# Top 50 Construction Startups Founded in 2021 by Funding (2026)

> The 50 best-funded construction startups founded in 2021, ranked by total funding raised: $2.8B combined.

Source: https://millionrounds.com/top-lists/construction-startups-founded-2021 (Millionrounds; every figure on the page links to its filing or article)

- 1 [**Renewa** Renewa is a land and infrastructure investor in the renewable energy industry.](https://millionrounds.com/company/renewa) Renewa is a land and infrastructure investor in the renewable energy industry. *Founded* 2021 Houston, United States **$502M** last round Jan 2026
- 2 [**TeraWulf** TeraWulf is a bitcoin mining company that produces zero-carbon energy for crypto mining.](https://millionrounds.com/company/terawulf) TeraWulf is a bitcoin mining company that produces zero-carbon energy for crypto mining. *Founded* 2021 Easton, United States **$500M** last round Oct 2025
- 3 [**Panthalassa** Panthalassa is a public-benefit corporation based in Portland, Oregon, founded in 2016.](https://millionrounds.com/company/panthalassa) Panthalassa is a public-benefit corporation based in Portland, Oregon, founded in 2016. *Founded* 2021 Portland, United States **$365M** last round Aug 2026
- 4 [**Shop Circle** Shop Circle is a technology company that acquires and grows e-commerce software.](https://millionrounds.com/company/shop-circle) Shop Circle is a technology company that acquires and grows e-commerce software. *Founded* 2021 London, Italy **$160M** last round Sept 2025
- 5 [**Startous fusion** Startous fusion focuses on commercializing fusion energy aiming to build commercial controllable fusion reactor.](https://millionrounds.com/company/startous-fusion) Startous fusion focuses on commercializing fusion energy aiming to build commercial controllable fusion reactor. *Founded* 2021 China **$143M** last round Jan 2026
- 6 [**Miter** Simple, powerful HR + finance software for contractors.](https://millionrounds.com/company/miter) Simple, powerful HR + finance software for contractors. *Founded* 2021 San Francisco, United States **$113M** last round Sept 2026
- 7 [**Aquaria** Aquaria is a climate technology company founded in 2021 by brothers Brian and Eric Sheng.](https://millionrounds.com/company/aquaria) Aquaria is a climate technology company founded in 2021 by brothers Brian and Eric Sheng. *Founded* 2021 Austin, United States **$100M** last round Nov 2024
- 8 [**Tem** Tem Energy Limited, based in London, is an innovative energy technology company founded in 2021.](https://millionrounds.com/company/tem) Tem Energy Limited, based in London, is an innovative energy technology company founded in 2021. *Founded* 2021 London, United Kingdom **$75M** last round Feb 2026
- 9 [**Reframe Systems** Reframe Systems is a physical AI and construction technology startup focused on transforming the housing industry.](https://millionrounds.com/company/reframe-systems) Reframe Systems is a physical AI and construction technology startup focused on transforming the housing industry. *Founded* 2021 Andover, United States **$60M** last round Aug 2026
- 10 [**Jito Labs** Jito Labs is a leading infrastructure provider for the Solana blockchain, focusing on low-latency Maximal Extractable Value (MEV) solutions.](https://millionrounds.com/company/jito-labs) Jito Labs is a leading infrastructure provider for the Solana blockchain, focusing on low-latency Maximal Extractable Value (MEV) solutions. *Founded* 2021 Arlington, United States **$60M** last round Oct 2025
- 11 [**PermitFlow** PermitFlow is an AI-powered pre-construction platform that automates the construction permitting lifecycle for builders, developers, and contractors across the](https://millionrounds.com/company/permitflow) PermitFlow is an AI-powered pre-construction platform that automates the construction permitting lifecycle for builders, developers, and contractors across the *Founded* 2021 New York, United States **$54M** last round Dec 2025
- 12 [**Adaptive Real Estate** Adaptive Real Estate helps construction teams save time and money.](https://millionrounds.com/company/adaptive-real-estate) Adaptive Real Estate helps construction teams save time and money. *Founded* 2021 New York, United States **$49M** last round Sept 2026
- 13 [**Samara** Samara is a multifamily office created by families for families to grow and preserve their wealth across generations.](https://millionrounds.com/company/samara) Samara is a multifamily office created by families for families to grow and preserve their wealth across generations. *Founded* 2021 United States **$47M** last round Sept 2025
- 14 [**Mach9** Mach9 is building the fastest geospatial production platform for engineering and construction firms globally, starting with Digital Surveyor](https://millionrounds.com/company/mach9) Mach9 is building the fastest geospatial production platform for engineering and construction firms globally, starting with Digital Surveyor *Founded* 2021 Pittsburgh, United States **$46M** last round Oct 2026
- 15 [**NeoCem** NeoCem creates, manufactures, and promotes a variety of low-carbon cements for the building industry.](https://millionrounds.com/company/neocem) NeoCem creates, manufactures, and promotes a variety of low-carbon cements for the building industry. *Founded* 2021 France **$45M** last round Jul 2026
- 16 [**Trunk Tools** Trunk Tools is an innovative artificial intelligence company focused on construction project management technology.](https://millionrounds.com/company/trunk-tools) Trunk Tools is an innovative artificial intelligence company focused on construction project management technology. *Founded* 2021 PRINCE, United States **$40M** last round Jul 2025
- 17 [**Flox** Flox is a software development platform that creates reproducible environments for the entire software lifecycle.](https://millionrounds.com/company/flox) Flox is a software development platform that creates reproducible environments for the entire software lifecycle. *Founded* 2021 New York, United States **$29M** last round Sept 2025
- 18 [**Paebbl** Paebbl is a climate technology company founded in 2021, based in Stockholm, Sweden, with operational hubs in London, Rotterdam, and Helsinki.](https://millionrounds.com/company/paebbl) Paebbl is a climate technology company founded in 2021, based in Stockholm, Sweden, with operational hubs in London, Rotterdam, and Helsinki. *Founded* 2021 Stockholm, Sweden **$25M** last round Oct 2024
- 19 [**Plantd** Plantd is a startup founded in 2021, based in Oxford, North Carolina, that specializes in manufacturing carbon-negative building materials from fast-growing per](https://millionrounds.com/company/plantd) Plantd is a startup founded in 2021, based in Oxford, North Carolina, that specializes in manufacturing carbon-negative building materials from fast-growing per *Founded* 2021 Oxford, United States **$22M** last round Sept 2025
- 20 [**Alternative Payments** Alternative Payments is a fintech company based in New York, founded in 2021.](https://millionrounds.com/company/alternative-payments) Alternative Payments is a fintech company based in New York, founded in 2021. *Founded* 2021 Myrtle Point, United States **$22M** last round Apr 2025
- 21 [**Trebellar** Trebellar is an AI-native platform company based in San Francisco, California, founded in 2021.](https://millionrounds.com/company/trebellar) Trebellar is an AI-native platform company based in San Francisco, California, founded in 2021. *Founded* 2021 San Francisco, United States **$22M** last round Sept 2026
- 22 [**Partanna** Partanna Global, founded in 2021 by Rick Fox and Sam Marshall, is an American company focused on green technology and advanced materials.](https://millionrounds.com/company/partanna) Partanna Global, founded in 2021 by Rick Fox and Sam Marshall, is an American company focused on green technology and advanced materials. *Founded* 2021 Nassau, Bahamas **$20M** last round Jun 2025
- 23 [**Parspec** Parspec is an AI-native software platform founded in 2021, focused on enhancing the construction materials supply chain.](https://millionrounds.com/company/parspec) Parspec is an AI-native software platform founded in 2021, focused on enhancing the construction materials supply chain. *Founded* 2021 Stanford, United States **$20M** last round Jul 2025
- 24 [**ZENRG Services** ZENRG Services, based in Houston and founded in 2021, specializes in emission reduction solutions for the oil and gas industry.](https://millionrounds.com/company/zenrg-services) ZENRG Services, based in Houston and founded in 2021, specializes in emission reduction solutions for the oil and gas industry. *Founded* 2021 Houston, United States **$18M** last round Oct 2024
- 25 [**TULU** TULU is a PropTech company founded in 2019 and headquartered in New York, NY, with additional offices in Tel Aviv, Israel, and London, UK.](https://millionrounds.com/company/tulu) TULU is a PropTech company founded in 2019 and headquartered in New York, NY, with additional offices in Tel Aviv, Israel, and London, UK. *Founded* 2021 New York, United States **$17M** last round Nov 2025
- 26 [**Promise Robotics** Promise Robotics is a Canadian startup based in Toronto, specializing in artificial intelligence and advanced manufacturing for the homebuilding industry.](https://millionrounds.com/company/promise-robotics) Promise Robotics is a Canadian startup based in Toronto, specializing in artificial intelligence and advanced manufacturing for the homebuilding industry. *Founded* 2021 Toronto, Canada **$17M** last round Jun 2025
- 27 [**Nuon** Nuon Medical, founded in 2010 by Alain Dijkstra, is a technology partner that enhances conventional cosmetic packaging by integrating clinically validated medic](https://millionrounds.com/company/nuon) Nuon Medical, founded in 2010 by Alain Dijkstra, is a technology partner that enhances conventional cosmetic packaging by integrating clinically validated medic *Founded* 2021 San Francisco, United States **$17M** last round Dec 2024
- 28 [**Iridium Molybdenum Intelligent** Iridium Molybdenum Intelligent engages in creating intelligent construction machinery products and providing integrated solutions.](https://millionrounds.com/company/iridium-molybdenum-intelligent) Iridium Molybdenum Intelligent engages in creating intelligent construction machinery products and providing integrated solutions. *Founded* 2021 Ordos **$16M** last round Mar 2023
- 29 [**Modhaus** Modhaus is a South Korean entertainment agency and record label based in Seoul, founded on November 30, 2021, by Jaden Jeong and Joseph Baek.](https://millionrounds.com/company/modhaus) Modhaus is a South Korean entertainment agency and record label based in Seoul, founded on November 30, 2021, by Jaden Jeong and Joseph Baek. *Founded* 2021 Seoul, South Korea **$15M** last round Aug 2025
- 30 [**The Seeds Labs** Seeds Labs is the developer of the Web3 game Bladerite, which emphasizes high-quality games and game infrastructure.](https://millionrounds.com/company/the-seeds-labs) Seeds Labs is the developer of the Web3 game Bladerite, which emphasizes high-quality games and game infrastructure. *Founded* 2021 - **$12M** last round May 2024
- 31 [**Iniciador** Iniciador is a Brazilian fintech and payment institution based in São Paulo, authorized by the Central Bank of Brazil.](https://millionrounds.com/company/iniciador) Iniciador is a Brazilian fintech and payment institution based in São Paulo, authorized by the Central Bank of Brazil. *Founded* 2021 Sao Paulo, Brazil **$12M** last round Aug 2025
- 32 [**Agraga** Agraga, officially known as Virya Logistics Technologies Private Limited, is a digital logistics platform based in Chennai, Tamil Nadu, India.](https://millionrounds.com/company/agraga) Agraga, officially known as Virya Logistics Technologies Private Limited, is a digital logistics platform based in Chennai, Tamil Nadu, India. *Founded* 2021 Chennai, India **$11M** last round Nov 2025
- 33 [**Monochrome** Monochrome offers digital asset exposure for wholesale clients via a secure, regulated, and familiar investment vehicle.](https://millionrounds.com/company/monochrome) Monochrome offers digital asset exposure for wholesale clients via a secure, regulated, and familiar investment vehicle. *Founded* 2021 Japan **$11M** last round Apr 2026
- 34 [**Material Depot** Material Depot is a SAAS company that offers Discovery engine and AI design toolhfor home improvement requirements.](https://millionrounds.com/company/material-depot) Material Depot is a SAAS company that offers Discovery engine and AI design toolhfor home improvement requirements. *Founded* 2021 India **$10M** last round Feb 2026
- 35 [**ZippMat** ZippMat is a rapidly growing integrated supply chain company in India, founded in 2021.](https://millionrounds.com/company/zippmat) ZippMat is a rapidly growing integrated supply chain company in India, founded in 2021. *Founded* 2021 Bengaluru, India **$10M** last round Sept 2022
- 36 [**Cybrid** Cybrid is a fintech infrastructure company founded in 2021, based in Toronto, Ontario, with an additional office in Newark, New Jersey.](https://millionrounds.com/company/cybrid) Cybrid is a fintech infrastructure company founded in 2021, based in Toronto, Ontario, with an additional office in Newark, New Jersey. *Founded* 2021 Toronto, Canada **$10M** last round Oct 2025
- 37 [**Difon** Difon is a developer of smart window solution technology, which is designed to regulate sunlight transmittance.](https://millionrounds.com/company/difon) Difon is a developer of smart window solution technology, which is designed to regulate sunlight transmittance. *Founded* 2021 South Korea **$9.4M** last round Sept 2023
- 38 [**VESTIGAS** VESTIGAS is a German construction-tech company founded in 2021.](https://millionrounds.com/company/vestigas) VESTIGAS is a German construction-tech company founded in 2021. *Founded* 2021 Muenchen, Germany **$8.8M** last round Apr 2025
- 39 [**Cerebrium** Cerebrium is a modern data and AI platform for your business that doesn't require an entire data team.](https://millionrounds.com/company/cerebrium) Cerebrium is a modern data and AI platform for your business that doesn't require an entire data team. *Founded* 2021 London, South Africa **$8.5M** last round Jul 2025
- 40 [**Vasco** Vasco provides voyage management software for maritime management.](https://millionrounds.com/company/vasco) Vasco provides voyage management software for maritime management. *Founded* 2021 Canada **$8.0M** last round Jan 2025
- 41 [**Raise Robotics** Raise Robotics is a construction technology company founded in 2021, based in San Francisco, CA.](https://millionrounds.com/company/raise-robotics) Raise Robotics is a construction technology company founded in 2021, based in San Francisco, CA. *Founded* 2021 San Mateo, United States **$7.8M** last round Jul 2025
- 42 [**BuildPass** BuildPass provides software solutions for managing construction companies.](https://millionrounds.com/company/buildpass) BuildPass provides software solutions for managing construction companies. *Founded* 2021 Richmond, Australia **$7.5M** last round Oct 2024
- 43 [**Ailytics** Ailytics is a Singapore-based company specializing in AI-powered video analytics solutions for industrial sectors.](https://millionrounds.com/company/ailytics) Ailytics is a Singapore-based company specializing in AI-powered video analytics solutions for industrial sectors. *Founded* 2021 Singapore, Singapore **$7.4M** last round Oct 2026
- 44 [**MultiVM** MultiVM is a Layer 2 zk-rollup that allows to write smart contracts in several languages.](https://millionrounds.com/company/multivm) MultiVM is a Layer 2 zk-rollup that allows to write smart contracts in several languages. *Founded* 2021 - **$6.9M** last round May 2024
- 45 [**Sooper** Sooper is a managed B2B marketplace that connects building materials retailers with suppliers, making B2B commerce convenient and easy.](https://millionrounds.com/company/sooper) Sooper is a managed B2B marketplace that connects building materials retailers with suppliers, making B2B commerce convenient and easy. *Founded* 2021 São Paulo, Brazil **$5.9M** last round Jan 2022
- 46 [**Asap.work** asap.work is a neo-temporary staffing agency based in Paris, France, specializing in the construction industry.](https://millionrounds.com/company/asap-work) asap.work is a neo-temporary staffing agency based in Paris, France, specializing in the construction industry. *Founded* 2021 Paris, France **$5.5M** last round Apr 2023
- 47 [**Vergo** Vergo is a technology company and financial platform provider focused on the construction industry.](https://millionrounds.com/company/vergo) Vergo is a technology company and financial platform provider focused on the construction industry. *Founded* 2021 New York, United States **$5.0M** last round Jun 2023
- 48 [**Tanaku** Tanaku is a proptech company based in Jakarta, Indonesia, dedicated to making homeownership more accessible.](https://millionrounds.com/company/tanaku) Tanaku is a proptech company based in Jakarta, Indonesia, dedicated to making homeownership more accessible. *Founded* 2021 Jakarta, Indonesia **$5.0M** last round Jul 2022
- 49 [**Wreno** End-to-end vendor compliance management and new vendor sourcing platform for the real estate industry.](https://millionrounds.com/company/wreno) End-to-end vendor compliance management and new vendor sourcing platform for the real estate industry. *Founded* 2021 Scottsdale, United States **$5.0M** last round Aug 2022
- 50 [**Sodex Innovations** Sodex Innovations is a company which is specialized in developing assistance-systems and automating-kits for excavators](https://millionrounds.com/company/sodex-innovations) Sodex Innovations is a company which is specialized in developing assistance-systems and automating-kits for excavators *Founded* 2021 Lorüns, Austria **$4.6M** last round Jul 2026

**Total funding** how the list is ranked

**15 November 2026** updated nightly

**Rounds we track** source: Millionrounds

Companies founded in 2021 whose funding rounds we classed in this sector, ranked by the total they have raised in rounds we hold. Nobody pays to be on a list.

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