Who is the #1 insurance company in the US?
State Farm Group is the #1 property, casualty, and auto insurance company in the U.S. based on market share and direct written premiums.
Key Details on Top Insurers
- Property and Casualty / Auto: State Farm Group holds the largest overall market share (around 12% to 18% depending on the specific line), followed by major competitors like Progressive Insurance Group and GEICO.
- Health Insurance: UnitedHealth Group is the largest health insurance provider in the United States by net premiums written and total revenue.
- Life Insurance: Northwestern Mutual ranks as the top direct provider of individual life insurance in the country.
Who are the top 3 insurance companies in the US?
The top three insurance companies in the U.S. by direct premiums written are State Farm, Progressive, and Berkshire Hathaway.
The Top 3 Insurers
- State Farm
- Market Share: About 10.4%
- Direct Premiums Written: Over $108 billion
- Main Focus: Auto, home, and property insurance
- Progressive
- Market Share: About 7.3%
- Direct Premiums Written: Over $75 billion
- Main Focus: Personal and commercial auto insurance
- Berkshire Hathaway (Parent company of GEICO)
- Market Share: About 6.0%
- Direct Premiums Written: Over $62 billion
- Main Focus: Auto and property-casualty insurance
Which insurance denies the most claims?
Oscar Health denied 25.3% of in-network claims in 2024, representing the highest denial rate among major national ACA marketplace health insurers.
Health Insurance Denial Rates
- Oscar Health: Denied 25.3% of marketplace claims.
- Molina Healthcare: Denied 22% of claims.
- Ambetter (Celtic): Denied 21% of claims.
- UnitedHealthcare: Denied 20% of claims (down from 33% the previous year).
- Kaiser Permanente: Recorded the lowest national rate at approximately 6%.
Homeowners and Auto Insurance Denial Rates
- Allstate and USAA: Frequently flagged by public reports and consumer data for closing roughly 40% to 50% of property and homeowners claims without payment in high-risk regions.
- State Farm: Reported home insurance denial rates exceeding 41% to 59% in catastrophe-heavy markets like Florida.
What is the big 3 insurance?
Big 3 insurance typically refers to critical illness insurance that specifically covers the three most common and severe life-threatening medical conditions: cancer, heart attacks, and strokes.
What is Big 3 Critical Illness Insurance?
- Core Coverage: It pays a 100% lump-sum cash benefit upon the diagnosis of cancer, a heart attack, or a stroke.
- Financial Support: The payout is given directly to the policyholder to use however they need—such as paying for medical treatments, replacing lost income, or managing daily living expenses during recovery.
- Simplicity: Many providers (like FWD SG Big 3 Critical Illness Insurance) offer these plans online with basic health declarations and no mandatory medical examination.
What are the big 5 insurance companies?
The "Big 5" insurance companies usually refer to the largest auto and property-casualty insurers in the United States: [1]
- State Farm [1]
- Progressive
- GEICO (owned by Berkshire Hathaway)
- Allstate [1]
- USAA (or Liberty Mutual depending on market share metrics) [1]
📊 Major Auto & Property Insurers
| Company | Core Strength | Market Focus |
|---|---|---|
| State Farm | Largest overall market share | General public / Bundled auto & home |
| Progressive | Rapid growth / Competitive pricing | High-risk drivers / General public |
| GEICO | Direct-to-consumer digital model | Direct auto insurance |
| Allstate | Extensive local agent network | Bundled policies / Comprehensive coverage |
| USAA | Top customer satisfaction | Military members and veterans only |
💡 Health Insurance Alternative
If you mean health insurance rather than auto/property, the "Big 5" major health payers are:
insurance company in usa
What is the best car insurance?
The best car insurance depends on your individual needs, but top-rated national providers like Travelers offer the best overall balance of price and coverage, while USAA ranks highest for military members.
✅ Top Car Insurance Options
- 🚗 Travelers
- Best for: Overall value and coverage depth
- Why it works: Low average rates ($1,843/yr) and strong add-on options.
- Limitation: Customer satisfaction scores are average.
- 🎖️ USAA
- Best for: Military community members and veterans
- Why it works: Lowest average annual rates ($1,491) and top-tier service.
- Limitation: Restricted to military, veterans, and their families.
- 🦎 GEICO
- Best for: Discounts and mobile app usability
- Why it works: Extensive discount opportunities and highly-rated digital tools.
- Limitation: Fewer unique policy add-ons than competitors.
- 📈 Progressive
- Best for: Quote customization and accident forgiveness
- Why it works: Flexible tools to build and adjust policy features.
- Limitation: Average baseline pricing compared to budget peers.
- ⭐ Erie Insurance
- Best for: Regional customer and claims satisfaction
- Why it works: Consistently high marks for claims handling and rate locks.
- Limitation: Only available in select states (mostly Mid-Atlantic/Midwest).
🔎 How to Evaluate Your Choice
As noted by users on Reddit, no single company is universally the best because pricing relies heavily on personal data.
- Location & ZIP Code: Rates change drastically by state and city.
- Driving Record: Accidents, tickets, or DUIs shift which insurer is cheapest.
- Coverage Level: Minimum liability vs. full coverage (comprehensive and collision) changes the math.
What is the No. 1 insurance company?
State Farm Group is the No. 1 property, casualty, and auto insurance company in the United States by market share.
The top spot can change depending on the category of insurance you need:
- Auto and Homeowners: State Farm holds the largest market share in the U.S. for personal lines like auto and home insurance.
- Health Insurance: UnitedHealth Group is the top health insurance provider in the country.
- Life Insurance: MetLife ranks first for direct premiums written in life and annuity lines, while companies like Northwestern Mutual score highest for customer trust and experience.
- Global Revenue: UnitedHealth Group and Berkshire Hathaway are the largest globally by total revenue.
What's the worst insurance company?
There is no single "worst" insurance company, but legal advocacy groups, consumer reports, and customer satisfaction surveys frequently rank Allstate, Liberty Mutual, and State Farm near the bottom for low payouts, delayed claim processing, and aggressive defense tactics.
Frequently Cited Poor Performers
Legal studies and consumer watchdog reports (such as those from the American Association for Justice) often place these major carriers on lists of problematic insurers:
- Allstate: Widely criticized by personal injury lawyers for utilizing a strict "deny, delay, defend" strategy and relying on internal calculators to undervalue medical bills or vehicle repairs.
- Liberty Mutual: Frequently flagged for low settlement offers and high complaint volumes regarding adjuster handling.
- State Farm & Progressive: Frequently cited for low customer satisfaction during claims processes and unsatisfactory settlement offers.
- Unum: Routinely named one of the worst specifically for disability insurance claim denials and delays.
- Budget/Fly-By-Night Insurers: Smaller regional or budget companies like Fred Loya, BlueFire, Safeco, and Mendota often rank lowest in customer service and responsiveness.
How Insurers Are Measured
Consumer reporting agencies and industry analysts judge companies based on specific criteria:
- Complaint Index: The ratio of complaints filed with state insurance commissioners relative to the company's size.
- Claim Satisfaction: Rankings from independent research firms like J.D. Power, which track how smoothly property and auto claims are handled.
- Bad Faith Lawsuits: Frequency of litigation regarding unfair claim denials or unreasonable delays.
What insurance companies should I stay away from?
You should review consumer complaint data and legal evaluations before picking an insurer, as large companies like Allstate, State Farm, and Liberty Mutual frequently rank poorly for delaying or undervaluing claims.
Major Insurers Frequently Criticized for Claims Practices
- Allstate: Legal and consumer groups often cite this company for low initial settlement offers, strict litigation tactics, and high complaint volumes.
- State Farm: Policyholders frequently report long wait times, poor communication, and disputes over how storm or property damage is classified.
- Liberty Mutual: Personal injury attorneys and consumer reports often flag this company for low payout offers and difficulties during the auto claims adjustment process.
- Progressive: This carrier faces regular criticism for undervaluing vehicle repair estimates and pushing back heavily on injury claims.
Budget and High-Risk "Last Resort" Companies
- Minimum-Coverage Specialists: Smaller budget companies (such as Fred Loya or Country-Wide) focus on high-risk drivers. They often sell bare-minimum policies that leave you exposed, and they have reputations for poor customer service and slow response times.
- Guaranteed Acceptance Ads: Any company that advertises zero turn-downs or guaranteed coverage usually provides limited dollar limits and high out-of-pocket costs when an accident happens.
You can read a detailed breakdown of bad-faith tactics in the Colorado Law Worst Insurers Guide.
What are the top 5 worst homeowners insurance companies?
Based on recent industry surveys like J.D. Power's property and satisfaction studies, the lowest-ranking homeowners insurance companies for customer satisfaction and claims include Universal Direct, Tower Hill Insurance, National General, Homesite, and Foremost.
Lowest-Ranking Home Insurers
- Universal Direct: Ranks at the very bottom of major customer satisfaction and claims surveys due to slow response times and service issues.
- Tower Hill Insurance: Frequently scores near the bottom for overall customer experience and policyholder satisfaction.
- National General: Scores poorly on consumer satisfaction metrics regarding communication and payout handling.
- Homesite: Routinely lands at the bottom of J.D. Power claims satisfaction rankings for property coverage.
- Foremost: Receives below-average customer satisfaction scores for handling claims and policy value.