Mercury Financial is shifting from fintech to a bank

Benchmark Ledger Solutions
Jul 13
5 min read

In December 2025, San Francisco-based Mercury Technologies Inc. made one of the most consequential announcements in its eight-year history. The company, which has built a loyal following among startups and small businesses by offering a software-driven alternative to traditional business banking, filed applications with the Office of the Comptroller of the Currency for a national bank charter and with the Federal Deposit Insurance Corporation for federal deposit insurance. It also announced plans to file separately with the Federal Reserve Board to become a financial holding company.

The move was not a surprise to close observers of the fintech space. It was, however, a meaningful signal: one of the most financially disciplined companies in the sector had decided that the partner-bank model, which enabled its rapid growth, had reached its practical ceiling.

From Software Company to Regulated Institution

Mercury was founded in 2017 by Immad Akhund, Jason Zhang, and Max Tagher, who were frustrated by the friction that startup founders experienced when trying to access conventional banking. The company launched in 2019 offering business checking and savings accounts by working through FDIC-insured partner banks, most notably Evolve Bank and Trust, and later Choice Financial Group and Column N.A. From a regulatory standpoint, Mercury has never been a bank. It has been a technology company that sits in front of banks, delivering a superior interface and a more capable set of financial tools.

That distinction mattered enormously, both operationally and from a risk management perspective. In March 2025, Mercury terminated its relationship with Evolve Bank and Trust after the collapse of Synapse, Evolve's banking-as-a-service intermediary platform, exposed serious control deficiencies at the partner bank. Mercury migrated affected customer deposits to its remaining partners, but the episode illustrated a structural vulnerability that no amount of elegant software design could fully eliminate: when a fintech depends on a third-party bank to hold customer funds and process transactions, it inherits that bank's regulatory and operational risk profile.

The Financial Case for a Charter

The charter application was filed from a position of uncommon financial strength. As of November 2025, Mercury reported more than 200,000 business and individual customers, annualized revenue of $650 million, and three consecutive years of GAAP profitability. The company estimated that one in three U.S. startups banks with Mercury. Those metrics matter enormously to regulators, who scrutinize applicants' capital adequacy, risk management infrastructure, governance frameworks, and long-term financial viability before approving a de novo bank charter.

Approval rates for new bank charters remain low by historical standards. The OCC granted very few de novo charters in the years following the 2008 financial crisis, and the review process is lengthy, detailed, and uncertain in outcome. Mercury acknowledged as much in its public communications, noting that the process is long and that approvals are not guaranteed.

To lead the proposed Mercury Bank, the company appointed Jon Auxier as Chief Banking Officer and as the prospective President and CEO of the chartered institution. Auxier previously served as Chief Financial Officer of SoFi Bank and Corporate Treasurer of SoFi Technologies, where he played a direct role in that company's own successful transition to bank status. His appointment signals that Mercury intends to treat regulatory credibility as a strategic priority, not an afterthought.

What a Charter Actually Changes

For customers, a charter would represent operational continuity with material structural improvements. Under the current model, Mercury's customers interact with Mercury's software but their deposits are legally held by a partner bank. A chartered Mercury Bank would hold those deposits directly, removing the intermediary layer and bringing Mercury under comprehensive federal supervision as a principal rather than a technology vendor.

The practical implications are significant. As a nationally chartered bank, Mercury would be able to issue its own credit cards and retain loan balances on its own books, rather than relying on partners to underwrite and hold those assets. It could expand product offerings with greater speed and control, because decisions about product design and regulatory compliance would no longer require coordination across separate institutions. It would also manage its own core banking infrastructure, which creates the possibility of building systems specifically engineered for the customer base it serves.

There is a cost to this expanded capability. Chartered banks operate under continuous federal examination, with capital requirements, liquidity ratios, and compliance obligations that go well beyond what a software company faces. The regulatory discipline required of a bank can slow the product development cycles that have allowed fintechs to outmaneuver traditional institutions. Mercury's leadership appears aware of this tradeoff, framing the charter not as an end in itself but as the infrastructure for a longer-term vision.

A Broader Pattern in Fintech

Mercury's application is not an isolated event. It reflects a broader maturation among scaled fintechs that launched on partner-bank rails and have concluded that direct charter ownership is the appropriate next step. PayPal applied for an industrial loan company charter within days of Mercury's announcement. Nubank filed for an OCC charter in October 2025. Revolut has expressed interest in pursuing a U.S. banking license. SoFi and LendingClub completed their own charter processes in prior years, providing a template, if not a guarantee, for what follows.

The pattern is consistent with a longer arc in financial services history: technology companies that initially compete alongside regulated institutions ultimately find it advantageous to become regulated institutions themselves, because the charter confers trust, permanence, and capability that no partnership arrangement can fully replicate.

Tim Mayopoulos, a Mercury board member and former CEO of Fannie Mae, framed the dynamic clearly: fintechs have become essential to how small businesses and entrepreneurs access the financial system, and Mercury's decision to seek a charter demonstrates that innovation and regulatory oversight can reinforce one another rather than exist in tension.

What Business Owners Should Watch

For the small businesses and startups that constitute Mercury's primary customer base, the near-term answer is: nothing changes today. Mercury has been explicit that existing accounts, products, and services will continue to operate through its partner banks while the charter process unfolds.

Over the longer term, a successfully chartered Mercury Bank would offer its customers a more stable institutional counterparty, broader product access, and the confidence that comes from direct federal oversight. It would also represent a meaningful evolution in what business banking looks like: not a branch, not a relationship manager, but a technology platform that carries the full legal and regulatory weight of a nationally chartered institution.

Whether Mercury receives approval, and on what timeline, remains an open question. What is no longer in question is that Mercury's ambitions have outgrown the model that built it.