Insurance for professional services firms whose work is their product
Professional liability, cyber, EPLI, BOP and management liability for law, accounting, consulting, staffing, agency and design firms. Aiden pairs an AI risk engine with licensed brokers to place it across 100+ carriers.
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Quick answer: Professional services firms need professional liability (E&O) first, because the main risk is a client who says your advice, deliverable or design cost them money. Add cyber for client data, EPLI for staff, a BOP or general liability and property for the office, and management liability as you grow. Premium is driven by your profession, revenue, the clients and projects you take on and your claims history; The Hartford, for example, reports average minimum E&O premiums of $73 a month for accountants and $239 for architects and engineers (opens in a new tab). Where it goes wrong: a claims-made retroactive date lost when switching carriers, a client contract that demands limits or terms the policy does not meet, and wire fraud that neither the E&O nor the BOP covers.
Professional Services businesses we insure
Aiden works with professional services firms from small practices to mid-market firms in its 16 licensed states.
Law firms
Lawyers professional liability is a specialized form, and trust account wire fraud and client data make cyber and crime cover just as important.
Accounting and tax firms
Accountants E&O covers audit, tax and advisory work, and tax preparers are covered financial institutions under the FTC Safeguards Rule.
Consulting firms
Clients' MSAs set the insurance terms, and broad scopes of work make the definition of professional services in the policy critical.
Staffing firms
Placed workers create EPLI, workers' compensation and client property exposures, and client contracts usually require third-party EPLI.
Marketing and creative agencies
Copyright, trademark and advertising injury claims sit alongside E&O, so media liability matters as much as professional liability.
Engineering and architecture
Design errors can lead to bodily injury and property damage claims years after a project closes, which makes retro dates and project-specific limits central.
Why professional services is hard to insure
In professional services, the claim is almost always about the work: a missed deadline, a wrong number, a design flaw or a deliverable the client says fell short. Fraud and employment claims follow close behind: business email compromise losses reported to the FBI rose to $3.05 billion (opens in a new tab) in 2025, and the EEOC processed 88,201 new charges (opens in a new tab) in fiscal 2025.
A client says your work cost them money
A missed filing deadline, a tax error, a flawed recommendation or a campaign that breached a client's brand rules all lead to the same claim: pay for our loss. Defense costs alone can be significant even when the claim has no merit.
A design error that surfaces years later
For engineers and architects, a structural, code or specification error can lead to property damage or injury claims long after the project is complete. This is why the retroactive date on a claims-made policy matters so much.
AI-assisted work that goes wrong
In Mata v. Avianca (opens in a new tab), a federal court in New York imposed a $5,000 penalty on a law firm and its attorneys after a brief cited fake opinions generated by ChatGPT. Any firm using AI on client work faces the same question: who checked it.
A wire diverted from a client or trust account
A spoofed email changes payment instructions on a settlement, closing or invoice. Business email compromise was the second largest loss category in the FBI's 2025 report (opens in a new tab), and E&O policies often exclude it, so it needs crime or cyber cover with social engineering.
A breach of client files
Firms hold tax returns, legal files, payroll data and confidential deals. The average US breach cost $10.22 million (opens in a new tab) in IBM's 2025 report, and accounting and tax firms carry federal safeguarding duties on top.
Employment and placed-worker claims
Staffing firms face harassment and discrimination claims from placed workers and from client employees, and every firm faces claims from departing professionals. Partner and producer departures often bring disputes over clients and compensation.
The coverage professional services firms actually need
Professional liability (E&O)
Covers claims that your advice, services or deliverables caused a client financial loss, including defense costs. For most firms in this sector it is the policy that matters most.
Watch for: The definition of professional services, which must match everything you actually do, and the retroactive date. Check whether defense costs erode the limit and whether fee disputes are excluded.
Cyber liability
Pays breach response, notification, ransomware, business interruption and privacy claims when client files are exposed. Law, accounting and HR-adjacent firms hold some of the most sensitive data there is.
Watch for: Social engineering and funds transfer fraud sublimits, coverage for client funds as well as your own, and whether regulatory defense is included.
Employment practices liability (EPLI)
Covers discrimination, harassment, retaliation and wrongful termination claims. Staffing firms need third-party coverage for claims by client employees and placed workers.
Watch for: Third-party coverage for staffing and client-facing staff, wage and hour exclusions, and how claims from departing partners or owners are treated.
Business owner's policy or general liability and property
Covers office property, business interruption and third-party injury or property damage at your office or a client's site. Most office leases and many client contracts require GL.
Watch for: A BOP does not cover professional mistakes. Architects, engineers and staffing firms may not qualify for a BOP and need GL and property written separately.
Management liability (D&O, crime, fiduciary)
Protects owners and leaders from claims by investors, lenders and regulators, covers employee theft, and with the right endorsement covers social engineering fraud. Firms with a 401(k) also face fiduciary exposure.
Watch for: Professional services exclusions on D&O that push client claims to E&O, social engineering sublimits on crime, and the difference between fiduciary liability insurance and the ERISA fidelity bond, which is a separate product.
Media and intellectual property liability
Agencies, publishers and consultants who create content face copyright, trademark and defamation claims. Some E&O forms include media liability and many do not.
Watch for: Exclusions for content created by subcontractors or AI tools, and whether advertising injury is covered on the GL or needs a media policy.
What professional services insurance costs
There is no single price for professional services firms. These are the factors carriers weigh most when they quote one.
Your profession and practice areas
Engineering and architecture, securities law, audit and real estate work price higher than lower-severity work. Underwriters ask for a revenue split by service line.
Revenue and client size
E&O is usually rated on revenue or fees. Larger clients and larger projects mean larger potential losses and higher required limits.
Contract terms
Agreeing to broad indemnities, uncapped liability or guarantees of results adds exposure a policy may not cover. Engagement letters with clear scopes help both pricing and claims.
Claims history and continuity
Prior claims, and gaps in coverage, follow you. A continuous claims-made history with a preserved retroactive date is valued by underwriters.
Data and money controls
MFA, encryption, client portal use and callback verification for wire changes affect cyber and crime pricing and sublimits.
Headcount, turnover and states
EPLI is priced on employees, turnover and where they work. Staffing firms are rated on placed workers and the industries they place into.
Limits and deductible
Higher limits cost more, and a higher deductible lowers premium. The Hartford notes its professional liability limits can range between $250,000 and $2 million (opens in a new tab).
Published cost benchmarks
Figures published by the sources shown, for context. They are not quotes: your premium depends on the factors above.
- $239 a monthArchitects and engineers E&O, average minimum monthly premiumSource: The Hartford (opens in a new tab)
- $73 a monthAccountants E&O standalone, average minimum monthly premiumSource: The Hartford (opens in a new tab)
- $86 / $85 / $107 a monthBOP, average monthly premium: business consulting / accountants / engineeringSource: The Hartford (opens in a new tab)
- $720 / $604 / $500 a yearGeneral liability, average annual premium: business consulting / accountants / engineeringSource: The Hartford (opens in a new tab)
What clients, contracts and regulators will ask for
For professional services firms, insurance requirements mostly come from clients, landlords and, for some professions, federal rules.
- Client MSAs and engagement agreements commonly require professional liability, cyber and GL, sometimes umbrella, with limits often specified in the contract. Many also require the coverage to be maintained, or a tail purchased, for a period after the work ends.
- Indemnity and limitation of liability clauses decide how much of a client's loss you carry. A policy's contractual liability exclusion may not cover obligations you accept beyond your ordinary legal liability.
- Accounting and tax preparation firms are covered financial institutions under the FTC Safeguards Rule and must maintain an information security program, according to IRS guidance from July 2026 (opens in a new tab).
- Staffing clients usually require workers' compensation, GL and EPLI with third-party coverage, and may ask to be named as additional insured where the policy allows.
- Office leases typically require GL and property with the landlord named as additional insured.
- Benefit plans: firms that sponsor a 401(k) generally need an ERISA fidelity bond, a separate product that Aiden does not place.
How Aiden Risk solves each of these problems
An AI risk engine built for commercial insurance, a licensed broker on every account, and 100+ carriers, including admitted and surplus lines markets, so one partner handles the whole program.
| The problem | How Aiden Risk solves it |
|---|---|
| A client contract asks for limits and terms we are not sure we meet. | A licensed broker reviews the insurance and indemnity clauses in your MSA or engagement letter against your policies, advises on limits and endorsements, and issues the certificate once coverage matches. |
| We switched E&O carriers and worry our past work is not covered. | Your broker manages claims-made retroactive dates when you move carriers and arranges tail coverage when you retire, merge or close. See the retroactive date trap. |
| Our E&O does not describe everything we actually do. | Your broker reviews the policy's definition of professional services against your real service lines and shops 100+ carriers, including surplus lines, for wording that fits. |
| A spoofed email could redirect a client payment. | Your broker reviews how your crime and cyber policies treat social engineering and funds transfer fraud, advises on sublimits, and negotiates with carriers for cover that matches how money moves through your firm. |
| We hold sensitive client data and do not know if our cyber limit is enough. | Aiden's AI risk engine analyzes 140+ signals about your business, including CVE vulnerability databases, live cyber threat feeds, breach history and industry peer benchmarks, and a licensed broker advises on limits from there. |
| Our staffing clients require third-party EPLI. | Your broker advises on EPLI with third-party coverage and on the other lines your client contracts require, and shops carriers that write staffing firms. |
| We have outgrown a basic BOP. | Aiden runs a coverage gap analysis before binding and places BOP, GL, E&O, cyber, EPLI and management liability across 100+ carriers so the policies fit together. |
| Our firm keeps changing: new partners, services and clients. | The AI monitors your risk year-round, and a licensed broker acts on every change it flags. |
| We do not have time for a long insurance process. | Intake takes 5 minutes, and most straightforward businesses are placed in as little as 48 hours. Aiden Risk charges no fee to work with it, with no platform fee or subscription; it is paid through standard carrier commissions. |
Aiden Risk charges no fee to work with it, with no platform fee or subscription; it is paid through standard carrier commissions. Licensed in 16 states, listed on our licenses page.
Professional Services insurance questions, answered
What insurance does a professional services firm need?
Most need professional liability (E&O), cyber, EPLI and a BOP or general liability and property. As firms grow, management liability (D&O, crime and fiduciary) and umbrella coverage follow. Client contracts and leases often set the minimum limits.
Is professional liability the same as E&O insurance?
Yes, the terms are used interchangeably. Some professions have their own names and forms, such as lawyers professional liability, accountants professional liability and architects and engineers professional liability. Each is written for that profession's specific risks.
How much does professional liability insurance cost?
The Hartford reports average minimum monthly premiums of $73 for accountants and $239 for architects and engineers (opens in a new tab) among its small business customers. Your price depends on your profession, revenue, practice areas, limits, deductible and claims history.
What is a retroactive date and why does it matter?
Most professional liability policies are claims-made, so they cover claims made during the policy period for work done after the retroactive date. If a new carrier resets that date, work you did before it may be uncovered. Keep the date when you switch, and buy a tail when you retire or close. See the retroactive date trap.
Does a BOP cover professional mistakes?
No. A BOP covers property, business interruption and general liability for bodily injury and property damage. A claim that your advice or work cost a client money needs professional liability. See our guide to BOP insurance for professional services.
Does E&O cover mistakes made with AI tools?
It may, since many E&O policies cover errors in professional services regardless of the tools used, but wording varies and some carriers are adding AI-specific questions or exclusions. Check how your policy defines professional services and whether it excludes AI-generated work.
Guides for professional services firms
- BOP Insurance for Professional Services: The Coverage Gaps Nobody Explains at Purchase
- The Retroactive Date Trap: How Professional Services Firms Lose Prior Acts Coverage When They Switch Carriers - and What It Costs to Fix It
- Claims Made vs. Occurrence Policy: Which One Protects You
- Why EPLI Is the Coverage Line Every Mid-Market CFO Thinks They Don't Need - Until They Do
- Management Liability Insurance: D&O, EPL, and Fiduciary in One Package
Ready to see your options?
A licensed broker reviews your current policies and contracts, compares 100+ carriers and comes back with real options for professional services firms.
Prefer to talk? Call (650) 292-2812