Business partner Business partner


What counts for the retail business is also true for the business partner



A.T. Iser can bill all insurers nationwide, according to fixed agreed specifications. This is good for everyone, because insurers and customers know reliably what high standard they are receiving.


Fleet customers

If you operate in many locations, you don't want to search for a suitable auto glass partner in each one. It's good to have a reliable partner with the same standard nationwide.



As a competent partner, A.T. Iser can not only deliver the required auto glass quickly, but also has it installed by expert employees. Just as the auto glass partner wishes.

Our sales team

A.T. Iser's all-purpose weapons are called Grunwald, Haas, Schmalz, Wendtland, Will, Ax and Warneking. Because as a sales team, they are the first point of contact for insurance companies, fleet customers, commercial customers, new customers and their respective branches.

Wintec atiser logo
Marcus grundwald

Marcus Grunwald

Sales Management North and East

  • Braunschweig
  • Kassel
  • Limburg
  • Peine
Tel. 01713365866

Michael haas

Michael Haas

Sales Management South

  • Asperg
  • Böblingen
  • Herrenberg
  • Leonberg
  • Pfullingen
  • Sindelfingen
  • Stuttgart
Tel. 015123548940

Martin wendtland

Martin Wendtland

Sales Representative East / Southeast

  • Bautzen
  • Chemnitz
  • Dresden
  • Hallstadt
  • Schweinfurt
Tel. 016097730689

Daniel schmalz

Daniel Schmalz

Sales Representative Southwest

  • Achern
  • Freiburg
  • Heidelberg
  • Kaiserslautern
  • Ludwigshafen
Tel. 01714155775

Portrait michael will

Michael Will

Sales Representative North

  • München
  • Nürnberg
  • Augsburg
Tel. 01756610444

Tomas ax

Tomas Ax

Sales Representative Southwest

  • Idar-Oberstein
  • Kusel
  • Mannheim
  • Pforzheim
  • Offenburg
Tel. 015112556369

Portrait tobias warneking

Tobias Warneking

Sales Representative North

  • Bremen
  • Bremerhaven
  • Kiel
  • Lübeck
  • Oldenburg
Tel. 015161534734

"We are always available for our customers. Not via a hotline, but without a waiting loop - directly and personally. That is our understanding of good service."

Michael Haas, Sales Representative South