United States federal
SAM.gov Contract Opportunities
The canonical U.S. federal notice surface. Search is public; saved searches and interested-vendor actions require an account.
Free search
Curated reference · Gixo Arc
Official procurement portals
A practical starting set of official national and multilateral tender sources—not paid RFP aggregators.
How this list is selected
Included sources publish first-party opportunity notices or procurement guidance. Search coverage, registration and bid submission vary; check the buying body's notice before relying on an aggregator copy.
Canada federal and participating public sector
CanadaBuys Tender Opportunities
Canada's official tender and award source. Read each opportunity because electronic bid delivery is not uniform.
Free search; supplier registration for bids
United Kingdom lower-value public contracts
Contracts Finder
Useful for England and non-devolved bodies; higher-value notices move to Find a Tender and devolved nations have their own services.
Free search
United Kingdom higher-value notices
Find a Tender
Use for procurements above the applicable threshold; always read the notice's procurement timetable and submission route.
Free search
European Union and EEA public procurement
Tenders Electronic Daily (TED)
The EU's official supplement to the Official Journal. Strong filters, but documents may live on a buyer's national platform.
Free search and data downloads
Australian Government
AusTender
The Australian Government procurement information system. State and local opportunities are published elsewhere.
Free search; account for watchlists
New Zealand public sector
Government Electronic Tenders Service (GETS)
The central New Zealand tender service; registration is needed to access some documents and submit responses.
Free registration
Singapore Government
GeBIZ
One-stop opportunity and award portal. Trading-partner registration unlocks quoting and tender participation.
Public opportunities; registration for transactions
UN organisations
United Nations Global Marketplace
A cross-agency source, but vendor eligibility and submission systems remain agency-specific.
Free basic registration
World Bank-financed projects
World Bank Procurement Notices
Search project procurement notices and plans; the borrower or implementing agency usually runs the actual competition.
Free search
ADB-financed projects and consulting
Asian Development Bank Business Opportunities
Separates institutional procurement from project opportunities and consulting services—choose the correct lane before preparing a response.
Free search
IDB institutional and project procurement
Inter-American Development Bank Procurement
A useful regional source; project notices may direct suppliers to an executing agency's documents.
Free guidance and notices
AfDB-financed projects
African Development Bank Procurement
Covers project notices, procurement plans and institutional opportunities; confirm which entity receives the bid.
Free search
India central government
Central Public Procurement Portal
The central e-procurement application. Digital signing, enrolment and tender-specific prerequisites can apply.
Public search; registered bidding
Philippines public procurement
PhilGEPS Opportunities
The official notice surface for Philippine government procurement; supplier membership level affects transaction access.
Public notices; supplier registration
NATO Support and Procurement Agency
NSPA eProcurement
A specialist defence and logistics source. Eligibility, security and vendor registration requirements deserve early review.
Public opportunities; registration for participation
Turn the source material into a governed workflow
The directory stays free and outward-linking. Gixo Arc adds saved workspaces, reviews, evidence and clean deliverables.
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