Engagement Letters: The Workflow From Intake to Matter Opening

Overview

An engagement letter workflow decides who drafts the letter, which intake data feeds it, who approves it, how it is sent and signed, and what must be true before the matter opens and billing is set up. Run it as an operations process with named owners and a tracked status, because an unsigned or inconsistent letter becomes a billing dispute later. This article covers the workflow only; it is not a template and not legal advice.

Most firms already have engagement letters that their lawyers are comfortable with. The problems sit around them: letters drafted from a stale intake form, fee terms that differ from the rates set up in billing, signed copies stored in someone's inbox, and matters opened while the letter is still out for signature. Each of those can be fixed with process before any software is involved.

Why engagement letters are an operations problem

The professional rules set the floor, and they vary. ABA Model Rule 1.5(b) says the scope of the representation and the basis or rate of the fee and expenses should be communicated to the client, preferably in writing, before or within a reasonable time after the representation starts. Rule 1.5(c) requires a contingent fee agreement to be in a writing signed by the client. Some states go further. New York's Part 1215 on written letters of engagement, for example, requires a written letter or signed retainer agreement in most matters, with listed exceptions. Your jurisdiction, practice area and client agreements decide what the letter must say, so confirm the requirements with your general counsel or ethics counsel.

What the rules do not tell you is how the letter gets produced on time and matches what the firm then bills. That is the operations work. The letter is the first document where scope, fee basis, billing contact and payment terms are written down together, which makes it the natural source for matter opening and billing setup.

Who drafts, who approves and who sends

Give each step one owner. In many firms the responsible lawyer drafts from a precedent, a legal assistant prepares the client details, and finance or a billing partner checks anything unusual about the fee. The table below is an illustrative model; adjust it to your staffing and approval policy.

Non-standard terms deserve their own approval step. A discount, a fee cap, an unusual expense policy or a split between two paying entities is exactly what billing staff will need to know months later. If those terms only live in the letter text, someone will miss them at invoice time.

What data should feed the engagement letter

The engagement letter should be drafted from the same approved intake record that will feed matter opening, so the two cannot drift apart. Agree which fields come from intake and which are added during drafting. A typical set includes:

• Client legal name and the entity that will pay, if different.

• Scope of the work and anything expressly excluded.

• Responsible lawyer and, where relevant, the referring lawyer.

• Fee basis, rates or fixed amounts, and how changes will be communicated.

• Retainer or deposit amount and how it will be held and applied.

• Billing contact, invoice delivery method and any client billing guidelines.

If a field changes during negotiation, update the intake record first and then the draft, rather than editing the letter alone. Our guide to law firm CRM and client intake covers how approved inquiry data should cross into matter opening; the engagement letter sits in the middle of that handoff.

Sending, signature and tracking unsigned letters

Decide how letters go out and how signature is captured: email with a signed PDF return, an e-signature service, or a client portal. Whatever the method, the status of every outstanding letter should be visible in one place, with the sent date and the person chasing it.

Unsigned letters are where work starts without agreed terms. A simple tracking routine prevents most of it:

• Review a list of letters sent but not signed every week.

• Send a reminder at a set interval, from the responsible lawyer rather than a system address.

• Escalate to the responsible partner when a letter is still unsigned after a set period.

• Record a documented exception when work must start before signature, with who approved it.

• Close the inquiry formally if the client does not proceed.

Some firms block time entry on a matter until the letter is signed; others allow it but flag the matter on WIP reports. Choose one rule and apply it consistently, since a quiet exception for one partner tends to become the norm.

What must be true before matter opening and billing setup

Matter opening is the point where the firm commits staff time and starts billing. Use a short gate that the matter administrator checks before the matter goes live. Each item has an owner and a piece of evidence, so the check takes minutes when the earlier steps were done properly.

The fee check is the one most often skipped. If the letter says a blended rate and billing has standard rates loaded, the first invoice will be wrong. Where a deposit is held, follow your trust accounting rules; the legal trust accounting software guide covers the records involved. For how rates and arrangements carry into invoices, see legal time and billing software.

Scope changes and updated letters

Model Rule 1.5(b) also says changes in the basis or rate of the fee or expenses should be communicated to the client, and New York's rule calls for an updated letter when scope or fee changes significantly. Operationally, treat an amendment like a new letter: same drafting, approval and signature steps, stored against the same matter, with billing updated only after the change is agreed. Keep the earlier version so anyone reviewing a disputed invoice can see which terms applied on which dates.

Storage, access and retention

Store the signed engagement letter on the matter, not in an email folder, and make it easy for billing staff to find. Fee terms are commercially sensitive, so check who can open the folder. If the firm uses Microsoft 365, Microsoft Purview retention policies and labels can apply a retention period to matter content. Set the period from your records policy and applicable rules, not from a default. The OneDrive document management guide for law firms explains how matter folders can be organized around this.

Where MATTEROOM fits

MATTEROOM's CRM page describes internal referral tracking in which the referring attorney is automatically assigned as the client manager during New Matter Intake. The Microsoft 365 page describes Teams notifications as soon as a matter intake is completed, and describes case, document and knowledge management with Planner, OneDrive and Copilot. The billing management page describes Smart Billing for hourly rates or recurring retainers and a billing audit trail that records who changed what and when.

In a demonstration, confirm how a letter would be generated and signed in your setup (natively, through a template, or through a separate e-signature tool), where the signed copy is stored, whether matter opening can wait on a signed-letter status, and how fee terms in the letter are carried into billing setup. The law firm workflow automation guide has a method for scoping which of these steps to automate first.