Flex Raises $70M Series B1

Flex, a financial technology company providing AI-native private banking services, has announced it secured $70 million in a Series B1 funding round. This new capital brings the company's total equity raised to $180 million, alongside $300 million in debt financing.

Investors

The round was led by Halo, an investment firm established by Qualtrics founder Ryan Smith and Accel general partner Ryan Sweeney. Additional participating investors included Portage, Wellington, Crosslink Capital, 53 Stations, Titanium Ventures, Spice, and Florida Funders.

Flex Use of Funds

Flex plans to utilize the fresh capital to support its global expansion efforts, specifically launching its AI-native private banking platform to international markets and extending its payment rails.

About Flex

Founded by Zaid Rahman, Flex provides an AI-native private banking platform designed for middle-market business owners. The company bundles banking, payment processing, expense management, and treasury services into an agentic back-office platform to help manage the intertwined financial lives of business owners.

Funding Details

Company Website: https://flex.one

Company: Flex
Raised: $70M
Round: Series B1
Funding Date: July 14, 2026
Lead Investor: Halo
Additional Investors: Portage, Wellington, Crosslink Capital, 53 Stations, Titanium Ventures, Spice, Florida Funders
Software Category: Fintech
Source: https://thenextweb.com/news/flex-70m-series-b1-halo-fund-stablecoin-private-bank