The Build Lab · Case study · Clients

The Onboarding Machine

A new client says yes and seven tools do the onboarding in minutes.

Screenshot of The Onboarding Machine

The problem

Every new client means emails, a call, a contract, an invoice, a workspace and a welcome pack, done by hand.

What I built

One trigger runs the whole journey: reply and kick-off call link, call prep, contract, invoice, client workspace, welcome pack and first session, with drafts waiting for approval.

What it replaces

Two or three hours of admin for every new client.

Who it's for

Coaches, consultants, agencies and other service businesses who onboard new clients by hand, one email and one tool at a time.

How it works

  1. A client replies yes. That email is the trigger.
  2. Claude sends a warm reply and a link to book the kick-off call, then writes prep notes for it.
  3. The contract goes out for e-signature, the invoice is drafted in your accounts software and a shared folder is created.
  4. Anything involving money or a personal message waits for your approval, then the welcome message goes out.

The result

A consistent, professional first week for every client, without two or three hours of copy-and-paste admin each time.

Connects to

  • Gmail
  • Calendly
  • DocuSign
  • Xero
  • Notion
  • Google Drive
  • WhatsApp

Demo video

Watch it work

Live demo

Try it yourself

Everything below works. The business and data are made up; the real version is built around your business and your tools.

Ready

New client: Hannah Price

Run #148

Triggered by Gmail: Hannah replied "Yes, let's do it" · Fri 25 Sep 2026, 09:14 · 3-month Clarity package

Elapsed
00:00.0
Steps
0/7
Admin time saved
0m
Your time
Nothing yet
Elapsed
2 to 3 days
Steps
7 by hand
Admin time
2h 30m
Your time
7 tools, 40+ clicks
onboard-clientDoing it by hand DurationTime
Runs on every "yes" · 2 steps wait for Clara Typical week: 2 new clients = 5 hours

Step 1 of 7 · Gmail

Welcome reply sent

By hand: 20 min. Find template, personalise, proofread, send, in Gmail.

From
Clara Hughes <clara@clarahughescoaching.com>
To
Hannah Price <hannah.price@fieldnotes.studio>
Subject
Re: Coaching enquiry

Hi Hannah,

That's brilliant news, I'm really looking forward to working with you. First step is a 45 minute kick-off call so we can map out your first month.

A link to pick a time is on its way, along with the agreement and your welcome folder.

Speak soon,
Clara

Queued. Starts when Hannah's "yes" lands in Gmail.

Matched reply from hannah.price@fieldnotes.studio: "Yes, let's do it"

Drafted reply from template "Yes, next steps" (v4)

Added package and next steps: 3-month Clarity

Sent. Thread labelled Clients / Onboarding

How I built this

I built this demo with Claude to show what joined-up client onboarding can look like.

The real version connects to each tool through its official connectors and APIs, and kicks off on its own when an enquiry lands or a client says yes.

Anything personal is drafted for the owner to read, tweak and approve, and anything automatic runs from templates she has already signed off.

This demo runs on sample data for a made-up coaching business.

Questions

Frequently asked

What's the best way to onboard coaching clients automatically?

Map your onboarding steps first, then automate them in order from one trigger. For most coaches the steps are the same: confirmation email, booking link, contract, invoice, a shared workspace, a welcome pack and the first session. Pick one trigger, such as a client replying yes or a signed proposal, and let each step start the next. Tools like Calendly, DocuSign, Xero and Notion each handle one step, and Zapier or Make joins them up. Keep anything involving money or a personal message waiting for your approval.

What tools do I need for client onboarding automation?

Usually a booking tool, an e-signature tool, your accounts software, a place for client files and an automation tool to connect them. The demo uses Gmail, Calendly, DocuSign, Xero, Notion, Google Drive and WhatsApp. Common alternatives are Outlook, Acuity or TidyCal for booking, Adobe Acrobat Sign or PandaDoc for contracts, FreeAgent or Sage for invoicing, and Dubsado for coaches who want onboarding in one tool. Start with the tools you already pay for. Most onboarding can be connected without adding anything new.

Do I need Zapier or Make to automate onboarding?

Not always. Some tools connect natively: Calendly links to Google Calendar and Zoom, and many e-signature and accounts tools talk to each other directly. Claude can also draft emails and prep notes using its Gmail and Google Calendar connectors. You usually need Zapier or Make once three or more tools must run in order from one trigger. Both have free plans for light use, and Make often works out cheaper for workflows with many steps. Pick the simplest option that works with your tools.

How much does it cost to automate client onboarding?

It depends on the tools you already pay for. Many coaches already have booking, invoicing and file storage, so the extra cost is often only an automation tool and possibly e-signatures. Zapier and Make both have free plans that suit low volumes. Calendly has a free plan too. Using Claude to write personalised welcome emails and call prep notes usually means Claude Pro at around £20 a month. A first version typically takes a few days to set up and test. Most of the time goes on writing good templates, not wiring tools together.

Will automated onboarding feel impersonal to clients?

Not if the messages are written in your voice and the personal touches stay personal. Clients mostly notice speed and consistency: a prompt reply, a clear next step and nothing forgotten. Write your templates as you would speak, and let Claude adjust each one using what the client told you in their enquiry. Keep one or two moments that come from you directly, such as a short voice note or a handwritten line in the welcome pack. Automation handles the admin so you have more energy for the human bits.

Are electronic signatures and automated invoices legal in the UK?

Yes, electronic signatures are generally valid for business contracts in the UK, and tools like DocuSign, Adobe Acrobat Sign and PandaDoc are widely used. A few documents, such as some property deeds, have extra formalities, so check with a solicitor if your contract is unusual. Automated invoices are fine as long as they include the details HMRC requires, such as VAT information if you are registered. The safe set-up is that contracts and invoices are drafted automatically but only sent after you have checked them.

How is client data kept safe during onboarding?

By collecting only what you need and giving each tool only the access it needs. Contact details, contracts and call notes are personal data under UK GDPR, and coaching notes can include sensitive details about health or personal life, so be especially careful about where those go. Use business accounts with data processing agreements, keep client folders private to you and that client, and tell clients in your privacy notice which tools you use. Before sending notes to an AI tool, check its data settings and remove anything it does not need.

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