Invoicing software for freelancers and SMEs. Get started for free.

Online invoicing software for freelancers and SMEs

Create invoices, estimates and delivery notes in seconds from web and app.

Invoicing software, create invoices, estimates and delivery notes
Create your invoices in 10 seconds with the auto-filled fields
Calculate your taxes in one click
Access your accounting wherever you are

Custom templates with your logo and corporate colors

Advantages of Contasimple invoiving software:

Fill in your taxes in one click


Fill in your taxes in 1 click.

Contasimple connects your invoicing data to self-fill the following tax forms:

VAT (303, 390), Personal Income Tax (130, 100), Personal Income Tax Withholdings (111, 190), Withholdings on Rents (115, 180), Intra-Community Operations (349), Operations with Third Parties (347).


Creating your invoices and registering your other expenses in Contasimple's invoicing software allows you to manage your accounting without needing to be an expert.

Export your log books at any time.

Calculate your amortizations easily.

Create your invoices in the Contasimple invoicing software

View your expenses and income in real time

Global vision of your business

Visualize your expenses and income in real time.

Manage collections and payments from highly visual graphics.

Warehouse management

Keep your stock control always up to date.

Stock automatically updated from your invoicing, delivery notes or estimates.

Activate your low stock alarm in a personalized way.

Automatic invoicing for recurring payments

Automatic invoicing for recurring payments

Set up recurring receipts so that your invoices are automatically created the moment you generate a bank remittance for direct debit.

You can also generate remittances with punctual receipts.


Try the Ultimate Plan for 1 month
Basic Plan free forever

No credit card · No commitments

Why do you need Contasimple?

Discover what we can do for you.


Create your invoices in 10 seconds, personalize them with your logo and send them to your costumers.

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Create your budgets in 10 seconds. Convert it on an invoice in just 1 click.

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Delivery notes

Generate customized, clear and elegant delivery notes. Impress your customers!

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Everything you need to comply with the law and understand your business.

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Electronic signature

Upload your certificate and sign any kind of document, invoice, delivery note or estimate.

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Virtual disk

Upload your private documents and link them with your invoices or delivery notes.

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Control of expenses

Tracking and controlling expenses had never been so easy.

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Customer Management

Manage your customers and get the most out of them.

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Stock control

Manage your warehouse and control your stock.

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Time tracking

Keep track of your employee's worked hours.

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Generate receipts and bank remittances to charge your customers.

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Dropbox & Google Drive

We integrate with Dropbox and Google Drive. Each created invoice will be automatically uploaded to your account.

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With our module of reports, in a single click you can obtain the most relevant data of the state of your business.

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Global vision

With our Dashboard you will have a global vision to support the decision making of your business.
Get to know your internal processes thoroughly.

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Export in PDF and Excel all your invoices, movements, accounts, clients, ...

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Manage your individual notes.


Ask us your questions, we will be happy to help you.

And much more!


Cegid is one of the main players in business management solutions in the cloud for Finance (ERP, treasury, taxes), Human Resources (Payroll, Talent management, Time management), Accounting, Retail, Entrepreneurs and Small Businesses.

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Contasimple is a product of Grupo Primavera, a Cegid Company    Calle Labastida 10, 28034 Madrid, CIF B67119594, T 932 933 806
Contasimple S.L.U. is a company registered in the Mercantile Registry of Barcelona in volume 46203, folio 76, sheet B-512849, inscription 1.