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JL

John Lavasseur

FIVE CORNERS FINANCIAL SERVICES
EASTON, MA
·CRD# 7485530·4 years experience

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

Fiduciary Standard

Fee Structure

Account Minimum

Active Clients

Fiduciary Standard

Fee Structure

Account Minimum

Active Clients

Other Aliases

There are no additional aliases reported.

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Contact Information

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Disclosures are events reported to regulators, such as customer disputes, regulatory actions, employment separations, or financial events. Some are resolved, denied, or contested — a disclosure is not a verdict. We recommend asking an advisor directly about any disclosure on their record.

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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Years of Experience

4 years in the financial services industry

Current & Past Employments

FIVE CORNERS FINANCIAL SERVICES·CRD# 338120
RIA
45 Bristol Drive Suite 207, Easton, MA 02375
October 8, 2025 - Present
COMMONWEALTH FINANCIAL NETWORK·CRD# 8032
RIA
South Easton, MA
July 12, 2022 - October 9, 2025
COMMONWEALTH FINANCIAL NETWORK·CRD# 8032
BD
South Easton, MA
May 13, 2022 - October 9, 2025

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Current Firm

FC
FIVE CORNERS FINANCIAL SERVICES

FIVE CORNERS FINANCIAL SERVICES | SEMPOLINSKI, WILLIAM JOHN

CRD#: 338120 / SEC#: 801-134388
RIA
Registered Investment Advisory firm - SEC (9/22/2025 Approved)

Contact Information

Main Address

45 Bristol Drive Suite 207, Easton, MA 02375

Phone Number

(508) 297-2033

# of Employees

3

SEC notice filing (6 States and Territories)

Registered to provide investment advisory services in 6 US 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

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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

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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".
FC
FIVE CORNERS FINANCIAL SERVICES

FIVE CORNERS FINANCIAL SERVICES | SEMPOLINSKI, WILLIAM JOHN

CRD#: 338120 / SEC#: 801-134388
RIA
Registered Investment Advisory firm - SEC (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.
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

Financial professionals may take different exams throughout their careers based on the types of services they provide and roles they perform.

Series 66 — Uniform Combined State Law Examination

Passed Jul 2022About the Series 66 exam

Series 7TO — General Securities Representative Examination

Passed May 2022About the Series 7TO exam

SIE — Securities Industry Essentials Examination

Passed Jan 2022About the SIE exam

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CRS (Client Relationship Summary) - RIA

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

CRS (Customer Relationship Summary)

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