Documents for DUNS number India applications change slightly depending on your business structure. A sole proprietor doesn’t submit the same paperwork as a private limited company. Get the wrong document ready, and verification stalls before it even starts.
Here’s the complete checklist, broken down by business type, so you can gather exactly what your application needs.
Core Documents Every Business Needs
Regardless of structure, these five documents form the base of almost every DUNS application.
| Document | Purpose |
| Business registration proof | Confirms legal existence |
| PAN card | Confirms tax identity |
| GST registration certificate | Confirms operational address and activity |
| Registered address proof | Confirms location matches public records |
| Authorized signatory ID and contact details | Confirms who D&B can verify with |
Every business type below builds on this base, with small additions specific to its structure.
Checklist for Private Limited Companies
Private limited companies need the fullest document set, since D&B verifies against corporate registration records.
- Certificate of incorporation from the Registrar of Companies
- PAN card in the company’s name
- GST registration certificate
- Memorandum and Articles of Association, if requested
- Registered office address proof
- Director identification details for the authorized signatory
Name mismatches show up most often in this category. The name on your incorporation certificate must match your PAN and GST exactly. Even “Private Limited” versus “Pvt Ltd” formatting counts as a mismatch.
Checklist for LLPs (Limited Liability Partnerships)
LLPs follow a similar path to private limited companies, with one key difference in registration proof.
- LLP incorporation certificate or LLP agreement
- PAN card in the LLP’s name
- GST registration certificate
- Registered office address proof
- Designated partner details for the authorized signatory
Keep your LLP agreement handy even if not requested upfront. D&B sometimes asks for it during manual verification if partner details need extra confirmation.
Checklist for Partnership Firms
Partnership firms without LLP registration use a slightly different base document.
- Partnership deed, registered or notarized
- PAN card in the firm’s name
- GST registration certificate, if applicable
- Business address proof
- Details of one authorized partner as the signatory
Unregistered partnerships can still apply, but a notarized partnership deed strengthens verification significantly. Skip this, and expect a longer review.
Checklist for Sole Proprietorships
Sole proprietors don’t have an incorporation certificate, so a different set of documents proves legal existence.
- Udyam registration certificate, or equivalent MSME registration
- PAN card, either business or individual, depending on registration type
- GST registration certificate, if turnover requires it
- Business address proof, such as a utility bill or rent agreement
- Proprietor’s ID proof as the authorized signatory
This category sees the fastest approvals when Udyam registration is already in place. Without it, D&B relies more heavily on GST and address proof alone.
Checklist for Export-Focused Businesses
Businesses actively exporting need a couple of extra documents alongside the core set.
- Import Export Code (IEC) certificate
- Bank certificate or AD code registration, if applicable
- All core documents listed above, matched exactly
Export businesses also benefit from listing trade references with D&B after registration. It strengthens the credit profile foreign buyers check before signing contracts.
Quick Reference Table by Business Type
| Business Type | Key Registration Document |
| Private Limited | Certificate of Incorporation |
| LLP | LLP Incorporation Certificate |
| Partnership | Partnership Deed |
| Sole Proprietorship | Udyam / MSME Certificate |
| Export Business | IEC Certificate + Core Set |
Common Document Mistakes to Avoid
These mistakes cause the most delays, regardless of business type.
- Submitting an old address that doesn’t match current GST records
- Using a shortened or informal version of the legal business name
- Missing signatory ID proof, leaving D&B unable to confirm ownership
- Submitting photos of documents instead of clear PDF scans
Fix these before applying, and most businesses clear verification without a single follow-up request.
Documents for DUNS number India registration depend on your business structure, but the goal stays the same across every type. Prove your business exists, prove your address is current, and give D&B someone to verify with.
Match every document exactly, and the free registration process moves as fast as it possibly can.