WM
CFP
WM
CFP

William Mattey

25 Years of Experience
Cohasset, MA
Broker

William Mattey is a CFP-designated registered investment advisor at Strategic Advisers LLC, based in Cohasset, MA, with 25 years of industry experience. William operates on a fee-only basis, meaning they do not earn commissions from product sales. Their practice areas include Financial Planning & Coaching, Retirement Planning. Their firm serves 2,031,770 clients with $1100B in assets under management.

Compensation
Fee-Only (% of Portfolio)Fixed/Hourly
Firm Size
17027 advisors
Number of Clients
2,031,770 clients
Average Client Portfolio
$525K average
Assets Under Management
$1067.7B

Fee Structure

Minimum Investment:$50K
Planning is included in investment management (also available separately)
Portfolio-Based Fees (Tiered)
Portfolio ValueAnnual Fee
Up to $500K1.25%
$500K - $1.0M1.10%
$1.0M - $2.0M0.90%
$2.0M - $5.0M0.70%
$5M+0.50%

Fidelity Advisory Services: 1.10% on all assets. Wealth Management and Private Wealth Management: tiered fees as described above. Fees are subject to change and can be negotiated for certain accounts. Additional fees of up to 0.40% may apply for SMA Sleeves where advisory services are not provided solely by a Strategic Advisers affiliate.

Fee Estimator
Your Portfolio Value
$500K
$0$500K$1M$5M$20M
Estimated Annual Fee
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Location

Cohasset, MA

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History

Regulatory History
Clean regulatory record

No disclosures, customer disputes, or regulatory actions on file.

Disclosures include customer complaints, regulatory actions, and other events that advisors must report to the SEC. A clean record means none have been reported.

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Employment History
Current Registrations
Strategic Advisers LLC
March 2025 - Present · 1 yr 2 mos
Fidelity Brokerage Services LLC
March 2014 - Present · 12 yrs 2 mos
Fidelity Brokerage Services LLCBroker
March 2014 - Present · 12 yrs 2 mos
Previous Registrations
Fidelity Personal and Workplace Advisors
July 2018 - March 2025 · 6 yrs 8 mos
Strategic Advisers LLC
May 2014 - July 2018 · 4 yrs 2 mos
Oppenheimer & CO. INC.Broker
September 2011 - September 2012 · 1 yr
Susquehanna Financial Group, LllpBroker
March 2010 - June 2011 · 1 yr 3 mos
J.P. Morgan Securities INC.Broker
October 2008 - February 2010 · 1 yr 4 mos
J.P. Morgan Securities INC.Broker
January 2001 - October 2008 · 7 yrs 9 mos
J.P. Morgan Securities INC.Broker
April 2000 - May 2001 · 1 yr 1 mo
Signator Investors, INC.Broker
August 1998 - May 2000 · 1 yr 9 mos
State Registrations18 states
CACOCTDCFLGAMAMDMENHNJNMNYPARITNTXVA
AdvisorBrokerBoth

You can work with an advisor not registered in your state. Most advisors can legally serve a small number of clients across state lines without registering.

Exams
No exam information available for this advisor.