Privacy policy

Sigma Management Services only collects identifiable information that is specifically and voluntarily provided by a visitor to our site who has chosen to provide this information in order to obtain information, goods or services in return from Sigma Management Services. This type of information is used by us solely for the purposes for which it was provided. We will not share personally identifiable information with third parties, unless required by law or unless requested by the person to whom it relates.

Personal data collected by Sigma Management Services may be transferred to selected partners where it is necessary to meet the specific purpose for which the person has submitted the information. In such circumstances Sigma Management Services will only transfer the minimum data required to meet the purpose. Any person submitting data on the Sigma Management Services site is also providing explicit consent to cross border transmission of data collected on the Sigma Management Services site for the fulfilment of their voluntary requests.

Visitors are able to send email through the site. Their messages will contain the user’s screen name and email address, as well as any additional information the user may wish to include in the message. Sigma Management Services’ intention is not to gather any sensitive information through our web site unless required in order to meet the purpose for which the information has been submitted, or unless there is a legal requirement to do so. We suggest that you do not provide sensitive information unless it is necessary.

If you do wish to provide sensitive information for any reason you are also explicitly consenting that Sigma Management Services may use that information in the ways described in this privacy statement.

Transmission of Information to Third Parties

It is Sigma Management Services’ policy only to disclose information to third parties under the following circumstances:

  • As required by law.
  • When explicitly requested by a visitor.
  • When required in order to meet the purpose for which the information was provided by a visitor.

Sigma Management Services does not collect or compile personal identifying information for dissemination or sale to outside parties for consumer marketing purposes, nor do we host mailings on behalf of third parties.

Third party links

There are several places on that may link to other web sites that do not operate under the same privacy policy as When you link to other web sites, Sigma Management Services’ privacy practices no longer apply.

We encourage visitors to review each site’s privacy policy before disclosing any personally identifiable information.

Data retention

Some of the information we receive is not retained. Contact information about visitors will be kept as long as the information is required to completely service the contact request or until a user requests that we delete that information. Mailing list information and email are kept for only the period of time considered reasonable to facilitate the visitor’s requests or, where relevant, for the minimum period of time required by law.

Curriculum Vitae are disposed of when they are either no longer under consideration, or are considered out of date.


Visitors are not generally required to register to gain access to areas of the Sigma Management Services web site. In certain cases we may require visitors to register in order to obtain a username and password for authentication and access to a transaction or certain business confidential or proprietary information services.

Personally identifiable information provided to Sigma Management Services through its web site is provided voluntarily by visitors. Should visitors subsequently choose to unsubscribe from mailing lists or any registrations they may contact


Sigma Management Services has implemented generally accepted standards of technology and operational security in order to protect personally identifiable information from loss, misuse, alteration or destruction.


Sigma Management Services reserves the right to modify or amend this Statement at any time.

Policy amended August 2018.

Terms of Use

Champs-Montants 12b

CH-2074 Marin

The information contained in this Site is for general guidance on matters of interest only. The application and impact of laws can vary widely based on the specific facts involved. Given the changing nature of laws, rules and regulations, and the inherent hazards of electronic communication, there may be delays, omissions or inaccuracies in information contained in this Site.

Accordingly, the information on this Site is provided with the understanding that the authors and publishers are not herein engaged in rendering legal, accounting, tax, or other professional advice and services. As such, it should not be used as a substitute for consultation with professional accounting, tax, legal or other competent advisers.

While we have made every attempt to ensure that the information contained in this Site has been obtained from reliable sources, Sigma Management Services is not responsible for any errors or omissions, or for the results obtained from the use of this information. All information in this Site is provided “as is”, with no guarantee of completeness, accuracy, timeliness or of the results obtained from the use of this information, and without warranty of any kind, express or implied, including, but not limited to warranties of performance, merchantability and fitness for a particular purpose.

In no event will Sigma Management Services, its related partnerships or corporations, or the partners, agents or employees thereof be liable to you or anyone else for any decision made or action taken in reliance on the information in this Site or for any consequential, special or similar damages, even if advised of the possibility of such damages.

Certain links in this Site connect to other Web Sites maintained by third parties over whom Sigma Management Services has no control. Sigma Management Services makes no representations as to the accuracy or any other aspect of information contained in other Web Sites.

Terms of Use

Sigma Management Services provides tax and social security advice and related management services to contractors, agencies and others. Should any user of this site wish to rely in any way whatsoever on the content of this website, or on any responses received to enquiries made through this website, this should be clearly noted to us by contacting us, stating such person’s full personal details, the applicable facts and how the person wishes to use the content or response for his or her personal benefit.

The content of this site is general in nature and may therefore not be used for specific circumstances without a Sigma Management Services professional confirming that it indeed applies. Specific responses are given on specific facts provided. Any response is subject to the current applicability of tax laws, regulations and practice which may change at any time. Accordingly, any user of this site or any service that may follow from the use of this site agrees that the user accepts that the tax consequences will in all circumstances be “uncertain” and hence that no legal action whatsoever may be taken against the owners, contributors, associates or whatsoever parties howsoever related to this website.

Should the user wish to use content or engage in planning on which any reliance on content may be placed, we should be notified immediately thereof and an appropriate professional charge will be agreed to obtain our professional opinion prior to such use, planning or reliance.

These conditions of use apply to all content on the domain (and all attached sub-domains) and may be updated from time to time and as may be deemed appropriate and the user agrees to be bound by such updates and will familiarize himself or herself therewith.