IMPORTANT- Sinewave believes in customer satisfaction and for same your Feedback is of utmost importance, we would like to hear from you on Further, stay up to date on the latest product updates, offers, events, and news via our Social channels.     facebook twitter linkedin google


Best Income Tax Software & HR Management Solutions

Sinewave Computer Services Pvt. Ltd.(ISO 9001:2008) is a 30 years Income Tax & HR Solutions Software development company situated at Pune, Maharashtra, India. Catering to 15,000+ customer base across India. Sinewave is a well known in providing high quality and reliable TDS, VAT, Income Tax calculation and efiling software solutions for Taxation and HR Management in India. Presently Sinewave has a compressive customer coverage right from an Individuals to SMEs. Our clientele sector includes Chartered Accountants (CA's), Cost Accountants (CWA's), Tax Consultants, Education Institutions, Co-operative Societies, Banks, Service Industry, Small and Medium Scale (SME) industrial sector and many more. Our Taxation software offers various facilities like computation & calculation of Income Tax, TDS, Wealth Tax, Advance Tax Register, Billing Management, AIR modules, Office Management & Post filing management at no extra cost.

Try our Income Tax Software

Latest News
marquee_up_arrow marquee_down_arrow

TaxbaseLANPro Version
Released on : 13/07/2018

ITR-5 schema changes dated 13/07/2018 are incorporated.

TDSPro Version
Released on : 10/07/2018
Covers :-

- ITR efiling changes relating to Exempt Income are incorporated.

PaywhizProfessional Version
Released on : 14/07/2018
- Updated ITR Schema of ITR 2, 3, 5, 7 for AY 2018-19 are incorporated 
- New TDS FVU (File Validation Utilty 5.8 and 2.154) is incorporated.

TaxbaseLAN Version

Released on : 01/03/2017
Covers :-
- Changes of new TDS FVU version 5.4 and version 2.150 with updated FVU incorporated in our software.

TaxbaseMini Version 10.5
Released on 18/02/2017

-Acts, Laws and Rules are incorporated in TaxbaseMini.

1.     -Anyone Access without Registration (For some specific features).

1.       -Free Features of App:

a)       a)Know Your ITR-V Status - By PAN &Assessment Year, By e-Filing Acknowledgement Number.

a)       b)Tax Calculators, Tax Calendar and Laws.

ServiceTax Pro Version 1.04.1
Released on 02/08/2017

New ST3 utility V1.10 Incorporated.

New ST3 utility V 1.9 Incorporated

Financial Year 2017-2018 Incorporated.

Interest Code for Swatch Bharat Cess and Krishi Kalyan Cess in Challan is incorporated.

New provision of Krishi Kalyan Cess in Quick Challan is incorporated.

Interest Rate updated as per department.

VATXpress Version
Released on 27/03/2018

Incorporated Financial Year 2018-2019.

New Annual Revised Return Template (Ver 1.0.000)is incorporated.                        

New Consolidated Report for FY 2016 onward.

Updated Form 704 (Audit Report) As per modified return template.

Copy Consolidated Data from Monthly/Quarterly Return to Annual Return.

Consolidated Computation Sheet for FY 16-17 onward.

Incorporated Financial Year 2017-2018.

Included updated Form IIIB (PTRC) return

Included updated return(version 3.0.000) 231,232,233,234,235 and CST.

Taxbase GSTPro Version
Released on 13/07/2018

- Facility to pick the data form month of April and May in June(Q1)-2018 in GSTR-1.



TDSPro - TDS Software

  • t1 100% Accurate
  • t1 TDS Preparation
  • t1 Calculation & Efiling
  • t1 Quarterly Returns filing
  • t1 Generate Form 16, 16A, 27D

VATXpress- VAT/MVAT Software

  • t1 Calculate VAT Liability & Return
  • t1 VAT Preparation & Calculation
  • t1 Calculates TDS, PT, E payment
  • t1 Statutory, Audit Report
  • t1 CST Preparation & Computation

Taxbase Personal- ITR-Software

  • t1 Automated IT Management
  • t1 Tax Computation
  • t1 ITR Preparation & Filing
  • t1 Documents Management
  • t1 Online Access to IT Data

TaxbasePro - ITR Software

  • t1 ITR Computation
  • t1 Advance Tax Management
  • t1 Online Tax Payment
  • t1 SMS/Email Reminders
  • t1 Generate Form 16, 16A, 27D

Digital Signature Certificate

  • t1 Get in 1 Hour
  • t1 Class I, II, III DSC
  • t1 OTP based e-kyc using Aadhar
  • t1 Document based DSC
  • t1 Easy to Use

Taxbase GSTPro - GST Software

  • t1 Converts Existing Registration
  • t1 In/Outward Supplies Invoicing
  • t1 GST Returns Filing
  • t1 Input Tax Credit Registers
  • t1 Verification, Ledger Balance

Paywhiz - Employee Payroll Software

  • t1 Classify, Store Payroll Data
  • t1 Coverage of PF, ESIC & PT
  • t1 TDS Estimation, Salary Statement
  • t1 Form 16, Form 24 with e-Filing
  • t1 Best of MNCs, SMEs, Schools, Colleges etc

TaxbaseMini - ITR Android App

  • t1 Real Time Information Sharing
  • t1 Connect Tax Professionals & Customers
  • t1 Instant Tax calculation
  • t1 Instant Communication
  • t1 Group & Assessee Info

Form 3CD Utility

  • t1 Separate Audit Report
  • t1 Lock/Unlock
  • t1 Easy Excel Import/Export
  • t1 Detail & Summary Reports


Work Flow Management System

  • t1 Work Assignment
  • t1 Master Data Creation
  • t1 Assign Access Rights
  • t1 Store Contact Information
  • t1 Document Management

ServiceTaxPro - ServiceTax Software

  • t1 Monthly, Quarterly Challan(GAR7)
  • t1 Half Yearly Returns
  • t1 ST1, ST3, ST4, ST5, ST6, ST7
  • t1 Bill, Receipt, Outstanding Register
  • t1 Master File, Challan Payment Status

Other Activities

Contact Us


T-22, 3rd Floor, Super Mall, Salunke Vihar Road, Wanowrie, Pune - 411040, Maharashtra, India.