Back to Play 5 Resources
Play 5: Client Onboarding

Welcome Email Templates (New Client & Existing Client)

Two polished email templates: warm welcome for new clients, matter-specific kickoff for existing.

Welcome Email Templates (New Client & Existing Client)

First impressions stick. Your welcome email is the first operational touchpoint after a signed engagement letter. Get it wrong and you create confusion about next steps, timelines, and who owns what. Get it right and you set clear expectations, reduce client anxiety, and accelerate time-to-value.

These two templates are designed for immediate use. Copy, customize the bracketed fields, and send. Each template includes tactical elements that reduce back-and-forth email volleys and position you as organized from day one.

Template 1: New Client Welcome Email

Use this when a client signs their first engagement letter with your firm. The goal is to eliminate ambiguity about what happens next and who they'll be working with.

Subject Line: Welcome to [Firm Name] - Your Next Steps Inside

Email Body:

[Client First Name],

Welcome to [Firm Name]. We're ready to get started.

I'm [Your Name], [Your Title], and I'll be your primary contact for this engagement. You can reach me directly at [Your Direct Phone] or reply to this email anytime.

Here's what happens next:

1. Kickoff Call - Scheduled for [Specific Date & Time]
I've sent a separate calendar invite for [Day, Date] at [Time, Time Zone]. We'll cover:

  • Your immediate priorities for this engagement
  • Key deadlines or constraints we need to work around
  • Introduction to [Team Member Name], who will be handling [Specific Responsibility]
  • How we'll communicate (Slack, email, weekly calls, etc.)

If this time doesn't work, reply with two alternative slots this week.

2. Client Information Form - Due [Specific Date]
You'll receive a secure link to our intake form within 24 hours. It asks for:

  • [Specific Item 1, e.g., "Prior year tax returns if switching from another firm"]
  • [Specific Item 2, e.g., "Access credentials for your accounting software"]
  • [Specific Item 3, e.g., "List of current pain points or bottlenecks"]

This form takes 15-20 minutes to complete. We need it back by [Date] to stay on schedule.

3. Onboarding Session - Week of [Specific Week]
After reviewing your intake form, we'll schedule a 60-minute working session to finalize scope, timeline, and deliverables. You'll leave this meeting with a one-page project roadmap.

What to expect during our engagement:

  • Response time: Email replies within 4 business hours, phone calls returned same day
  • Status updates: Brief written update every [Frequency, e.g., "Friday afternoon"] via email
  • Billing: Invoices sent on the [Day of Month] with line-item detail, due net 15
  • Point of escalation: If I'm unavailable, contact [Backup Name] at [Backup Email]

Your homework before our kickoff call:

  • Review the calendar invite and confirm your attendance
  • Jot down your top 3 goals for this engagement
  • Identify any hard deadlines we need to be aware of

Questions before we meet? Reply to this email or call me at [Direct Phone].

Looking forward to working together.

[Your Name]
[Your Title]
[Firm Name]
[Direct Phone] | [Email]

Why this template works:

  • Numbered steps with specific dates eliminate "what happens next" confusion
  • Direct phone number signals accessibility and accountability
  • Homework assignment ensures the client shows up to the kickoff prepared
  • Response time commitments set realistic expectations and reduce anxiety
  • Backup contact prevents bottlenecks when you're out of office

Customization notes:

  • If your firm uses a client portal, replace "secure link to our intake form" with portal login instructions
  • For retainer-based work, adjust billing language to reflect monthly invoicing
  • For litigation or time-sensitive matters, compress the timeline and add urgency language

Template 2: Existing Client Matter Kickoff Email

Use this when an existing client engages you for a new project or matter. They already know your firm, so skip the introductions and focus on project-specific logistics.

Subject Line: [Matter Name] Kickoff - Action Items Inside

Email Body:

[Client First Name],

We're officially kicking off [Matter Name]. Here's your roadmap for the next two weeks.

Project scope (confirm this matches your understanding):

  • [Deliverable 1, e.g., "Draft and file motion for summary judgment"]
  • [Deliverable 2, e.g., "Prepare witness list and exhibit binders"]
  • [Deliverable 3, e.g., "Coordinate with opposing counsel on scheduling"]

Target completion date: [Specific Date]

Your team for this matter:

  • [Lead Name], [Title]: Overall strategy and client communication
  • [Associate Name], [Title]: Research, drafting, and document review
  • [Paralegal Name], [Title]: Filing, scheduling, and administrative coordination

Immediate next steps:

1. Kickoff Meeting - [Day, Date] at [Time, Time Zone]
Calendar invite sent separately. Agenda:

  • Confirm scope, timeline, and budget
  • Identify any new information or changes since our initial conversation
  • Assign action items and set first checkpoint date

2. Document Upload - Due [Specific Date]
Please upload the following to our shared [Portal Name / Folder Link]:

  • [Specific Document 1]
  • [Specific Document 2]
  • [Specific Document 3]

If you don't have access to [Portal Name], reply to this email and I'll send login credentials.

3. First Draft Review - Week of [Specific Week]
We'll send you [Specific Deliverable] for review by [Date]. Turnaround time for your feedback: 48 hours.

Communication plan for this matter:

  • Weekly check-ins: Every [Day] at [Time] via [Phone / Video]
  • Urgent issues: Text me at [Mobile Number] or call the main line and ask for [Your Name]
  • Status updates: I'll send a brief written update every [Day] by end of day

Budget and billing:

  • Estimated total: [Dollar Amount] based on [Assumptions]
  • Invoices sent [Frequency], due net [Terms]
  • If we're trending more than 10% over budget, I'll flag it immediately

Action required from you before our kickoff:

  • Confirm the scope bullets above match your expectations
  • Upload the three documents listed in step 2
  • Block [Time Estimate] on your calendar for first draft review

Questions? Reply here or call me at [Direct Phone].

Let's get this done.

[Your Name]
[Your Title]
[Firm Name]
[Direct Phone] | [Email]

Why this template works:

  • Scope confirmation at the top catches misalignment before work begins
  • Team roster with role clarity prevents "who do I contact for X" confusion
  • Document upload request with specific file names eliminates vague "send us what you have" requests
  • Budget transparency builds trust and prevents surprise invoices
  • Action items with deadlines create accountability on both sides

Customization notes:

  • For fixed-fee matters, replace budget estimate with "Fixed fee: [Amount], payable [Terms]"
  • For multi-phase projects, add a "Phase 1 scope" section and note when Phase 2 planning will occur
  • For matters with third-party dependencies (opposing counsel, courts, regulators), add a "Dependencies & Risks" section

Implementation Checklist

Before you send either template:

  • [ ] Replace all [BRACKETED FIELDS] with actual names, dates, and details
  • [ ] Verify calendar invites are sent before the email goes out
  • [ ] Confirm portal links or document upload instructions are accurate
  • [ ] Double-check phone numbers and email addresses for accuracy
  • [ ] Send a test email to yourself to check formatting and link functionality
  • [ ] Add the client to your CRM
    or project management system before hitting send

Common Mistakes to Avoid

Vague timelines. "We'll be in touch soon" creates anxiety. Use specific dates.

Missing contact information. If a client can't reach you easily, they'll assume you're unresponsive.

No clear next action. Every email should end with what the client needs to do and by when.

Overpromising response times. If you commit to 4-hour email responses, you must deliver. Set realistic expectations.

Skipping the scope confirmation. Misaligned expectations at kickoff lead to scope creep and billing disputes later.

These templates are starting points. Track open rates, response times, and client feedback. Adjust language, timing, and structure based on what works for your specific client base and practice area.

Revenue Institute

Reviewed by Revenue Institute

This guide is actively maintained and reviewed by the implementation experts at Revenue Institute. As the creators of The AI Workforce Playbook, we test and deploy these exact frameworks for professional services firms scaling without new headcount.

Revenue Institute

Need help turning this guide into reality? Revenue Institute builds and implements the AI workforce for professional services firms.

RevenueInstitute.com