India’s Most Trusted Tax Software for Finance Professionals

Best in Class Income Tax
Software

Sinewave Computer Services Pvt. Ltd is among the top-notch income tax, gst, tds software development companies in India. Working for 36 years we are proficient in producing reliable, consistent, and high-quality income tax, TDS, and GST software for our valuable clients including but not limited to Chartered Accountants, Tax professionals, accountants, tax consultants etc., in India.

Our Taxation Software Solutions

End-to-end software solutions for Income Tax, GST, TDS, Payroll, and Compliance — All in one platform.

This ultimate income tax software includes all the functions of a tax return as well as electronic filing, making it user-friendly, well-designed, and professional.

The advanced Taxbase GSTPro facilitates with its eye-catching features like, GST returns filing, return dashboard, input credit registers, and inward/outward supplies invoicing.

TDSPro – High-quality TDS software designed by professionals of Sinewave aids to determine TDS payments. Super user-friendly with accurate results.

Paywhiz Pro – A versatile employee payroll and attendance management software combined with taxation. Specially designed for MNCs, banks, BOPs, SMEs, and other instructions.

VATXpress – Professional VAT/MVAT software designed to compute VAT, E-payments, and E-filings. Helps businesses utilize customer-facing transactions

TeamControl – team management software is a must-have for your organization. It manages team participation, attendance, designations, departments, and monthly summary.

Smart digital signature management tool.

Real-time portfolio tracker with Taxbase integration.

India’s Best Income Tax, TDS, GST Software For Your Business!

Sinewave Computer Services Pvt. Ltd is among the top-notch income tax, gst, tds software development companies in India. Working for 36 years we are proficient in producing reliable, consistent, and high-quality income tax, TDS, and GST software for our valuable clients including but not limited to Chartered Accountants, Tax professionals, accountants, tax consultants etc., in India.

By offering advanced taxation services, we aim to assist people. With a focus on transforming tax computation, and filing Sinewave have been developing taxation software products for the Indian market we have a successful clientele of 30,000.

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

Whether you’re a solo practitioner, a growing firm, or a large enterprise, our flexible solutions adapt to your compliance needs with powerful tools for tax filing, invoicing, and beyond.

Why Choose Sinewave?

Sinewave Computer Services Pvt. Ltd is one of the most trusted taxation software provider companies in India with more than 30,000 clients. Our team of professional software designers and developers is skilled in making the best ITR, TDS, GST, and tax software for all organizations including banks, SMEs, offices, firms, business organizations, and educational institutions.

  • Client Trust 95% 95%
  • Security & Compliance 98% 98%
  • Real time Updates 92% 92%
  • Scalability 96% 96%

Sinewave: India’s Leading Income Tax & Payroll Software Provider

Excellent Income Tax Software

Exceptional tax preparation and calculation software that embraces TDS, Income Tax, PF, ESIC, and Professional Taxes.

High Quality Taxation Products

A well-known name in the business, Sinewave provides high-quality and reliable GST, TDS, Income Tax, and Payroll software.

Wide Range Of Clientele

We work with a variety of clients including CAs, Cost Accountants, Tax Consultants, Education Institutes, Co-operative Societies, Banks, Service Industries, Small and Medium Businesses (SMEs), and many others across India.

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

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Chandrakant Mamdapure

BEST SERVICE WITH GOOD AFTER SALES SUPPORT | AM USING SINCE 2011

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Yogesh Mahale (YSAP)

We have been using this software since long time, we are pretty satisfied by their services.

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CA - Office Shah

CA

Good experience...have been using since last 15 years

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Kaustubh Paturkar

Really very satisfied with the prompt service provided by sinewave

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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.

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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.

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Doshi Dhruv & Co.

I am using Sinewave Software for Income tax services from last 15 years. Services and solutions are good. Thank you

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Sumit Lodha