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.

Compiled by PlainAdvisorCheck

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

Massachusetts at a glance

#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

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.

Large 4 firms (4%) Medium 11 firms (11%) Small 83 firms (85%)

Registered Firms

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.

Grade breakdown of 98 graded firms headquartered in Massachusetts

Firms by Disclosure Count

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

All Massachusetts Firms → All States →

Read our methodology - how this data is sourced, computed, and verified.

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.

Compiled by PlainAdvisorCheck, Independent data publisher