John D. Griffin

MAINSAIL FINANCIAL GROUP

BELLEVUE, WA 98004

CRD#: 6353317

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Professional summary

John David Griffin, CFP® is a registered financial advisor currently at MAINSAIL FINANCIAL GROUP located in Bellevue, Washington.

John is registered as an IAR (Investment Advisor Representative) and started their career in finance in 2014. John has worked at 6 firms and has passed the Series 66, Series 63, SIE and Series 7 exams.

Question & Answer

Are you a "fiduciary"?

Yes

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.

The advisor shows no other business activity.

Blog Corner

CRS (Client Relationship Summary) - RIA

Click below to view John David Griffin'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®

CFP^®

Certified Financial Planner

Experience

Current

June 12, 2026 - Present

MAINSAIL FINANCIAL GROUP

Office #1: 11245 Se 6th Street Suite 140, Bellevue, WA 98004

RIA

CRD#: 317970

BELLEVUE, WA

Past

August 28, 2025 - May 27, 2026

LIDO

RIA

CRD#: 269866

Bellevue, WA

Past

August 2, 2019 - December 20, 2022

BRIGHTON JONES LLC

RIA

CRD#: 108601

SEATTLE, WA

Past

July 13, 2018 - September 26, 2018

FIDELITY PERSONAL AND WORKPLACE ADVISORS

RIA

CRD#: 288590

BOSTON, MA

Past

May 29, 2015 - July 13, 2018

STRATEGIC ADVISERS LLC

RIA

CRD#: 104555

BELLEVUE, WA

Past

July 10, 2014 - September 20, 2018

FIDELITY BROKERAGE SERVICES LLC

CRD#: 7784

BELLEVUE, WA

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".

MAINSAIL FINANCIAL GROUP

MAINSAIL FINANCIAL GROUP | MAINSAIL FINANCIAL GROUP, LLC

CRD#: 317970 / SEC#: 801-123307

RIA

Registered Investment Advisory firm - (2/25/2022 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

Oregon
(6/12/2026)

IAR

Washington
(6/12/2026)

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

State Security Law Exam

IAR

Series 66

Date: 11/18/2014

Uniform Combined State Law Examination

State Security Law Exam

Series 63

Date: 7/24/2014

Uniform Securities Agent State Law Examination

General Industry/Product Exam

SIE

Date: 9/20/2018

Securities Industry Essentials Examination

General Industry/Product Exam

Series 7

Date: 7/10/2014

General Securities Representative Examination

Current Firm

MAINSAIL FINANCIAL GROUP

MAINSAIL FINANCIAL GROUP | MAINSAIL FINANCIAL GROUP, LLC

CRD#: 317970 / SEC#: 801-123307

RIA

Registered Investment Advisory firm - (2/25/2022 Approved)

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Contact information

Main Address

11245 Se 6th Street Suite 140, Bellevue, WA 98004

Mailing Address

Phone number

(425) 502-7693

Established

Firm type

Fiscal year end

# of Employees

SEC notice filing (7 States and Territories)

Documents

Customer Relationship Summary (CRS / SEC)

Latest Form ADV

Part 2 Brochures

MAINSAIL FINANCIAL GROUP ADV BROCHURE (1/30/2026)

Regulatory assets under management

Total Number of Accounts	1,448
AUM (Assets Under Management)	$ 403,920,372

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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Advisor Monitoring

Firm Stability Insights

John D. Griffin

Professional summary

Question & Answer

Aliases

Other business activities

Blog Corner

CRS (Client Relationship Summary) - RIA

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

Certified licenses

Experience

LIDO

BRIGHTON JONES LLC

FIDELITY PERSONAL AND WORKPLACE ADVISORS

STRATEGIC ADVISERS LLC

FIDELITY BROKERAGE SERVICES LLC

Primary Firm SEC Registration

MAINSAIL FINANCIAL GROUP

State Registrations and Notice Filings

Exams

Series 66

Date: 11/18/2014

Series 63

Date: 7/24/2014

SIE

Date: 9/20/2018

Series 7

Date: 7/10/2014

Current Firm

MAINSAIL FINANCIAL GROUP

Contact information

SEC notice filing (7 States and Territories)

Documents

Part 2 Brochures

Regulatory assets under management

Red Flags

Company Information

MAINSAIL FINANCIAL GROUP

TRUST BUT VERIFY

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