William Shack
Advisor at Clearstead; Clearstead Advisory Solutions
Data sourced from SEC public records (and other sources when available). Some details may be added by the advisor after claiming their profile. Refreshed daily • Updated today.
Advisor at Clearstead; Clearstead Advisory Solutions
Data sourced from SEC public records (and other sources when available). Some details may be added by the advisor after claiming their profile. Refreshed daily • Updated today.
Location
Seattle, WA 98104
Credentials
CFP®, CFA®, Series 63, Series 66
Industry experience
14 years
William Shack is a financial advisor at Clearstead Advisory Solutions in Seattle, WA, holding CFP® and CFA® designations with 14 years of industry experience. Prior to joining Clearstead, he worked at The Clarius Group, LLC and Charles Schwab, where he spent over a decade in various roles. Clearstead serves affluent private clients and institutional investors, providing investment management, financial planning, tax compliance, family office administration, and institutional consulting. The firm manages approximately $33.9 billion in assets through a team of 59 advisors and employs an investment process that combines portfolio analytics, manager research, and strategic asset allocation across diverse investment vehicles.
Based on Clearstead; Clearstead Advisory Solutions
Based on Clearstead; Clearstead Advisory Solutions
Based on Clearstead; Clearstead Advisory Solutions
Based on Clearstead; Clearstead Advisory Solutions
Financial Planning fees starting at $3,500; Executive Financial Services one-time initial financial analysis fees, and ongoing negotiated advisory fees; retainer/project-based fees negotiated case-by-case
0.10% - 1.00% annually
999 3rd Avenue
Seattle, WA 98104
Washington
Clearstead Advisors
2026 - Present (1 year)
The Clarius Group, LLC
2023 - 2026 (3 years)
Charles schwab Bank
2014 - 2023 (9 years)
Charles Schwab
2010 - 2023 (13 years)
Exclamation point means they have disclosures of this type. Check mark means no disclosures of this type were found.
Is active or affiliated with:
Trust company
They provide trust and estate administration services, typically for separate fees.
Is not active or affiliated with:
Insurance agent
They sell insurance products and may earn commissions on those sales.
Broker-dealer / trader
They provide brokerage services and may earn transaction-based compensation in addition to advisory fees.
Bank
They're affiliated with a bank that may offer its own financial products and services.
Fund sponsor
They manage or sponsor investment funds and may earn management or performance-based fees if clients invest in them.
Accountant / CPA / tax prep
They offer tax and accounting services, typically for separate fees.
Lawyer
They provide legal services, typically billed separately.
Real estate agent
They facilitate real estate transactions and may earn commissions.
Other specialized services
They may provide services such as pension consulting or municipal advisory work, typically for separate fees.
Not sure where to start?
We'll help you think it through — whether you ultimately need an advisor or not.
Warmer helps you compare advisors clearly — so you can choose with confidence.
Warmer provides personalized recommendations and introductions to independent fiduciary advisors. We do not supervise advisors, manage or hold assets, guarantee performance, or provide advice about specific investments.
Each advisor listed on our site is an independent fiduciary responsible for their own advice. Warmer may receive fees from advisors for participation or referrals; these fees are paid by advisors and do not affect the fees clients pay for advisory services.
For advisor listings, we rely on sources including public filings and data provided by advisors, and we cannot guarantee that all information is current or accurate. Please review an advisor's Form ADV and do your own diligence before entering into an advisory relationship.
By using our service, you agree to Warmer's Terms of Service and Advisory Agreement and Privacy Policy. Logos provided by Logo.dev
© 2026 Warmer Holdings Inc. ("Warmer")