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TDS Pro: TDS Calculation Software
India's most trusted taxation software providers for TDS and ITR return filing
Paywhiz: Payroll Software
Managing HR, payroll, and compliance was never so easy. Automates repetitive tasks, provides real-time data, and helps in calculations.
Taxbase GSTPro: GST Return Filing Software
Made GST billing & return filing easy. GST software developed by qualified CA’s and developers
TaxbasePro: Income Tax Return Software
Comprehensive Tool For Income Tax Returns Preparation And E-filing!
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TaxbasePro
Frequently Asked Questions
Our History
Sinewave commenced its activities with data processing (including word processing) and computer hardware trading in 1984.It subsequently developed its own accounting and stock management flag ship product namely CA2.5 and had around 3000 users by 1990. The users for this product varied from Chartered Accountants, Retailers, Supermarkets, and Forging Industry etc.
Our Team
Our team is composed of experienced professionals who enjoy working closely with our clients and with each other.