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Free online billing software for freelancers and SMEs.

Use our powerful and professional electronic bill templates that you can customize with your corporate colors and logo. Online bills created and sent in seconds.

Simplify the management of your business using an easy, intuitive and free billing program. Also from your smartphone and tablet.


Billing, Accounting, CRM and more in just one tool.

Electronic bills

Create electronic bills, invoices, budgets, estimates and delivery notes in seconds. From your computer, tablet or smartphone.

Cloud billing

Cloud computing and electronic billing put together: our billing platform allows you to manage all your documents from our cloud. You can also sync up with your Google Drive account or Dropbox. This way you can access your data easily wherever you are.

Easy accounting

Keep your books of official records of bills, expenses and investment goods up to date with our accounting software.

Management of collections and payments

Know the general state of your income and expenses at a glance with our intuitive graphics and dashboards.

Forecast of collections & payments

Customer management

Create and manage your customers and suppliers. Check your contact agenda from any device.

Totals by customers & suppliers for the quarter

Global vision

With our dashboard and graphics, the decision making of your business will be easier.

Products and services catalogue

The catalogue allows you to register products or services that are invoiced with certain frequency to be able to create invoices, estimates or delivery notes more quickly.

Totals by customers & suppliers for the quarter

Electronic signature

Electronic signature for all your documents.




Contasimple Billing App. Available for Android and iOS. Totally free!

  • Create bills, budgets and delivery notes and register your tickets

  • Check the status of your business at a glance

  • View all your cloud documents

  • Manage your customers and suppliers

Contasimple billing app

Try it for free for 30 days

Contasimple is the online billing and accounting program that allows you to save money and time to grow your business.

Register now and you will have 30 free days of the Ultimate Plan, the most complete.


Try for free Contasimple




Contasimple - The invoicing, accounting and taxes application on the cloud.

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