Insurer profile · Nationwide · NAIC + CMS
Nationwide Insurance
Nationwide Insurance's complaint record, claim-denial rate and reputation grade, drawn from published NAIC complaint data and CMS Transparency in Coverage.
- C
- Reputation grade
- 0.98
- Complaint index
- 50
- States active
The verdict
Nationwide Insurance earns a C reputation grade - a record near the industry median, according to the NAIC's published complaint index, its ratio runs 0.98, near the 1.0 market average.
- C
- reputation grade
- 0.98
- NAIC complaint index
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 23787 C · 60.8
GRADE-C · INDEX-MID · DENIAL-NONE · RANK-MID · PHOTO-FINISH · LINES-1 · BOOK-RICH
- GRADE-C C · 60.8
- INDEX-MID 0.98
- DENIAL-NONE No CMS file
- RANK-MID #35/72
- PHOTO-FINISH BCBS of Illinois · C
- LINES-1 1 line
- BOOK-RICH 6/7 fields
Nearest complaint-index peer: BCBS of Illinois (±0.00 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 Nationwide Insurance
Quietest and hottest poles plus nearest index peers, not a full NAIC corpus board reprint.
Nationwide Insurance - complaint index neighbourhood
- Northwestern Mutual… · quietest 0
Northwestern Mutual… · quietest
0 complaint index
- Travelers Property · near 1
Travelers Property · near
1 complaint index
- Unum Life · near 1
Unum Life · near
1 complaint index
- Anthem / Elevance He… · near 1
Anthem / Elevance He… · near
1 complaint index
- BCBS of Illinois · near 1
BCBS of Illinois · near
1 complaint index
- Nationwide Insurance · this carrier 1
Nationwide Insurance · this carrier
1 complaint index
- Gainsco Insurance · hottest
Gainsco Insurance · hottest
4 complaint index
What this shows According to PlainInsurer's dataset, Nationwide Insurance has a lower (better) NAIC complaint index than 50% of the 72 rated insurers it tracks and ranks #7 of 21 carriers by complaint ratio in Auto Insurance.
Where Nationwide Insurance sits on complaints
- Best in data 0
Lowest complaint index in PlainInsurer's dataset: 0.23
0 complaint index
- Market avg 1
Market average complaint index = 1.0 (NAIC benchmark)
1 complaint index
- Nationwide Insurance 1
Nationwide Insurance: complaint index 0.98
1 complaint index
- Worst in data
Highest complaint index in PlainInsurer's dataset: 3.87
4 complaint index
What this shows Nationwide Insurance's complaint index of 0.98 is 2% below the 1.0 market average for a carrier of its size.
Nationwide Insurance vs. the full rated-insurer dataset
98% Among the most affordable more affordable than 50% of 72 rated insurers
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
Complaint record by line of business
| Line | Est. complaints | Complaint index | States active |
|---|---|---|---|
| Auto Insurance | ~5,989 | 0.98 | 50 |
Auto insurance market share
Private-passenger-auto ranking by written premium, NAIC 2024
What the NAIC filing desk shows for Nationwide Insurance
According to PlainInsurer's dataset, Nationwide Insurance has a lower (better) NAIC complaint index than 50% of the 72 rated insurers it tracks and ranks #7 of 21 carriers by complaint ratio in Auto Insurance.
Nationwide 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 Nationwide Insurance.
Nationwide Insurance carries an A.M. Best Financial Strength Rating of A (Excellent) as of November 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 Nationwide 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 (60.8 here). Floored at 50+ complaints and 5+ states.
Similar complaint volume
Nearest carriers by NAIC complaint count (5,989 here). Deduped against the score peers so the two sets stay distinct.
Nationwide Insurance is part of the Nationwide family, alongside Nationwide Property and Nationwide Life 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 Nationwide Insurance
What does Nationwide Insurance's grade mean?
How many complaints does Nationwide Insurance have?
How do I file a complaint against Nationwide Insurance?
Is Nationwide Insurance a good insurance company?
What types of insurance does Nationwide Insurance offer?
Verify Nationwide Insurance
Nationwide Insurance is filed with the NAIC under company number 23787. 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 SourceSource: NAIC published complaint index data Complaint index, reputation grade for Nationwide Insurance · 2024
Share, download, and related pages for Nationwide Insurance
Download the data behind this page
The full PlainInsurer extract, covering every insurer including Nationwide Insurance, is available as CSV and JSON. Underlying federal data is public domain; see our methodology for the compilation and grading method.
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.