State BrokerCheck inventory · July 2026

Massachusetts broker-dealer grades

According to FINRA BrokerCheck as of July 2026, Massachusetts ranks #8 of 56 by registered-firm inventory (98) and #12 of 56 by aggregate disclosure load (280), then #17 of 33 on disclosures-per-firm and #13 of 33 on Grade-A share among states with at least 10 firms. Inventory rank is not intensity rank: Missouri leads disclosures-per-firm on that 33-state board.

#8
of 56 by firm inventory
98
registered firms
280
disclosures on file
2.9
avg disclosures / firm

Massachusetts at a glance

According to FINRA BrokerCheck as of July 2026, Massachusetts ranks #8 of 56 by registered-firm inventory (98) and #12 of 56 by aggregate disclosure load (280), then #17 of 33 on disclosures-per-firm and #13 of 33 on Grade-A share among states with at least 10 firms. Inventory rank is not intensity rank: Missouri leads disclosures-per-firm on that 33-state board.

#8 of 56
registered-firm inventory
#12 of 56
aggregate disclosure load
#17 of 33
disclosures per firm (≥10 firms)
#13 of 33
Grade-A share (≥10 firms)

Disclosure-load ordinal matches the /states listing. Missouri leads disclosures-per-firm; Maine leads Grade-A share among states with at least 10 firms. Neither rank is investment advice. See methodology · corpus placement.

Where Massachusetts sits by disclosures per firm

COUNT-derived placement among 33 states and territories with at least 10 graded firms. Lower intensity is cleaner for residents; large multistate HQs can lift a state's average without describing every local office.

Massachusetts vs every ≥10-firm state by disclosures per firm

Size-normalized disclosure intensity · FINRA BrokerCheck extract

3 a lower disclosures-per-firm load than 48% of 33 floor-qualified states

0–2: 10 floor-qualified states (30%). Below this entry. 2–4: 9 floor-qualified states (27%). This entry sits in this band. 4–6: 8 floor-qualified states (24%). Above this entry. 6–8: 1 floor-qualified states (3%). Above this entry. 8–10: 1 floor-qualified states (3%). Above this entry. 10–12: 0 floor-qualified states (0%). Above this entry. 12–14: 2 floor-qualified states (6%). Above this entry. 14–16: 0 floor-qualified states (0%). Above this entry. 16–18: 0 floor-qualified states (0%). Above this entry. 18–20: 1 floor-qualified states (3%). Above this entry. 20–22: 0 floor-qualified states (0%). Above this entry. 22–24: 0 floor-qualified states (0%). Above this entry. 24–26: 0 floor-qualified states (0%). Above this entry. 26–28: 0 floor-qualified states (0%). Above this entry. 28–30: 0 floor-qualified states (0%). Above this entry. 30–32: 0 floor-qualified states (0%). Above this entry. 32–34: 0 floor-qualified states (0%). Above this entry. 34–36: 1 floor-qualified states (3%). Above this entry. Massachusetts 0 36 every state with ≥10 graded firms, bucketed by value

Each bar is a band; taller bars hold more floor-qualified states. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.

Source FINRA BrokerCheck · SEC IAPD · July 2026

Firm-size mix among 98 graded firms

FINRA BrokerCheck size classes in Massachusetts. Segments sum to the graded inventory, a catalog shape, not the A-F grade ChartBar below.

98
Registered Firms
64
Clean Record (Grade A)
280
Total Disclosures
2.9
Avg Disclosures / Firm

Grade Distribution

How Massachusetts's 98 graded broker-dealers split across the size-normalized A-F safety scale.

A, clean (64)64 firmsB, low (29)29 firmsC, typical (4)4 firmsD, elevated (1)1 firmF, heaviest (0)0 firms
Grade breakdown of 98 graded firms headquartered in Massachusetts

Firms by Disclosure Count

# Firm DisclosuresOfficesGrade
1 National Financial Services LLC Boston 62 70 C
2 Commonwealth Financial Network Waltham 43 2,493 B
3 Moors & Cabot, Inc. Boston 34 38 B
4 MML Investors Services, LLC Springfield 28 3,871 B
5 Santander Securities LLC Boston 19 422 B
6 State Street Global Advisors Funds Distributors, LLC Boston 17 6 D
7 Bolton Global Capital Bolton 14 76 B
8 Boston Partners Securities, L.L.C. Boston 8 3 C
9 John Hancock Distributors LLC Boston 6 13 C
10 Leerink Partners LLC Boston 6 11 C
11 Nolan Securities Corp. Monterey 4 2 B
12 State Street Global Markets, LLC Boston 4 4 B
13 William O'neil Securities Boston 4 6 B
14 Garrett Nagle & Co., Inc. Woburn 3 3 B
15 MML Distributors, LLC Springfield 3 8 B
16 U. S. Boston Capital Corporation Lincoln 3 4 B
17 BHA Select Network, LLC Boston 2 2 B
18 Bolton Securities Corporation Bolton 2 151 B
19 Davinci Capital Management, Inc. Cambridge 2 7 B
20 John Hancock Investment Management Distributors LLC Boston 2 15 B
21 A.G. Quintal Investment Company Inc. New Bedford 1 2 B
22 AGC Partners Boston 1 5 B
23 Brookwood Securities Partners, LLC Beverly 1 2 B
24 BTS Securities Corporation Lincoln 1 3 B
25 Capstone Partners Boston 1 15 B
26 Columbia Management Investment Distributors, Inc. Boston 1 14 B
27 Compass Securities Corporation Braintree 1 8 B
28 Hoopoe Capital Markets, LLC Boston 1 2 B
29 MFS Fund Distributors, Inc. Boston 1 13 B
30 MML Strategic Distributors, LLC Springfield 1 9 B
31 N.E. Private Client, Ltd Attleboro 1 2 B
32 Sentinel Securities, LLC. Wakefield 1 3 B
33 Shields & Company, Inc. Waltham 1 2 B
34 SS&C Market Services, LLC Boston 1 6 B
35 Aeris Partners LLC Boston 0 3 A
36 Alantra, LLC Boston 0 3 A
37 Ascensus Broker Dealer Services, LLC Newton 0 5 A
38 Back BAY Life Science Advisory, LLC Boston 0 3 A
39 Bain Capital Markets, LLC Boston 0 5 A
40 Baystate Capital Services, Inc. Holyoke 0 2 A
41 Bellmark Partners, LLC Boston 0 3 A
42 BFC Capital LLC Quincy 0 2 A
43 BJC Capital Advisors LLC Manchester 0 2 A
44 Bluefin Research Partners, Inc. Boston 0 3 A
45 BML Securities LLC Marshfield 0 3 A
46 Bowen, Inc. Plymouth 0 3 A
47 Brattle Advisors LLC Boston 0 2 A
48 CBC Securities, Inc. Newton 0 1 A
49 CCA Capital LLC Boston 0 3 A
50 Charles River Brokerage, LLC Burlington 0 2 A

Dense registered-firm inventory

Massachusetts in the denser-inventory third

Massachusetts ranks #8 of 56 by BrokerCheck firm count (98 firms) - denser third of the board.

Massachusetts sits in the denser third by registered-firm inventory (#8 of 56, 98 firms) as of July 2026. Graded inventory: 64 A / 29 B / 4 C / 1 D / 0 F (65.3% clean, 1.0% D or F). Heaviest raw book in-state: National Financial Services LLC (62 disclosures across 70 offices).

Grades are editorial signals from a size-normalized model, not FINRA ratings. Disclosure totals are reported events, not proven violations - large multistate HQs in Massachusetts can lift statewide totals without describing every local office. This page is informational only and does not constitute financial, legal, or investment advice. Confirm current records at FINRA BrokerCheck.

Frequently asked questions

Where does Massachusetts sit among states by BrokerCheck disclosure load?
Massachusetts is in the heavier third by aggregate disclosure load (#12 of 56, 280 events) while inventory ranks #8 of 56. Aggregate load is not a judgment of regulators or any firm.
How many broker-dealer firms are registered in Massachusetts?
Massachusetts registers 98 BrokerCheck firms (#8 denser-third inventory). 64 (65.3%) hold a clean Grade-A record.
Which Massachusetts broker-dealer has the most FINRA disclosures?
National Financial Services LLC leads Massachusetts's listing with 62 BrokerCheck disclosures across 70 offices (Grade C). Totals are reported events, not proven violations - verify on FINRA BrokerCheck.
How should I read Massachusetts's safety grades?
On Massachusetts's heavier-load board, grades stay size-normalized (weighted disclosures ÷ branch footprint within size class). Zero-disclosure firms earn A. Editorial signals only - not FINRA ratings; see methodology.
Is this official Massachusetts broker data?
Yes. Massachusetts's firm rows come from FINRA BrokerCheck and SEC IAPD public registries. PlainAdvisorCheck aggregates and size-normalizes them; underlying records are public domain. This is not financial advice.
Data sourced from official FINRA BrokerCheck and SEC EDGAR enforcement records for Massachusetts. Massachusetts ranks #8 by firm inventory and #12 by disclosure load in the PlainAdvisorCheck extract as of July 2026.

Every figure on PlainAdvisorCheck is rendered directly from FINRA BrokerCheck and SEC IAPD disciplinary records, no number is typed in by an editor. This page draws directly on FINRA BrokerCheck and SEC IAPD data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of July 2026.