GST Filing
Never miss a GST deadline again — expert monthly, quarterly, and annual GST filing with…
Business Setup.Compliance.Growth.
Calcutta Corporate is a full-service CA, CS & legal advisory firm in Kolkata — trusted by 1000+ businesses for company registration, GST, audit, trademark, NGO, FCRA, and all compliance needs across India.
ISO 9001:2015Certified Company
1000+ ClientsAcross India
ICAI · ICSIRegistered Professionals
Since 2010Two Kolkata offices
1000+Clients Assisted
14+Years Experience
5.0Google Rating
Pan-IndiaServices Available
How Can We Help Your Business Today?
Private Limited Company
Set up your Private Limited Company (Pvt Ltd) with full legal protection, investor-ready…
Audit Services
Accurate, independent, and timely audit services — statutory, internal, tax, and GST…
Trademark Registration
Protect your brand name, logo, and identity with a registered trademark — legally…
NGO Registration
Set up your NGO, Trust, Society, or Section 8 Company with complete registration, 12AA,…
Fund Raising & DSCR
Secure bank loans, optimize working capital, and attract investors with meticulously…
Rated 5.0 on Google 104 verified reviews
ISO 9001:2015 Certified Company
ICAI Registered CA
ICSI Registered CS
ICMAI Registered CMA
Our Core Services
Everything Your Business Needs, Under One Roof
End-to-end corporate, legal and compliance solutions tailored for your business.
Business Registration
- Private Limited Company Registration
- LLP Registration
- OPC Registration
- Partnership Firm
Tax & Compliance
- GST Registration & Filing
- GST Return Filing
- Income Tax Return Filing
- ROC & MCA Compliance
Licenses & Registrations
- Trade License
- FSSAI Registration
- MSME / Udyam Registration
- IEC — Import Export Code Registration
Legal & Advisory
- Trademark Registration
- NGO Registration
- 12A & 80G Registration
- CSR Registration
Audit & Accounts
- Audit & Assurance Services
- Statutory & Tax Audit
- Bookkeeping & Accounts Preparation
- Payroll & PF/ESIC Management
Advisory & Growth
- Virtual CFO Services
- Startup Funding Advisory
- Valuation Services
- Financial Modeling
How We Work
Simple. Transparent. Hassle-free.
Tell Us Your
Requirement
Share your business needs with our experts
Get Checklist
& Quote
Receive document checklist and transparent quotation
We Prepare
& File
Our experts prepare and file with the authorities
Track Your
Application
Real-time updates till your application is processed
Receive Completion
& Support
Get final documents and ongoing compliance support
About the Firm
Your trusted partner for business setup, compliance, and growth.
- ISO 9001:2015 Certified
- ICAI Registered Chartered Accountants
- ICSI Registered Company Secretaries
- ICMAI Registered Cost Accountants
What Our Clients Say
Trusted by growing businesses.
Firstly I met Joydip Sarkar for my company formation 2 years ago. A perfect gentleman who handled all my queries with patience and proper knowledge. Highly recommend Calcutta Corporate.
Santosh Singh
Company Formation · 2024
Excellent service and professional approach. They handled company registration and compliance work very smoothly. Very pleased with the entire experience.
Akash Paul
Company Registration · 2024
Calcutta Corporate did an excellent job auditing our private limited company and delivered accurate, thorough reports well within deadlines. Highly professional team.
Arnab Debnath
Audit Services · 2024
In one word it's a best firm. Young and energetic professionals. Helped me a lot in income tax matters and accounting matters.
Mohan Bandaru
Income Tax & Accounting
Exceptional team. They handled our trademark registration and GST compliance seamlessly. Very knowledgeable and always available to answer queries.
Rajesh Bose
Trademark & GST · 2024
Calcutta Corporate helped us with Section 8 company registration and 12A/80G approvals. The team was thorough, prompt and made the entire process completely hassle-free.
Priya Mukherjee
NGO & 12A/80G · 2025
Knowledge Center
View All Articles
Stay informed on compliance, tax & business law.
Insights & updates from the Calcutta Corporate team.
Business Advisory Jun 26, 2026
Why Choosing the Right CA Firm Matters for Your Business Growth
2 min read
GST Update May 15, 2026
GST Changes May 2026: New Compliance Rules, Bank Validation Mandatory & 57th Council Meeting Preview
1 min read
Company Law May 14, 2026
ROC & MCA Compliance Calendar 2026–27: Annual Filing Deadlines for Companies and LLPs
1 min read
