CRD #19406 · FINRA BrokerCheck + SEC IAPD

Sisk Investment Services, Inc.

According to FINRA BrokerCheck disclosure totals used on PlainAdvisorCheck graded firms, Sisk Investment Services, Inc. ranks #1,889 of 20,055 by disclosure count (most disclosures first). Sisk Investment Services, Inc. carries 4 BrokerCheck disclosures across 0 branch offices - heavy load for a single-office firm, earning a Grade C.

Grade C
Safety grade
0
branch offices
4
disclosures
#1,889 of 20,055
disclosure rank · graded

FINRA BrokerCheck disclosure docket

CRD record 19406 Sisk Investment Services, Inc.

Sisk Investment Services, Inc. · Grade C · 4 disc · 4.00/office · Single-office firm

  • CRD 19406
  • GRADE C
  • DISC 4
  • REG 4
  • ARB 0
  • CIV 0
  • BRANCH 0
  • PER-OFF n/a
  • RANK #1,889 of 20,055
  • BOOK Single-office firm

Nearest same-size peer: 1792 Securities, LLC (4.00 disc/office)

1792 Securities, LLC4.001ST Global Capital Corp.4.00A. CH. Securities, Inc.4.00Sisk Investment Ser… (this)4.00
Disclosures per office among single-office firm peers (lower is cleaner)

Sisk Investment Services, Inc. ranks #1,889 of 20,055 by disclosure count among graded broker-dealers; heavy load at 4.00 disclosures per office. Verify on FINRA BrokerCheck →

PlainAdvisorCheck rating 3/5 - 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

0 offices

FINRA: Small firm

Total disclosures

4 events

On FINRA BrokerCheck

Regulatory events

4 actions

100% of all disclosures

Disclosures per office

- per office

footprint not reported

Disclosure Breakdown

Disclosure Type Count
Regulatory Events 4
Arbitrations 0
Civil Events 0
Total 4

Counts for Sisk Investment Services, Inc. reflect events reported on FINRA BrokerCheck as of July 2026. Disclosures are reported events, not proven violations.

Disclosure category share

Regulatory 4 Arbitration 0 Civil 0

Firm Details

Firm Size
Small
Scope
INACTIVE
Formed
02/13/1987
State of Formation
Louisiana
CRD Number
19406
SEC Number
37426

Regulator-heavy mix

Sisk Investment Services, Inc. in the heavier-disclosure third

Sisk Investment Services, Inc. carries 4 BrokerCheck disclosures across 0 branch offices - a heavier-third raw book among graded firms (#1,889 of 20,055). Regulator-initiated events are 100% of the book (4 regulatory / 0 arbitration / 0 civil).

100% of Sisk Investment Services, Inc.'s 4 disclosures are regulator-initiated (4 events). Verify on FINRA BrokerCheck ↗ · how disclosures are interpreted.

Educational summary of Sisk Investment Services, Inc.'s disclosure book - not financial advice. Disclosures are reported events, not proven violations; consult a licensed advisor before decisions.

Source: FINRA BrokerCheck & SEC IAPD Public Disclosure Data

Frequently Asked Questions

Where does Sisk Investment Services, Inc. sit among graded broker-dealers by disclosure count?
According to FINRA BrokerCheck disclosure totals used on PlainAdvisorCheck graded firms, Sisk Investment Services, Inc. ranks #1,889 of 20,055 by disclosure count (most disclosures first). 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 C mean for Sisk Investment Services, Inc.?
A grade of C reflects Sisk Investment Services, Inc.'s disclosure intensity, its weighted disclosure load per branch office, ranked against other firms of a similar size (single-office firm). It carries 4 total disclosures across 0 branch offices. Review the specific disclosures on FINRA BrokerCheck before engaging.
How many FINRA disclosures does Sisk Investment Services, Inc. have?
Sisk Investment Services, Inc. has 4 total FINRA disclosures, including 4 regulatory events. Disclosures reflect reported events on FINRA BrokerCheck and do not necessarily indicate proven violations.
How big is Sisk Investment Services, Inc.?
Sisk Investment Services, Inc. operates 0 branch offices and is classified by FINRA as a small firm (Single-office 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 Sisk Investment Services, Inc.'s disciplinary record?
You can verify Sisk Investment Services, Inc.'s full disciplinary history on FINRA BrokerCheck at brokercheck.finra.org using CRD number 19406. BrokerCheck provides detailed information about individual registered representatives, complaints, and regulatory actions.
What is a FINRA disclosure?
A FINRA disclosure is a reported event on a broker-dealer's record, including regulatory actions, customer complaints, arbitration proceedings, and civil court events. Disclosures are part of the public record maintained by FINRA and do not necessarily indicate wrongdoing or proven violations.
Should I avoid Sisk Investment Services, Inc. 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. Sisk Investment Services, Inc. carries 4 disclosures across 0 branch offices (about 4.00 per office). Review the nature of individual disclosures on FINRA BrokerCheck before making a decision.

Read with this firm

  • 1792 Securities, LLC - 4.00 disclosures/office, nearest single-office firm peer to Sisk Investment Services, Inc.'s 4.00
  • 1ST Global Capital Corp. - 4.00 disclosures/office, nearest single-office firm peer to Sisk Investment Services, Inc.'s 4.00
  • A. CH. Securities, Inc. - 4.00 disclosures/office, nearest single-office firm peer to Sisk Investment Services, Inc.'s 4.00
  • Red Flags in Advisor Records - How to read Sisk Investment Services, Inc.'s heavy load disclosure profile without over-reading raw counts.
  • Reading BrokerCheck Reports - Parse the 4 disclosures behind Sisk Investment Services, Inc.'s Grade C.
  • Highest-Risk Firms - Grade D/F firms on the same size-normalized scale as Sisk Investment Services, Inc..
  • Compare firms - put Sisk Investment Services, Inc. next to peers on grade and footprint.
Retrieved and formatted by PlainAdvisorCheck from FINRA BrokerCheck public records.

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.