Independent insurance broker and trustee.

Simple, safe, personal.
"The price of success is dedication, hard work and relentless commitment to what you want to achieve."
ATG Business AG Seitz Roger 09 21
Roger Seitz
Mandate manager l member of the executive board


We are pleased to welcome you to our homepage, where you will find all the important information about our regionally based company. At ATG, we are proud to have been your trustworthy partner in insurance and trust services for years.

Our services are as diverse as our customers. As an experienced insurance broker, we help companies and individuals alike find the right insurance solutions that meet their needs. And as competent fiduciaries, we offer professional support in the areas of accounting, tax advice, setting up a business and much more.

Whether you are a small family business, an aspiring start-up founder or simply looking for personal insurance advice – ATG is here to help.

What can we do for you?


Independent insurance broker

We are your contact for all aspects of insurance: Enthusiasm and competence in assessing risks, continuous support and full support in the event of a claim
additional Information


Pension advice

We are at your side with all questions relating to your pension: preventive analyzes, child and adult protection, checks, etc.
additional Information


Service from A to Z

We offer comprehensive fiduciary services for business customers. 
additional Information

Fill in the tax return

Tax services for private clients

Benefit from first-class tax advice or have your tax return filled out.
additional Information
ATG Business AG atg team all 35 23

Our values

Contact insurance

Do you have a question about insurance or would you like to make an appointment with an insurance advisor? Contact us via homepage or contact us by phone.

Contact Trustee

Do you have a question about your taxes or escrow? You are welcome to contact us with your inquiry via the homepage or by telephone. We are looking forward to meeting you personally.

Advisory languages

Auxiliary languages


We are open Mon.-Fri. Available by phone from 8 a.m. to 12 p.m. and 1:30 p.m. to 5 p.m. We do the rest!