Who is the #1 insurance company in the USA?
State Farm Group is the number one property and casualty insurance company in the U.S. based on net premiums written and market share.
Top U.S. Insurers by Category
Because the insurance industry is split into different types of coverage, the "top" company depends on the sector:
- Auto and Homeowners (Property & Casualty): State Farm ranks #1, followed by competitors like Progressive, Berkshire Hathaway (GEICO), and Allstate.
- Health Insurance: UnitedHealth Group is the largest health insurer in the U.S. by market share and revenue.
- Overall Revenue / Assets: UnitedHealth Group and Berkshire Hathaway lead the nation in total financial size and revenue.
You can check individual performance metrics and customer reviews via Forbes Best Insurance Companies.
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
Which insurance company is best in the USA?
There is no single "best" insurance company in the USA, as top choices depend heavily on your eligibility, location, and the type of coverage you need. However, industry ratings consistently highlight a few standout national providers:
Top-Rated Insurance Companies by Category
- Best Overall for Military & Veterans: USAA consistently ranks #1 in customer satisfaction and low pricing across auto, home, and life insurance, though policies are exclusively for the military community and their families.
- Best Overall for General Public & Customer Service: Amica Mutual Insurance Company earns top marks for customer satisfaction, claims handling, and mutual structure (prioritizing policyholders over stockholders).
- Best Largest Provider / Market Leader: State Farm holds the largest overall market share in the U.S. and is widely recognized for its robust local agent network and reliable bundling options.
- Best for Budget & Overall Value: Travelers ranks highly for competitive standard rates, balanced digital tools, and fewer consumer complaints relative to its size.
- Best for Discounts & Digital Ease: GEICO is frequently recommended for direct-to-consumer convenience and wide-ranging safe-driver discounts.
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 exercise caution with large national insurers frequently flagged by consumer advocates and injury attorneys for slow payouts, lowball offers, and high claim denial rates, such as Allstate, Liberty Mutual, and State Farm.
Legal reviews, consumer complaints, and reports compiled by organizations like 10 Worst Insurance Companies frequently highlight several companies for poor claims experiences:
Commonly Flagged Companies
- Allstate: Frequently cited by attorneys for using aggressive claims-evaluation software to lower payout offers and delay settlements.
- Liberty Mutual: Often reported for high complaint volumes regarding undervalued auto claims, premium hikes, and strict non-renewals.
- State Farm: Known in legal circles for practicing "deny, delay, and defend" tactics to minimize payout amounts on property and auto claims.
- Progressive: Regularly listed by consumer groups for undervaluing vehicle repair totals and contesting valid injury claims.
- Budget / High-Risk Brands (e.g., Fred Loya, Dairyland): These cut-rate or last-resort insurers often score poorly for customer communication, slow processing times, and heavy reliance on minimum coverage limits.
What to Look For Instead
- Check current satisfaction rankings from independent evaluators like J.D. Power before buying a policy.
- Review consumer guides like Consumer Reports to see how specific carriers handle customer service and real-world claims.
- Remember that the cheapest upfront premium often signals a difficult claims process later.
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.