Reputation grade
C
Peer-relative, A–F
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
NAIC complaint index
0.98
1.0 = market average; lower is better
Est. complaint volume
~5,989
across 50 states, index-derived
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 →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
Market share
1.34%
Written premiums
$4,800.875M
What the data 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, part of Nationwide, carries a C reputation grade in PlainInsurer's dataset, with a composite score of 60.8 (higher means more consumer friction relative to size). Its NAIC complaint index of 0.98 sits below the 1.0 market average, meaning policyholders escalate fewer disputes to regulators than is typical for a carrier of its premium volume.
Nationwide 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.
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.
Source: NAIC Consumer Information Source complaint data (2024). See methodology.
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.
Aggregates only, not advice. Full terms on the disclaimer.
Other C-graded carriers in PlainInsurer's dataset include Liberty Mutual and Aetna (CVS Health), and the closest overall composite score to Nationwide Insurance's 60.8 belongs to BCBS of Illinois (60.8), each rescaled across the measures that carrier reports.
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.
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 |
| Allstate Insurance | C |
Closest composite score to Nationwide Insurance
Carriers with the nearest overall composite score (60.8)
| Insurer | Composite score |
|---|---|
| BCBS of Illinois | 60.8 |
| Superior Health Plan | 60.5 |
| Blue Cross and Blue Shield of Arizona, Inc. | 61.1 |
| Health Net of Arizona, Inc. | 60.0 |
| Blue Cross and Blue Shield of Florida | 61.6 |
Questions about Nationwide Insurance
What does Nationwide Insurance's grade mean?
Nationwide Insurance received a grade of C, indicating a record near the industry median.
How many complaints does Nationwide Insurance have?
PlainInsurer estimates Nationwide Insurance's complaint volume at roughly 5,989 across 50 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 Nationwide Insurance?
File against Nationwide Insurance through your state's Department of Insurance or the NAIC consumer portal at naic.org.
Is Nationwide Insurance a good insurance company?
PlainInsurer's C grade for Nationwide Insurance reflects a record near the industry median relative to peers on published complaint and denial data.
What types of insurance does Nationwide Insurance offer?
Based on NAIC filing data, Nationwide Insurance reports activity in 1 line of business: Auto Insurance. Availability varies by state.
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.