Customer and supplier management for freelancers and SMEs.

Discover Contasimple's free CRM and start managing your customers and suppliers with our online invoicing, accounting and tax web program. Also from the mobile app.

Software for customer and supplier management for freelancers and SMEs

Enter the data of your customers and suppliers

Enter the data of your customers and suppliers


View the payments and collections of each customer and supplier

Create your invoices and other documents in seconds

Create your invoices and other documents in seconds

Simplify the management of your customers and suppliers using an easy, intuitive and free program.

With a simple glance, you can have an overall vision of your most important customers and suppliers, the ones that pay best and other important and necessary aspects to manage your business efficiently.

Customer and supplier management software

List of customers and suppliers

You can view all the data of the customer or supplier, from the name and address, to custom fields defined by you.

Customer list of CRM program for customer management of freelancers and companies

Basic information of each customer or supplier

In the "Basic Information" tab you will find the invoicing, address and contact details of your customer or supplier. The address will place your customer or supplier in their geographical location automatically.

You can also check your bank details and set a personal discount if you wish. In addition, you have two custom fields to add additional information.

Basic information of each client or supplier

Invoiced reports for each customer or supplier

You will be able to see in graphs how much you have invoiced to each customer on the budgeted, as well as the percentage that the payments received represent over the total invoiced.

With our efficiency indices it will be very easy to detect the importance and solvency of your customers. Try it, you will be surprised how useful it is when making decisions.

Invoicing reports for each customer or supplier

Check the number of issued or received invoices for specific periods.

Information for the selected period

Latest registry changes of your client

En la pestaña “Registro Mercantil” podrás ver los últimos cambios registrales de tu cliente.

Si estás interesado en conocer más información sobre tu cliente para saber si es solvente y te pagará, puedes comprar informes de empresas desde esta misma pestaña muy económicos. Muy recomendado en casos en que un cliente solicita pagar a más de 30 días.

Latest registry changes of your client

Download your customers or suppliers in vCard format

So you can import it comfortably in other applications, such as your email manager or your mobile phone.

Creation by copy of a customer or supplier

Do you have a customer that this also your supplier? Duplicate the data in just one click.

Manage your contact

After selecting the option of a new customer or supplier, fill in the fields that you consider necessary.

Manage your new client

Issue an invoice with the data of your new client

Once the customer is created, it will be available to issue new invoices. The system will automatically fill in your data.

Issue an invoice with the data of your new customer

Virtual disk storage of all your data and synchronization with Google Drive and Dropbox

Enjoy all the advantages offered by having an online program, without the need to store any data on your computer.

Manage your customers and suppliers

  • Create, modify or delete customers and suppliers.

  • Send them emails, documents or invoices easily.

  • Check their location and see on the map how to get there.

Available for Android and iOS. Totally free!

Mobile app CRM customer and contact management

What are you waiting for?

Not a Contasimple user yet?

Try it, It's free!

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!


Other links of interest

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.