Professional Liability / Errors & Omissions (E&O) cost guide
How much does Professional Liability / Errors & Omissions (E&O) cost for small businesses in 2026? Benchmarks, factors, carrier pricing, and how to save.
Looking for editorial recommendations on which professional liability / errors & omissions (e&o) carrier to choose? See our professional liability / errors & omissions (e&o) best-of ranking with per-carrier rationale and explicit disclosure of which carriers we excluded.
Coverage overview
E&O / professional liability pays for legal defense costs, settlements, and judgments arising from claims of negligence, misrepresentation, or failure to perform professional services to the standard of care expected in the industry. It is typically written on a "claims-made" basis, meaning the policy must be in force both when the alleged error occurs and when the claim is reported. Covered losses are almost always purely economic (financial harm to a third party); bodily injury and property damage are handled under general liability. Standard exclusions include intentional wrongdoing, fraud, and criminal acts; insured-vs-insured disputes; bodily injury and property damage; warranty disputes; employment practices claims (EPLI); prior known acts before the policy's retroactive date; and, in most forms, breach of express contract. Many policies require the insured to use defense counsel approved by the carrier.
Professional liability is essential for any business that provides advice, designs, or professional services for a fee, including consultants, accountants, lawyers, architects, engineers, real estate agents, insurance agents, IT consultants, marketing agencies, and healthcare providers (where it is usually called medical malpractice). Several licensed professions — including real estate agents in some states, attorneys (by bar rule in some jurisdictions), and medical professionals — are required by state licensing or board rule to maintain minimum E&O coverage. Client contracts frequently require $1M or $2M limits as a condition of engagement.
Average cost
The median small business pays $61/month for professional liability / errors & omissions (e&o) at standard $1M per claim / $1M aggregate (often $1M/$2M for higher-revenue accounts) limits. Most quotes fall between $33 and $583 per month. The spread reflects the seven factors below, with industry classification and revenue typically driving the largest swings.
Benchmark from Insureon Professional Liability cost benchmark. Quoted figures reflect bound small-business policies, not survey self-reports.
What affects your professional liability / errors & omissions (e&o) cost
Carriers don't price professional liability / errors & omissions (e&o) from a single number. These are the seven inputs they actually weigh, in roughly the order they move premium most.
Profession / industry
Lawyers, architects, financial advisors, and medical professionals run materially higher rates than IT consultants, marketing agencies, and management consultants. The premium ratio across professions is roughly 5–10x for the same revenue and limits. A $1M E&O for an architect might be $4,000/year while the same limit for a graphic designer runs $500–$800.
Annual revenue
PL premium is heavily revenue-rated. Doubling revenue typically increases premium 50–80%, less than linear because the largest claims tend to scale with project size rather than total revenue.
Coverage limits
Moving from $1M/$1M to $2M/$2M limits typically adds 25–40% to premium. Standard small-business PL is $1M/$1M; higher-stakes professions (architects, engineers, financial advisors) often need $2M/$2M as a contractual minimum.
Retroactive date
PL is typically written claims-made, meaning the policy must be in force when the claim is filed and when the work was performed. The retroactive date is the start of the look-back coverage period. Older retro dates increase premium 5–15% but cover prior work.
Claims history
A single PL claim in the past five years typically adds 20–40% to renewal premium and may push you out of standard markets. Two or more claims in five years is a near-automatic surplus-lines placement at materially higher cost.
Project size and concentration
Carriers ask about your largest single project. A consultant whose largest engagement is $50K is rated very differently from one whose largest is $5M. The per-claim severity exposure scales with project size, not revenue.
Subcontractor use
Using subcontractors who do not carry their own PL extends your exposure to their work. Carriers usually charge 5–15% more for accounts with significant subcontractor use, and may require a vicarious-liability endorsement.
Stop guessing. Get an actual professional liability / errors & omissions (e&o) price.
Tell us your industry, state, and size. We'll match you to the carriers most likely to quote professional liability / errors & omissions (e&o) for your profile, with starting prices side-by-side.
Professional Liability / Errors & Omissions (E&O) cost by industry
Industry classification is the single biggest premium driver. Same coverage, same limits, but a different class code can mean a 4×–10× difference in what carriers charge.
| Industry | Range visualization | Annual range |
|---|---|---|
| Personal Trainers | $300–$1,500 | |
| Photographers | $400–$1,800 | |
| Accountants / Bookkeepers | $600–$2,500 | |
| Real Estate Agents / Brokers | $1,000–$3,000 | |
| Fitness / Gym Centers | $1,500–$4,500 | |
| IT Consultants | $1,500–$5,000 | |
| Marketing / Advertising Agencies | $1,500–$5,000 | |
| SaaS / Tech Companies | $2,000–$7,000 | |
| Lawyers / Law Firms | $2,500–$8,000 | |
| Physicians | $8,000–$30,000 |
Showing 10 of 18 industries with carrier-validated professional liability / errors & omissions (e&o) cost data. View all industries →
How to lower your professional liability / errors & omissions (e&o) cost
- Quote 3+ carriers at renewal. Premium spreads of 30–50% on the same coverage are routine. The cheapest carrier rotates yearly as each one's loss ratio shifts.
- Bundle into a BOP if you qualify. A business owner's policy combines GL + commercial property at typically 10–25% less than the same coverages bought separately.
- Check your industry classification code. Misclassification (usually a holdover from when the business looked different) is the single most common avoidable cost. A 10-minute conversation with the underwriter can be worth thousands.
- Set a reasonable deductible. Where it's offered, a $500–$2,500 deductible cuts premium 5–15% with negligible exposure for most small businesses.
- Pay annually, not monthly. Most carriers charge a 5–10% installment fee on monthly billing. If cash flow allows, annual saves the spread.
Top professional liability / errors & omissions (e&o) carriers by pricing transparency
Carriers ranked against our 6-dimension methodology, filtered to those we cover that write professional liability / errors & omissions (e&o).
Sub-threshold = fewer than 20 NAIC complaints in 3 years (data is too sparse to score reliably). N/A (broker) = not a carrier. See full methodology →
| Carrier | Our score | Positioning | Starting price | Coverage | Claims | AM Best | NAIC index | States | Quote channel |
|---|---|---|---|---|---|---|---|---|---|
 | 8.1 | Broker comparing 8+ carriers | GL $21/mo | 8.5/10 | 7.5/10 | — | N/A (broker) | 50 states | Broker portal |
 | 8.1 | Broad-ladder primary carrier | GL $42/mo | 9.0/10 | 8.0/10 | A++ | Sub-threshold | 50 states | Direct online |
 | 7.9 | Single-carrier program for SMBs | GL $68/mo | 9.0/10 | 8.0/10 | A+ | Sub-threshold | 50 states | Direct online |
 | 7.8 | Digital-native micro-business | Cyber $4/mo | 7.0/10 | 7.5/10 | A+ | Sub-threshold | 50 states | Direct online |
 | 7.4 | Gig and event-based | GL $17/mo | 6.5/10 | 7.0/10 | A+ | Sub-threshold | 50 states | Direct online |
 | 7.2 | Berkshire-backed contractual umbrella | GL $28/mo | 8.0/10 | 8.0/10 | A++ | 13.25 | 50 states | Direct online |
About complaint index data: Values are 3-year averages from NAIC Consumer Information Source for commercial liability. Carriers with fewer than 20 complaints in the 3-year window are labeled "sub-threshold". A reliability call about data volume, not a finding about the carrier. Brokers (Category D) are structurally N/A. See our complete methodology.
- 8.1
- Positioning
- Broker comparing 8+ carriers
- Starting price
- GL $21/mo
- Coverage
- 8.5/10
- Claims
- 7.5/10
- AM Best
- —
- NAIC index
- N/A (broker)
- States
- 50 states
- Quote channel
- Broker portal
- 8.1
- Positioning
- Broad-ladder primary carrier
- Starting price
- GL $42/mo
- Coverage
- 9.0/10
- Claims
- 8.0/10
- AM Best
- A++
- NAIC index
- Sub-threshold
- States
- 50 states
- Quote channel
- Direct online
- 7.9
- Positioning
- Single-carrier program for SMBs
- Starting price
- GL $68/mo
- Coverage
- 9.0/10
- Claims
- 8.0/10
- AM Best
- A+
- NAIC index
- Sub-threshold
- States
- 50 states
- Quote channel
- Direct online
- 7.8
- Positioning
- Digital-native micro-business
- Starting price
- Cyber $4/mo
- Coverage
- 7.0/10
- Claims
- 7.5/10
- AM Best
- A+
- NAIC index
- Sub-threshold
- States
- 50 states
- Quote channel
- Direct online
- 7.4
- Positioning
- Gig and event-based
- Starting price
- GL $17/mo
- Coverage
- 6.5/10
- Claims
- 7.0/10
- AM Best
- A+
- NAIC index
- Sub-threshold
- States
- 50 states
- Quote channel
- Direct online
- 7.2
- Positioning
- Berkshire-backed contractual umbrella
- Starting price
- GL $28/mo
- Coverage
- 8.0/10
- Claims
- 8.0/10
- AM Best
- A++
- NAIC index
- 13.25
- States
- 50 states
- Quote channel
- Direct online
Professional Liability / Errors & Omissions (E&O) cost FAQs
How much does professional liability insurance cost?
Most small businesses pay between $33 and $583/month for $1M/$1M professional liability coverage, with a median near $61/month per Insureon. Lower-risk professions (marketing agencies, IT consultants) cluster at the low end; higher-risk professions (architects, financial advisors) at the high end.Is professional liability the same as errors and omissions (E&O)?
Yes. They are the same product under different names. E&O is the older term; "professional liability" is increasingly the standard label. Some carriers and industries still use E&O (e.g., real estate E&O, IT E&O) but the coverage is the same.Do I need both general liability and professional liability?
Most service businesses do. GL covers third-party bodily injury and property damage from your operations (a client tripping in your office). PL covers errors and omissions in the services you deliver (the advice you gave caused the client a financial loss). Different exposures. Neither one covers what the other does. See our GL cost guide.What is "claims-made" coverage?
Claims-made policies cover claims filed during the policy period, not when the work was performed. To maintain coverage for prior work, you must keep continuous coverage with the same retroactive date. Or buy "tail" coverage when you cancel. This is the opposite of GL's "occurrence" basis. The distinction matters when switching carriers or retiring.What is a tail / extended reporting endorsement?
A tail endorsement extends your reporting period after the policy ends, covering claims for past work that surface after the policy is canceled. Typical options are 1, 3, or 5 years; some professions (medical, legal) need indefinite tails. Tails usually cost 75–250% of the annual premium as a one-time charge.Is professional liability tax-deductible?
Yes. PL premiums are deductible as an ordinary and necessary business expense per IRS Publication 535. Treat the same as GL and other business policies on your return.Do I need PL if I'm a freelancer or contractor?
It depends on your work. If clients pay for advice, recommendations, deliverables, or consultative work. Yes, PL is the relevant coverage. If you sell a physical product or perform manual labor with no advisory component, GL alone is usually enough. Many service-business contracts now require PL by default.Does professional liability cover IP infringement claims?
Some PL policies cover unintentional copyright/trademark infringement; intentional infringement is universally excluded. For tech and creative businesses with material IP exposure, look for a "media liability" endorsement or a standalone media-liability policy. Hiscox, Coalition, and Embroker write specialty media-liability coverage.
Methodology & sources
Median monthly figures and typical-range bounds come from Insureon's published carrier-quote benchmarks. These are real bound-policy quotes, not survey self-reports. It's the most representative public dataset of small-business premium ranges.
Per-policy starting-price floors are sourced from the carriers we cover (10+ small-business insurers) at their published advertised rates. We don't average competitive intel; we report what each carrier publishes.
Industry-wide context (NAIC complaint indices, III definitions, SBA guidance, IRS Publication 535 deductibility) sources every claim that isn't a price benchmark. State-specific WC rates, when shown, originate from each state's rating bureau (NCCI or independent).
Sources cited
Stop guessing. Get an actual professional liability / errors & omissions (e&o) price.
Tell us your industry, state, and size. We'll match you to the carriers most likely to quote professional liability / errors & omissions (e&o) for your profile, with starting prices side-by-side.