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
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Pension advice

We are at your side with all questions relating to your pension: preventive analyzes, child and adult protection, checks, etc.
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Service from A to Z

We offer comprehensive fiduciary services for business customers. 
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Fill in the tax return

Tax services for private clients

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

Our values


Ask us your question or simply arrange a non-binding consultation - by email, online or by phone. We are looking forward to meeting you personally.

Advisory languages

Auxiliary languages


Register your claim here directly: We are available from Mon.-Fri. Can be reached by phone from 8 a.m. to 5 p.m. We do the rest!