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

Fabrice Grinda

Co-Founder

William Guillouard

Venture Partner

Arne Halleraker

Principal

Christopher Keshian

Investor

Ariel Lebowits

CFO

Jose Marin

Co-Founder

Güimar Vaca Sittic

Venture Partner

Jeff Weinstein

Principal

Past deals in Consumer Electronics

Tetra

Series A in 2025
Tetra operates an HVAC management platform that simplifies the process of purchasing and installing heating and cooling systems for residential properties. The platform allows customers to obtain instant quotes for boiler, furnace, and air conditioner replacements online, eliminating the need for contractor calls, sales visits, and lengthy research. By streamlining the buying process, Tetra makes it easier, faster, and more affordable for homeowners to manage their HVAC needs, thus enhancing convenience and efficiency in home improvement projects.

Chaiz

Seed Round in 2024
Chaiz operates as an online marketplace specializing in extended car warranties, addressing the financial burden of car repairs for many Americans. With a significant portion of the population unable to cover unexpected repair costs, extended warranties become essential for vehicle owners. Traditionally, these warranties were available only through call centers or in-person transactions, often at inflated prices due to middlemen involvement. Chaiz revolutionizes this process by allowing consumers to purchase warranties directly from protection providers through a streamlined digital platform. This not only enhances the shopping experience but also reduces costs by approximately 40%, making extended warranties more accessible and affordable for car owners.

Refurbed

Series C in 2023
Refurbed GmbH is an online marketplace based in Vienna, Austria, specializing in the sale of refurbished electronic goods. Founded in 2017, the company offers a wide range of products, including smartphones, laptops, tablets, TVs, smartwatches, headphones, consoles, cameras, and kitchen appliances. Refurbed distinguishes itself by providing refurbished devices that are renewed through a meticulous 40-step process, ensuring they look and function like new while being offered at prices up to 40% lower than new items. Additionally, all products come with a minimum 12-month guarantee, making them a more environmentally friendly and cost-effective choice for consumers.

Trocafone

Convertible Note in 2023
Trocafone is a Brazilian company that operates an online marketplace focused on the buying and selling of used smartphones and electronic devices. As the first end-to-end e-commerce platform in Latin America, Trocafone simplifies the process for sellers by acquiring their devices, refurbishing them, and then reselling them as certified pre-owned products. This approach enhances the buying experience for customers, who benefit from competitive pricing and the reliability associated with a retail store environment. Sellers enjoy a streamlined process that allows them to complete transactions quickly, with the convenience of using pre-addressed and pre-stamped mailers for shipping. Overall, Trocafone aims to provide a hassle-free experience for both buyers and sellers in the used electronics market.

Thingtesting

Seed Round in 2022
Thingtesting is an online platform that serves as a consumer guide for discovering and reviewing emerging brands and products. The platform allows users to explore exclusive content, including behind-the-scenes insights into various products and brands. By fostering a community of paying members, Thingtesting enables individuals to engage in honest discussions and share their experiences with new offerings. The company's mission focuses on creating a space where consumers can connect over their experiences with innovative products, thus aiding informed purchasing decisions.

mobile.club

Seed Round in 2022
Mobile.club is a technology company that provides an online platform for smartphone rental services aimed at both businesses and individual consumers. The company specializes in offering reconditioned smartphones available for rental at monthly prices that include insurance coverage for theft and damage. With features such as 24-hour delivery and the flexibility to swap devices, Mobile.club seeks to make mobile technology more accessible and affordable. Its services cater to customers looking for cost-effective solutions without long-term commitments, allowing them to choose devices that suit their preferences.

Kafene

Series B in 2022
Kafene is a mission-driven startup focused on empowering flexible ownership for consumers, particularly those who may face challenges with traditional financing options. The company offers flexible payment solutions for a range of products, including furniture, appliances, electronics, and jewelry, while minimizing the risks associated with conventional debt. Kafene's innovative approach allows consumers to return items without incurring additional debt if they can no longer meet payment obligations. This consumer-friendly model is supported by a robust technology platform that features app-based point-of-sale virtual wallets and AI-driven underwriting, facilitating swift payment processing and approval across diverse credit profiles. By combining advanced data inputs with machine learning technologies, Kafene positions itself as a comprehensive payment partner for both consumers and retailers.

Blidz

Seed Round in 2022
Blidz is an AI-driven shopping app that provides a diverse selection of daily goods, fashion items, and gadgets. The platform is designed to enhance the online shopping experience through gamification, allowing users to engage in a bargain hunt for deals. By combining artificial intelligence with innovative flash offers, Blidz aims to deliver personalized shopping experiences that increase user engagement and satisfaction. This approach not only makes shopping more enjoyable but also helps customers discover tailored products across various categories.

Reebelo

Series A in 2022
Reebelo is a prominent marketplace specializing in refurbished technology devices and lifestyle products. The company provides consumers with significant savings, allowing them to purchase items at reduced prices or opt for flexible rental options. Reebelo's mission focuses on minimizing electronic waste and promoting a circular economy by offering a diverse range of secondhand electronics, including smartphones, tablets, and desktops. The marketplace ensures that all products are thoroughly reviewed and come with extended warranties, providing customers with a reliable and sustainable shopping experience. With offices in various global locations, including the San Francisco Bay Area, Miami, Toronto, Singapore, and Melbourne, Reebelo aims to make a positive environmental impact while delivering high-quality products to consumers.

Tetra

Seed Round in 2021
Tetra operates an HVAC management platform that simplifies the process of purchasing and installing heating and cooling systems for residential properties. The platform allows customers to obtain instant quotes for boiler, furnace, and air conditioner replacements online, eliminating the need for contractor calls, sales visits, and lengthy research. By streamlining the buying process, Tetra makes it easier, faster, and more affordable for homeowners to manage their HVAC needs, thus enhancing convenience and efficiency in home improvement projects.

Kafene

Series A in 2021
Kafene is a mission-driven startup focused on empowering flexible ownership for consumers, particularly those who may face challenges with traditional financing options. The company offers flexible payment solutions for a range of products, including furniture, appliances, electronics, and jewelry, while minimizing the risks associated with conventional debt. Kafene's innovative approach allows consumers to return items without incurring additional debt if they can no longer meet payment obligations. This consumer-friendly model is supported by a robust technology platform that features app-based point-of-sale virtual wallets and AI-driven underwriting, facilitating swift payment processing and approval across diverse credit profiles. By combining advanced data inputs with machine learning technologies, Kafene positions itself as a comprehensive payment partner for both consumers and retailers.

Angell

Venture Round in 2021
Angell is a manufacturer of electric bicycles focused on transforming urban mobility. The company offers one of the lightest e-bikes on the market, featuring a rounded aluminum frame and a carbon rim for an ultra-light structure. Its innovative design includes a smart cockpit with a touchscreen that displays essential information such as battery level, speed, distance traveled, weather, pollution levels, and riding modes. Additionally, Angell's e-bike is equipped with a sophisticated safety system that provides vibrating navigation assistance, a fall alert, and an anti-theft alarm. By integrating advanced technology into its bicycles, Angell aims to enhance the everyday life of urban commuters.

Kafene

Series A in 2021
Kafene is a mission-driven startup focused on empowering flexible ownership for consumers, particularly those who may face challenges with traditional financing options. The company offers flexible payment solutions for a range of products, including furniture, appliances, electronics, and jewelry, while minimizing the risks associated with conventional debt. Kafene's innovative approach allows consumers to return items without incurring additional debt if they can no longer meet payment obligations. This consumer-friendly model is supported by a robust technology platform that features app-based point-of-sale virtual wallets and AI-driven underwriting, facilitating swift payment processing and approval across diverse credit profiles. By combining advanced data inputs with machine learning technologies, Kafene positions itself as a comprehensive payment partner for both consumers and retailers.

Bottomless

Series A in 2021
Bottomless is a company that has developed a WiFi-enabled scale designed to enhance the coffee subscription experience. This innovative scale allows users to track their coffee consumption and automatically reorder freshly roasted beans when supplies run low. By syncing with the scale, consumers can specify their preferences, enabling the platform to learn individual caffeine habits and provide personalized coffee selections. This approach ensures that customers receive fresh coffee at optimal times, avoiding the stale offerings typically associated with traditional coffee purchases.

Showcase Insights

Pre Seed Round in 2020
SHOWCASE is a next-gen product research startup, leveraging technology to generate targeted, efficient, agile consumer insights.

Refurbed

Series A in 2020
Refurbed GmbH is an online marketplace based in Vienna, Austria, specializing in the sale of refurbished electronic goods. Founded in 2017, the company offers a wide range of products, including smartphones, laptops, tablets, TVs, smartwatches, headphones, consoles, cameras, and kitchen appliances. Refurbed distinguishes itself by providing refurbished devices that are renewed through a meticulous 40-step process, ensuring they look and function like new while being offered at prices up to 40% lower than new items. Additionally, all products come with a minimum 12-month guarantee, making them a more environmentally friendly and cost-effective choice for consumers.

Envizzo

Seed Round in 2019
Envizzo Inc. is an online marketplace established in 2016 and based in New York, specializing in the rental and sale of home furnishing products, including furniture, appliances, and consumer electronics. The platform serves real estate developers and property managers by providing a curated selection of over 40,000 products from more than 300 partners. In addition to its extensive product offerings, Envizzo offers services such as interior design, logistics, installation, and white glove delivery and assembly, aimed at enhancing the furnishing and decoration process for both commercial and residential properties. Through its comprehensive approach, Envizzo seeks to simplify the experience of curating and designing living and working spaces.

Envizzo

Pre Seed Round in 2018
Envizzo Inc. is an online marketplace established in 2016 and based in New York, specializing in the rental and sale of home furnishing products, including furniture, appliances, and consumer electronics. The platform serves real estate developers and property managers by providing a curated selection of over 40,000 products from more than 300 partners. In addition to its extensive product offerings, Envizzo offers services such as interior design, logistics, installation, and white glove delivery and assembly, aimed at enhancing the furnishing and decoration process for both commercial and residential properties. Through its comprehensive approach, Envizzo seeks to simplify the experience of curating and designing living and working spaces.

Trocafone

Venture Round in 2017
Trocafone is a Brazilian company that operates an online marketplace focused on the buying and selling of used smartphones and electronic devices. As the first end-to-end e-commerce platform in Latin America, Trocafone simplifies the process for sellers by acquiring their devices, refurbishing them, and then reselling them as certified pre-owned products. This approach enhances the buying experience for customers, who benefit from competitive pricing and the reliability associated with a retail store environment. Sellers enjoy a streamlined process that allows them to complete transactions quickly, with the convenience of using pre-addressed and pre-stamped mailers for shipping. Overall, Trocafone aims to provide a hassle-free experience for both buyers and sellers in the used electronics market.

Trocafone

Series B in 2017
Trocafone is a Brazilian company that operates an online marketplace focused on the buying and selling of used smartphones and electronic devices. As the first end-to-end e-commerce platform in Latin America, Trocafone simplifies the process for sellers by acquiring their devices, refurbishing them, and then reselling them as certified pre-owned products. This approach enhances the buying experience for customers, who benefit from competitive pricing and the reliability associated with a retail store environment. Sellers enjoy a streamlined process that allows them to complete transactions quickly, with the convenience of using pre-addressed and pre-stamped mailers for shipping. Overall, Trocafone aims to provide a hassle-free experience for both buyers and sellers in the used electronics market.

Letgo

Series C in 2017
Letgo is a mobile platform founded in 2015, facilitating local buying and selling of second-hand goods. With over 100 million downloads and 400 million listings, it's one of America's most popular apps for trading items, ranging from electronics and vehicles to clothing and furniture. Letgo's innovative features, such as image recognition and instant chat, simplify the process of listing items and connecting buyers and sellers. The platform's user-friendly interface allows users to snap a photo, and letgo automatically suggests a title, price, and category for the listing.

Letgo

Series B in 2016
Letgo is a mobile platform founded in 2015, facilitating local buying and selling of second-hand goods. With over 100 million downloads and 400 million listings, it's one of America's most popular apps for trading items, ranging from electronics and vehicles to clothing and furniture. Letgo's innovative features, such as image recognition and instant chat, simplify the process of listing items and connecting buyers and sellers. The platform's user-friendly interface allows users to snap a photo, and letgo automatically suggests a title, price, and category for the listing.

Eve Sleep

Seed Round in 2015
Eve Sleep plc, established in 2014 and headquartered in London, is a direct-to-consumer sleep brand operating in the UK, Ireland, Europe, and internationally. The company specialises in designing, branding, marketing, and selling a range of sleep products, including mattresses, bed frames, pillows, bedding, and sleep accessories, as well as child and baby cot mattresses and bedding. Eve Sleep differentiates itself by challenging industry norms and advocating for fairness, offering luxury sleep solutions through retail partnerships and its online platform.

Plae

Series A in 2015
Plae is a lifestyle footwear company founded in 2012 and headquartered in San Francisco, California. The company specializes in designing shoes for children that celebrate individuality and promote exploration. Their products are constructed from eco-friendly, breathable, and washable materials, ensuring durability and flexibility while supporting the natural development of children's feet. Plae's footwear features interchangeable components that allow for customization to fit various foot shapes, accommodating the growth of cartilage and bone. By focusing on the joy of play and encouraging a carefree spirit, Plae aims to redefine the boundaries of childhood and foster healthy foot development for lasting comfort.

Reverb

Series A in 2015
Reverb.com is an online marketplace specializing in the buying and selling of new, used, and vintage music gear. The platform aims to facilitate safe and secure transactions while inspiring musicians to explore and enhance their sound. Reverb.com features an integrated price guide that utilizes transaction data to assess market values for a diverse array of musical instruments and equipment. This approach allows consumers to engage in easy and affordable trading of music gear, contributing to a vibrant online community of music enthusiasts.
Spot something off? Help us improve by flagging any incorrect or outdated information. Just email us at support@teaserclub.com. Your feedback is most welcome.