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Powerful invoicing software for faster payments and streamlined processes

Every invoice paid means more revenue in your business. See how online invoicing software creates and tracks invoices in real-time, automates reminders and recurring invoices, and helps process invoices faster.

Explore the key features of our invoicing software

Over 3 million global businesses of all types, from sole traders to small and medium companies, trust our flexible, dynamic, and easy-to-use invoicing software.

Create and customise invoices

Choose a template, customise with your logos and details. It's fast and easy to make sure your invoices look polished every time.

Send and receive without delay

Automatically send invoices via email, PDF, or other electronic formats, and accept payments the way your customers prefer.

Flexible payment options

Enable payments via credit card, ACH, or PayPal to give your customers more ways to pay.

Convert quotes to invoices

Convert quotes into invoices instantly and send them to your customers with a click.

Track invoiced hours

Easily monitor time spent on client work and ensure accurate billing. Log your hours on the go and update the total in real time.

Record billable expenses

Keep detailed records of expenses and quickly turn them into billable invoices.

Automate payment reminders

Stay on top of cash flow and get paid on time, every time, with easy-to-set-up automated reminders.

Get actionable reports

Access rich, real-time financial performance insights to make informed decisions with intuitive, customisable dashboards.

Integrates seamlessly

Seamlessly integrate your workflows by easily connecting to your bank, accounting systems, and financial planning solutions.

Key benefits of the best invoicing software

Whether you’re a sole trader, a small business, or a medium-sized company on the rise, our invoicing software adapts to your needs. Upgrade or cancel anytime—no long-term contracts or commitments.

Explore our business invoice software

Discover our flexible and intuitive invoicing software for small business and medium-sized companies with growth ambitions. There are no long-term contracts, so you can easily upgrade or cancel as your business needs evolve.

Sage Accounting

Flexible online accounting software for small businesses. Unlock potential, gain clarity, and save time.

Cloud accounting for freelancers, sole traders, and small businesses:

  • Customize, send and track invoices, quotes and estimates
  • Manage purchase invoices and suppliers
  • Forecast and control cashflow
  • Track performance with advanced reports
  • Calculate and Submit tax

Sage Intacct

The leader in cloud accounting and financial management software. Perfect for scale-ups to global enterprises. Bespoke pricing, tailored to your business.
  • Track multiple accounts in real-time
  • Consolidate multiple entities and more in minutes
  • Collaborate from a single source of truth
  • Make strategic decisions with dimensional reporting and analytics
  • Open APIs allow multiple, stable, secure integrations

Andy McKeon

Group Financial Controller, Colmore PS

What previously took five minutes per invoice is probably now a minute per invoice, which, when you’ve rolled out over 100 invoices a month, is quite a saving.

Invoicing software FAQs

Invoicing software is an online or desktop tool that helps businesses create, send, and manage invoices more efficiently. With features like customisable templates and automated reminders, it streamlines your billing process and simplifies payment collection.

E-invoicing, or electronic invoicing, is the process of creating, sending, and receiving invoices in a digital format. Unlike traditional paper or PDF invoices, e-invoices are structured for seamless integration between systems, allowing businesses to automate billing and payment processes.

Traditional invoicing typically relies on a slow, manual process, which includes filling in billing details, printing paper copies, and physically sending them to customers. With e-invoicing, businesses can reduce admin tasks, improve accuracy, and track payments more efficiently. Customers receive invoices electronically, making it easier for them to pay on time. Our e-invoicing software integrates with partner tools within the Sage Network and trusted payment providers, simplifying the entire process.

Sole traders often rely on Excel due to availability and budget constraints. Excel might be useful if you only occasionally need to generate and send invoices. As your business grows, maintaining invoices in Excel formats can be daunting. Modern small businesses, medium companies and sole traders typically switch over to invoicing software to automate invoicing processes and manage payments easily.

If you have been using Excel templates or spreadsheets to create and keep track of your invoices, you can easily import your data to Sage. With a variety of customisable, professional yet simple templates, you'll never have to rely on Excel again.

Manually creating invoices with tools like Word or Excel can be time-consuming and makes it hard to manage your cash flow. Business invoicing software streamlines the process, saving you time and helping you stay on top of your billing. By implementing a solution with e-invoicing features, you can :

  • Automate your invoicing : streamline tasks like creating, sending, and tracking invoices.
  • Track payments effortlessly : monitor outstanding and upcoming invoices in one centralised system.
  • Manage late payments easily : set up automated reminders to encourage customers to pay on time.
  • Save time and reduce errors : digitise your invoicing process for better efficiency and accuracy.
  • Present a professional image : create polished, branded invoices that reflect your business.

Online invoicing systems help you focus on what matters most—running your business—while keeping your payments organised and efficient.

To be legally valid, an invoice must include an offer made by one party and accepted by another. While requirements vary by region, invoices typically need:

  • Invoice number: a unique identifier for tracking.
  • Seller and buyer information: names, addresses, and contact details for both parties.
  • Description of goods/services: quantities, unit prices, taxes, and discounts.
  • Total amount due: the full amount owed, including taxes or discounts.
  • Payment terms: due date, accepted payment methods, and any late payment penalties.

For more details on what to include, have a look at our invoice cheat sheet. Using tools like invoice software makes it easier to include all the necessary elements, ensuring compliance and professionalism.

Absolutely. You can easily import existing invoices and historical data when switching to Sage from other systems like Xero or Quickbooks. Import effortlessly with simple CSV templates or with 1-1 support whenever you need it.

Choosing the best invoice software means finding a solution that fits your business needs and budget while offering simplicity, scalability, and seamless integration.

Look for an online invoice system that prioritises security, compliance, and quality customer support. Read user reviews and industry recommendations to identify trusted providers. Go beyond just traditional invoicing features. Make sure the invoicing software include comprehensive financial dashboards with key metrics and offer built-in financial reporting and analytics, so you can stay on top of how your business performs.

Advice for small businesses, sole traders, and growing organisations

Sage advice

Read our blog for expert advice on invoicing, practical tips, and valuable insights to help your business thrive. Uncover smarter ways to manage your invoices and unlock new opportunities for success.

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Have any questions?

Want to learn more about our business invoicing software? We'd be happy to answer any questions you have and help you decide which solution best suits your needs.