Firm profile

WESTCO ADVISORY SERVICES, INC.

LYNBROOK, NYCRD 120755Latest ADV February 12, 2026

Westco Advisory Services, Inc. is an SEC registered investment adviser organized as a corporation with a primary office location in Lynbrook, NY. Its latest Form ADV filing, dated February 12, 2026, reports $254M in regulatory assets under management, 6 employees, and 324 accounts.

Assets Under Management
$254M
Employees
6
Offices
--
Total Clients
324
Primary office
LYNBROOK, NY
77 HEMPSTEAD AVE, LYNBROOK, NY, United States
ADV Item 1F location record

Contact and digital presence

ADV profile links

Leadership

4 roles identified
CEOAddison J. Drummond
CCOAddison J. Drummond
CFOKathryn W. Domack

Advisory services offered

3 types reported
Financial Planning Services
Portfolio management for individuals and small businesses
Selection of other advisers

Fee models offered

3 types reported
Asset based fees
Fixed fees
Hourly charges
Sources checked May 15, 2026

Client Coverage Demographics

Top client segmentIndividuals represent 75.9% of total clients.
Top client categories% of clientsClients
1
Individuals
75.9%
246
2
HNWI
23.8%
77
3
Pension Plans
0.3%
1
Categories with <5 clients
Pension and profit sharing plans<5 clients

Regulatory Assets Under Management Breakdown

Total regulatory assets under management$254Mas of February 12, 2026
Discretionary99.4%
$253M
99% of total RAUM99.4%
Non-discretionary0.6%
$1M
1% of total RAUM0.6%
Regulatory assets under management are split between discretionary and non-discretionary assets.

Assets under management Growth by Quarter

Quarterly points use the latest ADV filing or SEC roster snapshot available in each quarter.

Latest AUM$254M
Total Accounts324
10Y AUM Change+$150M (+145.1%)

Employee Growth by Quarter

Quarterly points use the latest ADV filing or SEC roster snapshot available in each quarter.

Total Employees6
Clients per Employee54:1
10Y Employee Change+1 (+20.0%)

* Metrics are based on the latest available data, including Form ADV filings, brochures, and relationship summaries pulled from the SEC IAPD, and may be subject to change. Learn what is included in the Rialytix data. Please refer to the firm's official disclosures for the most accurate information using their CRD number. This is not investment advice.