Contact SII Investments

SII Investments, Inc. (SII) is a full-service, independent broker/dealer dedicated to not just meeting, but exceeding expectations. You've got questions. We've got answers - and, more importantly, solutions. We are passionately committed to delivering a service level unparalleled in the financial industry. Please complete the following information request form if:

  • You care to provide SII with feedback
  • You're unsure where to direct an inquiry

Don't fret. We'll make sure the appropriate contact receives your request!

Contact SII Investments Online

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Contact By Phone

To speak with someone regarding a recent mailing you received from SII Investments, Inc., please dial (920) 225-7487.

To speak with someone from our Human Resources Department, please dial (800) 426-5975, followed by the extension provided below:

  • Nancy Huempfner, x32612

To speak with someone from our Recruiting Team, please dial (800) 426-5975, followed by one of the extensions provided below:

  • Steve Van Domelen, x32699
  • Mike Kitzman, x32697