Sean O. Armstrong
STRATEGIC ADVISERS LLC | Financial Consultant
WALNUT CREEK, CA
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CRD#: 1963737
Professional summary
Sean O'connell Armstrong, who also goes by Sean O Armstrong, Sean O'connell Armstrong, Sean Oconnell Armstrong, is a registered financial advisor currently at STRATEGIC ADVISERS LLC located in Walnut Creek, California and FIDELITY BROKERAGE SERVICES LLC located in Walnut Creek, California.
Sean is registered as an IAR (Investment Advisor Representative) and RR (Registered Representative) and started their career in finance in 1991. Sean has worked at 8 firms and has passed the Series 63, SIE, Series 31, Series 7, Series 6, Series 10, Series 9 and Series 8 exams.
Biography
I have been helping investors for over 30 years. I believe in making the complex simpler by offering a one on one relationship, financial planning and the power of Fidelity's investment management expertise. I will get to know you and your family's full financial picture, so we can engage in interactive planning and compare different scenarios and potential outcomes. I will help you create a financial plan that changes with you as your goals and objectives change over time.
Question & Answer
Are you a "fiduciary"?
Yes
Aliases
Sean O Armstrong | Sean O'connell Armstrong | Sean Oconnell Armstrong
Other business activities
Outside business activity is any business or activity undertaken by an advisor that is outside the scope of their relationship with their firm (e.g., consulting services, real estate, freelance work, teaching, etc.). Investors should stay informed about these activities to ensure no conflicts of interest.
OAA#: 69826 | Org Name:Rancho San Miguel Swim Club | Org Addr:Walnut Creek, CA, US | Nature of Bus:Community Swim Club | Invst Rel:N | Title:Maintenance Director | Duties:Make sure pool is functioning for daily activities | Start Dt:02/15/2016 | Total Hrs p/m:2 | Sec Trdng Hrs p/m:0
CRS (Client Relationship Summary) - RIA
Click below to view Sean O'connell Armstrong's CRS (Customer Relationship Summary).
Certified licenses
Advisors may have various certifications and credentials from different organizations. AdvisorCheck highlights these seven certifications - AIF®, CFP®, ChFC®, CFA, CLU®, CIMA®, CPWA®
NoneEducation
Marist College
Bachelor of Arts (BA) - Political Science
1988
Experience
Current
March 31, 2025 - Present
STRATEGIC ADVISERS LLC
Office #2: 2001 North Main Street Three Ygnacio Center, Ste 100, Walnut Creek, CA 94596RIA
CRD#: 104555
WALNUT CREEK, CA
Current
January 30, 2013 - Present
FIDELITY BROKERAGE SERVICES LLC
Office #1: 2001 North Main Street Three Ygnacio Center, Ste 100, Walnut Creek, CA 94596BD
CRD#: 7784
Walnut Creek, CA
Past
July 13, 2018 - March 31, 2025
FIDELITY PERSONAL AND WORKPLACE ADVISORS
RIA
CRD#: 288590
WALNUT CREEK, CA
Past
February 7, 2013 - July 13, 2018
STRATEGIC ADVISERS LLC
RIA
CRD#: 104555
WALNUT CREEK, CA
Past
July 24, 2008 - September 5, 2012
TD AMERITRADE, INC.
RIA
CRD#: 7870
SAN FRANCISCO, CA
Past
July 24, 2008 - September 5, 2012
TD AMERITRADE INVESTMENT MANAGEMENT, LLC
RIA
CRD#: 111514
SAN FRANCISCO, CA
Past
April 7, 2008 - September 5, 2012
TD AMERITRADE, INC.
BD
CRD#: 7870
SAN FRANCISCO, CA
Past
August 15, 2007 - November 14, 2007
WELLINGTON SECURITIES, INC.
BD
CRD#: 16659
SAN FRANCISCO, CA
Past
July 8, 1997 - August 18, 2005
CHARLES SCHWAB & CO., INC.
RIA
CRD#: 5393
SAN FRANCISCO, CA
Past
November 2, 1995 - August 18, 2005
CHARLES SCHWAB & CO., INC.
BD
CRD#: 5393
WESTLAKE, TX
Past
May 10, 1991 - February 3, 1995
MORGAN STANLEY DW INC.
BD
CRD#: 7556
PURCHASE, NY
Primary Firm SEC Registration
This SEC-registered firm can serve clients nationwide. Some states may require the firm to submit a notice filing if the firm has more than 5 clients or a physical office there. You can view these state-level filings under the section titled "State Registrations and Notice Filings".
SA
STRATEGIC ADVISERS LLC
CROSBY ADVISORS | STRATEGIC ADVISERS, INC. | STRATEGIC ADVISERS LLC | STRATEGIC ADVISERS INC. | SAME | PORTFOLIO PLANNER | PORTFOLIO ADVISORY SERVICES/PAS | PORTFOLIO ADVISORY SERVICES | FIDELITY PRIVATE PORTFOLIO SERVICES | FIDELITY PORTFOLIO SELECTOR | FIDELITY PORTFOLIO PLANNER | FIDELITY FUNDS MANAGERPROGRAM
CRD#: 104555 / SEC#: 801-13243
RIA
Registered Investment Advisory firm - (8/11/1977 Approved)State Registrations and Notice Filings
Listed states reflect where the advisor is authorized to serve clients under state regulations.
IAR
means the advisor is registered as an Investment Advisor Representative in this state and is authorized to provide investment advice to clients there.RR
indicates the advisor is registered as a Registered Representative in this state, allowing them to offer securities such as stocks, bonds, and mutual funds through a broker-dealer.Visual representation of state registrations
RR
Arizona(1/4/2019)
RR
Arkansas(7/21/2023)
RR
California(1/30/2013)
IAR
California(3/31/2025)
RR
Colorado(12/6/2019)
RR
Connecticut(3/4/2022)
RR
Florida(12/4/2017)
RR
Hawaii(9/29/2023)
RR
Idaho(2/13/2021)
RR
Illinois(10/21/2019)
RR
Iowa(5/3/2024)
RR
Maryland(7/19/2024)
RR
Massachusetts(12/4/2017)
RR
Michigan(1/7/2022)
RR
Montana(11/28/2023)
RR
Nevada(1/30/2013)
RR
New Jersey(1/4/2025)
RR
New York(10/21/2019)
RR
North Carolina(7/21/2023)
RR
Oregon(1/30/2013)
RR
Pennsylvania(2/12/2021)
RR
Tennessee(4/24/2017)
RR
Texas(11/30/2015)
IAR
Texas(3/31/2025)
RR
Utah(3/4/2022)
RR
Washington(7/8/2013)
Exams
State Security Law Exam
General Industry/Product Exam
General Industry/Product Exam
General Industry/Product Exam
General Industry/Product Exam
Principal/Supervisory Exam
Principal/Supervisory Exam
Principal/Supervisory Exam
RR
Series 8
Date: 6/17/1998
General Securities Sales Supervisor Examination (Options Module & General Module)SRO Registrations
RR
FINRA
SRO Registrations
RR
New York Stock Exchange
Current Firm
SA
STRATEGIC ADVISERS LLC
CROSBY ADVISORS | STRATEGIC ADVISERS, INC. | STRATEGIC ADVISERS LLC | STRATEGIC ADVISERS INC. | SAME | PORTFOLIO PLANNER | PORTFOLIO ADVISORY SERVICES/PAS | PORTFOLIO ADVISORY SERVICES | FIDELITY PRIVATE PORTFOLIO SERVICES | FIDELITY PORTFOLIO SELECTOR | FIDELITY PORTFOLIO PLANNER | FIDELITY FUNDS MANAGERPROGRAM
CRD#: 104555 / SEC#: 801-13243
RIA
Registered Investment Advisory firm - (8/11/1977 Approved)Upgrade to AdvisorCheck Premium
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Contact information
Main Address
155 Seaport Blvd, Boston, MA 02210-2698
Mailing Address
Phone number
(617) 563-7000
Established
Firm type
Fiscal year end
# of Employees
16,291
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.
Check for any disclosures as part of your thorough research when choosing an advisor.
Company Information
STRATEGIC ADVISERS LLC
Financial ConsultantCRD#: 104555Walnut Creek, CATRUST BUT VERIFY
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Contact information
(xxx) xxx-xxxx
xxxxx@xxxx.xxx
