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§ Private Profile · San Francisco, CA, USA
Offers end-to-end electronics manufacturing (EMS), ODM, and supply chain solutions for ICT, cloud, and telecom data centers.
Flex has raised $327.2M across 7 funding rounds.
Key people at Flex.
Flex was founded in 2023 by Miguel Toledo (Founder) and Sam O'Keefe (Founder).
Flex has raised $327.2M in total across 7 funding rounds.
Flex Ltd. is an Austin, Texas-based electronics manufacturing services and supply chain solutions provider that delivers end-to-end product lifecycle support from initial design to end-of-life. Operating as the world's third-largest original design manufacturer by revenue, the company maintains a global footprint of more than 100 facilities distributed across approximately 30 different countries. The organization currently employs between 140,000 and 172,000 personnel worldwide, including a dedicated team of over 7,000 supply chain professionals. To expand its data center power and liquid cooling portfolio, the publicly traded enterprise has completed the strategic acquisitions of Anord Mardix, Crown Technical Systems, and JetCool Technologies. Flex previously acquired Ericsson's power modules division to further strengthen its information and communications technology infrastructure capabilities. The manufacturing company was originally founded as Flextronics in the year 1969 by Joe and Barbara-Ann McKenzie.
Flex has raised $327.2M across 7 funding rounds. Most recently, it raised $15.0M Series A in September 2025.
Key people at Flex.
Flex was founded in 2023 by Miguel Toledo (Founder) and Sam O'Keefe (Founder).
Flex has raised $327.2M in total across 7 funding rounds.
Flex's investors include Core Innovation Capital, Liz Wessel, BoxGroup, Flex Capital, Insight Partners, Y Combinator, Arash Ferdowsi, Ayush Sood, John Griffin, Kulveer Taggar, Matt Macinnis, Shivaas Gulati.
Flex is a payment platform designed to enable businesses to accept Health Savings Account (HSA) and Flexible Spending Account (FSA) payments online, effectively acting as a "Stripe for HSA/FSA payments"[1][7]. It serves both merchants and consumers by simplifying the complex compliance and eligibility requirements associated with HSA/FSA transactions. Flex’s product suite includes API integrations for web checkouts, Shopify, WooCommerce, and custom platforms, allowing businesses to seamlessly add HSA/FSA payment options without disrupting user experience[1][3][4]. For consumers, Flex offers a marketplace (Flex Market) where they can shop for eligible health and wellness products, including those requiring a Letter of Medical Necessity (LMN), which can be obtained via a quick telehealth consult integrated into the platform[7].
Flex addresses the problem of underutilized HSA/FSA funds—estimated at $150 billion annually—by making it easier for consumers to spend these funds on eligible products and services, while helping merchants capture a highly motivated customer base[1][2][7]. The platform’s growth momentum is supported by data showing that 67% of consumers would not have purchased without the HSA/FSA payment option, and 92% are more likely to buy again due to the convenience Flex provides[2].
Flex was founded by Sam O’Keefe and Miguel Toledo, who brought their backgrounds in payments and healthcare technology to create a solution that simplifies HSA/FSA payments for both merchants and consumers[6]. The idea emerged from recognizing the friction and compliance challenges businesses face when accepting HSA/FSA payments, as well as the untapped potential of the large pool of consumer funds locked in these accounts. Early traction came from integrations with major e-commerce platforms like Shopify and WooCommerce, and the launch of Flex Market, which uniquely combines traditional healthcare products with telehealth-enabled LMN generation to facilitate compliant purchases[1][3][7].
Flex rides the growing trend of fintech innovation focused on healthcare payments and consumer-directed health accounts. The timing is critical as HSA/FSA accounts grow in popularity due to rising healthcare costs and employer benefits shifts. Market forces such as increasing consumer demand for seamless digital payment experiences and regulatory complexity around HSA/FSA spending create a strong need for specialized payment infrastructure[1][2][5]. By simplifying compliance and expanding payment acceptance, Flex influences the broader ecosystem by enabling more merchants to tap into the $150 billion HSA/FSA market, increasing consumer access to health products and services, and integrating telehealth into payment flows[7].
Looking ahead, Flex is positioned to expand its marketplace and deepen integrations with large retailers and digital health platforms, further unlocking HSA/FSA funds and driving consumer health engagement. Trends such as telehealth adoption, digital health spending, and regulatory evolution around consumer-directed health accounts will shape its growth trajectory. Flex’s influence may evolve from a payment enabler to a broader health commerce platform, potentially incorporating more personalized health services and data-driven wellness solutions. Its mission to make health and wellness more accessible through innovative payment technology ties back to its core value proposition of unlocking the full potential of HSA/FSA funds for consumers and businesses alike[7].
