Insurance coverage comparison software: document every coverage change

Graham Sabin
Co-founder, CopyCat
Published June 10, 2026 · 6 min read

Every commercial renewal carries quiet E&O exposure. A sublimit drops, an exclusion gets added, a retroactive date shifts back six months. The producer notices on the read but forgets to flag it. The client signs. Three months later a claim hits the coverage that quietly moved, and the conversation turns into “why didn't you tell me?”

The defense in that conversation is the paper trail. Not memory of a phone call. Not a clean intent. Written documentation that the change was identified, surfaced to the client, and acknowledged before bind.

That paper trail is what Coverage Comparison was built to produce.

What Coverage Comparison actually does

Upload the expiring policy and the renewal quote. CopyCat reads both end to end, pulls every limit, sublimit, deductible, endorsement, exclusion, retroactive date, and aggregate, then lines them up side by side. Nothing is summarized away. Nothing is missed because it lived on page 47 of a 60-page form.

Severity flags do the prioritization

The output ranks every change with HIGH, MEDIUM, or LOW severity:

• HIGH: coverage materially shifted (limit cut, exclusion added, deductible doubled, retroactive date pushed forward).
• MEDIUM: terms moved but exposure is bounded (sublimit reshuffled, endorsement language tightened, named insured definition narrowed).
• LOW: housekeeping changes the client should still see (form number updates, schedule edits, contact changes).

The producer reviews the flags, picks what to walk through, and sends. The document captures the rest.

Every flag cites the page

Each finding links to the exact page of the source policy or quote where the change appears. The client can verify. The file has the evidence. If E&O ever asks how the change was identified, the answer is in the report.

Why this is CYA

The E&O playbook on a coverage dispute is consistent: did the broker identify the change, did they disclose it to the client, did the client acknowledge it. A Coverage Comparison report attached to the proposal closes the first two on its own. When the client opens it, scans the HIGH flags, and signs the binder, you have written acknowledgement on the third.

That sequence used to require a producer to manually read 80 pages of policy form, transcribe the deltas into a Word doc, send it as a follow-up, and chase a written response. Most producers do it for the top 10 percent of accounts and skip it on the rest. Coverage Comparison turns it into the default for every renewal because it ships with the proposal.

What the report actually contains

• Side-by-side limit comparison across every line of coverage.
• Endorsement-by-endorsement diff with added and removed clauses called out.
• Exclusion comparison with new exclusions tagged as HIGH severity.
• Retroactive date and prior acts shifts on claims-made policies.
• Aggregate and per-occurrence movement in plain language.
• A summary section the client can read in 90 seconds.
• Page citations to the source carrier PDFs on every line.

The producer time math

Doing this by hand on a 5-line commercial account is a half-day of senior work. Doing it on every renewal across a book of 200 accounts is impossible. Doing it on a $50K account where the margin does not support the labor is economically untenable.

CopyCat runs the same depth of analysis on a 2-line account as on a 40-line one, at the same speed, with the same paper-trail output. The CYA layer is no longer reserved for the top of your book.