John Lavasseur

FIVE CORNERS FINANCIAL SERVICES

EASTON, MA 02375

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CRD#: 7485530

Professional summary

John Lavasseur is a registered financial advisor currently at FIVE CORNERS FINANCIAL SERVICES located in Easton, Massachusetts.

John is registered as an IAR (Investment Advisor Representative) and started their career in finance in 2022. John has worked at 2 firms and has passed the Series 66, Series 7TO and SIE exams.

At a Glance

Always Fiduciary

Aliases

None

Other business activities

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.

1) William J. Sempolinski; Not investment-related; Easton, MA, 02375; Tax and Accounting; Tax Preparer; 11/30/2021; 10 hours per month; 0 during trading hours; Prepare and distribute tax returns

Blog Corner

CRS (Client Relationship Summary) - RIA

Click below to view John Lavasseur's CRS (Customer Relationship Summary).

CRS (Customer Relationship Summary)

Certified licenses

Advisors may have various certifications and credentials from different organizations. AdvisorCheck highlights these seven certifications - AIF®, CFP®, ChFC®, CFA, CLU®, CIMA®, CPWA®

None

Experience

Current

October 8, 2025 - Present

FIVE CORNERS FINANCIAL SERVICES

Office #1: 45 Bristol Drive Suite 207, Easton, MA 02375

RIA

CRD#: 338120

EASTON, MA

Past

July 12, 2022 - October 9, 2025

COMMONWEALTH FINANCIAL NETWORK

RIA

CRD#: 8032

South Easton, MA

Past

May 13, 2022 - October 9, 2025

COMMONWEALTH FINANCIAL NETWORK

CRD#: 8032

South Easton, MA

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".

FIVE CORNERS FINANCIAL SERVICES

FIVE CORNERS FINANCIAL SERVICES | SEMPOLINSKI, WILLIAM JOHN

CRD#: 338120 / SEC#: 801-134388

RIA

Registered Investment Advisory firm - (9/22/2025 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.

Highlighted states indicate IAR registrations

IAR

Massachusetts
(10/14/2025)

IAR

Texas
(10/8/2025)

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

What does exam status mean?

State Security Law Exam

IAR

Series 66

Status Unavailable

Passed: 7/1/2022

Uniform Combined State Law Examination

General Industry/Product Exam

Series 7TO

Status Unavailable

Passed: 5/13/2022

General Securities Representative Examination

General Industry/Product Exam

SIE

Status Unavailable

Passed: 1/6/2022

Securities Industry Essentials Examination

Current Firm

FIVE CORNERS FINANCIAL SERVICES

FIVE CORNERS FINANCIAL SERVICES | SEMPOLINSKI, WILLIAM JOHN

CRD#: 338120 / SEC#: 801-134388

RIA

Registered Investment Advisory firm - (9/22/2025 Approved)

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Contact information

Main Address

45 Bristol Drive Suite 207, Easton, MA 02375

Mailing Address

Phone number

(508) 297-2033

Established

Firm type

Fiscal year end

# of Employees

SEC notice filing (6 States and Territories)

Documents

Customer Relationship Summary (CRS / SEC)

Latest Form ADV

Part 2 Brochures

FIVE CORNERS FINANCIAL SERVICES (7/31/2026)

Regulatory assets under management

Total Number of Accounts	750
AUM (Assets Under Management)	$ 292,000,000

Red Flags

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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John Lavasseur

Professional summary

At a Glance

Aliases

Other business activities

Blog Corner

CRS (Client Relationship Summary) - RIA

Click below to view John Lavasseur's CRS (Customer Relationship Summary).

Certified licenses

Experience

FIVE CORNERS FINANCIAL SERVICES

COMMONWEALTH FINANCIAL NETWORK

COMMONWEALTH FINANCIAL NETWORK

Primary Firm SEC Registration

FIVE CORNERS FINANCIAL SERVICES

State Registrations and Notice Filings

Exams

Series 66

Passed: 7/1/2022

Series 7TO

Passed: 5/13/2022

SIE

Passed: 1/6/2022

Current Firm

FIVE CORNERS FINANCIAL SERVICES

Contact information

SEC notice filing (6 States and Territories)

Documents

Part 2 Brochures

Regulatory assets under management

Red Flags

Company Information

FIVE CORNERS FINANCIAL SERVICES

TRUST BUT VERIFY

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