The principle. A yes/no close gives equal weight to no. An assumptive close removes "no" as an option entirely and pivots to which yes.
Wrong: "So, do you want to move forward today?" Right: "Are you putting this on the personal card or the business card?" Right: "Do you want the Tuesday or Thursday onboarding slot?" Right: "Should I send the contract to your work email or personal?"
Why it works. The prospect's brain processes the smaller decision (Tuesday vs Thursday) and skips the larger commitment decision they were dreading. Once they answer the small question, the big one is already decided.
When to use. Only after you've handled their objections and the buying signals are present. Used too early, it feels manipulative and triggers resistance.
The honesty test. If they say "wait, I haven't decided yet," your response should be calm and non-defensive: "Totally fair — what's still open for you?" If you panic or backpedal, you'll lose trust. The assumptive close should be a confident bet, not a trick.
Pair with silence. After the assumptive ask, count to 7. Let them answer. Don't soften, don't add "if that works for you."