Skip to content
Blair Martin, portrait

Blair Martin

Principal at Stonebridge Financial Group in San Rafael, CA

Investment adviser and broker registrationsUpdated

Blair Martin is Principal of Stonebridge Financial Group, LLC, an investment adviser managing $896M, and works from its San Rafael, CA office. Blair Martin has been registered as an investment adviser representative through Stonebridge Financial Group since 2 March 2026, has 24 years in the industry across 5 firms and has passed the Series 7, Series 66 and Series 31.

24
Years in industry
0
Years at firm
5
Adviser firms
1
States registered

From the IAPD record, checked 22 October 2026SEC record

Career

Blair Martin has been Principal of Stonebridge Financial Group since December 2025, is a control person of the firm and directly owns 75% or more of it. Blair Martin holds a BA in International Business and French from the University of Oregon.

Stonebridge Financial Group, LLC is a San Rafael, CA firm with $896M under management, 951 clients and 12 advisers across 3 offices, as of its August 2026 filing.

Blair Martin is the Managing Partner of Stonebridge Financial Group and has more than two decades of experience in financial services. He began his career with American Express Financial Advisors and was recruited to Smith Barney (now Morgan Stanley) in 2004, where he advised business owners and executives on corporate retirement solutions and executive benefits. In 2009, he joined AXA, now Equitable, where he founded Stonebridge Financial Group.

Blair Martin’s longest registration was 16 years at Equitable Advisors, LLC (2009–2026). Before joining Stonebridge Financial Group in 2026, Blair Martin was registered through Equitable Advisors, LLC and Morgan Stanley Smith Barney LLC.

  1. – present · under a year
    San Rafael, CA · Adviser representative · Firm CRD 340200
  2. Equitable Advisors, LLC
    – · 16 years
    San Rafael, CA · Adviser representative · Firm CRD 6627
  3. Morgan Stanley Smith Barney LLC
    – · under a year
    San Rafael, CA · Adviser representative · Firm CRD 149777
  4. Citigroup Global Markets Inc.
    – · 5 years
    San Rafael, CA · Adviser representative · Firm CRD 7059
  5. American Express Financial Advisors, Inc.
    – · under a year
    San Francisco, CA · Adviser representative · Firm CRD 6363
  6. American Express Financial Advisors, Inc.
    – · under a year
    San Francisco, CA · Adviser representative · Firm CRD 6363

Credentials and registrations

Professional designations

Listed by Stonebridge Financial Group

  • Accredited Investment Fiduciary® (AIF®)

Investment adviser representative registrations

Blair Martin is registered as an investment adviser representative in California, since March 2026.

  • CaliforniaSince 2 March 2026

Examinations

SIECredited
Name
Securities Industry Essentials Examination
Series 3112 April 2007
Name
Futures Managed Funds Examination
Series 6615 February 2002
Name
Uniform Combined State Law Examination
Series 731 January 2002
Name
General Securities Representative Examination

Key facts

Full name
Blair Lawton Martin
CRD
4011810
Firm
Stonebridge Financial Group · CRD 340200
Role
Principal
Office
100 SMITH RANCH ROAD, SUITE 112, San Rafael, CA 94903
Registration
Investment adviser and broker registrations
In the industry since
June 2002
Disciplinary history
Not yet shown here · SEC record · BrokerCheck

Common questions

Where does Blair Martin work?

Blair Martin has been Principal of Stonebridge Financial Group, LLC since December 2025, and is a control person of the firm.

Source: Form ADV, Schedule A, filed 7 August 2026

Is Blair Martin a financial advisor?

Yes. Blair Martin has a current investment-adviser registration in California, through Stonebridge Financial Group since March 2026.

Source: IAPD individual record, checked 22 October 2026

How many years of experience does Blair Martin have?

Blair Martin has 24 years in the financial industry, since June 2002, across 5 adviser firms.

Source: IAPD individual record, checked 22 October 2026

What exams has Blair Martin passed?

Blair Martin has passed 3 licensing exams: the Series 7, Series 66 and Series 31. The earliest, the Series 7, was passed in January 2002. FINRA credited Blair Martin with the SIE, which began in October 2018.

Source: IAPD individual record, checked 22 October 2026

Where did Blair Martin work before Stonebridge Financial Group?

Before Stonebridge Financial Group, Blair Martin was registered through Morgan Stanley Smith Barney LLC, June 2009 to December 2009; Citigroup Global Markets Inc., February 2004 to June 2009; American Express Financial Advisors, Inc., February 2003 to January 2004; American Express Financial Advisors, Inc., February 2002 to October 2002.

Source: IAPD individual record, checked 22 October 2026

Where is Blair Martin based?

Blair Martin’s registered office is in San Rafael, CA.

Source: IAPD individual record, checked 22 October 2026

Is Blair Martin registered with FINRA?

Yes. Blair Martin has a current broker registration, under CRD 4011810.

Source: FINRA BrokerCheck

How can I verify Blair Martin’s record?

Search CRD 4011810 on the SEC’s adviser search (adviserinfo.sec.gov) and FINRA’s broker search (brokercheck.finra.org), which publish Blair Martin’s full registration record.

Source: IAPD individual record, checked 22 October 2026

Leadership at Stonebridge Financial Group

Sources

  1. IAPD individual record, CRD 4011810, checked 22 October 2026. Registration status, employment history and examinations.
  2. Form ADV Part 1A, Schedules A and B of Stonebridge Financial Group, LLC, filed 7 August 2026. Title, control and ownership bands.
  3. Stonebridge Financial Group team page. Biography, education, credentials, awards and the portrait, reproduced for identification.