Sigma and its group of companies have been operating world-wide since 1990 in the arena of international contract, tax and payroll management.
During that time we have built up a reputation with our clients as a company that gets the job done - efficiently and compliantly. We focus on the issues to allow our clients and consultants to focus on the job in hand.
We have a formidable team comprising specialists in contract management, payroll management, tax planning, administrative support services and recruitment support services.
If you are planning an assignment in the UK, Switzerland or anywhere else in the world, Sigma will have the answer to your questions.

Sigma Management Services has been operating in Switzerland since 1990 and in that time has built up a wealth of experience within the Swiss market.
Our area of expertise is in the provision of recruitment support services, payroll/contract management and fiscal compliance.
Sigma Management InternationalDeveloped for independent contractors and agencies in the UK, Sigma MI provides Umbrella Company services and related offerings.
Please visit www.sigmaMI.co.uk for more information.
Umbrella Company services for independent contractors in the UK and Swiss Consultants or Clients
For the UK Contact us at +44 1293 763077
For Switzerland contact us at +41 32 732 1500