Sales · Kit & File Field Notes
How to Run a Discovery Call for a Fixed-Scope Service
A 25-minute discovery call for a fixed-scope service: a timed agenda, questions in order, no free consulting, and one clear next step before you hang up.
Your calls run long, drift into free advice, and end with "send me something". Then nothing. The fix isn't a better pitch. It's a shorter, stricter call.
What the call is for
When you sell a fixed-scope offer, the discovery call isn't a design session. You already know what you sell. The call checks four things: does their problem fit the offer, what's it costing them, who decides, and when.
I think of it as a qualifying interview that runs in both directions. You're checking them as much as they're checking you.
A good call won't turn a poor-fit buyer into a good one.
Saying no is part of the method.
Before the call: know three things
- Know your offer. The deliverable, the exclusions, the price, and the timeline. If those are fuzzy, fix the one-page scope first.
- Know your minimums. The smallest budget and the shortest timeline you'll accept.
- Know your disqualifiers. The signals that mean "not a fit", such as needing work your scope excludes or having no one who can approve the spend.
If the prospect came in through outreach, reread the sales message they answered, so the call starts from the same promise.
A 25-minute agenda, with the questions in order
How long should it be? Set the length when you book and end on time. I'd keep it to about 30 minutes, not an hour.
- Minutes 0 to 2: frame. "I'd like to understand what's going on, check whether my service fits, and agree a next step. Does that work?"
- Minutes 2 to 10: situation and problem. What's happening now? What isn't working? What have you tried?
- Minutes 10 to 15: impact. What's this costing you in time, money, or missed work? What happens if nothing changes?
- Minutes 15 to 20: decision. Who else is involved? When do you want this done? What budget range have you set aside?
- Minutes 20 to 25: fit and next step. Explain what the fixed scope covers and what it doesn't, then agree what happens next.
Let them do most of the talking. Write notes in their words, because you'll reuse them in the proposal.
Diagnose, don't solve
Treat the call as diagnosis, not treatment. Name the problem back to them, explain how your service addresses it, and keep the how for the paid work.
- Say: "It sounds like the real issue is X, and that's what this service is built to fix."
- Skip: walking through your full method or drafting their plan live.
- Steer back when the conversation drifts into delivery: "Good question for the project itself. For today, let me check the last couple of details."
If they ask for something your scope excludes, say so on the call. The out-of-scope guide covers the wording.
End with one next step and a same-day recap
End with a decision: the next step, the decision timeline, and who owns it.
- If it fits: "I'll send a one-page proposal by Thursday, and you'll decide by the 15th." Then write the fixed-scope proposal.
- If it doesn't: say so, and point them to what might help instead.
The recap email
Send it the same day, in a few lines:
- Restate what you heard: their problem, in their words.
- Confirm what you agreed: the next step and its date.
- List what you need from them, if anything.
Put the next date in your pipeline. If the proposal goes out and the line goes quiet, the proposal follow-up guide picks up from there.
Free call or paid call?
Either can work. Some owners keep short fit calls free with a firm agenda. Others charge for longer diagnostic sessions. Decide on purpose and say which it is when you book.
Kit & File's own services page is one example of a free call with clear limits: the 15-minute call confirms fit, fixed scope, timing, and decision readiness, and it's not a free strategy session.
Short call. Clear answer. One next step.
Questions
Frequently asked questions
What is a discovery call?
A short conversation to check whether a prospect's problem fits a service you offer, what the problem is costing them, who decides and when, and what happens next.
How long should a discovery call last?
For a fixed-scope service, 20 to 30 minutes is usually enough if you follow an agenda. Set the length when you book and end on time.
What are good discovery call questions?
Ask about the current situation, what isn't working, what it costs them, who decides and by when, and whether your fixed scope covers what they need.
How do I stop discovery calls turning into free consulting?
Diagnose, don't solve. Reflect the problem back clearly and explain how your service addresses it, but keep the detailed solution for the paid work.
What should happen after a discovery call?
Send a short recap the same day with the agreed next step and date, usually a one-page proposal and a decision date, or a clear note that it's not a fit.
Should I charge for discovery calls?
It depends on the call. Short fit calls with a firm agenda are often free, and longer diagnostic sessions are often paid. Decide in advance and say which it is when you book.
Put the guide to work
Service Sales Message Kit
The Service Sales Message Kit includes a sales-call opener and five discovery questions, written for one service you already sell and one buyer type.
See the service →