The Berne Financial Services Agreement between Switzerland and the United Kingdom entered into force on 1 January 2026. It is a mutual-recognition agreement under which the two countries recognise the equivalence of their regulatory and supervisory frameworks in selected areas of financial services. For firms operating between two of the largest international financial centres, this is a structural change in how cross-border activity can be organised.
The practical significance of the agreement lies in what it does not do as much as in what it does. It can facilitate cross-border market access for eligible firms, but it does not remove the need to analyse the precise regulated activity, the client type, the licensing perimeter and the applicable conduct rules. Market-access strategy therefore has to be built service by service rather than assumed as a general entitlement.
Mutual recognition operates on the premise that two supervisory systems achieve comparable outcomes, so that a firm supervised in one jurisdiction can serve certain clients in the other without duplicating the full local authorisation process. The agreement applies to selected areas of financial services rather than to the financial sector as a whole, and eligibility depends on the characteristics of the firm, the service and the counterparty.
This is materially different from a passporting regime. Under a passport, a single authorisation carries across a defined area for a defined set of activities. Under mutual recognition of the kind established here, access is structured around recognised equivalence in defined segments, and activities outside those segments continue to be governed by ordinary domestic authorisation requirements in the host jurisdiction. Treating the agreement as a general licence is the most likely source of error in the first year of application.
The agreement changes the planning question from whether cross-border service is possible to how it should be structured, documented and supervised. That question reaches beyond compliance teams into commercial, contractual and governance decisions.
In TCC's view, mutual recognition is commercially valuable when it is paired with a precise regulatory-perimeter analysis. The agreement creates a more structured basis for eligible firms to reach the other market, but the value is realised only by groups that can state, service by service and client type by client type, on what basis they operate. Firms that treat the agreement as a general opening tend to expand first and document afterwards, which is the sequence that generates supervisory exposure.
The second observation is organisational. Market-access questions are often handled as a compliance matter, while the decisions that create risk are commercial ones: which client is accepted, from which entity, under which contract and with which booking arrangement. Where the commercial and compliance views of the same relationship diverge, the divergence usually becomes visible during a supervisory review rather than at onboarding. Aligning the two views before expansion is inexpensive; reconciling them afterwards is not.
Groups active in both markets should use 2026 to complete a structured perimeter review before committing to new distribution or booking arrangements. The elements worth documenting now are the service inventory, the client-type analysis, the booking and servicing chain, and the contractual basis of each cross-border relationship. Where a service line sits outside the recognised segments, the ordinary authorisation route should be planned on its own timetable rather than deferred on the assumption that the agreement will eventually cover it.
This Insight reflects the legal and regulatory framework available at the date of publication or last review.
This Insight is provided for general information only and does not constitute tax, legal, regulatory or investment advice. The application of the rules depends on the specific facts, the relevant jurisdiction and subsequent legal or administrative developments. Professional advice should be obtained before taking action.