Flex

Stub active Updated Jul 26, 2026

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Location San Francisco, CA
Founded 2022
Latest Stage Series B1
Total Raised $130M+

Investors

Ellen Pao Seed (Angel) (2016)
Turner Novak ~2021 (2021)
Kapor Capital Seed (Angel) (2016)
Banana Capital ~2021 (2021)

Founders

Zaid Rahman Founder & CEO

About

Flex is an AI-native private banking platform serving high-net-worth business owners in the middle market. The company is building Flex Global, a stablecoin-powered banking platform for cross-border business owners across 100+ countries 12.

Funding History

Date Round Amount Lead Co-investors
2026-07-14 Series B1 $70M Halo Fund Portage Ventures, Wellington Management, Crosslink Capital, 53 Stations, Titanium Ventures, Spice, Florida Funders 123

The Series B1 valued Flex at $1.2B, roughly double its December 2025 Series B valuation 23.

What Investors Say

No independently sourced investor quotes found at time of publication.

What Founders Say

No independently sourced founder quotes found at time of publication.

Sources


  1. “Halo Fund leads $70M investment into AI-Native Private Banking Platform Flex to accelerate the launch of Flex Global,” GlobeNewswire, July 14, 2026. Accessed July 26, 2026. https://www.globenewswire.com/news-release/2026/07/14/3327097/0/en/halo-fund-leads-70m-investment-into-ai-native-private-banking-platform-flex-to-accelerate-the-launch-of-flex-global.html

  2. “Flex Raises $70M in Series B1 Funding at $1.2 Billion Valuation,” FinSMEs, July 14, 2026. Accessed July 26, 2026. https://www.finsmes.com/2026/07/flex-raises-70m-in-series-b1-funding-at-1-2-billion-valuation.html

  3. “Flex lands $70m as private banking goes borderless,” FinTech Global, July 15, 2026. Accessed July 26, 2026. https://fintech.global/2026/07/15/flex-lands-70m-as-private-banking-goes-borderless/