UBS weighs its future as Switzerland debates tougher bank rules

A proposed $16 billion capital charge has put UBS’s Swiss headquarters at the centre of a national argument over financial security. The Council of States backed tougher rules designed to prevent a repeat of the 2023 collapse of Credit Suisse, which UBS acquired in a rescue organised with state support.

The legislation still needs approval from the National Council, the lower house of the Federal Assembly. UBS executives nevertheless expect the political momentum to continue. The bank now faces a choice between carrying a much larger capital buffer, changing the shape of its international business, or reconsidering its legal home.

The stakes reach beyond UBS’s boardroom. The bank’s balance sheet is substantially larger than Switzerland’s economy, a scale that has intensified concern about the risks to taxpayers if another crisis were to require public intervention. The proposed rules aim to make UBS more resilient, while investors fear that the cost could weaken returns and reduce the group’s competitiveness.

Chair Colm Kelleher has acknowledged that UBS may rethink its Swiss base if the final framework becomes too demanding. That warning has turned a regulatory debate into a question about the future of Switzerland’s most important bank.

UBS investors are openly challenging Switzerland’s appeal as a base for global banking. Artisan Partners, a top-10 shareholder, wrote to the board last week to say that the country was “no longer an attractive or desirable location” for the largest Swiss lender. Cevian Capital, which owns about 1.5% of UBS, issued a similar warning last year.

The criticism reflects the unusual size of the group. UBS combines a major Swiss domestic franchise with one of the world’s largest international wealth-management businesses. Its balance sheet exceeds the size of Switzerland’s economy, making the bank systemically important at home and unusually exposed to rules tailored to the country’s ability to absorb a banking failure.

Investors have identified the United States as one possible destination because its capital framework is viewed as less stringent. A large eurozone economy, such as Germany, could offer a closer European base. The United Kingdom appears less attractive because its capital requirements are closer to Switzerland’s. Several governments have raised relocation with UBS in recent years, according to a person familiar with the matter.

A move would carry political and financial costs. Morgan Stanley analysts estimate that an exit tax could reach $10 billion, while Karin Keller-Sutter says leaving would be more expensive and legally more complex than accepting the reforms.

A foreign transaction could give UBS a route around Switzerland’s tougher capital regime. One option under discussion is a deal with an overseas bank after the integration of Credit Suisse is complete. UBS expects that process to remove much of the acquisition burden and lift profits, giving management greater flexibility.

A reverse takeover could involve a smaller foreign bank, potentially in the United States, acquiring UBS in an all-share transaction. UBS shareholders could still hold a majority of the combined group. Morgan Stanley analyst Giulia Aurora Miotto said such a structure might avoid the exit tax, although it would require a smaller bank to merge with UBS and potentially surrender control of the enlarged institution.

A larger merger with a Wall Street or European bank is another possibility. Morgan Stanley has attracted attention because Kelleher spent much of his career there, and because the two groups would combine major wealth-management franchises. The Financial Times reported no indication that either bank is pursuing such a transaction.

The strategy would also bring regulatory scrutiny in several jurisdictions, as well as difficult questions over governance, ownership and the location of key businesses. For now, the idea remains a contingency plan rather than an announced negotiation. UBS must first complete the Credit Suisse integration and see the final shape of the Swiss rules.