Managing your company's billing has never been so easy

Managing your company's invoicing has never been so easy.

ZS go is a Portugal Tax Authority Certified Online Invoicing Software created with the aim of making your invoicing a simple, fast and intuitive process. It can be used in multi-company mode and with no user limit. With ZS go you can bill products or services from any device and all the steps of creating an account, entities and products are simplified so that you can bill with complete freedom in a very fast and uncomplicated way, anywhere and without wasting time.

Who is it for?

Micro and Small companies, liberal professionals, consultants or those who need to manage billing at the moment without delay and immediately.


  • Invoice scheduling: With ZS go you can issue an accounting document in seconds. Set up recurring billing or schedule reminders to avoid late payments by customers.
  • Creating Profiles: Creation of profiles according to the type of employee who interacts with the system, whether it is your accountant, administrative officer or who organizes the distribution of the company's products.
  • Type of documents: ZS go issues all the documents necessary for the management of your business: Invoice, Receipt, Invoice/Receipt, Credit Note, Transport Guide, Shipping Guide, Proforma invoice.
  • Integration with ifthenpay: Integration with ifthenpay allows you to generate documents with ATM reference at any time.
  • Personalized messages: Possibility of creating personalized messages for documents, checking accounts and thank you notes.
  • Automatic monthly payment: Management, scheduling and issuance of automatic monthly payments.
  • Information sharing: With ZS go you will have complete freedom in the creation of access profiles and you will be able to automatically share information with clients and accountants.
  • Dashboard and Reports: It has an intuitive dashboard that gives you an overview of your business and a whole series of reports with all the relevant information regarding invoicing, charges, current accounts, taxes and much more...
Why complicate? Experience the trial version, and then start billing ...
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Software / Version Monthly Retail Price
ZS GO Basic – até 2 utilizadores €9,90 + VAT
ZS GO Lite – até 5 utilizadores €14,90 + VAT
ZS rest Cloud Pro Plus €49,90 + VAT
ZS GO Pro – a partir de 6 utilizadores €15,90 + (€1 por utilizador adicional) + VAT

VAT is added to the prices shown at the legal rate in force


Yes! We help any type of business, regardless of its size. With our support, you will have processes and solutions that grow with your business.

Yes! We help any type of business, regardless of its size. With our support, you will have processes and solutions that grow with your business.

We can carry out migration processes from old software, ensuring that there is no loss of data. But we must warn that according to GDPR legislation, cloud management software is required to delete the fiscal data of canceled licenses within 30 days. And you can only store databases under a valid contract. If the old software works in the cloud and you cancel your license, the customer has a period of 30 days to request a backup and guarantee its availability for tax/legal purposes.

You need to analyze the equipment you have. Whenever possible, they are used.

Yes, depending on the campaigns in place.

Zone Soft uses ZS Cloud, which is a hybrid cloud, operating online and offline. ZS Cloud ensures a backup policy, with the automatic synchronization of all information and the maintenance of 2 databases simultaneously, requirements of the Autoridade Tributária (AT) for the use of invoicing programs. Additionally, a daily backup is made with a report on the Portal

Despacho n.º 8632/2014, de 3 de Julho (Diário da República n.º 126/2014 – 03/07, Série II) 3.1.2 - Ter implementada uma política de cópias de segurança, de periodicidade obrigatória, de forma a minimizar o volume de dados a recuperar em caso de corrupção da base de dados e ou a manutenção de duas ou mais base de dados simultâneas para que, quando uma se corrompa, a(s) outra(s) assegure(m) a continuidade da faturação.
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