William E. Mattey
Professional summary
William E Mattey, CFP®, who also goes by William Edward Mattey, William Mattey, is a registered financial advisor currently at STRATEGIC ADVISERS LLC located in Cohasset, Massachusetts and FIDELITY BROKERAGE SERVICES LLC located in Westwood, Massachusetts.
William is registered as an IAR (Investment Advisor Representative) and RR (Registered Representative) and started their career in finance in 1998. William has worked at 9 firms and has passed the Series 65, Series 63, SIE, Series 7 and Series 6 exams.
Biography
Question & Answer
Aliases
Other business activities
CRS (Client Relationship Summary) - RIA
Click below to view William E Mattey's CRS (Customer Relationship Summary).
Certified licenses
Education
Hartwick College
Bachelor of Arts (BA) - History
1992
Experience
March 31, 2025 - Present
STRATEGIC ADVISERS LLC
Office #2: 109 University Ave Ste 107, Westwood, MA 02090-2306March 26, 2014 - Present
FIDELITY BROKERAGE SERVICES LLC
Office #1: 109 University Ave Ste 107, Westwood, MA 02090-2306July 13, 2018 - March 31, 2025
FIDELITY PERSONAL AND WORKPLACE ADVISORS
May 19, 2014 - July 13, 2018
STRATEGIC ADVISERS LLC
September 7, 2011 - September 7, 2012
OPPENHEIMER & CO. INC.
March 4, 2010 - June 10, 2011
SUSQUEHANNA FINANCIAL GROUP, LLLP
October 1, 2008 - February 12, 2010
J.P. MORGAN SECURITIES LLC
January 10, 2001 - October 1, 2008
J.P. MORGAN SECURITIES INC.
April 28, 2000 - May 1, 2001
JPMSI
August 20, 1998 - May 1, 2000
SIGNATOR INVESTORS, INC.
Primary Firm SEC Registration
STRATEGIC ADVISERS LLC
CRD#: 104555 / SEC#: 801-13243
State Registrations and Notice Filings
Listed states reflect where the advisor is authorized to serve clients under state regulations.
Visual representation of state registrations
(2/12/2021)
(3/26/2014)
(4/23/2020)
(1/5/2016)
(10/31/2022)
(3/26/2014)
(7/30/2025)
(3/26/2014)
(3/31/2025)
(3/26/2014)
(5/3/2024)
(6/4/2019)
(2/19/2019)
(7/19/2019)
(3/26/2014)
(5/28/2024)
(1/21/2021)
(3/31/2025)
(2/26/2019)
Exams
FINRA
New York Stock Exchange
Current Firm
STRATEGIC ADVISERS LLC
CRD#: 104555 / SEC#: 801-13243
Contact information
SEC notice filing (52 States and Territories)
Documents
Regulatory assets under management
| Total Number of Accounts | 2,486,631 |
| AUM (Assets Under Management) | $ 1,067,664,605,590 |
Accountant surprise examination report
| Filing Date | Form ADV-E Cover | Form ADV-E Report |
|---|---|---|
| 09/24/2025 |
Red Flags
Disclosures can be potential red flags, including customer disputes, regulatory fines, employer terminations, bankruptcies, judgments, liens, or certain criminal activities.
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Company Information
STRATEGIC ADVISERS LLC
Financial ConsultantCRD#: 104555Cohasset, MATRUST BUT VERIFY
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