CRD #41791 · FINRA BrokerCheck + SEC IAPD

Santander Securities LLC

According to FINRA BrokerCheck disclosure totals used on PlainAdvisorCheck graded firms, Santander Securities LLC ranks #332 of 20,055 by disclosure count (most disclosures first). Among firms registered in MA, it ranks #5 of 98 on the same disclosure sort used on the state browse page. Santander Securities LLC carries 19 BrokerCheck disclosures across 422 branch offices - light load for a large firm, earning a Grade B.

Verify on FINRA BrokerCheck → Browse all firms
Grade B
Safety grade
422
branch offices
19
disclosures
#332 of 20,055
disclosure rank · graded

FINRA BrokerCheck disclosure docket

CRD record 41791 Santander Securities LLC

Santander Securities LLC · Grade B · 19 disc · 0.05/office · Large firm

  • CRD 41791
  • GRADE B
  • DISC 19
  • REG 12
  • ARB 7
  • CIV 0
  • BRANCH 422
  • PER-OFF 0.05
  • RANK #332 of 20,055
  • BOOK Large firm

Intensity peers

Nearest same-size peer: World Investments, LLC (0.04 disc/office)

World Investments, LLC0.04Valic Financial Advisor…0.04Kovack Securities Inc.0.04Santander Securitie… (this)0.05
Disclosures per office among large firm peers (lower is cleaner)

Santander Securities LLC ranks #332 of 20,055 by disclosure count among graded broker-dealers; light load at 0.05 disclosures per office. Verify on FINRA BrokerCheck →

PlainAdvisorCheck rating 4/5 - an editorial, size-normalized signal, not a regulatory determination. Always verify the underlying record on FINRA BrokerCheck before engaging an advisor.

Data updated July 2026

Branch offices

422 offices

FINRA: Medium firm

Total disclosures

19 events

On FINRA BrokerCheck

Regulatory events

12 actions

63% of all disclosures

Disclosures per office

0.05 per office

19 ÷ 422 offices

Santander Securities LLC vs. every disclosing firm

Disclosures per branch office, the size-normalized signal behind the grade (lower is cleaner)

0 Among the cleanest for its size a cleaner per-office record than 92% of 1,251 disclosing firms

0–0: 314 disclosing firms (25%). This entry sits in this band. 0–1: 159 disclosing firms (13%). Above this entry. 1–1: 301 disclosing firms (24%). Above this entry. 1–1: 40 disclosing firms (3%). Above this entry. 1–1: 140 disclosing firms (11%). Above this entry. 1–2: 32 disclosing firms (3%). Above this entry. 2–2: 65 disclosing firms (5%). Above this entry. 2–2: 9 disclosing firms (1%). Above this entry. 2–2: 72 disclosing firms (6%). Above this entry. 2–3: 14 disclosing firms (1%). Above this entry. 3–3: 24 disclosing firms (2%). Above this entry. 3–3: 6 disclosing firms (0%). Above this entry. 3–3: 32 disclosing firms (3%). Above this entry. 3–4: 5 disclosing firms (0%). Above this entry. 4–4: 10 disclosing firms (1%). Above this entry. 4–4: 3 disclosing firms (0%). Above this entry. 4–4: 9 disclosing firms (1%). Above this entry. 4–5: 3 disclosing firms (0%). Above this entry. 5–5: 11 disclosing firms (1%). Above this entry. 5–5: 2 disclosing firms (0%). Above this entry. This firm 0 5 every disclosing firm, by disclosures per office, bucketed by value

Each bar is a band; taller bars hold more disclosing firms. 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 · 2026

Disclosure Breakdown

Disclosure Type Count
Regulatory Events 12
Arbitrations 7
Civil Events 0
Total 19

Counts for Santander Securities LLC reflect events reported on FINRA BrokerCheck as of July 2026. Disclosures are reported events, not proven violations.

Disclosure category share

Regulatory 12 Arbitration 7 Civil 0

Firm Details

Firm Size
Medium
Scope
ACTIVE
Location
Boston, MA, 02109
Formed
01/03/2023
State of Formation
Delaware
CRD Number
41791
SEC Number
49571

Lower disclosures per office

Santander Securities LLC in the heavier-disclosure third

Santander Securities LLC carries 19 BrokerCheck disclosures across 422 branch offices - a heavier-third raw book among graded firms (#332 of 20,055). Regulator-initiated events are 63% of the book (12 regulatory / 7 arbitration / 0 civil).

Santander Securities LLC runs 0.05 disclosures per branch office (cleaner than 92% of disclosing multi-office firms). Verify on FINRA BrokerCheck ↗ · how disclosures are interpreted.

Educational summary of Santander Securities LLC's disclosure book - not financial advice. Disclosures are reported events, not proven violations; consult a licensed advisor before decisions.

Massachusetts cohort · 6.65× state average

Santander Securities LLC sits above the Massachusetts disclosure average

Santander Securities LLC reports 19 BrokerCheck disclosures, 6.65× the Massachusetts average of 2.9 across 98 graded firms with a principal-office state on file.

In Massachusetts, 64 firms carry Grade A and 0 carry Grade F on the same size-normalized scale.

Average uses graded firms with a principal-office state on file, not a full 50-state census. Open the Massachusetts state book →

Source: FINRA BrokerCheck & SEC IAPD Public Disclosure Data

Frequently Asked Questions

Where does Santander Securities LLC sit among graded broker-dealers by disclosure count?
According to FINRA BrokerCheck disclosure totals used on PlainAdvisorCheck graded firms, Santander Securities LLC ranks #332 of 20,055 by disclosure count (most disclosures first). Among firms registered in MA, it ranks #5 of 98 on the same disclosure sort used on the state browse page. Ordinals match the disclosure-first sort documented on our methodology corpus-placement section. A high disclosure rank is not automatically a finding of wrongdoing; larger firms accumulate more reported events. Always review the underlying FINRA BrokerCheck detail before engaging.
What does a grade of B mean for Santander Securities LLC?
A grade of B reflects Santander Securities LLC's disclosure intensity, its weighted disclosure load per branch office, ranked against other firms of a similar size (large firm). It carries 19 total disclosures across 422 branch offices. Review the specific disclosures on FINRA BrokerCheck before engaging.
How many FINRA disclosures does Santander Securities LLC have?
Santander Securities LLC has 19 total FINRA disclosures, including 12 regulatory events, 7 arbitrations. Disclosures reflect reported events on FINRA BrokerCheck and do not necessarily indicate proven violations.
How big is Santander Securities LLC?
Santander Securities LLC operates 422 branch offices and is classified by FINRA as a medium firm, registered in MA (Large firm). FINRA BrokerCheck publishes branch-office counts but not a firmwide registered-representative headcount, so PlainAdvisorCheck measures firm size by branch footprint.
Where can I verify Santander Securities LLC's disciplinary record?
You can verify Santander Securities LLC's full disciplinary history on FINRA BrokerCheck at brokercheck.finra.org using CRD number 41791. BrokerCheck provides detailed information about individual registered representatives, complaints, and regulatory actions.
What is a FINRA disclosure?
A FINRA disclosure is a reported event (regulatory, arbitration, or civil). Santander Securities LLC's 19 events mean reading the underlying BrokerCheck detail matters more than the raw count alone.
Should I avoid Santander Securities LLC because of its disclosures?
Not necessarily. Larger firms accumulate more disclosures simply because they operate more offices, so PlainAdvisorCheck grades each firm against same-size peers rather than on raw counts. Santander Securities LLC carries 19 disclosures across 422 branch offices (about 0.05 per office). Review the nature of individual disclosures on FINRA BrokerCheck before making a decision.

Nationwide peers by disclosures or branches

Two PlainAdvisorCheck-derived peer sets for Santander Securities LLC, both outside MA so the neighborhoods are not state containment (the same-size intensity list below stays size-tier local).

Read with this firm

Read our methodology - heavier-disclosure firms: how raw counts and per-office intensity are graded.

Retrieved and formatted by PlainAdvisorCheck from FINRA BrokerCheck public records.