Saasu Online Accounting

Use PostalMethods to send invoices directly from Saasu Online Accounting

PostalMethods enables Sassu Online Accounting users to send invoices as postal letters directly from the web. Send letters from anywhere they have access to Saasu. With no learning curve, PostalMethods is easy to set up and use. Design your invoice template and send personalized invoice letters with no effort.

Saasu Online accounting for invoicing, purchasing, inventory and payroll. Manage projects and customers with timesheets, tasks and light CRM. Multi-user, Multiple Currency and GST/VAT/TAX for 50 countries.


  • No more manual printing, folding, inserting, sealing, stamping or delivering
  • No need to buy and maintain any software or hardware - start sending today
  • Send letter from anywhere you have access to Saasu Online Accounting
  • Letters are handled securely. Your data will not be used by anyone
  • Send letters from your email client and other applications as well


  • Letters sent in professional No. 10 sealed, double window envelopes
  • Your letter is in the mail within one business day
  • Send one letter or one hundred thousand - we can handle it
  • Using First Class Priority postage for fast and reliable delivery
  • Recipient address is verified automatically before delivery
  • In case of non-delivery, your letter is returned to you by the postal service

How to send letters using Saasu

Read our detailed how to guide and send letters in minutes.

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Get an evaluation account for free

A PostalMethods evaluation account gives you a no-risk way to experience the service.

The only limitation is that letter posting is simulated and does not actually occur.

No credit card required

Getting Started