General Liability vs. Professional Liability: Which One Do You Actually Need?

When a client asks for proof of insurance, they usually ask for a "certificate of insurance" showing general liability coverage. So most business owners get a GL policy, file the certificate, and consider the insurance question answered.

Then they give a client bad advice. Or make an error in their work. Or miss a deadline that costs the client money. And they find out their general liability policy does not cover any of it.

Understanding the difference between general liability and professional liability is not just an insurance technicality. It is the difference between being covered and being personally liable for a claim that could run into six figures.

What General Liability Insurance Covers

General liability (GL) insurance covers physical harm — bodily injury and property damage — caused by your business operations.

Classic GL scenarios:

• A client visits your office and trips over a cable, breaking their wrist
• You are doing work at a client's property and accidentally damage their flooring
• A product you sold causes injury to a customer
• Your advertising is alleged to infringe on a competitor's copyright

GL also typically includes personal and advertising injury coverage, which covers claims of libel, slander, false advertising, and copyright infringement in your marketing.

What GL does not cover:

• Mistakes, errors, or omissions in your professional services
• Bad advice that costs a client money
• Failure to deliver work on time or to specification
• Breach of contract claims arising from your professional services

If your business involves giving advice, providing expertise, or delivering a professional service — and a client claims your work caused them financial harm — general liability will not respond.

What Professional Liability Insurance Covers

Professional liability insurance (also called errors and omissions, or E&O) covers claims that your professional services caused a client financial harm due to a mistake, error, omission, or failure to perform.

Classic professional liability scenarios:

• An accountant files a tax return with an error that triggers an IRS audit and penalties
• A consultant recommends a strategy that loses the client money
• An IT company installs software incorrectly, causing data loss
• An architect's plans contain an error that requires expensive rework
• A contractor fails to meet a project specification, and the client sues for the cost of correction

Professional liability is claims-made coverage in most cases, meaning the policy in force when the claim is filed — not when the work was done — is the one that responds. This is important for businesses that do long-term projects or whose work could be questioned years after completion.

What professional liability does not cover:

• Bodily injury or property damage (that is GL's job)
• Intentional wrongdoing or fraud
• Criminal acts
• Employment practices claims (those require EPLI coverage)

The Key Distinction: Physical Harm vs. Financial Harm

The simplest way to remember the difference:

• General liability = someone gets hurt or something gets broken
• Professional liability = someone loses money because of your work

A plumber who accidentally floods a client's basement needs GL coverage. A financial advisor who recommends a bad investment needs professional liability coverage. A management consultant who does both — advises clients and sometimes works on-site — needs both.

Which Businesses Need Professional Liability in Texas?

Any business that provides advice, expertise, or professional services for a fee should carry professional liability. This includes:

Traditional professions:

• Accountants and CPAs
• Attorneys
• Architects and engineers
• Financial advisors
• Insurance agents

Technology and consulting:

• IT consultants and managed service providers
• Software developers
• Marketing and advertising agencies
• Management consultants
• HR consultants

Healthcare and wellness:

• Physicians and nurses (medical malpractice is a form of professional liability)
• Physical therapists
• Mental health counselors
• Nutritionists and dietitians

Contractors with design-build or specification responsibilities:

• General contractors who provide design services
• Specialty contractors who specify materials or systems
• Project managers

Note for contractors: Standard GL policies exclude professional services. If you provide any design, specification, or consulting as part of your work — even informally — you may need a contractor's professional liability endorsement or a separate E&O policy.

Do You Need Both?

For most service businesses, yes.

A marketing agency that works in a client's office needs GL in case someone trips over their equipment. They also need professional liability in case a campaign underperforms and the client claims the agency's work cost them revenue.

A management consultant who travels to client sites needs GL for on-site incidents and professional liability for advice-related claims.

Even businesses that primarily do physical work — like contractors — increasingly need both. A GC who provides project management, scheduling, or design services has professional liability exposure that a standard GL policy will not cover.

How Much Does Each Policy Cost in Texas?

General liability for a small professional services firm typically runs $500–$1,500 per year for $1M/$2M limits. Contractors and higher-risk trades pay more.

Professional liability varies significantly by industry and revenue:

• Consultants and marketing agencies: $800–$2,500 per year
• Technology companies: $1,500–$5,000 per year
• Architects and engineers: $2,000–$8,000 per year
• Healthcare professionals: varies widely by specialty

A business owner's policy (BOP) bundles GL with commercial property coverage and is often the most cost-effective starting point for small businesses. Professional liability is typically purchased separately.

What to Look for in a Professional Liability Policy

Retroactive date: Claims-made policies cover incidents that occurred after the retroactive date. Make sure your retroactive date goes back far enough to cover your existing work.

Prior acts coverage: If you are switching insurers, confirm that your new policy covers claims arising from work done under your previous policy.

Defense costs: Some policies pay defense costs inside the limit (reducing what is available for settlement). Outside-the-limit defense costs are better.

Consent to settle: Some policies require your consent before settling a claim. This matters if you want to fight a claim rather than settle.

Tail coverage: If you cancel a claims-made policy, you may need an extended reporting period (tail) to cover claims that come in after cancellation for work done while the policy was active.

Getting the Right Coverage for Your Business

The right combination of GL and professional liability depends on what your business does, who your clients are, and what contracts you sign. An independent agent can review your operations and build a coverage program that addresses your actual exposures — not just what a client's certificate request requires.

McKnight Insurance works with professional services firms, consultants, contractors, and technology companies across Texas. We can help you understand your exposures and find coverage that fits.

Call us at 817.277.6166 or get a quote online.

Key Takeaways

• General liability covers physical harm — bodily injury and property damage
• Professional liability covers financial harm from errors, omissions, or bad advice
• Most service businesses need both policies
• Contractors who provide design or specification services have professional liability exposure
• Professional liability is typically claims-made — the policy in force when the claim is filed responds
• Work with an independent agent to make sure your coverage matches your actual operations