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For asset managers

State-registered wealth management firm Broker-dealer affiliated

Maine Securities Corporation

As of its Form ADV filed June 11, 2025, Maine Securities Corporation, a state-registered, broker-dealer affiliated wealth management firm in Portland, Maine, reported $25.7 million in regulatory assets under management across 26 accounts, ranking #55 among all wealth firms in Maine by assets.

Registration

Main office
Portland, ME
Registration
State-registered, Approved
CRD number
16976
SEC file number
None (state-registered)
Registered since
January 24, 1997
Latest Form ADV filing
June 11, 2025
Organized as
Corporation
Fiscal year ends
December
Other offices
0

Key figures

Regulatory assets under management
$25.7 million
Discretionary
$25.7 million (100.0%)
Non-discretionary
$0
Accounts
26 (26 discretionary)
Clients
53, approximate as reported
Employees
1
Advisory staff
1 performing investment advisory functions
Average account
$986,799
Asset growth, 1 year
Not reported
Asset growth, 3-year annual rate
Not reported
Asset growth, 5-year annual rate
Not reported
Client growth, 1 year
Not reported

Broker-dealer affiliated. The firm is itself a broker-dealer as well as an investment adviser (Form ADV Item 6.A(1)). It is ranked among all wealth firms, the directory's view that includes wirehouses and broker-dealer firms, not in the main lists of independent RIAs. How firms are classed.

Growth rates come from the SEC's yearly snapshots and are left blank when the years are not comparable.

Rankings

Among all wealth firms, including wirehouses and broker-dealer firms.

Assets over time

Maine Securities Corporation: regulatory assets under managementThe SEC's yearly snapshots and the latest filing. Years of state registration are not in the SEC files.RAUM the firm reported as of October 7, 2026; no earlier snapshot is on file.
$0$10M$20M$30M2026$25.7MOctober 7, 2026: $25.7 million
Data table
Maine Securities Corporation: regulatory assets under management
As ofRAUM
October 7, 2026$25.7 million

Clients and services

Client mix

Regulatory assets by client typeForm ADV Item 5.D, as reported. Client counts are approximate.
MeasureBarRAUM
High net worth individuals fewer than 5 clients $13.2 million
Individuals (other than high net worth) 20 clients $11.3 million
Corporations or other businesses 2 clients $614,846
Charitable organizations fewer than 5 clients $581,238

How the firm is paid

  • A percentage of assets under management
  • Fixed fees
  • Commissions

Advisory services

  • Financial planning
  • Portfolio management for individuals or small businesses
  • Portfolio management for businesses or institutional clients
  • Market timing services
  • Educational seminars or workshops

Financial planning clients (Item 5.H): 1-10.

Wrap fee program sponsor or portfolio manager: no.

Other business, affiliations and custody

Other business activities (Item 6.A)

  • Broker-dealer
  • Registered representative of a broker-dealer
  • Insurance broker or agent

Financial industry affiliations (Item 7.A)

  • Broker-dealer
  • Other investment adviser
  • Insurance company or agency
  • Sponsor or syndicator of limited partnerships

Custody (Item 9)

The firm reported no custody of client cash or securities.

Investment adviser representatives

IARs registered with the firm
1
Also registered through a broker-dealer
1
Employees who are IARs (Form ADV 5.B(3))
1

0 of the firm's 1 IAR are registered in jurisdictions that require IAR CE. IAR CE requirements by state.

Counts only. AdvisorIQ does not list individual people.

Disclosures

Our source has no Form ADV Item 11 detail for this firm. See the detail on IAPD.

Succession and acquired firms

On Form ADV Item 4 the firm did not report succeeding to another adviser's business.

Succession and M&A for advisors

Similar-sized firms in Maine

The five wealth firms, broker-dealer affiliated firms included, nearest in regulatory assets with a main office in the same state.

Firm data as of October 7, 2026, from IA_FIRM_STATE_Feed_10_07_2026.xml.gz. Figures are as the firm reported them; corrections are made on Form ADV and appear after the next monthly reload.

Data as of October 7, 2026, from Form ADV. Sources: SEC registered adviser data (ia100226.zip) and IAPD compilation reports. How the directory is built.