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MAIN STREET RESEARCH LLC

LAKEVILLE, CT · CRD 114629 · IAPD ↗ · 860.435.2350

$2.68BRegulatory AUM
16Advisory reps
24Employees
0Clients
More than 500Planning clients
0Private funds
42States
0Disclosures
wealthSegment
ApprovedSEC status

Filing changes

66
April 2026 — MAIN STREET RESEARCH LLC reports More than 500 financial-planning clients, up from 101-250.
Financial-planning client bucket (Item 5H) moved up, e.g. 11-25 -> 26-50.
Financial planning software
49
April 2025 — MAIN STREET RESEARCH LLC notice-filed in AR, IN.
Notice-filed in new state(s): the firm is taking clients somewhere new.
ComplianceMarketing & brand
55
April 2025 — MAIN STREET RESEARCH LLC added office(s): 3 -> 4 additional locations.
Count of additional offices increased.
Office IT & facilitiesCRMRecruiting & transitions
66
April 2025 — MAIN STREET RESEARCH LLC reported RAUM up 31% ($1.82B -> $2.38B).
Regulatory AUM up >=25% since last filing.
Portfolio / reporting / TAMPCRMFinancial planning software
75
April 2025 — MAIN STREET RESEARCH LLC grew from 11 to 16 advisory reps.
Advisory representative count grew materially (>=20% or >=5 reps).
CRMRecruiting & transitionsComplianceFinancial planning software
50
December 2024 — MAIN STREET RESEARCH LLC moved its main office from SAUSALITO, CA to LAKEVILLE, CT.
Main office moved to a different city or state.
Office IT & facilitiesMarketing & brand
47
September 2024 — MAIN STREET RESEARCH LLC notice-filed in DC.
Notice-filed in new state(s): the firm is taking clients somewhere new.
ComplianceMarketing & brand

Data: SEC Form ADV monthly roster (public). Confirm on IAPD before acting.