Best Professional Liability Insurance Companies for Consultants

I compared professional liability policies on what they cost against the claims consultants actually face, like a client disputing your advice or a project outcome. I also weighed how much coverage each one gives you once that dispute starts and how easy the carrier makes it to buy a policy, adjust it mid-engagement, and get help when a claim drags on. Errors-and-omissions exposure is the whole ballgame here, so I paid close attention to how each provider handles retroactive dates, subcontractor work, and the extended reporting most consultants need when an engagement ends. You can see how this fits into the best consulting business insurance picture more broadly, but for professional liability specifically, my analysis put these five providers on top:

  • Choose if you want the best overall provider: The Hartford
  • Choose if you want deep E&O coverage for tech work: Hiscox
  • Choose if you want the best service experience: ERGO NEXT
  • Choose if you want to compare carriers fast: Simply Business
  • Choose if you work part-time or freelance: Nationwide
Featured Partner
The Hartford
The Hartford
• The Hartford ranks second overall in MoneyGeek's 2026 best professional liability study, at 4.32 out of 5. • Among established insurers in that study, The Hartford has the lowest rates at $45 a month, plus the top-rated claims experience. • For consultants and financial professionals, The Hartford performs especially well. • The Hartford's professional liability policy helps pay for claims involving negligence, inaccurate advice, copyright infringement and legal defense.

*MoneyGeek featured partner. Editorial rankings below are independent of this placement. Rates, rankings and savings comparisons are based on MoneyGeek's independent research and Hartford-reported data as of 2026. Figures are estimates and averages, not a guarantee of any individual quote, premium or discount.

For our overall best consulting business insurance ratings, we analyzed pricing, coverage options, and customer experience across 15 subindustries and all 50 states and Washington, D.C. Our analysis focuses on 1-to-4-person businesses, which represent nearly half of U.S. small businesses, while weighting results to ensure broader industry and location representation. To do this, we evaluated over one million business profiles, more than 22,000 customer experience data points and performed in-depth analysis of coverage contracts and endorsements to compare insurers consistently across industries and regions. We then rated each company across affordability (50%), customer experience (30%) and coverage options and terms (20%) to form an overall rating. See our full methodology.

95%

% of Small Businesses Covered

Over 220,588

Business Profiles Studied

22,058

Customer Experiences Analyzed

The Hartford

The Hartford: Best Overall, Best for Small to Midsize Consulting Firms

COMPANY HIGHLIGHTS

The Hartford is the top pick for most consulting businesses, with the lowest rates across 14 of the 15 sub-industries in the study and a claims process that resolves many disputes in as few as five days. Consultants in agriculture, research, and telecom pay 46% less than the national average, and a one-to-four-person firm runs about $27 a month. It's also one of the few carriers that can write professional liability on an occurrence basis instead of only claims-made, which matters when a client contract dictates how coverage has to be structured. The main tradeoff is on the front end, since getting a policy takes agent involvement rather than a quick online bind. Multi-state operators and tech consultants should also confirm that standard terms cover their full exposure before signing, since regulatory defense and subpoena sublimits are built for regulated fields.

Learn More: The Hartford Professional Liability Insurance Review

Hiscox

Hiscox: Best for IT and Tech Consultants

COMPANY HIGHLIGHTS

Hiscox ranks second overall and posts top scores in both coverage and affordability. Its E&O forms are built on more than a century of Lloyd's of London underwriting, so the policy language goes deeper than most carriers on things like retroactive coverage and worldwide work. That depth makes it the best option for IT and tech consultants, and its cyber liability product lets firms with data or systems exposure buy both coverages in one place. On price, Hiscox runs 43% below the national average across all 15 sub-industries, and a one-to-four-person firm pays about $29 a month. Claims are the weak spot, though, since reporting speed and resolution time rank near the bottom of this group, and NAIC data shows Hiscox drawing close to twice the complaints per policyholder as the average insurer.

Learn More: Hiscox Professional Liability Insurance Review

ERGO NEXT

ERGO NEXT: Best for Customer Experience

COMPANY HIGHLIGHTS

ERGO NEXT ranks third overall and posts the top customer-experience scores across every consulting sub-industry in the study. The buying process is what sets it apart, since consultants get a quote they can actually understand, with coverage terms and retroactive-date implications spelled out up front instead of surfacing later. You can get covered, generate a COI, and share proof of insurance entirely through the mobile app, often in under 10 minutes, and endorsement handling, billing, and renewals all rank first too. On price, ERGO NEXT saves consulting businesses 12% on average, but solo operators do far better at roughly 48% below the benchmark. The catch is scale, since rates sit at par around five to nine employees and climb 18% to 19% above average once a firm hits 10 or more people. Coverage is the other limit, with a $1 million per-occurrence cap and little room to customize.

Learn More: ERGO NEXT Professional Liability Insurance Review

Simply Business

Simply Business: Best for Comparing Multiple Coverage Options

COMPANY HIGHLIGHTS

Simply Business ranks fourth overall and is the only aggregator in the study. Instead of writing its own policies, it pulls professional liability from a panel of carriers, including Hiscox, Travelers, CNA, and Markel, then matches each consulting business to the carrier whose terms fit its risk profile. That approach earns top coverage scores in agricultural, HR, life coaching, SEO, safety, and telecom consulting. The buying process is quick, since one application generates several quotes side by side with an instant COI once you pick one, and a one-to-four-person firm pays about $47 a month. What happens after the sale depends on the carrier, not Simply Business, and that includes claims, which go straight to whichever underwriter backed the policy. Customer reviews regularly flag slow responses and trouble making changes after the sale. Savings run up to 8% for most firms, rising to 9% or 10% for those with 10 or more employees.

Learn More: Simply Business Insurance Review

Nationwide

Nationwide: Best for Part-Time and Freelance Consultants

COMPANY HIGHLIGHTS

Nationwide ranks fifth overall and underwrites its own policies, sold through agents rather than a self-service platform. Its real strength is the part-time and freelance E&O policy built for consultants working under 26 hours a week with annual revenue below $250,000, which most carriers don't offer. Renewals run on a predictable schedule, and Nationwide ranks second in this group for giving policyholders a say in claim settlement decisions, which matters when your professional reputation is tied to how a dispute resolves. Getting covered is the harder part, since you can't finish a professional liability quote online and binding takes a call or an agent visit. It also scores lower on explaining retroactive dates and policy language before purchase, so consultants may not know exactly what they bought until a claim tests it. On price, Nationwide runs about 2% above the national average, with a one-to-four-person firm paying roughly $52 a month.

Learn More: Nationwide Professional Liability Insurance Review

Best Professional Liability Add-Ons for Consultants

Professional liability is the base policy most consultants start with, since it answers the claims your work actually generates, like a client disputing your advice or the value of a project. A base E&O form leaves gaps, though, and the right endorsements close them as your practice grows, switches carriers, or brings in outside help.

Prior acts coverage
Work you did before the current policy's retroactive date, so past engagements stay protected under a new policy.
When you switch insurers and don't want a gap in coverage for work already delivered.
Claims filed after a policy ends for work done while it was active.
When you close or pause your practice, since PL claims often surface long after an engagement wraps.
Subcontractor coverage
Work performed by subcontractors you bring in on a project basis, treating their errors as covered under your policy.
When you staff up projects with outside help instead of handling everything in-house.
Higher limits endorsement
Per-claim and aggregate limits above the standard $1 million, up to $2 million or more.
When a client contract, often enterprise or government work, requires a limit higher than you currently carry.
Additional insured
Extends your policy to name a client or third party as an insured party on your coverage.
When a client contract requires you to name them on your policy before work can begin.
Regulatory defense and subpoena assistance
The cost of responding to a regulator or a subpoena tied to your consulting work.
When you work in a regulated field where an inquiry or subpoena is a real possibility.

Best Consultant Professional Liability Insurance Checklist

A short checklist keeps you from overpaying or buying a policy that leaves a gap right where your work is most exposed. The steps below run in a logical order, from sizing up your risk to locking in quotes.

  1. 1
    Set Your Limits and Payment Structure

    Most consulting contracts that require professional liability specify a $1 million per-claim minimum, but that floor may not match your real exposure. Consultants with larger clients, complex projects, or higher-risk specialties like engineering or environmental work often need more. Then decide how you'll pay, since annual payment usually costs less than monthly, though project-based consultants with variable income may prefer monthly for cash flow.

  2. 2
    Pick Your Top Priority

    Different situations call for different priorities, so focus on what matters most to your practice right now.

    • Affordability if you're buying PL for the first time and need renewal pricing that stays predictable as your revenue moves.
    • Customer experience if clients regularly require proof of coverage before work starts and certificate turnaround time matters.
    • Coverage options if you work in a layered-risk specialty like environmental, safety, or engineering consulting.
  3. 3
    Shortlist Providers That Write Your Work

    Not every carrier with professional liability actively writes it for consulting, and appetite varies by sub-industry. Two or three providers that regularly cover your type of work will price and underwrite it better than one treating it as an edge case, so start there instead of evaluating every carrier.

  4. 4
    Check the Dealbreakers Early

    Before going deeper, confirm the things that can knock a carrier out entirely. Verify the carrier's appetite for your sub-industry, whether the retroactive date covers your existing body of work, whether prior acts coverage is available if you're switching, that your operating states fall inside the carrier's footprint, and whether any exclusions hit claim types specific to your work.

  5. 5
    Compare Finalists and Confirm With Quotes

    Line up your short list across affordability, customer experience, and coverage, using your Step 2 priority as the tiebreaker when two are close. A provider that's strong in one area and weak in the others isn't the pick. Request quotes to confirm pricing and terms, and make sure the policy covers your full scope of practice, not just the primary service on your application.

Best Professional Liability for Consultants: Bottom Line

The Hartford, Hiscox and ERGO NEXT are the top-ranked options for consultants shopping for professional liability insurance. Overall scores are a useful starting point, but the more useful question is whether a provider's underwriting, pricing model and claims experience reflect the type of consulting work you do and the client disputes that work actually generates.

Best Professional Liability Insurance for Consultants Chart

Best Consulting Professional Liability Insurance: FAQs

About Angelique Palenzuela-Cruz


Angelique Palenzuela-Cruz, Business Insurance Writer, MoneyGeek

Angelique Palenzuela-Cruz is a Business Insurance Content Writer at MoneyGeek, where she specializes in general liability, workers’ compensation and professional liability insurance. Her work helps small business owners understand how these policies apply to coverage, including risks like customer injuries, employee injuries, professional mistakes, client contract terms and industry-specific coverage requirements.
She primarily covers service-based businesses where liability and employee coverage decisions are especially important, including cleaning, consulting, beauty and wellness, childcare, education, fitness, food service, pet care, repair and maintenance, and other professional services.
Before joining MoneyGeek, Angelique spent nearly 12 years at Guthrie-Jensen Consultants, one of Southeast Asia’s largest management training firms, where she advanced from Training Consultant to Managing Consultant. In that role, she worked with business clients to assess operational needs, develop training programs and present performance analyses to executive decision-makers. She also helped establish Gladwin Training Consultancy, where she served in learning solutions and client service roles.
Her background gives her practical context for writing about how businesses operate, manage client expectations, structure teams and make risk decisions. At MoneyGeek, she applies that experience to business insurance content, connecting coverage to actual business needs.

LinkedIn: linkedin.com/in/ma-angela-cruz

Email Contact: angelique.palenzuela@moneygeek.com