General Agent & Surplus Lines Broker

Get Started with GSU

Interested in Partnering with GSU?

Please complete and submit the Producer Questionnaire along with the following documents:

  • Copy of Agency License(s)
  • Copy of E&O Declaration Page

Our company personnel will contact you as quickly as possible with the status of your request, once the completed documents have been reviewed.

*Please note that submissions are not processed without prior approval.

For additional information or questions regarding our appointment process, please contact our Marketing Department at (425) 643-5200 or email

Thank you!

Providing Superior Service Since 1928 Superior Underwriters  -  GSU Insurance Services  -  Groninger & Co., Inc.  -  CA License #0745051
800-782-8699 (WA Office) 866-366-1644 (UT Office)
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