FIDUCIARY EXPERTISE
- Fiduciary specialists
- Real advisory & sparring – not back-office processing
- Responsibility for annual close, tax & payroll
- Deep finance and compliance know-how
A tech fiduciary who shapes your processes with you — and doesn't just keep the books.
With a pragmatic approach and modern, contemporary processes, we support our clients as a proactive CFO.
Our services
We start with bookkeeping — the heart of every clean finance operation. The modules you actually need plug in around it. Only as much as necessary, expandable at any time.
The experts behind it
Accounting software defines processes. Fiduciary work brings expertise. Z83 is both.
«Fiduciaries who develop software – and developers who understand accounting. At most fiduciaries, digitalisation stops at the software they bought. For us, that's where it begins.»












Case Studies
Careers at Z83
Joining our team means you'll have the opportunity to work with inspiring entrepreneurs, provide valuable financial guidance, and contribute to the success of cutting-edge Swiss startups and SMEs.