30000+ Happy Tax Professionals

8 Lakh Businesses

5 Million GST Returns filed

India's most trusted GST platform.

Use OPTOTAX, which is trusted by thousands of CAs, Tax Advocates and Tax Practitioners from all parts of India.

OPTOTAX helps Tax Professionals from all across the country to file GST returns and download full year reports in Excel. Optotax is a powerful tool that make the whole process easier and much more efficient for Tax Professionals.


Exclusively For Tax Professionals.

The best Tax Professionals are those who can effectively collaborate with their clients. Effective collaboration allows you to be more reliable, flexible, and scalable. Above all, working together helps turn transactions into lasting relationships.

OPTOTAX helps Tax Professionals manage their clients effectively. Adding and managing clients, Automatic Tax Computations for GST, Seamless GST Returns preparation, GSTN OTP Authentication and GST Return Filing in a one-stop end-to-end solution.


Only for Tax Professionals

Exclusive GST platform available only for TAX Professionals.

Managing clients

Single screen to manage all your clients from a single login ID.

Full Year reports

All reports in excel format which help analyze year round filings and data.

One Stop Shop

One stop shop designed for end to end GST Return filing through DSC and EVC.

Unlimited Systems & Users

Works on multiple systems with unlimited users. Anywhere anytime access – no installation required.

Statutory Compliant

Statutory compliant with updated GST return forms, HSN codes, etc.


Fund your clients’ growth today with OptoCapital

OptoCapital helps Chartered Accountants, Tax Advocates, and Tax Practitioners support all business loan requirements of clients. To help clients get easy, fast and flexible business loans, we partnered with some of the most reputed banks & NBFCs.

OptoCapital offers term loans to help clients manage business expenditures like expansion and procurement of plant and machinery.

OptoCapital offers customized working capital loans to manage day to day operations or short-term capital requirements. A working capital loan helps in procuring raw material, pay suppliers in advance, manage overhead costs like rent and employee salaries.

Simple process

Simple application format. Application can be completed under 5 minutes.

100% digital

No need for any physical documents, our processes are completely digital.

Quick turn-around time

We process all your unsecured loan applications in 3 days on an average.


Loans only through Premium Tax Professionals.

Best in class Incentives

We offer best in the industry incentive structure to Tax Practitioners.

Data Security

All your data is 100% secure with us, we ensure bank-grade security standards.