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Quickly find and navigate to all services, business calculators, compliance tools, startup spotlights, and company resources.
Company Formation & Business Registrations
Incorporate and register Private Limited Companies, LLPs, Sole Proprietorships, and OPCs in India.
Private Limited Company Registration
Most popular structure for high-growth startups & investments
LLP Registration
Limited liability with lower ongoing compliance burden
Sole Proprietorship Registration
Simplest business structure for solo founders
One Person Company (OPC) Registration
Corporate entity with 100% single owner control
Partnership Firm Registration
Traditional partnership structure registered under the Partnership Act
Startup India DPIIT Registration
Govt RecognitionGet 3-year tax exemption and government scheme benefits
Udyam / MSME Registration
InstantOfficial MSME certificate for bank subsidies and priority lending
FSSAI Food License Registration
Mandatory license for all cloud kitchens and food establishments
GST & Indirect Taxation
End-to-end GST registrations, monthly/quarterly filings, and tax notices resolution.
Online GST Registration
Get 15-digit GSTIN within 3-5 business days
GST Return Filing (GSTR-1, 3B, 9)
Automated error checks and prompt filing by expert CAs
GST Cancellation & Surrender
Proper legal surrender of inactive GSTINs without penalty
GST Revocation Application
Restore cancelled GST registrations through formal appeals
HSN & NIC Code Finder
Free ToolSearch correct 4, 6, or 8-digit HSN & SAC codes
GST Registration Eligibility Checker
Free ToolCheck if your turnover mandates GST registration
GST Calculator
Free ToolCalculate CGST, SGST, IGST inclusive and exclusive amounts
GST Interest Calculator
Free ToolCalculate 18% / 24% Section 50 interest on delayed returns
Income Tax & Annual ROC Compliance
Direct tax returns, TDS compliance, and mandatory Ministry of Corporate Affairs (MCA) filings.
Income Tax Return (ITR) Filing
ITR-1 through ITR-7 filing for individuals, LLPs, and companies
TDS Return Filing (24Q, 26Q, 27Q)
Quarterly TDS deductions, payments, and Form 16/16A generation
Annual ROC Compliance (AOC-4 & MGT-7)
Mandatory MCA filings to keep company status Active and compliant
Director KYC (DIR-3 KYC)
Annual digital verification of DIN numbers
Income Tax Calculator (New vs Old Regime)
Free ToolCompare tax liability under Section 115BAC vs Old Regime
TDS & Advance Tax Calculator
Free ToolCompute withholding tax rates across various expense sections
Compliance Due Date Generator
HotCustom compliance calendar tailored to your business turnover
ROC & GST Penalty Calculator
Free ToolCompute daily delay fines under Companies Act & GST Act
PPF Calculator
Free ToolCalculate maturity values and tax savings under 80C
Interactive Tools & Calculators
Explore 15+ free business calculators, name checkers, and compliance simulators.
All Interactive Tools Directory
HubCentral dashboard with all CorporateSaathi tools
Company Name Availability Checker
Verify unique name availability per MCA RUN guidelines
Business Structure Selector
Smart quiz to identify ideal business structure
Company Registration Cost Calculator
Calculate total state-wise stamp duty and govt filing fees
TDS Interest Calculator (Sec 201)
Calculate 1% and 1.5% interest on late TDS deduction/deposit
Startup Ecosystem & Spotlight
Spotlighting innovative Indian founders, tech ventures, and success stories.
Company, Resources & Legal Policies
Learn about CorporateSaathi, read legal guides, contact support, and view policies.
About CorporateSaathi & Zuggu Innovation
Our mission, leadership, and CA/CS expert network
All Services Catalog
Full catalog of all incorporation and taxation services
Legal & Tax Articles (Blog)
Guides, GST updates, MCA circulars, and founder tips
Careers & Hiring
Join our technology and legal operations team
Contact Support Team
Get in touch with customer assistance and CA support
Frequently Asked Questions (FAQ)
Answers to common questions about services and timelines
Terms & Conditions
Platform usage agreement and user terms
Privacy Policy
Data privacy, security, and document handling practices
Refund & Cancellation Policy
Transparent refund policy and service guarantee