All-in-One Income Tax & TDS Software for CAs and Tax Experts with separate GST Module
Simplify compliance. Maximize productivity.
Powering Professionals with a Complete Tax Tech Suite
End-to-end software solutions for Income Tax, GST, TDS, Payroll, and Compliance — All in one platform.
Trusted. Tested.
Proven.
Income Tax & TDS Returns Filed
Trusted Clients Across India
GST Invoices Processed Seamlessly
Chartered Accountants Rely on Our Tools
%
Uptime for reliable service
Chartered Accountants (CAs)
Streamline client filings, audits, and tax workflows.
Chartered Accountants (CAs)
Streamline client filings, audits, and tax workflows.
Enterprises & Corporates
Automate GST, TDS, and payroll compliance end-to-end.
Enterprises & Corporates
Automate GST, TDS, and payroll compliance end-to-end.
Tax Consultants & Practitioners
Manage returns, reconciliations, and compliance effortlessly.
Tax Consultants & Practitioners
Manage returns, reconciliations, and compliance effortlessly.
SMEs & Growing Businesses
Simplify invoicing, ITC claims, and tax submissions.
SMEs & Growing Businesses
Simplify invoicing, ITC claims, and tax submissions.
Built for Every
Workflow
All our products are designed to deliver
Maximum Tax Savings
Businesses save up to 5–8% of their working capital through accurate ITC management and optimized tax filing.
Individuals can save up to ₹75,000 annually using our reliable and compliant ITR software.
Exceptional Speed & Efficiency
Experience 2x faster return filing, instant tax calculations, and real-time data syncing across GST, TDS, and payroll modules.
Trusted by over 30,000+ professionals for time-sensitive operations.
Precise & Compliant by Design
Every Sinewave product is built by experienced tax professionals and rigorously tested for accuracy.
Stay ahead of regulatory changes with real-time updates and compliance-backed automation.
Trusted by experts and businesses
We are very happy for the Quick Response and resolved within half-an-hour. Thanks to Anil Moolani sir and Sinewave Pune
Chandrakant Mamdapure
BEST SERVICE WITH GOOD AFTER SALES SUPPORT | AM USING SINCE 2011
Yogesh Mahale (YSAP)
We have been using this software since long time, we are pretty satisfied by their services.
CA - Office Shah
Good experience...have been using since last 15 years
Kaustubh Paturkar
Really very satisfied with the prompt service provided by sinewave
Rajendra Deshpande
I am using TDS Lan Pro for Income Tax and TDS Return Filing and it is very easy to use. And Customer Care Service is Also very Quick.
Prashant Chavan
We are taking sinewave service since last 15 years, and they are up to date with IT rules and utilities, All support team are also very active and available during tax season to solve the query.
Doshi Dhruv & Co.
I am using Sinewave Software for Income tax services from last 15 years. Services and solutions are good. Thank you