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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.

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Latest News
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TaxbaseLANPro Version
Released on : 13/12/2017
Updated Form-29B is incorporated.

TDSPro Version
Released on : 03/11/2017
Covers :-
-CBDT further extends the due date for filing Income Tax Returns and reports of Audit for AY 2017-18 from 31st October 2017 to 7th November 2017.
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.

PaywhizProfessional Version
Released on : 14/10/2017
- CBDT have updated schema for all ITR of AY 2017-18, same is incorporated in this version.
- TIN-NSDL have changed the TDS FVU (File Validation Utility) to 5.6 and 2.152 from 7th Oct 2017, same is incorporated in this version.

VATXpress Version
Released on 28/11/2017

Updated Form 704 (Audit Report) As per modifiedreturn 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.

Improved e-payment of MTR 6.

Updated PAN Verification.

Taxbase GSTPro Version
Released on 11/12/2017
- Query Manager (FAQ) implementation
- Facility to Validate GSTIN is incorporate. 
- Facility to Print Company logo in Sales Invoice. 
- Computation sheet for Regular Dealer is incorporate.



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


Work Force 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, Reciept, Outstanding Register
  • t1 Master File, Challan Payment Status

Other Activities

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