Main Street Advisors

Public-record details

Address

3110 Main Street, Suite 310, Santa Monica, CA 90405

Phone

(310) 778-2200

Listed under

% of assets managed

Legal name

Msa Advisors, LLC

CRD number

305170

Registration

SEC registered since 2019-08-22

Compensation (Form ADV 5.E)

Percentage of assets under management; Performance-based fees

Commissions

None reported (Form ADV Item 5.E)

Services (Form ADV 5.G)

Portfolio management for individuals/small businesses; Selection of other advisers

Regulatory assets under management

$9.6 billion

Accounts managed

125

Clients reported (Form ADV 5.D)

74

Individual / high-net-worth clients

0 / 68

Employees

34

Other business activities (Form ADV 6.A)

None reported

Disclosures reported on Form ADV

None reported

Latest Form ADV filing

2026-03-27

SEC registered investment adviser, CRD 305170, per the SEC IAPD compilation report of 2026-09-29. Source: SEC Investment Adviser Public Disclosure (IAPD) (record). Data as of 2026-09-30.

Read the official record

• SEC IAPD summary for CRD 305170 — registration, Form ADV, the Part 2 brochure (fees, conflicts, minimums).
• FINRA BrokerCheck — look up the individual advisers at this firm.
• Firm website (as listed on Form ADV)

Figures are what the firm reported on Form ADV Part 1A. “No commissions reported” means the firm did not check commissions as a form of compensation in Item 5.E; check Item 6.A activities and the Part 2 brochure for other conflicts. We do not rate or rank advisers.