.

Website: https://pilabs.vc/

Aiforsite

Founders: Kari Hirvijärvi

CEO: Kari Hirvijärvi

Founding year: 2016

Invested:  2020

Description: Optimising the management of construction organisations and projects with the help of AI and digital products.

Impact: Enhances site efficiency by aligning planned and actual work, minimizing wasted tool time, and optimizing resource use. Supports better decision-making through clearer, time-saving reporting.

Website: http://aiforsite.com/

Betolar

Founders: Juha Leppänen

Founding year: 2016 

Invested: 2021

Description: Betolar is a materials technology company developing low-carbon alternatives to traditional cement and concrete. Its Geoprime® solution uses industrial side streams to create concrete products with significantly reduced environmental impact. The company also develops solutions for the mining and metals industries to improve resource efficiency.

Impact: Betolar enables a reduction in CO₂ emissions and the use of virgin materials in construction and mining. By turning industrial waste into valuable input, it supports the circular economy and lowers the environmental footprint of construction and mining industries.

Website: http://betolar.com/

Delox

Founders: Fadhil Musa, Fernando Antunes

CEO: Fadhil Musa

Founding year: 2018

Invested: 2021

Description: Bringing compact, automatic bio-decontamination equipment using hydrogen peroxide vapor to health, pharma, industry 4.0, biodefense and space.

Impact: Delox is offering more cost-effective bio-decontamination solution.

Website: https://delox.pt/

Asumma

Founders:  Pekka Airaxin, Martti Mela, Vitali Balajevs

CEO: Pekka Airaxin

Founding year: 2021

Invested: 2022

Description: Asumma designs and delivers sustainable homes built from engineered wood. The company combines architecture, software, and modular construction to produce smart, low-emission housing tailored to individual needs.

Impact: Asumma contributes to lower carbon emissions in housing by using renewable materials like CLT (cross-laminated timber) and optimizing energy efficiency in design and construction. 

Website: http://asumma.com/

Kamma

Founders: Orla Shields, Richard Lainchbury

Founding year: 2015

Invested: 2023

Description: Kamma offers two distinct services: firstly, a SaaS platform that automates property licensing compliance, helping landlords and agents navigate complex regulations efficiently, and secondly, data analytics and retrofit explorer for quickly analyzing different retrofitting options. 

Impact: By streamlining compliance processes, Kamma promotes legal adherence and reduces administrative burdens, indirectly supporting sustainable property management. In addition, the retrofit explorer enables cost efficient retrofit opportunities, providing also insights on the EPC rating, energy bills and property valuation. 

Website: https://www.kammadata.com/

Voltan

Founder: Miikka Lemmetty, Richard Cawen 

CEO:  Miikka Lemmetty

Founding year: 2020

Invested: 2023

Description: Making emission-free, geothermal heating and cooling cost-effective for residential buildings. Voltan finances and builds the systems, then handles their operation and maintenance. The end users pay only for the energy they consume, without facing expensive upfront investments or complicated construction projects.

Impact: Voltan helps reduce emissions from residential heating and cooling by enabling the shift to geothermal systems. 

Website: https://voltanenergy.com/en/home/

Recoma

Founders: Max Rosenberg, Henrik Lennartsson

CEO: Max Rosenberg

Founding year: 2021

Invested: 2023

Description: Recoma turns discarded food and beverage cartons into low-carbon, fully circular construction boards, offering sustainable alternatives to traditional boards such as OSB without extra cost or effort.​ 

Impact:  Recoma’s fully recycled and recyclable products have LCA emissions of -12.4kg CO2e / sqm (1 sqm = 10.45kg). 

Website: https://www.recoma.com/

Yuon Control

Founders: Sebastian Hersberger, Josef Jenni, Lorin Mühlebach, Mehmet von Burg

CEO: Sebastian Hersberger

Founding year: 2020

Invested: 2024

Description: Software and hardware solution to provide deep insights into energy consumption and utilize that data to automatically optimize the heating of district heating networks and buildings.

Impact: Yuon Control’s technology helps lower energy consumption and greenhouse gas emissions of buildings up to 25% by heating buildings optimally. In addition, Yuon Control is able to help manage expensive peak loads.

Website: https://yuon.ch/

Make a BIM

Founders: Leo Salomaa, Ville-Matti Tanninen, Jami Valorinta

CEO: Leo Salomaa

Founding year: 2023

Invested: 2024

Description: Make a BIM uses AI to automatically convert scanned architectural drawings into IFC-compliant 3D building information models. This streamlines the digitization of existing buildings, making BIM adoption faster and more accessible.

Impact: By automating BIM creation, Make a BIM reduces repetitive manual expert work, accelerates renovation and planning processes, and supports the digital transformation of the built environment. This contributes to more sustainable, efficient, and data-driven building management.

Website:  https://www.makeabim.com/

Nobody Engineering

Founders: Ville Ilkkala, Iridian Kiiskinen, Kari Ilkkala

CEO: Ville Ilkkala

Founding year: 2018

Invested: 2024

Description: Nobody Engineering offers a patent-pending IoT device combined with software robotics to connect outdated building automation systems to modern digital services. This plug-and-play solution allows for real-time data collection and control, extending the life of existing HVAC and control systems. It eliminates the need for costly upgrades, enabling scalable deployment of digital solutions across diverse building types.

Impact: Nobody Engineering’s solution connects legacy Building Automation Systems (BAS) to smart services enabling energy and CO2e savings through optimization. This postpones the need for costly BAS upgrades / renovating of building till later.

Website: nobodyengineering.com

Kvist Solutions

Founders: Fabian Utigard, Mathias Engevik, Mathias Picker, Thomas Rankin, Henrik Udnes 

CEO: Fabian Utigard

Founding year: 2022

Invested: 2024

Description: Kvist Solutions’ software helps real estate and construction companies simplify and streamline green building certifications (e.g. BREEAM and LEED) and sustainability reporting (e.g. Taxonomy, CSRD, internal sustainability management).

Impact: Kvist helps accelerate the construction industry’s transition to sustainability by enabling easier and automated compliance with certificates, EU Taxonomy, CSRD and internal sustainability management, promoting more efficient resource use and lower environmental footprint of buildings.

Website:
kvistsolutions.com

Matti Rönkkö

Experience & background

  • +15 years of startup and scaleup experience across different roles across multiple countries and continents
  • Previous experience from eg. Rocket Internet and as CEO of Nosto Solutions
  • Seen the ups and downs of the startup world


Focus area

  • Managing Director
  • Keep building an amazing team who can best support our portfolio companies in developing as well as find the future world class founders & teams
  • Help our portfolio founders and companies grow
  • Deliver value to our portfolio founders, our mother company, owners and the whole ecosystem within the sustainable built environment