Main Street Research LLC

RIASEC RegisteredEst. 2000

Total AUM

$2.7B

Discretionary

$2.7B

100% of AUM

Avg account

$889K

Accounts

3,017

Employees

Advisory reps

Firm details

Headquarters: Lakeville, Connecticut
CRD number: 114629
Registered since: November 14, 2000
Website: www.ms-research.com
Custodians: CHARLES SCHWAB & CO., INC.
Fee structure: Percentage of AUM, Performance Based Fees
Client types: HNWI95.2%
Individuals2.53%
Charitable Organizations1.64%
Pension & Profit Sharing Plans0.63%
Services: Financial PlanningPortfolio Management for IndividualsPortfolio Management for Institutional ClientsEducational Seminars / Workshops

Firm profile

FINTRX

Overview

Main Street Research LLC is an independent, SEC-registered RIA formed in 2000 and structured as a limited liability company with individual ownership. The firm serves both individual/family and institutional clients, offering fee arrangements that combine a percentage of assets under management with the possibility of performance-based fees. Its advisory services span financial planning, portfolio management for individuals, small businesses and institutions, and educational seminars or workshops. The firm identifies as an active ESG investor and reports a preference for equity-oriented strategies. Main Street Research does not position itself as a capital allocator; instead it manages discretionary portfolios directly and supplements them with third-party fund relationships where appropriate. The firm has been recognized in industry rankings, appearing in the Financial Times Top 300 RIAs (2020), FA Magazine’s Top RIA Firms (2020), and multiple Forbes lists (2022, 2023, 2024).