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William A. O'brien

William A. O'brien

CFP®, CPWA®
Vice President, Wealth Planner·STRATEGIC ADVISERS
HOUSTON, TX
·CRD# 2188396·33 years experience

Professional Summary

William A. O'brien, CFP®, CPWA®, who also goes by William Anthony O'brien, William Anthony Obrien, is a registered financial advisor currently at STRATEGIC ADVISERS LLC located in Houston, Texas and FIDELITY BROKERAGE SERVICES LLC located in Katy, Texas. William is registered as an IAR (Investment Advisor Representative) and RR (Registered Representative) and started their career in finance in 1993. William has worked at 7 firms and has passed the Series 65, Series 63, SIE, Series...

At a Glance

Advisory Accounts Only

Fiduciary Standard

Fee Structure

Account Minimum

Active Clients

Fiduciary Standard

Fee Structure

Account Minimum

Active Clients

Biography

I develop deep relationships with a select group of individuals & families partnering with them to create comprehensive financial planning. We accomplish this via a process which begins with discovery where I learn about each clients unique story. I am driven by my passion to provide my clients with holistic wealth planning tailored to suit their unique lifestyles.

Other Aliases

William Anthony O'brien, William Anthony Obrien

Blog Corner

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Videos & Posts

This advisor has not added any videos or posts yet.

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Contact Information

Direct

(xxx) xxx-xxxx

Email

xxxxx@xxxx.xxx

Website

xxxxxxxxxx.xxx

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Disclosures are events reported to regulators, such as customer disputes, regulatory actions, employment separations, or financial events. Some are resolved, denied, or contested — a disclosure is not a verdict. We recommend asking an advisor directly about any disclosure on their record.

Disclosures on record.

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.

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Credentials

CFP®
Certified Financial Planner
CPWA®
Certified Private Wealth AdvisorValid 2022-05-17 ~ 2024-04-30

Years of Experience

33 years in the financial services industry

Current & Past Employments

STRATEGIC ADVISERS LLC·CRD# 104555
RIA
1. Houston, TX2. 23501 Cinco Ranch Blvd Bld C, Suite C-150, Katy, TX 77494-3095
March 31, 2025 - Present
FIDELITY BROKERAGE SERVICES LLC·CRD# 7784
BD
23501 Cinco Ranch Blvd Bld C, Suite C-150, Katy, TX 77494-3095
November 19, 2012 - Present
FIDELITY PERSONAL AND WORKPLACE ADVISORS·CRD# 288590
RIA
Katy, TX
July 13, 2018 - March 31, 2025
STRATEGIC ADVISERS LLC·CRD# 104555
RIA
Katy, TX
September 3, 2013 - July 13, 2018
MAXIM GROUP LLC·CRD# 120708
BD
New York, NY
October 15, 2010 - May 31, 2012
FIRST AMERICAN CAPITAL AND TRADING CORPORATION·CRD# 118812
BD
Boca Raton, FL
June 16, 2003 - October 30, 2003
LADENBURG THALMANN & CO. INC.·CRD# 505
BD
New York, NY
May 5, 2003 - June 16, 2003
DEUTSCHE IXE, LLC·CRD# 7172
BD
New York, NY
April 7, 1993 - June 28, 2002

Education

Syracuse University

·

Finance, Bachelor of Science (BS)

Finance, Bachelor of Science (BS)

1991

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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 - SEC (8/11/1977 Approved)

Contact Information

Main Address

155 Seaport Blvd, Boston, MA 02210-2698

Phone Number

(617) 563-7000

# of Employees

17,112

SEC notice filing (52 States and Territories)

Registered to provide investment advisory services in 52 US states and territories.

Documents

Customer Relationship Summary (CRS / SEC)Latest Form ADV

Part 2 Brochures

STRATEGIC ADVISERS LLC (3/30/2026)

Regulatory Assets Under Management

Total Number of Accounts

2,973,512

AUM (Assets Under Management)

$1,370,125,325,211

Accountant Surprise Examination Report

Filing DateForm ADV-E CoverForm ADV-E Report
09/24/2025Cover PageReport

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Other business activities

Information obtained from regulatory filings. Advisors can request corrections through their firm or regulator.

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.

OBA-118601|OrgNmn:Island Oasis LLC|Org Addr:Austin,Texas,US|OBA Nature:We own a 2nd home. We may rent|Invst Rel:Y|Title:Partner|Duties:Maintain the home. |StrtDt:05-01-23|TotHrs/mon:1|TrdHrs/mon:0|

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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 - SEC (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 securities offerings such as stocks, bonds, and mutual funds through a broker-dealer.
RR
Alabama
(9/17/2024)
RR
Alaska
(4/28/2025)
RR
Arizona
(4/11/2022)
RR
Arkansas
(1/6/2023)
RR
California
(4/28/2025)
RR
Colorado
(4/28/2025)
RR
Connecticut
(4/28/2025)
RR
Delaware
(4/28/2025)
RR
District of Columbia
(4/28/2025)
RR
Florida
(7/13/2020)
RR
Georgia
(10/22/2021)
RR
Hawaii
(4/28/2025)
RR
Idaho
(4/28/2025)
RR
Illinois
(12/3/2024)
RR
Indiana
(10/8/2021)
RR
Iowa
(4/28/2025)
RR
Kansas
(4/28/2025)
RR
Kentucky
(4/28/2025)
RR
Louisiana
(4/28/2021)
RR
Maine
(4/28/2025)
RR
Maryland
(4/28/2025)
RR
Massachusetts
(8/25/2023)
RR
Michigan
(4/28/2025)
RR
Minnesota
(4/28/2025)
RR
Mississippi
(4/28/2025)
RR
Missouri
(4/28/2025)
RR
Montana
(4/28/2025)
RR
Nebraska
(4/28/2025)
RR
Nevada
(4/28/2025)
RR
New Hampshire
(4/28/2025)
RR
New Jersey
(4/28/2021)
RR
New Mexico
(4/28/2021)
RR
New York
(4/28/2025)
RR
North Carolina
(5/6/2022)
RR
North Dakota
(4/28/2025)
RR
Ohio
(4/29/2025)
RR
Oklahoma
(1/2/2015)
RR
Oregon
(4/28/2025)
RR
Pennsylvania
(5/20/2023)
RR
Puerto Rico
(4/28/2025)
RR
Rhode Island
(4/28/2025)
RR
South Carolina
(4/28/2025)
RR
South Dakota
(4/28/2025)
RR
Tennessee
(4/28/2025)
RR
Texas
(11/19/2012)
IAR
Texas
(3/31/2025)
RR
Utah
(4/28/2025)
RR
Vermont
(4/28/2025)
RR
Virgin Islands
(4/28/2025)
RR
Virginia
(4/28/2025)
RR
Washington
(1/13/2020)
RR
West Virginia
(4/28/2025)
RR
Wisconsin
(4/28/2025)
RR
Wyoming
(4/28/2025)

Don't see your state listed? The advisor may still be able to work with you under the federal De Minimis Rule, which allows up to five investment advisory clients in a state without registration. Some states, like TX, LA, NE, and NH, may still require registration or notice filing. Contact the advisor or their firm to confirm their investment advisory availability in your state.Note:This rule does not apply to broker-dealer activity.

Exams

Financial professionals may take different exams throughout their careers based on the types of services they provide and roles they perform.

Series 65 — Uniform Investment Adviser Law Examination

Passed Feb 2013About the Series 65 exam

Series 63 — Uniform Securities Agent State Law Examination

Passed Oct 2010About the Series 63 exam

SIE — Securities Industry Essentials Examination

Passed Oct 2018About the SIE exam

Series 7 — General Securities Representative Examination

Passed Oct 2010About the Series 7 exam

Series 3 — National Commodity Futures Examination

Passed Apr 2010About the Series 3 exam

Series 55 — Limited Representative-Equity Trader Exam

Passed Jul 1999
FINRA
SRO Registrations
New York Stock Exchange
SRO Registrations

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CRS (Client Relationship Summary) - RIA

Click below to view William A. O'brien's CRS (Customer Relationship Summary).

CRS (Customer Relationship Summary)

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William A. O'brien
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