Blog
Guides on UN/UNGM tenders, US SLED procurement, and RFP compliance for government contractors.
NIGP vs NAICS vs UNSPSC Codes: What Contractors Need to Know
NIGP, NAICS, and UNSPSC codes explained: what each one classifies, who uses it, how they relate, and how to figure out which ones your business actually needs.
July 4, 2026
PSEA Declaration & UN Compliance Requirements Guide
What PSEA declarations are, why UN agencies require them in tenders, what you actually need to have in place, and the mistakes that get supplier submissions flagged.
July 4, 2026
Two-Envelope Submissions Explained (UN Tenders)
How the two-envelope bidding system works in UN procurement, why agencies use it, and how to avoid the price-leak mistake that gets technical submissions disqualified.
July 4, 2026
How to Register on UNGM: Step-by-Step Guide (2026)
A complete walkthrough of UNGM registration: what you need before you start, the Basic vs. Full registration levels, and the mistakes that slow suppliers down.
July 4, 2026