Operating Without Professional Liability Insurance: A Risk No Engineering Firm Can Afford
Eman Wilder, CPIA, CISR, M.ASCE Account Executive—ASCE Member Insurance
Engineering firms make decisions every day that impact public safety, the structural performance of buildings, and projects valued at millions of dollars. Shockingly, some firms continue to operate without professional liability insurance, leaving themselves exposed to unforeseen, and often serious, losses. Sadly, these losses can cause irreversible harm both to the firm itself and to the public.
In a profession where a single oversight can trigger cascading consequences, operating without coverage is more than a cost-saving decision—it is a gamble that can threaten the firm’s survival and the personal financial security of its principals.
No Firm Is Immune to Claims
Engineering is grounded in expertise and precision, but it is not immune to error, unforeseen conditions, or evolving standards. Claims frequently arise from design miscalculations, drainage or grading issues, vague specifications, or failures that surface years after project completion.
Experience does not prevent lawsuits. Even firms that follow widely accepted professional standards can be drawn into litigation when a project underperforms or a client faces unexpected costs.
A Real-World Claim Scenario
Consider a mid-sized civil engineering firm hired to design stormwater management for a commercial development. The design met local code requirements at the time of approval. Several years later, unusually heavy rainfall overwhelmed the system, causing flooding that damaged adjacent properties.
The property owners filed suit, alleging the design failed to adequately account for foreseeable conditions. The firm believed it had done nothing wrong. Regardless, legal defense costs quickly exceeded $120,000; expert witnesses were required, project files had to be reconstructed, and staff time was diverted from revenue-generating work.
Ultimately, the case settled for $450,000 to avoid the risk of a jury verdict. Without professional liability insurance, the firm paid every dollar out of pocket. As a result, a line of credit was exhausted, expansion plans were abandoned, and one principal was forced to contribute personal funds to keep the business operating.
Immediate Consequences
Professional liability claims against engineering firms commonly range from $50,000 to $500,000, with complex cases climbing far higher. Defense costs alone, regardless of fault, can cripple an uninsured firm.
These expenses often arrive at the worst possible time, disrupting cash flow, delaying projects, and putting payroll and vendor relationships at risk.
Additionally, once a claim escalates, reputational damage spreads quickly within the engineering and construction community, often faster than the facts.
Operating without professional liability insurance can also shut doors. Many public agencies and sophisticated private clients require proof of coverage before awarding contracts. Without it, firms may be excluded from major opportunities and viewed as higher-risk partners.
Personal Assets May Be at Risk
For firm owners, the risk can extend beyond the business. In certain cases, plaintiffs may pursue personal assets in professional negligence claims. Homes, savings, and retirement accounts may be exposed, turning a business dispute into a personal financial crisis.
A Smarter Path Forward
Professional liability insurance is a fundamental part of responsible engineering practice. It protects firms from catastrophic loss and provides access to experienced claims defense and risk management support.
In a high-stakes profession, operating without professional liability insurance is a risk no engineering firm can afford—one claim can erase years of success. The bottom line is that coverage costs money, but operating without professional liability insurance can cost firms and principals so much more.
