Firm profile

ESSEX LLC

DEER PARK, ILCRD 108352Latest ADV January 29, 2026

Essex LLC is an SEC registered investment adviser organized as a limited liability company with a primary office location in Deer Park, IL. Its latest Form ADV filing, dated January 29, 2026, reports $649M in regulatory assets under management, 9 employees, 2 offices, and 2,294 accounts.

Assets Under Management
$649M
Employees
9
Offices
2 offices
Total Clients
608
Primary office
DEER PARK, IL
21805 FIELD PARKWAY, SUITE 340, DEER PARK, IL, United States
ADV Item 1F location record

Contact and digital presence

ADV profile links

Leadership

3 roles identified
CEOJames W. Hartwell
CCORobert C. Tutela
COOBenjamin A. Cairns

Advisory services offered

2 types reported
Financial Planning Services
Portfolio management for individuals and small businesses

Fee models offered

3 types reported
Asset based fees
Fixed fees
Hourly charges
Sources checked May 13, 2026

Client Coverage Demographics

Top client segmentIndividuals represent 68.1% of total clients.
Top client categories% of clientsClients
1
Individuals
68.1%
414
2
HNWI
26.6%
162
3
Pension Plans
5.1%
31
4
Charitable
0.2%
1

Regulatory Assets Under Management Breakdown

Total regulatory assets under management$649Mas of January 29, 2026
Discretionary95.3%
$619M
95% of total RAUM95.3%
Non-discretionary4.7%
$30M
5% of total RAUM4.7%
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$649M
Total Accounts2,294
10Y AUM Change+$394M (+154.5%)

Employee Growth by Quarter

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

Total Employees9
Clients per Employee68:1
10Y Employee Change+2 (+28.6%)

* 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.