William G. Mcmillan
Professional summary
William Gillies Mcmillan, who also goes by William Mcmillan, is a registered financial advisor currently at HENDERSON BROTHERS FINANCIAL PARTNERS LLC located in Pittsburgh, Pennsylvania and LPL FINANCIAL LLC located in Pittsburgh, Pennsylvania.
William is registered as an IAR (Investment Advisor Representative) and RR (Registered Representative) and started their career in finance in 2022. William has worked at 3 firms and has passed the Series 65, Series 6TO and SIE exams.
Question & Answer
Aliases
Other business activities
CRS (Client Relationship Summary) - RIA
Click below to view William Gillies Mcmillan's CRS (Customer Relationship Summary).
Certified licenses
Experience
December 11, 2025 - Present
HENDERSON BROTHERS FINANCIAL PARTNERS LLC
Office #1: 920 Fort Duquesne Boulevard, Pittsburgh, PA 15222July 15, 2025 - Present
LPL FINANCIAL LLC
Office #1: 920 Fort Duquesne Blvd, Pittsburgh, PA 15222-3602November 24, 2025 - March 11, 2026
LPL FINANCIAL LLC
November 14, 2022 - May 29, 2025
NATIONWIDE INVESTMENT SERVICES CORPORATION
Primary Firm SEC Registration
HENDERSON BROTHERS FINANCIAL PARTNERS LLC
CRD#: 333732 / SEC#: 801-131774
State Registrations and Notice Filings
Listed states reflect where the advisor is authorized to serve clients under state regulations.
Highlighted states indicate IAR registrations
(12/11/2025)
Exams
Series 6TO
Date: 11/14/2022
Investment Company Products/Variable Contracts Representative ExaminationFINRA
Current Firm
HENDERSON BROTHERS FINANCIAL PARTNERS LLC
CRD#: 333732 / SEC#: 801-131774
Contact information
SEC notice filing (11 States and Territories)
Documents
Regulatory assets under management
| Total Number of Accounts | 1,349 |
| AUM (Assets Under Management) | $ 327,345,953 |
Red Flags
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