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Jeffrey Larson, portrait

Jeffrey Larson

Member/Iinvestment Advisor Representative/Chief Compliance Officer at 25 in Saint Louis, MO

Investment adviser registrationUpdated

Jeffrey Larson is Member/Iinvestment Advisor Representative/Chief Compliance Officer of 25, LLC, an investment adviser managing $545M, and works from its Saint Louis, MO office. Jeffrey Larson has been registered as an investment adviser representative through 25 since 31 March 2022, has 22 years in the industry across 5 firms and has passed the Series 7 and Series 66.

22
Years in industry
4
Years at firm
5
Adviser firms
2
States registered

From the IAPD record, checked 22 October 2026SEC record

Career

Jeffrey Larson has been Member/Iinvestment Advisor Representative/Chief Compliance Officer of 25 since March 2022, is a control person of the firm and directly owns between 25% and 50% of it.

25, LLC is a Saint Louis, MO firm with $545M under management, 505 clients and 8 advisers across 3 offices, as of its May 2026 filing.

Jeff Larson is a Partner and Financial Advisor at 25 Financial. He works with physicians and high-net-worth individuals and families on comprehensive wealth planning and access to specialized alternative investments, and takes a hands-on approach to investment due diligence, regularly traveling to meet the executive teams responsible for managing the investments he recommends.

Jeffrey Larson’s longest registration was 10 years at Larson Financial Group, LLC (2007–2017). Before joining 25 in 2022, Jeffrey Larson was registered through Arete Wealth Advisors, LLC and Larson Financial Group, LLC.

  1. – present · 4 years
    Saint Louis, MO · Adviser representative · Firm CRD 317916
  2. Arete Wealth Advisors, LLC
    – · 6 years
    St. Louis, MO · Adviser representative · Firm CRD 145488
  3. Larson Financial Group, LLC
    – · 10 years
    Saint Louis, MO · Adviser representative · Firm CRD 140599
  4. Financial Network Investment Corporation
    – · 4 years
    Minneapolis, MN · Adviser representative · Firm CRD 13572
  5. Marathon Advisors, Inc
    – · under a year
    Minneapolis, MN · Adviser representative · Firm CRD 113696

Credentials and registrations

Investment adviser representative registrations

Jeffrey Larson is registered as an investment adviser representative in 2 states, as a resident of Texas. The first approvals date from March 2022; the most recent is Missouri, in June 2022.

  • MissouriSince 22 June 2022
  • TexasResidentSince 31 March 2022

Examinations

SIECredited
Name
Securities Industry Essentials Examination
Series 6616 December 2004
Name
Uniform Combined State Law Examination
Series 716 October 2004
Name
General Securities Representative Examination

Key facts

Full name
Jeffrey Scott Larson
CRD
4836889
Firm
25 · CRD 317916
Role
Member/Iinvestment Advisor Representative/Chief Compliance Officer
Office
135 WEST ADAMS AVENUE, Saint Louis, MO 63122
Registration
Investment adviser registration
In the industry since
October 2004
Disciplinary history
Not yet shown here · SEC record

Common questions

Where does Jeffrey Larson work?

Jeffrey Larson has been Member/Iinvestment Advisor Representative/Chief Compliance Officer of 25, LLC since March 2022, and is a control person of the firm.

Source: Form ADV, Schedule A, filed 19 May 2026

Is Jeffrey Larson a financial advisor?

Yes. Jeffrey Larson has a current investment-adviser registration in Missouri and Texas, through 25 since March 2022.

Source: IAPD individual record, checked 22 October 2026

How many years of experience does Jeffrey Larson have?

Jeffrey Larson has 22 years in the financial industry, since October 2004, across 5 adviser firms.

Source: IAPD individual record, checked 22 October 2026

What exams has Jeffrey Larson passed?

Jeffrey Larson has passed 2 licensing exams: the Series 7 and Series 66. The earliest, the Series 7, was passed in October 2004. FINRA credited Jeffrey Larson with the SIE, which began in October 2018.

Source: IAPD individual record, checked 22 October 2026

Where did Jeffrey Larson work before 25?

Before 25, Jeffrey Larson was registered through Larson Financial Group, LLC, July 2007 to August 2017; Financial Network Investment Corporation, June 2006 to July 2010; Marathon Advisors, Inc, July 2005 to June 2006.

Source: IAPD individual record, checked 22 October 2026

Where is Jeffrey Larson based?

Jeffrey Larson’s registered office is in Saint Louis, MO.

Source: IAPD individual record, checked 22 October 2026

Is Jeffrey Larson registered with FINRA?

No. Jeffrey Larson has no current broker registration.

Source: IAPD individual record, checked 22 October 2026

How can I verify Jeffrey Larson’s record?

Search CRD 4836889 on the SEC’s adviser search (adviserinfo.sec.gov), which publishes Jeffrey Larson’s full registration record.

Source: IAPD individual record, checked 22 October 2026

Leadership at 25

Sources

  1. IAPD individual record, CRD 4836889, checked 22 October 2026. Registration status, employment history and examinations.
  2. Form ADV Part 1A, Schedules A and B of 25, LLC, filed 19 May 2026. Title, control and ownership bands.
  3. 25 team page. Biography, education, credentials, awards and the portrait, reproduced for identification.