Welcome to the DAYO Inc. Web Site
Over 18 years in the business developing accounting software solutions! Since 1988
      Dayo Accounting Software is a collection of multi-user and integrated business applications like POS, Inventory Control, Accounts Receivable (AR), Accounts Payable (AP), General Ledger (GL), Payroll, Quotes, Billing and Invoicing, Order Entry, Sales Management, MRP and more.  DAYO Accounting Software is made for small to medium sized businesses.

Source Code Sale see Order Form
Secure Order Form

Try out our software by DOWNLOADING FULL WORKING versions.

Fed Tax Tables Update 
 2004 UPS Rates Table 

  Download Version   
DAYO DOS Runs Under Windows

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Privacy & Security Notice 
DAYO is a registered trademark of DAYO, INC.
Copyright© DAYO, Inc. 2008. All rights reserved.
Sister Organization:  Dayo Scuba in Orlando Florida