He is on the books of Winterthur and wears shirt number 68. His main role on the pitch is Forward. His stronger foot is Right. His estimated market valuation currently stands at 300K .

His latest transfer saw him join Winterthur from Vaduz via Loan on 2026-06-29.

During the Switzerland Challenge League 2025-2026 campaign, Brian Beyer made 3 appearances, scoring 0 goals and adding 0 assists. He averaged 0 goals per match from 2 shots, with 0 on target.