CALCULUS helps you kickstart and legitimize your business operations by securing all mandatory and industry-specific registrations, licenses, and codes. We simplify the process, eliminate red tape, and ensure you meet every legal requirement from Day 1.
1. 🆔 PAN & TAN Application
What it includes:
- PAN (Permanent Account Number): Mandatory for opening bank accounts, filing income tax returns, and conducting financial transactions.
- TAN (Tax Deduction and Collection Account Number): Required for businesses that deduct TDS/TCS under the Income Tax Act.
Why it matters:
- PAN is essential for identity and taxation.
- TAN is mandatory to deduct and deposit TDS on salaries, contractor payments, rent, etc.
Why Choose CALCULUS?
We ensure accurate documentation and speedy processing—your PAN/TAN gets linked to your entity correctly the first time.
2. đź’Ľ GST Registration
What it includes:
- Registration under Goods and Services Tax (GST) for businesses with turnover above the threshold or opting voluntarily.
- Selection of appropriate schemes:
- Regular Scheme
- Composition Scheme
- State-wise registration for multi-location businesses.
Why it matters:
- Required to collect GST, claim ITC, and remain tax compliant.
- Non-registration may lead to penalties and disallowance of ITC.
Why Choose CALCULUS?
We guide you through correct scheme selection, error-free portal filing, and post-registration compliance setup.
3. 🏠MSME/Udyam Registration
What it includes:
- Online registration under Udyam Portal for Micro, Small, and Medium Enterprises.
- Categorization based on investment and turnover.
- Udyam Certificate generation for proof of MSME status.
Why it matters:
- Enables access to:
- Subsidized loans
- Government tenders
- Tax and electricity concessions
- Priority sector lending
Why Choose CALCULUS?
We ensure correct classification and registration, helping you unlock maximum MSME benefits and incentives.
4. 🌍 Import Export Code (IEC)
What it includes:
- Online application and issuance of IEC from DGFT (Directorate General of Foreign Trade).
- Necessary for businesses engaged in import or export of goods/services.
- Linking IEC with PAN and GST.
Why it matters:
- Mandatory for international trade.
- Without IEC, customs authorities will not permit exports or imports.
Why Choose CALCULUS?
We provide end-to-end IEC support—application, modification, and renewal—ensuring global trade access without delay.
5. đź§ľ FSSAI, Trade, and Shop Licenses
What it includes:
- FSSAI Registration: For food businesses, manufacturers, and eateries.
- Trade License: From local municipal corporations to operate within city limits.
- Shop & Establishment License: For all commercial establishments under state labor laws.
Why it matters:
- Essential for legal operations and avoidance of fines, closures, or public complaints.
- Especially critical in regulated industries like food, retail, and services.
Why Choose CALCULUS?
We handle documentation, liaison with authorities, and follow-ups to deliver licenses smoothly and legally.
6. 👥 PF/ESI Registration
What it includes:
- Provident Fund (PF): Mandatory for employers with 20+ employees to provide retirement benefits.
- Employee State Insurance (ESI): Compulsory for eligible employers to offer health benefits.
Why it matters:
- Non-compliance attracts heavy penalties and can affect employee welfare & retention.
- Required for payroll processing, audits, and government inspections.
Why Choose CALCULUS?
We register your business under PF/ESI portals, assist with monthly filings, and ensure full labor law compliance.

