According to FINRA BrokerCheck disclosure totals used on PlainAdvisorCheck graded firms, American Trust Investment Services, Inc. ranks #1,112 of 20,055 by disclosure count (most disclosures first). Among firms registered in CA, it ranks #12 of 279 on the same disclosure sort used on the state browse page. American Trust Investment Services, Inc. carries 6 BrokerCheck disclosures across 9 branch offices - moderate load for a small firm, earning a Grade B.
Disclosures per office among small firm peers (lower is cleaner)
American Trust Investment Services, Inc. ranks #1,112 of 20,055 by disclosure count among graded broker-dealers; moderate load at 0.67 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
9offices
FINRA: Small firm
Total disclosures
6events
On FINRA BrokerCheck
Regulatory events
5actions
83% of all disclosures
Disclosures per office
0.67per office
6 ÷ 9 offices
American Trust Investment Services, Inc. vs. every disclosing firm
Disclosures per branch office, the size-normalized signal behind the grade (lower is cleaner)
1a cleaner per-office record than 38% of 1,251 disclosing firms
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
% of Disclosures
Regulatory Events
5
83.3%
Arbitrations
1
16.7%
Civil Events
0
0.0%
Total
6
100.0%
Counts for American Trust Investment Services, Inc. reflect events reported on FINRA BrokerCheck as of July 2026. Disclosures are reported events, not proven violations.
Disclosure category share
Regulatory 5Arbitration 1Civil 0
Firm Details
Firm Size
Small
Scope
ACTIVE
Location
San Clemente, CA
CRD Number
3001
Regulator-heavy mix
American Trust Investment Services, Inc. in the heavier-disclosure third
American Trust Investment Services, Inc. carries 6 BrokerCheck disclosures across 9 branch offices - a heavier-third raw book among graded firms (#1,112 of 20,055). Regulator-initiated events are 83% of the book (5 regulatory / 1 arbitration / 0 civil).
Educational summary of American Trust Investment Services, Inc.'s disclosure book - not financial advice. Disclosures are reported events, not proven violations; consult a licensed advisor before decisions.
California cohort · 2.93× state average
American Trust Investment Services, Inc. sits above the California disclosure average
American Trust Investment Services, Inc. reports 6 BrokerCheck disclosures, 2.93× the California average of 2.1 across 279 graded firms with a principal-office state on file.
In California, 189 firms carry Grade A and 0 carry Grade F on the same size-normalized scale.
Source: FINRA BrokerCheck & SEC IAPD Public Disclosure Data
Frequently Asked Questions
Where does American Trust Investment Services, Inc. sit among graded broker-dealers by disclosure count?
According to FINRA BrokerCheck disclosure totals used on PlainAdvisorCheck graded firms, American Trust Investment Services, Inc. ranks #1,112 of 20,055 by disclosure count (most disclosures first). Among firms registered in CA, it ranks #12 of 279 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 American Trust Investment Services, Inc.?
A grade of B reflects American Trust Investment Services, Inc.'s disclosure intensity, its weighted disclosure load per branch office, ranked against other firms of a similar size (small firm). It carries 6 total disclosures across 9 branch offices. Review the specific disclosures on FINRA BrokerCheck before engaging.
How many FINRA disclosures does American Trust Investment Services, Inc. have?
American Trust Investment Services, Inc. has 6 total FINRA disclosures, including 5 regulatory events, 1 arbitration. Disclosures reflect reported events on FINRA BrokerCheck and do not necessarily indicate proven violations.
How big is American Trust Investment Services, Inc.?
American Trust Investment Services, Inc. operates 9 branch offices and is classified by FINRA as a small firm, registered in CA (Small 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 American Trust Investment Services, Inc.'s disciplinary record?
You can verify American Trust Investment Services, Inc.'s full disciplinary history on FINRA BrokerCheck at brokercheck.finra.org using CRD number 3001. 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). American Trust Investment Services, Inc.'s 6 events mean reading the underlying BrokerCheck detail matters more than the raw count alone.
Should I avoid American Trust 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. American Trust Investment Services, Inc. carries 6 disclosures across 9 branch offices (about 0.67 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 American Trust Investment Services, Inc., both outside CA so the neighborhoods are not state containment (the same-size intensity list below stays size-tier local).
Similar disclosure totals
Nearest cross-state graded firms by BrokerCheck disclosure count (6 here).
Firms in CA - state roster that includes American Trust Investment Services, Inc.'s registration home.
How to Vet a Financial Advisor - Due diligence checklist when reviewing a Grade B firm like American Trust Investment Services, Inc..
Reading BrokerCheck Reports - How American Trust Investment Services, Inc.'s 0.67 disclosures-per-office figure is derived.
Most Disclosures - Raw disclosure-volume leaders for context next to American Trust Investment Services, Inc..
Compare firms - put American Trust Investment Services, Inc. next to peers on grade and footprint.
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.
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.