Field service sales guide

How to send an estimate, collect a signature, and invoice a deposit

A practical, SEO-friendly guide for service businesses that want faster approvals, fewer payment delays, and a clean customer experience from proposal to deposit.

Sending an estimate or proposal is the moment you win or lose a job. Homeowners and commercial buyers want clarity, speed, and professionalism. If your workflow still relies on a PDF attachment, a separate e-sign tool, and a manual invoice, you are adding friction that costs you revenue.

This guide walks through a proven workflow to send an estimate, collect a signature, and invoice a deposit in one smooth flow. It also shows how ServeHub keeps the entire process inside a single system.

What is the fastest way to get an estimate signed and a deposit paid?

Send a link, not a PDF. The customer opens the estimate in a browser with no login, ticks the optional extras they want, signs it with their finger, and pays the deposit from the invoice that follows. Every step happens on their phone, in one sitting, without printing or scanning anything.

Which document does what
Document What it is for Signed by the customer?
Estimate The price and the scope, broken into sections. Optional sections let the customer add or drop extras themselves. Yes
Proposal The same estimate dressed up: a title, a written project description and photos. Use it when the job needs selling, not just pricing. Yes
Agreement Created from your template when the estimate is accepted, so your terms are attached to the job. Most shops let the signed estimate stand on its own instead. Optional
Deposit invoice A percentage or a fixed amount billed up front, with the remaining balance recorded against the job. No — paid
Final invoice Drafted for you from the estimate's own line items the moment the customer accepts, so nothing gets retyped. No — paid

Why your estimate and proposal workflow matters

The best service businesses treat estimates like a sales experience. A clear scope, confident pricing, and an easy approval path increase close rate and reduce price shopping. When you pair a signed proposal with a deposit invoice, you lock in the schedule and protect cash flow.

Step 1

Build an estimate that answers buyer questions

Start with a professional estimate template that includes scope, exclusions, materials, labor, and timelines. A buyer should understand exactly what they are approving without a follow up call.

  • Use line items with clear descriptions and quantities.
  • Include optional upgrades as add-ons, not footnotes.
  • Show taxes, fees, and totals in one clear summary.
  • Add photos or sketches when the work is visual.

In ServeHub you build the estimate from sections and fill each one from service items you saved once, so pricing stays consistent across quotes. On Pro, service templates turn a job you quote every week into a one-click section.

Step 2

Send the estimate with a simple approval link

The fastest way to get approval is to remove steps. Avoid making customers download a file, print it, and scan it back. Send a secure link where the customer can review the estimate and approve it online.

ServeHub sends estimates through a branded link that looks professional and works on mobile. Customers can open it, review the proposal, and sign without logging in.

Step 3

Collect a signature digitally

A signed proposal protects both sides and confirms scope. Digital signatures also create a timestamped record that is easy to store and retrieve.

  • Require signature fields for authorized signers.
  • Capture full name, date, and IP for audit history.
  • Send automatic reminders if the proposal is not signed.

ServeHub includes built-in e-signatures so you do not need a separate tool or extra cost.

Step 4

Invoice a deposit immediately after signing

Once the proposal is approved, the next step is to invoice a deposit so the job is secured. This is where many businesses slow down, creating days of delay and extra follow up.

  • Raise the deposit invoice the same day the signature lands.
  • Send the payment link by email or SMS.
  • Pick a percentage or a fixed amount, and keep it consistent by job type.

Here is what ServeHub actually does. When the customer accepts, ServeHub drafts a full invoice from the estimate's own line items so nothing is retyped. To bill a deposit instead, open the signed agreement and enter a percentage or a fixed amount — ServeHub works out the deposit, records the balance still owing, and sends the invoice by email or SMS (SMS on Plus and Pro).

Step 5

Confirm the schedule and next steps

Once the deposit is paid, confirm the schedule, crew details, and what the customer should expect next. This closes the loop and reduces inbound questions.

  • Send a confirmation email with job dates and arrival windows.
  • Share pre-job preparation notes or checklists.
  • Set expectations for change orders or scope updates.

Common questions about estimates, signatures, and deposits

What should be included in a professional estimate?
A professional estimate should include scope of work, materials, labor, taxes, total price, timeline, and any exclusions. If the project is visual, include photos or diagrams for clarity.
Do I need a contract if I already have an estimate?
In most service businesses a signed estimate does the job, as long as it carries your terms. ServeHub records the signer's typed name, a timestamp, the IP address and optional geolocation against the estimate, and keeps that record on the customer's file. Whether that is enforceable where you work is a question for a lawyer, not for us.
How much should I charge as a deposit?
Deposits vary by industry and project size, but 10 to 50 percent is the common range. Pick one policy per job type and stick to it. In ServeHub you enter the percentage or the fixed amount on the deposit invoice itself, and it works out the deposit and the balance still owing for you.

ServeHub makes the whole workflow seamless

ServeHub combines estimates, contracts, signatures, and invoices in one system. Instead of moving between tools, you can create a proposal, get it signed, and collect a deposit in one continuous flow. That means fewer delays, higher close rates, and more predictable revenue.

Ready to speed up approvals and deposits?

Start a free trial or book a demo to see how ServeHub handles estimates, signatures, and deposit invoices in one place.