From Salt Lake Sector V's IT corridors to New Town's smart-city startups, from Park Street's heritage trading houses to Howrah's industrial clusters — Sirus Infotech registers every business structure under ROC West Bengal. Fully digital. No government office visits.
From solo founders to multi-stakeholder enterprises — we register every legal business structure under ROC West Bengal, Kolkata.
Kolkata's business culture spans centuries — from jute and tea trading empires to modern IT startups in Sector V. Our CA team understands both legacy and new-age business needs.
400+ company incorporations filed under ROC Kolkata (Nizam Palace). We know Bengal-specific documentation, officer timelines, and name approval patterns intimately.
Salt Lake Sector V and New Town Rajarhat have unique IT company needs — STPI registration, SEZ compliance, and West Bengal IT Policy benefits. We navigate all of it.
Kolkata's century-old partnership firms converting to Pvt Ltd for succession planning and B2B credibility — we specialise in this transition with zero business interruption.
DSC → DIN → RUN Name Approval → SPICe+ Filing → Certificate of Incorporation — all within 7 working days, tracked every step via WhatsApp.
Our team communicates in Bengali and Hindi — ensuring Kolkata's traditional business community and first-generation founders understand every legal step clearly.
Company + GST registration + Bank account assistance + DPIIT Startup India + West Bengal IT Policy application + Trademark — one team handles everything.
Our MCA21-based digital process means you never visit ROC West Bengal's Nizam Palace office. All documents shared via WhatsApp, all updates in real-time.
Call/WhatsApp or fill the form. Our CA recommends the right structure for your Kolkata business model.
Digital Signature Certificate and Director Identification Number obtained for all directors within 1–2 days.
Company name reserved via MCA21 RUN portal. We check trademark conflicts and ROC West Bengal availability.
Memorandum & Articles of Association drafted. SPICe+ form filed with ROC Kolkata on MCA21 portal.
Certificate of Incorporation, PAN, TAN, and GSTIN (if requested) delivered to WhatsApp and email.
From North Kolkata's historic trading lanes to Rajarhat's smart corridors — we serve every Kolkata and West Bengal pincode under ROC jurisdiction.
Our CA experts created this comprehensive guide on company registration in India — covering every step from DSC to Certificate of Incorporation, tailored for Kolkata's diverse entrepreneur community.
Which Company Type to Choose — Pvt Ltd vs LLP vs OPC explained for Kolkata's IT startups, trading firms, and family businesses.
ROC West Bengal Process — How DSC, DIN, SPICe+ and your Certificate of Incorporation work under Nizam Palace ROC jurisdiction.
Post-Registration Compliance — What every Kolkata Private Limited Company must file with ROC West Bengal annually to avoid penalties.
Keep these ready digitally (scanned JPEG/PDF). Our CA verifies every document for MCA21 compatibility before filing with ROC West Bengal.
Verified reviews from founders, traders and professionals across Kolkata who trusted us for company registration.
Our IT startup in Salt Lake Sector V needed Private Limited registration quickly — we had a client contract waiting. Sirus Infotech completed the entire ROC West Bengal filing in 9 days and also filed for DPIIT Startup India recognition. Outstanding service!
Amar family-er jute trading partnership ke Private Limited e convert korte cheye chhilam. Sirus Infotech-er CA team Bengali-te explain korechhe sab kichhu. Certificate MCA theke asche 8 din-e. Khub bhalo experience!
I wanted to register an NGO in Jadavpur focused on education. Sirus Infotech guided me on Section 8 Company registration, 80G and 12A applications. The entire process was managed on WhatsApp — even the CA consultations. Highly recommended!
Every question below reflects actual scenarios from Kolkata's unique business community — IT startups, family trading houses, NGOs, and Bengal's diverse industries.
Join 3,000+ businesses across West Bengal that trust Sirus Infotech. CA & CS verified, ROC West Bengal specialists, Bengali consultation available. Certificate of Incorporation delivered without a single office visit.