Automated industry-vetted contracts made simple

Engagement Letter Software

Automated industry-vetted contracts made simple

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

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Average based on thousands of reviews

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

ACCOUNTING

For accounting and tax

Accounting and tax services businesses use Ignition to simplify billing, automate payments, and stay compliant.

AGENCIES

For agencies

Marketing and advertising agencies use Ignition to automate billing, manage payments, and simplify client relationships.

PROFESSIONAL SERVICES

For professional services

Professional services businesses use Ignition to automate billing, collect payments, and manage client engagements seamlessly.

CONSULTANTS

For consultants

Consultants use Ignition to sell, bill, and get paid effortlessly for every project and service they deliver.

FINANCIAL SERVICES

For financial services

Financial service providers rely on Ignition to manage billing, automate payments, and get paid for every project with ease.

BOOKKEEPING

For bookkeeping

Bookkeepers use Ignition to manage agreements, automate billing, and get paid for every client and service.

What customers say about us

  • "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."
  • "Ignition saves you hours of admin work, increases your cash conversion, while delighting your customers"
  • "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."
  • "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."
  • "Ignition saves you hours of admin work, increases your cash conversion, while delighting your customers"
  • "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."
  • "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."

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.

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No credit card needed to start.

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.

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Payments currently unavailable in South Africa

Unfortunately, Ignition doesn't support payments in South Africa, but it's something we're working on in the future.

You'll still be able to engage clients seamlessly with online proposals and automated engagement letters, and run your business on autopilot by connecting apps to Ignition.