I Lost a £6,000 Deal Because I Forgot to Follow Up. Here's What I Built.

This is the story of the deal that shouldn't have gone cold. And what I did about it.

It was a Tuesday afternoon. I'd just finished a 45-minute call with a marketing director at a mid-sized e-commerce brand. The call had gone well — genuinely well. She'd asked detailed questions about timelines, mentioned that their Q3 budget was confirmed, and said she'd need to loop in her operations lead before signing off.

I said I'd send a follow-up that afternoon with a proposal outline.

I didn't.

Not because I didn't want to. I got pulled into an urgent client fire. Then I had another call. Then it was 6pm and I told myself I'd do it in the morning. Morning became afternoon. Afternoon became "I'll do it properly on Monday when I have time to think."

Three weeks later I saw on LinkedIn that she'd announced a new agency partnership.

That was my project. I just forgot to follow up.

The worst part

The worst part wasn't losing the revenue. It was knowing it was entirely avoidable. The call had gone well. She was interested. If I'd sent a decent follow-up within 24 hours, the proposal would have been on her desk before she started talking to other agencies.

I started tracking how often this happened. Not just with that deal — with all of them. I went back through my calendar and looked at every sales call I'd had in the previous six months. Then I checked which ones had converted.

The pattern was stark. Every deal I'd followed up on within 24 hours had either converted or produced a clear no. Every deal where I'd delayed more than 48 hours had gone quiet. No answer. No rejection. Just silence.

What I tried first

I tried everything the productivity internet tells you to try. I set calendar reminders. I created a Notion template for follow-up emails. I tried HubSpot. I tried Pipedrive. I used ChatGPT to draft follow-ups faster.

Each solution worked for about two weeks. Then I got busy. The calendar reminders fired and I snoozed them. The Notion template required me to remember to open it. HubSpot required me to log the call. ChatGPT required me to remember to use it and paste in enough context for a decent output.

None of them solved the actual problem. The actual problem wasn't that I needed a better template or a smarter AI. It was that the friction between finishing a call and sending a good follow-up was too high for a person with too many things to do.

What I built instead

I built Nudgr. The idea was simple: remove as much friction as possible between finishing a call and having a good follow-up email ready to send.

You answer 5 quick questions about your call — who you spoke with, what they want, what concerned them, any objections, and what you agreed on as a next step. That's it. No transcript. No recording. Just what you remember, in rough notes.

From those five answers, Nudgr extracts the key insights, decides on a follow-up strategy, and generates a personalised email. Not a template. An actual email that references the specific things discussed in your call. It takes about 60 seconds.

Then — and this is the part I built for myself specifically — if your client doesn't reply in 48 hours, Nudgr generates a second email and reminds you to send it. Not a generic chase. A contextual nudge based on the deal — a closing push if they showed high intent, an objection handler if they raised budget concerns, or a soft check-in if the conversation was more exploratory.

What happened next

I've been using Nudgr for every sales call since building it. Two things changed immediately.

First, I follow up on every call now. Not because I'm more disciplined — I'm not. Because the friction is gone. I finish a call, open Nudgr on my phone, answer five questions in two minutes, and the email is ready. The hardest part used to be starting the blank page. That part doesn't exist anymore.

Second, I've had deals reopen that I thought were dead. Prospects who went quiet after my initial email replied when they got the 48-hour nudge. One of them turned into a project that paid for six months of my time.

That single deal paid for a year of Nudgr's costs several times over.