The Two Coverages Every Founder Confuses
Ask ten software founders to explain the difference between technology errors and omissions (Tech E&O) and professional liability, and you'll get ten different answers — most of them wrong. The terms get used interchangeably by brokers, bundled together on policy declarations, and buried under acronyms that mean nothing until a client threatens to sue.
The distinction matters because the wrong coverage leaves a gap exactly where your biggest risk lives. A SaaS company that buys professional liability thinking it covers a product bug, or an agency that buys Tech E&O thinking it covers bad consulting advice, can find a claim denied at the worst possible moment.
Here's how the two actually divide up the risk.
Tech E&O: When Your Product Fails
Technology E&O responds when the technology you build, sell, or host causes financial harm — not because you were negligent in a meeting, but because the product itself didn't perform.
- Software bugs and defects: A pricing engine miscalculates and overcharges thousands of customers, or a logic error corrupts client data. Tech E&O covers the resulting financial claims.
- Downtime and outages: Your platform goes dark for 14 hours and a customer misses a critical billing run. If your SLA promised 99.9% uptime, the breach-of-contract claim lands here.
- SLA and contract breaches: Service-level agreements create enforceable promises. When the product can't keep them, Tech E&O is the policy that answers.
- Failure to deliver promised functionality: You sold an integration that never worked as marketed and a customer claims lost revenue.
The common thread: the product disappointed, and a customer suffered a financial (not physical) loss. This is the coverage SaaS and platform companies cannot operate without.
Professional Liability: When Your Advice or Service Fails
Professional liability (often called errors & omissions in non-tech contexts) responds to negligence in the services you perform — the human work, not the shipped product.
- Consulting and advisory work: You architect a client's infrastructure, they follow your recommendation, and it fails to scale. The claim is about your professional judgment.
- Custom development engagements: An agency builds a bespoke application, misses requirements, or delivers late, and the client alleges the work fell below professional standards.
- Implementation and integration services: You're hired to deploy a third-party system and a configuration mistake causes losses.
- Missed deadlines and scope failures: Service-based claims about how the work was performed, not how a packaged product behaved.
For product companies (pure SaaS), Tech E&O carries the weight. For dev shops and agencies that sell hours, judgment, and custom builds, professional liability is front and center. Most real businesses do both — which is why the coverages are so often bundled.
Why General Liability Covers Neither
This is the most expensive misunderstanding in the space. General liability (GL) covers bodily injury and property damage — a visitor slips in your office, a contractor damages a client's server room. It is the coverage clients ask for in vendor agreements because it's familiar.
But GL explicitly excludes the economic and intangible losses that software work creates. A bug, an outage, a botched integration, lost client revenue — none of it is bodily injury or physical property damage, so GL simply doesn't respond. You can carry a perfect GL policy and still be fully exposed to every claim your software actually generates.
How They Fit Together
For most software businesses, the right structure is:
- Tech E&O + Professional Liability combined into one technology errors policy that covers both product and service failures — most carriers write them together.
- General Liability for the physical-world risks, often packaged into a business owner's policy (BOP).
- Cyber liability layered on top, because a data breach is a different exposure than a coding error.
Get the Coverage Mapped to Your Actual Risk
At Contractors Choice Agency, we help web app startups, SaaS companies, and development agencies match coverage to how they actually make money — so there's no gap between the policy you bought and the claim you face. Whether you ship a product, sell services, or both, we'll structure Tech E&O and professional liability the right way.
Call us at 844-967-5247 to talk through your exposure and get a quote built for software companies.