William L. Guinan
Professional summary
William Lawrence Guinan, who also goes by William III Guinan, William Lawrence Guinan III, William L. Guinan Iii Iii, William L. Guinan Iii, Bill Lawrence Guinan Iii, is a registered financial professional currently at PROOF SERVICES LLC located in New York, New York.
William is registered as a RR (Registered Representative) and started their career in finance in 1998. William has worked at 7 firms and has passed the Series 63, Series 57TO, SIE, Series 55, Series 25, Series 7 and Series 24 exams.
Question & Answer
Aliases
Other business activities
CRS (Client Relationship Summary) - BD
Click below to view William Lawrence Guinan's CRS (Customer Relationship Summary).
Certified licenses
Experience
June 26, 2024 - Present
PROOF SERVICES LLC
July 3, 2019 - July 27, 2022
IEX SERVICES LLC
May 19, 2005 - May 6, 2019
SANFORD C. BERNSTEIN & CO., LLC
February 6, 2004 - May 13, 2005
RBC CAPITAL MARKETS CORPORATION
January 12, 2000 - February 6, 2004
RBC CAPITAL MARKETS, LLC
February 18, 1999 - December 31, 1999
PRENTICE SECURITIES, INCORPORATED
September 30, 1998 - December 7, 1998
QUICK & REILLY, INC.
State Registrations and Notice Filings
Listed states reflect where the advisor is authorized to serve clients under state regulations.
Visual representation of state registrations
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Exams
Series 57TO
Date: 1/2/2023
Securities Trader ExamSeries 55
Date: 6/5/2000
Limited Representative-Equity Trader ExamSeries 25
Date: 4/6/2000
NYSE Trading Assistant ExaminationFINRA
Investors' Exchange LLC
Current Firm
PROOF SERVICES LLC
CRD#: 306369 / SEC#: , 8-70450
Contact information
FINRA licenses (15 States and Territories)
Documents
Red Flags
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