Firm profile

ESO MANAGEMENT SERVICES LLC

SAN MATEO, CACRD 165564Latest ADV March 26, 2026

Eso Management Services LLC is an SEC registered investment adviser organized as a limited liability company with a primary office location in San Mateo, CA. Its latest Form ADV filing, dated March 26, 2026, reports $411M in regulatory assets under management, 17 employees, 1 office, and 5 accounts.

Assets Under Management
$411M
Employees
17
Offices
1 office
Total Clients
5
Primary office
SAN MATEO, CA
635 MARINERS ISLAND, SUITE 204, SAN MATEO, CA, United States
ADV Item 1F location record

Contact and digital presence

ADV profile links

Leadership

2 roles identified
CCOJames M. Sousoulas
CFOJames M. Sousoulas

Advisory services offered

1 types reported
Portfolio management for pooled investment vehicles

Fee models offered

2 types reported
Asset based fees
Performance-based fees
Sources checked May 16, 2026

Client Coverage Demographics

Top client segmentPooled Investment Vehicles represent 100.0% of total clients.
Top client categories% of clientsClients
1
Pooled Investment Vehicles
100.0%
5

Regulatory Assets Under Management Breakdown

Total regulatory assets under management$411Mas of March 26, 2026
Discretionary100.0%
$411M
100% of total RAUM100.0%
Non-discretionary0.0%
$0
0% of total RAUM0.0%
All regulatory assets under management are discretionary.

Assets under management Growth by Quarter

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

Total AUM$411M
Total Accounts5
10Y AUM Change+$193M (+88.8%)

Employee Growth by Quarter

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

Total Employees17
Clients per Employee0:1
10Y Employee Change+5 (+41.7%)

* 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.