William John Sempolinski

Employer firm

Five Corners Financial Services CRD 338120

$292M regulatory AUM

Reported services (Item 5G)

• Financial planning
• Portfolio management (individuals)

From the firm’s Form ADV. Read the guides:

• Item 5F — Regulatory AUM
• Item 5G — Advisory services
• Full firm profile

Current Employers

Employment History

• 12/1998 → 09/2025
  Commonwealth Financial Network
  South Boston, MA
• 10/2025 → Present
  William John Sempolinski D/B/A Five Corners Financial Services
  Easton, MA

Previous Registrations

• 1999-02-18 → 2025-10-08
  Commonwealth Financial Network
  South Easton, MA

Other Businesses

1) William Sempolinski; Not investment-related; South Easton, MA. 02375; Tax and Accounting; Owner; 8/1/2025; 20 hours per month; 0 during trading hours; Prepare tax returns 2) Licensed insurance agent; Not investment-related; South Easton, MA. 02375; Insurance sales; Implementation of insurance recommendations; 10 hours per month, 0 during trading hours; Licensed insurance agent 3) Quincy Animal Shelter; Investment related; Quincy, MA. 02169; Animal Shelter; Treasurer & Board Member; 8/1/2025; 12 hour per month; 0 during trading hours; Duties include managing and coordinating Tax filings, Financial reporting , budgeting and assisting in the managing of a small portfolio

Exams

• S65 Uniform Investment Adviser Law Examination
  1994-01-05
• S63 Uniform Securities Agent State Law Examination
  1993-07-16

Designations

• Certified Financial Planner
• Chartered Financial Consultant