AdFi
EI

Essex Investment Management Company, LLC

SEC Registered

Our investment philosophy is based on the early identification of growth, wherever growth exists.

Boston, MAhttps://essexinvest.com617-342-3200
Assets Under Management
$500M–$1B
Year Founded
1976
Employees
13
Office Locations
2 offices
Total Accounts
117

About the firm

Since its founding in 1976, Essex has remained firmly committed to a consistent investment philosophy based on the early identification of growth. The firm offers multiple growth-oriented investment strategies supported by a team of research analysts.

Firm Focus

Client segments reported on the firm's SEC Form ADV — applies to all advisors at the firm.

High Net WorthInvestment CompaniesPooled VehiclesPension/Profit Sharing

Areas of expertise

Growth InvestingSmall CapMicro CapSMIDGlobal Environmental OpportunitiesEquity Research

Services

Investment strategies including Small Growth, Micro Growth, SMID Growth, Global Environmental Opportunities, and Research.

Who they serve

Client segmentClientsAssets managed
Individuals (Non-HNW)35$78M
High Net Worth Individuals55$130M
Pension/Profit Sharing Plans2$69M
Charitable Organizations1$6.2M
State/Municipal Entities14

Leadership

Joseph Claudius Mcnay
CHAIRMAN & MANAGING MEMBER
Stephen D Cutler
PRESIDENT AND MANAGING MEMBER
Michael Stephen Mccarthy
CCO/COO/MANAGING MEMBER
Nancy Beth Prial
CO-CEO & MANAGING MEMBER
Robert Joseph Uek
CO-CEO & MANAGING MEMBER
Robert Joseph Uek
OWNER
Michael Stephen Mccarthy
OWNER
Martin Pierce Cournan
OWNER
Elizabeth Ferns Giroux
OWNER
Alexander Armour Forse
OWNER

Office locations

2 offices in 2 states
MA
BostonHQ
IL
Evanston

Regulatory & compliance

CRD number
#109962
SEC Number
801-55496
Disciplinary History
No
Fee Model & Minimums
Model: AUM
Minimum: $1,000,000 (waivable)

Data as of March 30, 2026 · Source: SEC IAPD & FINRA BrokerCheck

Contact Information

Editorial disclosure

This profile was compiled and published by AdvisorFinder as editorial content using publicly available information from the SEC's IAPD database and FINRA BrokerCheck. Essex Investment Management Company, LLC has not reviewed, approved, or endorsed this profile and is not responsible for its accuracy. Regulatory records change over time — always verify the current record directly on the SEC or FINRA websites before making any decision.

BrokerCheck data is used subject to the FINRA BrokerCheck Terms of Use. Found something inaccurate? Report inaccurate data and we will correct any error we introduced. Errors in the underlying BrokerCheck record itself are referred to FINRA, which maintains that record.

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