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

Graded on 1 of 3 measures: NAIC complaints. The score is rescaled across the measures available, so it is not directly comparable with a carrier graded on more of them.

How we calculated this grade →

NAIC CIS filing desk

NAIC 19232 C · 51.6

GRADE-C · INDEX-ELEV · DENIAL-NONE · RANK-MID · PHOTO-FINISH · LINES-1 · BOOK-RICH

  • GRADE-C C · 51.6
  • INDEX-ELEV 1.21
  • DENIAL-NONE No CMS file
  • RANK-MID #42/72
  • PHOTO-FINISH Florida Blue (BCBS FL) · C
  • LINES-1 1 line
  • BOOK-RICH 6/7 fields

Nearest complaint-index peer: Florida Blue (BCBS FL) (±0.01 index pts)

Instrument codes from this carrier’s NAIC Consumer Information Source filing: grade band, complaint index, CMS denial band, corpus rank, photo-finish peer, line book, and field completeness. Not an official NAIC rating.

Complaint-index neighbourhood around Allstate Insurance

Quietest and hottest poles plus nearest index peers, not a full NAIC corpus board reprint.

Allstate Insurance - complaint index neighbourhood

complaint index

What this shows 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.

Source NAIC published complaint index (2024) As of 2026

Where Allstate Insurance sits on complaints

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

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

NAIC complaint counts with PlainInsurer composite scores (multi-vintage: NAIC MCAS + CMS TiC/MA when present), 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 02,0004,0006,0008,000 60708090100 Total complaints → Composite score (higher = more friction) →
NAIC complaint counts with PlainInsurer composite scores (multi-vintage: NAIC MCAS + CMS TiC/MA when present), 72 rated insurers

Complaint record by line of business

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

Auto insurance market share

Private-passenger-auto ranking by written premium, NAIC 2024

#4
Market share
10.18%
Written premiums
$36,581.812M
See the full market-share ranking →

What the NAIC filing desk 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 is outside the CMS marketplace file, but the claim-denial rate ranking shows what that data reports for the carriers it does cover. How complaint indexes place Allstate Insurance.

Allstate Insurance carries an A.M. Best Financial Strength Rating of A+ (Superior) as of August 2025 (claims-paying ability, not complaint or service quality). Source: AM Best.

Nationwide insurers with similar scores or complaint volume

Two corpus-wide peer sets for Allstate Insurance: nearest national-scale carriers by composite score and by NAIC complaint volume. These are cross-market neighborhoods, not the corporate-family list or same-grade chips above.

Similar composite score

Nearest carriers by composite score (51.6 here). Floored at 50+ complaints and 5+ states.

AIG Homeowners 50.8 Molina Healthcare 50.4 Nationwide Property 55.2 Transamerica Life 55.2

Similar complaint volume

Nearest carriers by NAIC complaint count (7,240 here). Deduped against the score peers so the two sets stay distinct.

Ambetter (Centene) 7,172 complaints UnitedHealthcare 6,891 complaints Centene Corporation (WellCare) 6,763 complaints Farmers Property 7,832 complaints
Aggregates only, not advice. Full terms on the disclaimer.

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.

Questions about Allstate Insurance

What does Allstate Insurance's grade mean?
Allstate Insurance received a grade of C, indicating a record near the industry median.
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).
How do I file a complaint against Allstate Insurance?
File against Allstate Insurance through your state's Department of Insurance or the NAIC consumer portal at naic.org.
Is Allstate Insurance a good insurance company?
PlainInsurer's C grade for Allstate Insurance reflects a record near the industry median relative to peers on published complaint and denial data.
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.

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

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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 2026-08-11. Grades measure only the published complaint/denial data; we don't recommend any insurer or policy.