Engagement Letters

Automated industry-vetted contracts.

Automate compliant contracts with engagement letters, secure e-signatures, auto payments, and scope adjustments.

No contracts. No credit card required.

Average based on thousands of reviews

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Stay compliant and protect your business. Customizable engagement letters make meeting legal standards effortless.

One powerful platform to sell, bill and get paid

Send proposals

Impress clients with branded online proposals 

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Collect Payments

Collect payments automatically and increase cash flow. 

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Automate Billing

Put billing on autopilot - and easily bill for out-of-scope work. 

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Track revenue

See projected revenue and billing at a glance. 

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Smart workflows.

Unlock efficiency and profitability with integrations to accounting, practice management, project management tools, and more. 

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Ignition is for everyone

What customers say about us

  • "I promise I’m not being dramatic when I say that Ignition has changed my life. I’m talking, more than halved the time I spend on proposals."
    Lauren Markham avatar
    Lauren Markham
    Sports Presenter, LOZ Markham Pty Ltd
  • "I sent out my proposals and already have $60k worth of work just signed automatically. 3 years ago I was making $47k as a W-2 employee! What a difference."
    Logan Graf avatar
    Logan Graf
    CPA, Owner, The Graf Tax Co.
  • "Ignition saves you hours of admin work, increases your cash conversion, while delighting your customers"
    Dan Gertrudes avatar
    Dan Gertrudes
    CEO, GrowthLab

Getting started is simple and free

See why thousands of professional services businesses use Ignition to grow their business. Start your 14 day free trial. No credit card needed.

No contracts. No credit card required.

Frequently asked questions

An engagement letter is a formal agreement or contract between your business and a client that outlines the services you'll provide, the terms of the engagement, and payment details. It ensures clarity, sets expectations, and helps protect your business from disputes or misunderstandings.

Spark your business’ success with Ignition

Ignition simplifies agreements, automates billing, and boosts cash flow—letting you focus on clients and growing your business.

No contracts. No credit card required.