Insurer profile · Allstate · NAIC + CMS

Allstate Insurance

Allstate Insurance's complaint record, claim-denial rate and reputation grade, drawn from published NAIC complaint data and CMS Transparency in Coverage.

C
Reputation grade
1.21
Complaint index
49
States active

The verdict

Allstate Insurance earns a C reputation grade - a record near the industry median, according to the NAIC's published complaint index, its ratio runs 1.21, above the 1.0 market average.

C
reputation grade
1.21
NAIC complaint index

Grades are peer-relative within PlainInsurer's dataset. A high complaint ratio is not proof of wrongdoing, larger insurers draw more complaints by volume, which the index normalises.

Reputation grade

C

Peer-relative, A–F

NAIC complaint index

1.21

1.0 = market average; lower is better

Est. complaint volume

~7,240

across 49 states, index-derived

Reputation grade C (composite score 51.6) - A=Excellent, F=Failing. Based on NAIC complaint ratios and CMS denial data.

CCC
Reputation grade C (composite score 51.6) - A=Excellent, F=Failing. Based on NAIC complaint ratios and CMS denial data.
How we calculated this grade →

Where Allstate Insurance sits on complaints

NAIC complaint index vs the market average and the dataset range (1.0 = market average; lower is better)

complaint index

What this shows Allstate Insurance's complaint index of 1.21 is 21% above the 1.0 market average for a carrier of its size.

Source NAIC published complaint index (2024) As of 2024

Allstate Insurance vs. the full rated-insurer dataset

Complaint index across all rated insurers, bucketed (100% = market average)

121% 42nd percentile more affordable than 42% of 72 rated insurers

Allstate Insurance 0% 425% all rated insurers, bucketed by value

Each bar is a band; taller bars hold more rated insurers. 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 NAIC published complaint index (2024) · 2024

Scale vs. complaint-adjusted score

Each point is a rated insurer, placed by raw complaint count and its size-normalized composite score (lower is better). Complaint counts rise with scale on their own, this shows whether Allstate Insurance's score tracks its volume or beats it.

NAIC complaint counts and PlainInsurer composite scores (2024), 72 rated insurers

NAIC complaint counts and PlainInsurer composite scores (2024), 72 rated insurers 2×2 strategic matrix plotting 30 entities by Total complaints → (X) and Composite score (higher = more friction) → (Y), with a crosshair dividing the plot into four quadrants. Large, high frictionSmall, high frictionLarge, low frictionSmall, low friction 02,0004,0006,0008,00010,000 020406080100 Total complaints → Composite score (higher = more friction) →
NAIC complaint counts and PlainInsurer composite scores (2024), 72 rated insurers

Complaint record by line of business

Line Est. complaints Complaint index States active
Auto Insurance ~7,240 1.21 49

What the data shows for Allstate Insurance

According to PlainInsurer's dataset, Allstate Insurance has a lower (better) NAIC complaint index than 42% of the 72 rated insurers it tracks and ranks #9 of 21 carriers by complaint ratio in Auto Insurance.

Allstate Insurance, part of Allstate, carries a C reputation grade in PlainInsurer's dataset, with a composite score of 51.6 (higher means more consumer friction relative to size). Its NAIC complaint index of 1.21 sits above the 1.0 market average, meaning policyholders escalate more disputes to regulators than is typical for a carrier of its premium volume.

Allstate Insurance does not appear in the CMS marketplace claim-denial file, which covers individual-market health issuers, common for auto, home and life carriers. The carrier reports activity across 1 line of business.

In short: complaint and denial data show how Allstate Insurance compares to peers, not what your own claim experience will be. Weigh price, coverage terms and state licensing before any purchase. Source: NAIC Consumer Information Source complaint data (2024). Reputation grade computed by PlainInsurer from public NAIC data, see methodology.

Separately from PlainInsurer's own complaint-based grade, Allstate Insurance carries an A.M. Best Financial Strength Rating of A+ (Superior) as of August 2025, a measure of the insurer's ability to pay claims, not a complaint or service-quality score. Source: AM Best.

Use this data wisely. Complaint and denial figures reflect regulatory filings, not individual claim outcomes. A high complaint ratio is not proof of illegal behaviour. This page is informational and is not financial, legal, or insurance advice, verify coverage decisions with your insurer or a licensed agent.

Other C-graded carriers in PlainInsurer's dataset include Liberty Mutual and Aetna (CVS Health), and the closest overall composite score to Allstate Insurance's 51.6 belongs to Blue Cross and Blue Shield of Nebraska (51.4).

Allstate Insurance is part of the Allstate family, alongside Esurance (Allstate), Direct General (Allstate), and Allstate Property in PlainInsurer's dataset -- a shared parent doesn't mean shared performance, so check each subsidiary's own record before assuming they behave alike.

Other C-graded insurers

Carriers with the same peer-relative reputation grade

Insurer Grade
Liberty Mutual C
Aetna (CVS Health) C
Allstate Property C
AIG Homeowners C
Transamerica Life C

Closest composite score to Allstate Insurance

Carriers with the nearest overall composite score (51.6)

Insurer Composite score
Blue Cross and Blue Shield of Nebraska 51.4
Blue Care Network of Michigan 52.0
McLaren Health Plan Community 50.8
Community Health Choice, Inc. 52.5

Frequently asked questions

What does Allstate Insurance's grade mean?
Allstate Insurance received a grade of C, indicating a record near the industry median. PlainInsurer grades insurers on a curve relative to the ~200 carriers in our dataset, using the NAIC complaint index (normalized by premium volume) and Medicare Advantage prior-authorization data where available.
How many complaints does Allstate Insurance have?
PlainInsurer estimates Allstate Insurance's complaint volume at roughly 7,240 across 49 states, derived from its published NAIC complaint index and market footprint (NAIC does not release exact per-company complaint counts via public bulk data). Raw counts favour smaller insurers, PlainInsurer uses the complaint index itself (complaints relative to premium volume, where 1.0 is the market average) to compare carriers fairly.
How do I file a complaint against Allstate Insurance?
Contact your state's Department of Insurance, most accept complaints online, by phone, or by mail. The NAIC also runs a central portal at naic.org. Document your policy number, claim number, dates, and the issue before filing.
Is Allstate Insurance a good insurance company?
It depends on your coverage needs, state, and budget. PlainInsurer's C grade reflects a record near the industry median relative to peers. Always compare quotes from multiple carriers and check complaint data for your specific state and line of coverage.
What types of insurance does Allstate Insurance offer?
Based on NAIC filing data, Allstate Insurance reports activity in 1 line of business: Auto Insurance. Availability varies by state.

What to do with this

How to act on Allstate Insurance's complaint and denial record.

Complaint ratios normalise by premium volume so larger carriers are not penalised for writing more policies.

Verify Allstate Insurance

Allstate Insurance is filed with the NAIC under company number 19232. Search that number directly in the NAIC's own public consumer-information tool to cross-check this page against the primary source.

Verify on NAIC Consumer Information Source

Source: NAIC published complaint index data Complaint index, reputation grade for Allstate Insurance · 2024 NAIC complaint index aggregates state-DOI consumer complaints, normalized against premium volume (1.0 = market average). Denial rates from CMS Transparency in Coverage PY2025. Reputation grade is PlainInsurer's peer-relative methodology applied to this public data.

Download the data behind this page

The full PlainInsurer extract, covering every insurer including Allstate Insurance, is available as CSV and JSON. Underlying federal data is public domain; see our methodology for the compilation and grading method.

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Data: NAIC published complaint index (2024). Not affiliated with NAIC or CMS.

Every figure on PlainInsurer comes directly from NAIC MCAS and CMS Transparency in Coverage data; no editor types in numbers. See our editorial standards or methodology, or report an error. Data current as of 2026-07-28. Grades measure only the published complaint/denial data; we don't recommend any insurer or policy.