Understanding the D-U-N-S® Number
💡 What is a D-U-N-S® Number?
The D-U-N-S® Number is a unique 9-digit identifier assigned to your company by Dun & Bradstreet.
🌍 Why do I need it?
This number:
Is internationally recognized.
Serves as a reference for clients, suppliers, banks, and governments.
Facilitates credit processes, tenders, and international trade.
👉 On Dunsguide, you can easily obtain or update your D-U-N-S® Number.
Company Information
🔍 How do I find my company?
In the search bar, enter one of the following:
Your company’s legal name
Your Tax ID (RFC, RUC, RUT, CUIT, etc.)
Your D-U-N-S® Number, if you already have it
👉 If your company appears, some fields will auto-fill.
👉 If it doesn’t, you can enter the data manually.
📝 Entering Company Data Manually
Complete the following fields:
Company name (legal entity name)
Trade name (if applicable)
Country (select from dropdown)
Tax ID (RFC, RUC, RUT, CUIT, etc.)
Year of incorporation (e.g., 2010)
Phone number (include country code)
Website (optional)
Number of employees (current staff)
Annual sales (estimated amount and currency)
📍 Company Address
Provide your company’s official registered address:
Address 1: Street and exterior/interior number
Address 2: Neighborhood, office, or additional details (optional)
City: Name of city or municipality
State/Province: Federal entity or province
Country: Auto-completes based on your previous selection
Postal code: Must match your official Tax Certificate
🧾 Validating Your Address
To ensure accuracy:
Verify that the address matches your official tax document.
Enter the postal code exactly as it appears officially.
Avoid abbreviations not shown on official documents.
D-U-N-S® Number in 72 Hours
⚡ What does this option mean?
It’s an expedited service that delivers your D-U-N-S® Number within 72 business hours.
Ideal for urgent processes (tenders, exports, corporate integrations)
Available with any of the three D-U-N-S® plans
Requires that all documents are uploaded correctly and completely
Required Documents for Verification
🌎 Country-Specific Requirements
Upload a valid official document confirming your company’s legal and tax existence:
Country | Required Document |
Mexico | Constancia de Situación Fiscal (SAT) |
Peru | RUC |
Chile | RUT or Certificate of Start of Activities (SII) |
Argentina | CUIT |
Brazil | CNPJ |
Ecuador | RUC |
Uruguay | RUT |
Costa Rica | Legal ID |
Panama | RUC (DGI) |
💡 Tip: Keep your Articles of Incorporation and proof of fiscal address handy, they may also be requested.
Filling Out the BIR (Business Information Report) Form
The BIR Form collects essential details to create a reliable company profile.
👤 Contact and General Data
Legal and trade name
D-U-N-S® Number (if available)
Tax ID (RFC, RUC, RUT, etc.)
Type of company (e.g., corporation)
Contact email and phone
Administrative or legal representative
🌐 Online Presence
Official website
Social media (Facebook, LinkedIn, Twitter, Instagram, YouTube)
🏢 Current Operating Address
Full address (street, neighborhood, postal code, city, state, country)
Office phone(s)
Type of facility (owned, rented, virtual office, etc.)
Year since operating at that location
🏠 Previous Address (if applicable)
Address of the former location
🗂️ Incorporation Data
Date of incorporation
Articles of incorporation
Commercial registry or equivalent
⚙️ Operations
Main activity (industry/sector)
Products or services
Main clients and suppliers
Number of employees
Branches or additional locations
💰 Finances
Annual sales (last year)
Main assets (optional)
Summary of financial information (if available)
Final Recommendations
Have your fiscal and legal documents ready before starting.
If you don’t have exact figures, use reliable estimates.
The information will only be used to validate and generate trusted reports on Dunsguide.