FJ Labs

FJ Labs, established in 2015 and headquartered in New York, is a stage-agnostic investment firm focusing on marketplaces and consumer-facing startups. It invests in seed and series A rounds, with a typical investment range of $50,000 to $5,000,000. The firm's portfolio includes notable companies such as Alibaba Group, Beepi, BrightRoll, Betterment, Adore Me, and Earnest, spanning sectors like e-commerce, fintech, and ad tech.

Matias Barbero

Investor

Zineb Belghiti

Operations Associate

William Guillouard

Operating Partner

Arne Halleraker

Principal

Christopher Keshian

Investor

Ariel Lebowits

CFO

Jose Marin

Co-Founder

Güimar Vaca Sittic

Venture Partner

Jeff Weinstein

Partner

Past deals in Construction

StruxHub

Seed Round in 2024
StruxHub is a developer of construction management software aimed at addressing the coordination challenges faced by general contractors in construction projects. The company's platform enhances operational efficiency by providing tools for field schedule management, task management, calendar management, delivery management, and digitized work permits and inspection forms. These features enable clients to improve communication and coordination with their trade partners through real-time logistics and schedule tracking systems. StruxHub was founded on insights gathered from builders on job sites, highlighting the need for better tools to manage the complexities of construction projects. The company is committed to helping builders achieve greater transparency, reduce waste, and ensure more consistent outcomes in their operations. Ultimately, StruxHub seeks to empower construction professionals by addressing their day-to-day operational needs effectively.

BuildCasa

Seed Round in 2024
BuildCasa is a housing company focused on addressing the housing supply shortage in America. The company assists homeowners in selling unutilized lot space, providing them with an opportunity to maximize the value of their properties. By offering financial support of up to $250,000, BuildCasa enables homeowners to construct additional housing on their extra lot space. This approach not only helps homeowners realize the full potential of their properties but also contributes to increasing the overall housing supply.

AI Clearing

Series A in 2023
AI Clearing is a technology company that focuses on improving the construction industry through artificial intelligence. Established in 2020 and headquartered in Austin, Texas, the company offers an AI-driven platform that automates construction progress reporting and quality control. Its AI Surveyor tool enables fully automated tracking of construction activities and facilitates real-time identification of potential issues, enhancing project oversight. By processing inputs from various construction projects, AI Clearing generates accurate measurements that aid in payment approvals and provide insightful analysis and reports. Its solutions are designed to foster trust and increase productivity among construction businesses, and the technology has been adopted by industry leaders across the United States, Canada, Europe, and the Middle East.

Schüttflix

Series A in 2023
Schüttflix GmbH, founded in 2018 and based in Gütersloh, Germany, operates a digital marketplace and delivery platform for bulk construction supplies, including sand, crushed rock, and gravel. The platform serves as a logistics hub for the construction industry, connecting construction companies with suppliers, waste disposal firms, and freight carriers. By facilitating the ordering, tracking, and management of construction materials through its application, Schüttflix aims to minimize downtime and enhance project efficiency for its users.

Juno

Series A in 2023
Juno Residential, Inc. is a company based in San Francisco, California, focused on the development of residential apartments. Established in 2018, Juno Residential specializes in creating prefabricated housing solutions that prioritize environmental sustainability. The company employs innovative prefabrication techniques and utilizes organic, low-carbon materials such as mass timber to construct modern and curated living spaces. By offering these eco-friendly and efficient housing alternatives, Juno aims to address the growing demand for sustainable residential options.

Fuel Me

Series A in 2023
Fuel Me is a cloud-based technology platform that aims to enhance the procurement process for fuel, lubricants, and related products and services, primarily serving the transportation and construction industries. The platform is designed to simplify the ordering and delivery of bulk fuel, making the process more efficient, cost-effective, and transparent for businesses. Fuel Me enables clients to manage their orders comprehensively through a reliable nationwide vendor network, ensuring a streamlined experience from initiation to delivery.

Constrafor

Venture Round in 2023
Constrafor is a SaaS and fintech company focused on enhancing productivity and cost-efficiency in the construction industry. Its cloud-based platform simplifies and standardizes essential back-office tasks for general contractors and subcontractors, including subcontractor procurement, contract management, certificates of insurance, invoicing, and payments. The platform facilitates streamlined interactions among stakeholders, enabling multiple bids on projects and efficient communication with suppliers. Additionally, Constrafor provides subcontractors with receivables financing options, such as an Early Pay Program, which accelerates the invoice payment cycle and increases cash flow, allowing them to take on more projects. Overall, Constrafor aims to transform the construction procurement process, making it more efficient and effective for all parties involved.

Rive

Pre Seed Round in 2023
Rive is redefining how people buy, sell, and rent homes. Rive brings simplicity to switching homes by providing liquidity to sellers and fully renovated, move-in-ready homes for buyers while providing real estate agents with a unique combination of tech tools and products to give superior service to their customers. As a result, our customers have access to everything they need for a successful real estate transaction, from cutting-edge real-time market insights to renovation services delivered by local real estate professionals who guide them at every step. ‘Rive’ means leading edge and groundbreaking, just like the idea Rive was founded on: that selling homes should be simple and stress-free. To make this a reality, the Rive platform brings together all the different solutions that you need to change your life and property. Since we started in 2017, we have grown from a local iBuyer into a team of more than 300 real estate professionals in Finland, Spain, and Poland, and expanded our offering into a full-service real estate platform that provides a range of solutions for selling, buying, renovating, and financing your home. Rive is headquartered in Helsinki and is operating in all the major cities in Finland as well as Warsaw, Poland, and Madrid and Barcelona, Spain. Rive service concept is developed by Homerun Technologies Ltd. You can find more about us: www.rivehomes.com

Freemodel

Series A in 2023
Freemodel specializes in pre-home renovation services designed to assist real estate agents in buying and selling properties. The company manages the entire renovation process, which includes selecting materials and colors, preparing construction documentation, creating build schematics, and developing dynamic visualizations and permit plans. By streamlining these services, Freemodel aims to maximize the sale price of homes while minimizing complexity and capital requirements for clients involved in property remodeling and pre-sales preparations.

ROOM

Series A in 2023
ROOM is a startup that specializes in reshaping the modern workspace. It designs a modern workplace system through flexible alternatives that make more room for people at work and also build prefabricated, self-assembled, sound-proofed, ventilated, and powered booths. It enables users to make extra room in the budget without compromising quality and provides employees with a place to take a video call or get some uninterrupted time to focus on work. The company was co-founded by Morten Meisner-Jensen and Brian Chen in 2018.

Freemodel

Series A in 2023
Freemodel specializes in pre-home renovation services designed to assist real estate agents in buying and selling properties. The company manages the entire renovation process, which includes selecting materials and colors, preparing construction documentation, creating build schematics, and developing dynamic visualizations and permit plans. By streamlining these services, Freemodel aims to maximize the sale price of homes while minimizing complexity and capital requirements for clients involved in property remodeling and pre-sales preparations.

Yardlink

Series A in 2022
YardLink is a B2B procurement platform tailored for the construction industry, founded in 2018 and based in London, England. It provides contractors with access to a wide range of tools, equipment, bulk materials, fuel, waste management services, and other necessary supplies. The platform facilitates the process of finding, booking, and paying for these resources, while also aiming to reduce the carbon footprint of construction projects by linking contractors with approved local suppliers. By leveraging technology, YardLink optimizes the procurement process, allowing builders to efficiently connect with equipment rental companies and manage their resources effectively.

Assembly OSM

Series A in 2022
Assembly OSM Inc., established in 2020 and headquartered in New York, specializes in the design and construction of architecturally distinctive high-rise buildings. The company employs innovative building systems that enhance both the aesthetics and performance of their structures while utilizing sustainable materials. Assembly OSM's approach allows for a diverse range of projects, including hotels, healthcare facilities, and office complexes, providing clients with significant advantages in terms of reduced time to completion and greater cost and schedule certainty compared to traditional construction methods. By prioritizing flexibility and efficiency in their operations, Assembly OSM aims to transform the building delivery process.

Ergeon

Series B in 2022
Ergeon operates a global construction marketplace aimed at transforming the multi-trillion-dollar construction industry. Focused on outdoor home improvement, the company provides services such as fence installation, hardscapes, and landscaping for both commercial and residential clients. By leveraging a skilled global workforce and proprietary technology, Ergeon offers a user-friendly platform that allows customers to visualize, plan, and manage their projects with ease. This approach enables fast, responsive service, transparent pricing, and high-quality craftsmanship, simplifying the home improvement process for property owners. With over 8,000 satisfied customers benefiting from their services, Ergeon is poised to expand its offerings to include more complex building projects. Founded by two experienced entrepreneurs with a passion for technology, the company emphasizes enhancing the home improvement experience for families and communities.

Weaver

Seed Round in 2022
Weaver is a platform designed to connect main contractors with vetted residential projects, streamlining the process for both parties. The service ensures that homeowners are prepared to proceed, with complete design information and a genuine commitment to their projects, thereby minimizing time spent on unproductive leads. Contractors can specify their business preferences, allowing the platform to match them with suitable opportunities that align with their goals. Additionally, Weaver offers a range of digital services for architects and construction professionals, including tender management workflows and compliance checks for insurance and trade accreditations. This comprehensive approach facilitates seamless collaboration among consultants, contractors, and clients while helping to reduce costs and risks associated with construction projects.

Boom & Bucket

Seed Round in 2022
Boom & Bucket operates an online marketplace focused on the buying and selling of used heavy equipment for contractors. This business-to-business platform enables equipment owners to list their available machinery while allowing buyers to compare prices and select from multiple listings. The marketplace simplifies the process for construction companies and contractors, facilitating the acquisition of heavy equipment through options for purchase, sale, or rental, as well as providing financing alternatives.

Yardlink

Series A in 2022
YardLink is a B2B procurement platform tailored for the construction industry, founded in 2018 and based in London, England. It provides contractors with access to a wide range of tools, equipment, bulk materials, fuel, waste management services, and other necessary supplies. The platform facilitates the process of finding, booking, and paying for these resources, while also aiming to reduce the carbon footprint of construction projects by linking contractors with approved local suppliers. By leveraging technology, YardLink optimizes the procurement process, allowing builders to efficiently connect with equipment rental companies and manage their resources effectively.

Aikito

Pre Seed Round in 2022
Aikito is a real estate platform that assists landlords and providers in executing office deals and managing construction projects efficiently. The company offers a comprehensive solution that encompasses financing, design, and project management throughout the entire lifecycle of commercial real estate projects. Aikito specializes in non-dilutive financing, allowing businesses to invest in their own growth rather than financing external assets. By providing a vetted construction marketplace and sustainable buildout services, Aikito helps clients avoid common pitfalls associated with expansion, such as unexpected budget overruns and vendor selection challenges. This approach not only simplifies the process but also aligns with the clients' sustainability goals, ensuring a streamlined and responsible approach to business expansion.

Oico

Seed Round in 2021
Oico is an online marketplace in Brazil that streamlines the purchasing process for construction materials. The platform replaces the manual effort involved in finding vendors, comparing quotes, and managing orders by offering a comprehensive solution. It facilitates order management, provides pricing and quoting services, handles invoicing, tracks orders, and manages deliveries and payments. As a result, Oico enhances product availability and improves the overall purchasing experience for its clients in the construction industry.

Flexcavo

Seed Round in 2021
Flexcavo GmbH, established in 2020 and located in Rosenheim, Germany, specializes in the rental of construction machinery through both online and offline platforms. The company aims to enhance the long-term profitability of construction firms by creating an integrated ecosystem that combines software with asset operations. This ecosystem serves as a central operating system for modern construction companies, allowing contractors to improve productivity and optimize the utilization of their construction fleets.

Concord Materials

Seed Round in 2021
Concord Materials is an Integrated material management platform for aggregate providers and ready-mix operators.

TOOLBX

Series A in 2021
TOOLBX Inc. is a technology company based in Toronto, Canada, that specializes in providing a digital platform for builders, contractors, and renovators to streamline the procurement of construction materials. Established in 2016, TOOLBX offers an extensive marketplace that features a wide range of building products, allowing users to place customized orders with various suppliers. The platform enhances efficiency and productivity by facilitating jobsite and crew management services, as well as providing options for delivery and unloading of materials. By adapting to the evolving construction landscape, TOOLBX aims to meet the needs of contractors and suppliers, ensuring that teams have timely access to the materials required for their projects.

Constrafor

Seed Round in 2021
Constrafor is a SaaS and fintech company focused on enhancing productivity and cost-efficiency in the construction industry. Its cloud-based platform simplifies and standardizes essential back-office tasks for general contractors and subcontractors, including subcontractor procurement, contract management, certificates of insurance, invoicing, and payments. The platform facilitates streamlined interactions among stakeholders, enabling multiple bids on projects and efficient communication with suppliers. Additionally, Constrafor provides subcontractors with receivables financing options, such as an Early Pay Program, which accelerates the invoice payment cycle and increases cash flow, allowing them to take on more projects. Overall, Constrafor aims to transform the construction procurement process, making it more efficient and effective for all parties involved.

Yardlink

Seed Round in 2020
YardLink is a B2B procurement platform tailored for the construction industry, founded in 2018 and based in London, England. It provides contractors with access to a wide range of tools, equipment, bulk materials, fuel, waste management services, and other necessary supplies. The platform facilitates the process of finding, booking, and paying for these resources, while also aiming to reduce the carbon footprint of construction projects by linking contractors with approved local suppliers. By leveraging technology, YardLink optimizes the procurement process, allowing builders to efficiently connect with equipment rental companies and manage their resources effectively.

Weaver

Seed Round in 2020
Weaver is a platform designed to connect main contractors with vetted residential projects, streamlining the process for both parties. The service ensures that homeowners are prepared to proceed, with complete design information and a genuine commitment to their projects, thereby minimizing time spent on unproductive leads. Contractors can specify their business preferences, allowing the platform to match them with suitable opportunities that align with their goals. Additionally, Weaver offers a range of digital services for architects and construction professionals, including tender management workflows and compliance checks for insurance and trade accreditations. This comprehensive approach facilitates seamless collaboration among consultants, contractors, and clients while helping to reduce costs and risks associated with construction projects.

TOOLBX

Seed Round in 2020
TOOLBX Inc. is a technology company based in Toronto, Canada, that specializes in providing a digital platform for builders, contractors, and renovators to streamline the procurement of construction materials. Established in 2016, TOOLBX offers an extensive marketplace that features a wide range of building products, allowing users to place customized orders with various suppliers. The platform enhances efficiency and productivity by facilitating jobsite and crew management services, as well as providing options for delivery and unloading of materials. By adapting to the evolving construction landscape, TOOLBX aims to meet the needs of contractors and suppliers, ensuring that teams have timely access to the materials required for their projects.

Toolbox

Pre Seed Round in 2020
Toolbox is focused on improving the work landscape for skilled construction workers, who collectively earn over $300 billion in wages. Founded in 2018 and based in New York, Toolbox operates a labor marketplace that empowers workers and subcontractors to showcase their professional skills, secure job opportunities, and reduce downtime through short-term gigs. Additionally, Toolbox provides financial technology solutions tailored for small and medium-sized businesses, offering intelligent banking services, financial insights, and automated bookkeeping. This platform enables businesses to easily compare and select lender offers, purchase materials and equipment, and gain a comprehensive view of their financial health, thereby facilitating access to necessary capital for growth.

ROOM

Series A in 2020
ROOM is a startup that specializes in reshaping the modern workspace. It designs a modern workplace system through flexible alternatives that make more room for people at work and also build prefabricated, self-assembled, sound-proofed, ventilated, and powered booths. It enables users to make extra room in the budget without compromising quality and provides employees with a place to take a video call or get some uninterrupted time to focus on work. The company was co-founded by Morten Meisner-Jensen and Brian Chen in 2018.

Oico

Seed Round in 2020
Oico is an online marketplace in Brazil that streamlines the purchasing process for construction materials. The platform replaces the manual effort involved in finding vendors, comparing quotes, and managing orders by offering a comprehensive solution. It facilitates order management, provides pricing and quoting services, handles invoicing, tracks orders, and manages deliveries and payments. As a result, Oico enhances product availability and improves the overall purchasing experience for its clients in the construction industry.

Ergeon

Pre Seed Round in 2020
Ergeon operates a global construction marketplace aimed at transforming the multi-trillion-dollar construction industry. Focused on outdoor home improvement, the company provides services such as fence installation, hardscapes, and landscaping for both commercial and residential clients. By leveraging a skilled global workforce and proprietary technology, Ergeon offers a user-friendly platform that allows customers to visualize, plan, and manage their projects with ease. This approach enables fast, responsive service, transparent pricing, and high-quality craftsmanship, simplifying the home improvement process for property owners. With over 8,000 satisfied customers benefiting from their services, Ergeon is poised to expand its offerings to include more complex building projects. Founded by two experienced entrepreneurs with a passion for technology, the company emphasizes enhancing the home improvement experience for families and communities.

Tread

Series A in 2019
Tread, Inc. is a Toronto-based company founded in 2016 that specializes in developing a platform for managing construction equipment services. The platform facilitates interaction among contractors, brokers, and operators, simulating a unified fleet experience. By leveraging data analytics, Tread enables construction companies to hire equipment-operating subcontractors effectively. Its software provides real-time recording and measurement of equipment usage, allowing clients to identify opportunities for cost savings and optimize operational efficiency in construction projects.

Yardlink

Pre Seed Round in 2019
YardLink is a B2B procurement platform tailored for the construction industry, founded in 2018 and based in London, England. It provides contractors with access to a wide range of tools, equipment, bulk materials, fuel, waste management services, and other necessary supplies. The platform facilitates the process of finding, booking, and paying for these resources, while also aiming to reduce the carbon footprint of construction projects by linking contractors with approved local suppliers. By leveraging technology, YardLink optimizes the procurement process, allowing builders to efficiently connect with equipment rental companies and manage their resources effectively.

Weaver

Pre Seed Round in 2019
Weaver is a platform designed to connect main contractors with vetted residential projects, streamlining the process for both parties. The service ensures that homeowners are prepared to proceed, with complete design information and a genuine commitment to their projects, thereby minimizing time spent on unproductive leads. Contractors can specify their business preferences, allowing the platform to match them with suitable opportunities that align with their goals. Additionally, Weaver offers a range of digital services for architects and construction professionals, including tender management workflows and compliance checks for insurance and trade accreditations. This comprehensive approach facilitates seamless collaboration among consultants, contractors, and clients while helping to reduce costs and risks associated with construction projects.

Toolbox

Pre Seed Round in 2019
Toolbox is focused on improving the work landscape for skilled construction workers, who collectively earn over $300 billion in wages. Founded in 2018 and based in New York, Toolbox operates a labor marketplace that empowers workers and subcontractors to showcase their professional skills, secure job opportunities, and reduce downtime through short-term gigs. Additionally, Toolbox provides financial technology solutions tailored for small and medium-sized businesses, offering intelligent banking services, financial insights, and automated bookkeeping. This platform enables businesses to easily compare and select lender offers, purchase materials and equipment, and gain a comprehensive view of their financial health, thereby facilitating access to necessary capital for growth.

Rive

Series A in 2019
Rive is redefining how people buy, sell, and rent homes. Rive brings simplicity to switching homes by providing liquidity to sellers and fully renovated, move-in-ready homes for buyers while providing real estate agents with a unique combination of tech tools and products to give superior service to their customers. As a result, our customers have access to everything they need for a successful real estate transaction, from cutting-edge real-time market insights to renovation services delivered by local real estate professionals who guide them at every step. ‘Rive’ means leading edge and groundbreaking, just like the idea Rive was founded on: that selling homes should be simple and stress-free. To make this a reality, the Rive platform brings together all the different solutions that you need to change your life and property. Since we started in 2017, we have grown from a local iBuyer into a team of more than 300 real estate professionals in Finland, Spain, and Poland, and expanded our offering into a full-service real estate platform that provides a range of solutions for selling, buying, renovating, and financing your home. Rive is headquartered in Helsinki and is operating in all the major cities in Finland as well as Warsaw, Poland, and Madrid and Barcelona, Spain. Rive service concept is developed by Homerun Technologies Ltd. You can find more about us: www.rivehomes.com

Arconex

Seed Round in 2019
Arconex, Inc. operates an online B2B marketplace tailored for architects and general contractors, facilitating project execution and fostering collaborative relationships among stakeholders. Founded in 2019 and based in New York, the platform aims to minimize disputes by promoting long-term partnerships. Additionally, Arconex Capital functions as a private investment firm, focusing on sectors such as technology, commercial real estate, biotechnology, the architecture, engineering, and construction (AEC) industry, and cryptocurrency. The firm seeks to invest in companies with promising growth potential and strong management, leveraging its industry expertise and network to create value for clients and support their business development.

Samsara

Series E in 2018
Samsara, established in 2015 and headquartered in San Francisco, specializes in industrial Internet of Things (IoT) solutions. It combines hardware, software, and AI to provide real-time visibility, analytics, and insights to operations across various industries. Samsara's offerings include plug-and-play sensors and wireless connectivity, all integrated with cloud-hosted software. With tens of thousands of customers globally, the company serves diverse sectors such as construction, transportation, manufacturing, and public sector, aiming to enhance safety, efficiency, and sustainability in their operations.

TOOLBX

Seed Round in 2018
TOOLBX Inc. is a technology company based in Toronto, Canada, that specializes in providing a digital platform for builders, contractors, and renovators to streamline the procurement of construction materials. Established in 2016, TOOLBX offers an extensive marketplace that features a wide range of building products, allowing users to place customized orders with various suppliers. The platform enhances efficiency and productivity by facilitating jobsite and crew management services, as well as providing options for delivery and unloading of materials. By adapting to the evolving construction landscape, TOOLBX aims to meet the needs of contractors and suppliers, ensuring that teams have timely access to the materials required for their projects.

Tread

Pre Seed Round in 2018
Tread, Inc. is a Toronto-based company founded in 2016 that specializes in developing a platform for managing construction equipment services. The platform facilitates interaction among contractors, brokers, and operators, simulating a unified fleet experience. By leveraging data analytics, Tread enables construction companies to hire equipment-operating subcontractors effectively. Its software provides real-time recording and measurement of equipment usage, allowing clients to identify opportunities for cost savings and optimize operational efficiency in construction projects.
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