William John Sempolinski
CFP®, ChFC®, CLU®Professional Summary
William John Sempolinski, CFP®, ChFC®, CLU® is a registered financial advisor currently at FIVE CORNERS FINANCIAL SERVICES located in Easton, Massachusetts. William is registered as an IAR (Investment Advisor Representative) and started their career in finance in 1993. William has worked at 4 firms and has passed the Series 65, Series 63, SIE and Series 7 exams.
At a Glance
Fiduciary Standard
Fee Structure
Account Minimum
Active Clients
Fiduciary Standard
Fee Structure
Account Minimum
Active Clients
Services Offered
- Tax Planning
- Estate Planning
- Investment Planning
- Comprehensive Financial Planning
- Retirement Planning
Other Aliases
There are no additional aliases reported.
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Videos & Posts
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Contact Information
xxxxx@xxxx.xxx
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AMERIPRISE FINANCIAL SERVICES, LLC
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
Years of Experience
33 years registered in the securities industry
Current & Past Employments
Current
Past
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Current Firm
FIVE CORNERS FINANCIAL SERVICES | SEMPOLINSKI, WILLIAM JOHN
Contact Information
Main Address
45 Bristol Drive Suite 207, Easton, MA 02375Phone Number
(508) 297-2033# of Employees
3SEC notice filing (6 States and Territories)
Registered to provide investment advisory services in 6 US states and territories.
Documents
Part 2 Brochures
Regulatory Assets Under Management
Total Number of Accounts
750AUM (Assets Under Management)
$292,000,000Similar Advisors
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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.
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Primary Firm SEC Registration
FIVE CORNERS FINANCIAL SERVICES | SEMPOLINSKI, WILLIAM JOHN
State Registrations and Notice Filings
(10/14/2025)
(10/7/2025)
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.
Exams
Financial professionals may take different exams throughout their careers based on the types of services they provide and roles they perform.
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CRS (Client Relationship Summary) - RIA
Click below to view William John Sempolinski's CRS (Customer Relationship Summary).
Services Offered by William
- Tax Planning
- Estate Planning
- Investment Planning
- Comprehensive Financial Planning
- Retirement Planning
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AMERIPRISE FINANCIAL SERVICES, LLC