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Understanding the Limitation of Liability (LOL) clause in professional services agreements

November 5, 2026

Understanding the Limitation of Liability (LOL) clause in professional services agreements

In the realm of professional services agreements, the Limitation of Liability (LOL) clause often becomes a point of contention between design professionals and their clients. While some clients and attorneys may resist including an LOL clause, it is crucial for design professionals to understand its significance and effectively communicate its benefits to their clients. This technical brief delves into the features and benefits of the LOL clause, providing insights into what design firms should consider when negotiating this clause with their prospective clients.

Introduction to the LOL clause

The Limitation of Liability (LOL) clause is a contractual provision that design professionals negotiate with their clients. As the name suggests, this clause limits the liability of the design professional, ensuring that their exposure to potential claims is capped at a certain amount. This clause is essential for design professionals as it provides a safeguard against unlimited liability, which could otherwise jeopardize their business.

The Importance of the LOL clause

Without an LOL clause, design professionals assume essentially unlimited liability. This means that in the event of a claim, the design professional could be held responsible for damages far exceeding their fees for the project. The LOL clause is an appeal to fairness, attempting to allocate risk proportionately to the profits and benefits derived by each party involved in the project. Design professionals typically earn a relatively small percentage of the overall profit compared to contractors and owners, who stand to gain significantly more from the project.

Negotiating the LOL clause

When negotiating the LOL clause, design professionals should aim for broad wording. Unlike indemnity clauses, which should be narrowly drafted to limit the design professional’s obligations, the LOL clause should be expansive. It should cover all-potential damages and causes of action (be they based on breach of contract, negligence, strict liability, or any other theory) that may arise from the professional services or the project. A well-drafted LOL clause provides comprehensive protection to the design professional.

Recommended LOL clause language

A standard recommended LOL clause might read as follows:

"To the fullest extent permitted by law, the total liability in the aggregate of the professional and the professional’s officers, directors, employees, agents and consultants to the client and anyone claiming by, through, or under the client for any and all injuries, claims, losses, expenses, or damages whatsoever arising out of or in any way related to professional services, the project, or this agreement, including but not limited to negligence, strict liability, breach of contract, or breach of warranty, shall not exceed the total compensation received by the professional under this agreement or the total amount of X, whichever is greater.”

This language ensures that the design professional's liability is capped at a reasonable amount, typically tied to their fees or a negotiated sum.

Considerations for the dollar amount

Determining the appropriate dollar amount for the LOL clause can be challenging. Courts generally require that the design professional has some “skin in the game,” meaning they must assume some level of liability. A common approach is to tie the liability amount to a multiple of the professional’s fees. Alternatively, the liability amount can be tied to the available proceeds of the professional’s insurance at the time of claim resolution. This ensures that the design professional’s liability does not exceed their insurance coverage.

Negotiation strategies

Design professionals may encounter resistance from clients or their attorneys when proposing an LOL clause. It is essential to have a conversation to understand the client’s concerns and address them. One strategy is to offer additional insurance coverage, such as a specific job excess policy, to satisfy the client’s requirements. This additional coverage can be negotiated as part of the project costs, ensuring that the design professional's liability remains capped.

Learning from contract negotiations

The contract negotiation phase provides valuable insights into the client's expectations and risk tolerance. If a client is unwilling to accept an LOL clause or demands unreasonable terms, it may indicate potential challenges in the project. Design professionals should use this opportunity to educate clients about the importance of the LOL clause and the limitations of professional liability insurance. Clear communication and documentation during this phase can help manage expectations and mitigate future disputes.

Consistency in subconsultant agreements

For design professionals acting as prime consultants, it is crucial to ensure consistency in subconsultant agreements. If the prime consultant lacks an LOL clause with the client, they should not accept subconsultant agreements that include LOL. Inconsistent agreements can expose the prime consultant to significant liability if a subconsultant’s negligence leads to damages in excess of any LOL amount. Reviewing subconsultant agreements carefully and ensuring alignment with the prime agreement is essential.

Project-Specific insurance policies

For large projects, design professionals should consider project-specific insurance policies (PSPL). These policies provide dedicated coverage for the project, protecting the design team’s practice policies. Including an LOL clause tied to the proceeds of the PSPL policy ensures that the design professional's liability is capped at the project-specific coverage amount. This approach benefits all parties, including the owner, by providing comprehensive insurance protection.

Conclusion

The Limitation of Liability (LOL) clause is a vital component of professional services agreements for design professionals. It provides essential protection against unlimited liability, ensuring that the design professional's exposure is capped at a reasonable amount. By negotiating broad and well-drafted LOL clauses, design professionals can safeguard their business and manage risk effectively. Clear communication, consistency in subconsultant agreements and consideration of project-specific insurance policies further enhance the protection provided by the LOL clause. Design professionals should prioritize the inclusion of LOL clauses in their contracts and educate clients about their importance to achieve successful and fair project outcomes.

Disclaimer

WTW hopes you found the general information provided here informative and helpful. The information contained herein is not intended to constitute legal or other professional advice and should not be relied upon in lieu of consultation with your own legal advisors. In the event you would like more information regarding your insurance coverage, please do not hesitate to reach out to us. In North America, WTW offers insurance products through licensed entities, including Willis Towers Watson Northeast, Inc. (in the United States) and Willis Canada Inc. (in Canada).

Contact

Dan Buelow, Managing Director A&E

Dan Buelow

Managing Director A&E

Dan is the Managing Director of WTW A&E, the specialty division for WTW that is exclusively dedicated to providing insurance and risk management solutions to architects and engineers. Dan and his staff of A&E insurance specialists represent over 500 architectural and engineering firms located across the country and practicing throughout the world. Dan and his team provide tailored risk management services, including contract negotiation, claims advocacy and a wide variety of risk management education workshops. Dan is on the ACEC National Risk Management Committee (RMC) and chairs the Cyber Sub-Committee. Dan is active in ACEC, AIA and other associations that support the design community. Dan speaks frequently and has written and presented on a wide range or risk management topics for architects and engineers.

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Architects & Engineers