Best Professional Liability Insurance (E&O) in New Hampshire

Our analysis of New Hampshire professional liability insurers found three providers that consistently outperformed the field on rates, coverage and customer experience across the state's industries.

1. ERGO NEXT: Rates that undercut the New Hampshire state average combined with a fully digital buying experience that lets you quote, bind and pull certificates of insurance without talking to anyone earned ERGO NEXT the top spot. The insurer ranks first in NH across industries including construction, healthcare, fitness, recreation, arts and marketing. It's backed by Munich Re through its ERGO Group parent, which added significant financial depth when the acquisition closed in 2025. New Hampshire contractors and healthcare service businesses get the strongest fit here.
2. The Hartford: Strong affordability is the headline, but what actually sets The Hartford apart for NH businesses is how well it performs across white-collar service industries. It ranks first in the state for tech, consulting, financial services, real estate and hospitality. For a Portsmouth accountant or a Manchester financial advisor shopping for E&O, The Hartford's combination of rate competitiveness and profession-specific coverage depth is hard to beat. The tradeoff: professional liability quotes require a phone call rather than a fully online process, so expect a longer buying timeline than ERGO NEXT.
3. Hiscox: Over a century of specialty insurance experience and a product line built around professional services firms makes Hiscox a natural fit for New Hampshire businesses that need more coverage depth than a standard E&O policy provides. It ranks first in the state for nonprofits and puts up strong numbers for consulting, financial services and childcare. Its E&O policy forms are generally broader than what mass-market carriers offer, which matters for complex or client-contract-heavy businesses in Concord or Portsmouth.

Ranked providers represent the best fit for most New Hampshire businesses, but no single list accounts for every profession, revenue level or risk profile. Comparing business insurance options side by side and getting direct quotes gives you the clearest picture of what you'll actually pay.

More detailed guides below break down professional liability coverage by industry, including costs and coverage considerations beyond the basics.

Three providers come in below the New Hampshire state average of $55 per month for professional liability:

1. The Hartford: At $40 per month, it's 27% below the state average and the cheapest professional liability option in NH. The strongest savings are in tech, consulting, financial services, real estate and hospitality. Worth noting: The Hartford's coverage scores trail its affordability scores in a few categories, so businesses with complex or contract-heavy coverage needs should review policy terms closely before committing on price alone.
2. Hiscox: Averaging $46 per month, Hiscox saves NH businesses 17% compared to the state average. Nonprofits, consultants and financial services firms get the best rate-to-coverage combination. Its coverage scores are notably strong relative to its rates in consulting and financial services, making it a better fit than the price alone suggests for those industries.
3. ERGO NEXT: At $50 per month, ERGO NEXT is 10% below the state average. Childcare providers, healthcare businesses, fitness services and pet care operations see the strongest savings. Its coverage scores are consistently high relative to its rates across those categories, so the lower price doesn't come at a coverage quality cost.

Run the table below to compare all three side by side before you decide.

The cheapest provider statewide won't always be the cheapest for your specific profession. Industry guides below break down rates and coverage by business type so you can find the best price for what you actually do.

Any New Hampshire business that delivers professional services under a client contract or gives advice that clients act on financially should carry professional liability insurance. The New Hampshire Insurance Department oversees the state's insurance market, but most coverage decisions come down to what your licensing board requires and what your clients demand before signing.

New Hampshire businesses pay an average of $55 per month ($660 per year) for professional liability coverage, which ranks the state 27th for affordability nationally. That average moves a lot depending on what you do: your industry, the size of your client contracts and the level of risk your work carries all pull the number in different directions. Cleaning services pay as little as $18 per month while childcare providers average $164 per month, a spread that reflects how differently insurers price risk across professions.

Select your industry in the table below to see average E&O rates specific to what you do and how New Hampshire compares to the national average.

Table averages are built from broad industry profiles and won't match your actual quote because your revenue, claims history and the specific services you provide all shift the number. Use the cost calculator below to get an estimate based on your business's actual details.

Detailed cost breakdowns by profession are in the industry guides below, covering professional liability premiums and related coverage types.

The right professional liability coverage for your New Hampshire business starts with knowing your industry, your client contract requirements and your budget. ERGO NEXT earns the top overall rating for NH, but The Hartford's rates and The Hartford's and Hiscox's coverage depth in specific industries mean your profession should drive the final call, not just the overall ranking. Compare quotes from at least three carriers and verify your retroactive date before you bind.

The image below shows a visual summary of the top-rated professional liability providers in New Hampshire.

MoneyGeek matches New Hampshire businesses to top-rated professional liability providers based on your industry and business type. Use the tool below to get your best provider match and quotes built for your NH business.

Professional Liability Insurance (E&O) NH: Other Coverages You May Need

Beyond professional liability, most New Hampshire businesses need additional coverage to be fully protected:

• General liability insurance: Covers costs from third-party bodily injury and property damage claims against your business.
• Business owner policy (BOP): Bundles general liability and commercial property coverage into one policy, typically at a lower combined rate than buying each separately.
• Workers compensation: Required in New Hampshire as soon as you hire your first employee, whether full-time, part-time or seasonal. Sole proprietors are exempt but may elect coverage. Corporations and LLCs with only three executive officers and no other employees may also elect to exclude coverage.
• Commercial auto: Required in New Hampshire when vehicles are used for business purposes.
• Cyber liability: Covers costs from data breaches and cyber incidents, especially relevant for tech firms, financial services companies and healthcare providers handling sensitive client data.
• Commercial umbrella: Extends your existing policy limits when a single claim exceeds your base coverage.
• Employment practices liability: Covers employee claims related to discrimination, harassment or wrongful termination.