Michael J. Harmelink
Professional summary
Michael Jon Harmelink is a registered financial advisor currently at SENTINEL ADVISORY GROUP, LLC located in Middleton, Wisconsin.
Michael is registered as an IAR (Investment Advisor Representative) and started their career in finance in 1999. Michael has worked at 3 firms and has passed the Series 63 and Series 7 exams.
Question & Answer
Aliases
Other business activities
CRS (Client Relationship Summary) - RIA
Click below to view Michael Jon Harmelink's CRS (Customer Relationship Summary).
Certified licenses
Experience
December 22, 2025 - Present
SENTINEL ADVISORY GROUP, LLC
Office #1: 1600 Aspen Commons Suite 825, Middleton, WI 53562August 5, 2025 - December 31, 2025
COMMONWEALTH FINANCIAL NETWORK
November 5, 1999 - November 2, 2001
PIPER SANDLER & CO.
State Registrations and Notice Filings
Listed states reflect where the advisor is authorized to serve clients under state regulations.
Highlighted states indicate IAR registrations
(12/22/2025)
Exams
Current Firm
SENTINEL ADVISORY GROUP, LLC
CRD#: 338121 / SEC#: 801-134809
Contact information
SEC notice filing (6 States and Territories)
Documents
Red Flags
Disclosures can be potential red flags, including customer disputes, regulatory fines, employer terminations, bankruptcies, judgments, liens, or certain criminal activities.
Check for any disclosures as part of your thorough research when choosing an advisor.
Company Information
SENTINEL ADVISORY GROUP, LLC
CRD#: 338121Middleton, WI 53562TRUST BUT VERIFY
Monitor Michael Harmelink
Get automatic monthly alerts on: