When a World Bank or Asian Development Bank (ADB) project is announced, contractors face a critical question before writing a bid: Can I compete, and under which rules? The answer hinges on one thing: whether the contract will be procured via ICB or NCB. These two acronyms determine who can bid, how much documentation you need, what language to use, and whether you're competing against global firms or just domestic ones.
For mid-market contractors and SMEs new to multilateral development bank (MDB) financing, this distinction is make-or-break — missing it can disqualify your bid outright.
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What is ICB? (International Competitive Bidding)
ICB stands for International Competitive Bidding. It means the contract is open to contractors from any country, with no nationality preference or restrictions (with rare exceptions for fragile or conflict-affected states).
Key characteristics of ICB:
- Open worldwide — firms from OECD countries, Asia, Africa, the Americas can all compete on equal footing
- High contract value — typically used for large contracts where global expertise and pricing matter
- English documentation — bid documents, specifications, and communications are in English
- International standards — evaluated against World Bank or ADB standard bidding documents (SBDs)
- Hard competition — you're competing against established firms, often with lower costs or proven track records
- ICB threshold — World Bank uses USD 5 million for Works (infrastructure, construction); USD 1.5 million for Goods/IT; ADB uses USD 3–404 million for works depending on region and project type
- No domestic price preference — the lowest evaluated, responsive bid wins regardless of firm origin
ICB Example:
A World Bank-financed road rehabilitation project in Ghana with a USD 8 million civil works contract goes to ICB. This means Brazilian construction firms, Indian consulting companies, and Pakistani engineering contractors all receive the same RFP. Winning bid is awarded purely on price, quality, and compliance.
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What is NCB? (National Competitive Bidding)
NCB stands for National Competitive Bidding. It means the contract is procured exclusively for contractors registered or operating within the host country (with some exceptions for goods/services unavailable locally).
Key characteristics of NCB:
- Domestic firms only — only companies legally registered in the project country can bid (or international firms with local offices/partnerships)
- Lower contract value — typically applied to smaller, routine contracts ($100K–$1 million range, below ICB threshold)
- Local language permitted — bid documents can be in the local language (Swahili, Amharic, etc.), though increasingly in English
- Local procurement law — evaluated under the host country's national procurement act, not MDB standards
- Domestic price preference — many countries apply 10–15% price preference favoring local firms
- Faster approval — MDBs usually fast-track NCB contracts (no MDB procurement review required in some cases)
- Local currency — contracts often paid in local currency, reducing exchange risk for local firms
NCB Example:
A USD 800,000 World Bank-financed school supply procurement in Tanzania goes to NCB. Only Tanzanian-registered suppliers can bid. The tender is published in Tanzania's national gazette and uses Tanzanian procurement law. A 10% local preference is applied to bids from Tanzanian-owned SMEs.
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How Do ICB vs NCB Thresholds Work?
The threshold is the pivot point. Once a contract exceeds a specific value, it shifts from NCB → ICB. Here's how:
| MDB | Works (Construction) | Goods/Services/IT | Consulting |
|-----|---|---|---|
| World Bank | ICB if > USD 5M | ICB if > USD 1.5M | ICB if > USD 250K–1M |
| ADB | ICB if > USD 3–50M (regional variation) | ICB if > USD 1–5M | ICB if > USD 100K–500K |
| AfDB | ICB if > USD 2.5M | ICB if > USD 1M | ICB if > USD 150K–500K |
| IDB | ICB if > USD 3M | ICB if > USD 1M | ICB if > USD 100K |
Critical rule: If a contract sits below the threshold, it's typically NCB (open to domestic firms only, fast-tracked). If it exceeds the threshold, it must go to ICB. Some MDBs allow exceptions: waiving ICB for goods unavailable domestically, or bundling small contracts to stay below ICB (though this can trigger MDB reviews).
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The Procurement Process: ICB vs NCB in Action
ICB Process (International):
- MDB approves project — project includes detailed procurement plan listing all planned contracts and their ICB/NCB status
- RFP issued globally — published on World Bank UNDB+ or ADB-Tenders, in English, advertised for ~4–6 weeks
- Worldwide eligibility check — firms from any MDB member country can register
- Technical evaluation — World Bank/ADB procurement officer reviews bids against detailed criteria (experience, capacity, compliance)
- Financial evaluation — lowest evaluated, responsive bid wins
- MDB review — prior to award, MDB procurement team reviews all bids; can reject if non-compliant
- Board approval (if high-value) — some ICB contracts over USD 20M+ require MDB board sign-off
- Contract signature — typically 8–12 weeks from RFP to award
NCB Process (National):
- Project approved — procurement plan notes NCB method
- RFP published locally — in national gazette or government website, usually in local language or English
- Domestic eligibility check — only registered domestic firms (or firms with local entities) can bid
- Local procurement law applied — evaluated under country's public procurement rules, not MDB SBDs
- Domestic preference applied — 10–20% scoring bonus or price reduction for local/SME bidders (varies by country)
- Award — lowest responsive bid wins (after preference adjustment)
- Fast approval — if below certain thresholds, no MDB procurement review; country can award directly
- Speed advantage — typically 4–8 weeks from RFP to award
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Why This Matters for Contractors
For international/global firms:
- ICB is your playground — compete globally, but you need scale and experience
- Avoid NCB — you're usually ineligible unless you have a local subsidiary or partner
- Timeframe longer — ICB processes take 8–12 weeks; budget accordingly
- Documentation intensive — World Bank SBDs demand comprehensive company histories, financial audits, technical proposals
For local/domestic firms:
- NCB is your advantage — you get price preference (10–15%) and faster timelines
- Prepare for ICB threats — if your country's market opens to ICB (after privatization, regional trade agreements), international competitors will arrive
- Build scale for ICB — if you want to bid ICB, invest in certifications (ISO 9001, safety standards), proven experience on similar projects, and English-language capacity
For mid-market/regional firms:
- Target ICB in your region — e.g., if you're a Kenyan engineering firm, bid ICB in East Africa (ADB, World Bank projects in Ethiopia, Tanzania, Uganda)
- Form consortia — pair with a local firm in the host country to combine global credibility with domestic advantage
- Threshold arbitrage — if a project is split into multiple contracts, one may be ICB (above threshold), others NCB (below threshold); target the NCB portion as the lead partner
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Common Pitfalls & FAQs
"I'm eligible for ICB. Why was my bid rejected?"
Reason: You met the nationality requirement but failed to meet tender-specific criteria:
- Missing required certifications (ISO, safety clearance, WHO prequalification)
- Inadequate experience for the contract scope (e.g., first-time bidder on USD 10M works)
- Non-compliance with technical specifications (e.g., proposed subcontractor with lower ratings)
- Poor financial proposal (e.g., bid deviates from bill-of-quantities assumptions)
Lesson: Eligibility ≠ Competitiveness. Read the evaluation criteria. Bid only if you meet 80%+ of the technical requirements.
"The tender says NCB. Can I still bid?"
Short answer: Only if:
- You have a registered office in the host country, OR
- You partner with a registered local firm (who becomes the prime contractor), OR
- The specific goods/services you're providing are not available locally (rare waiver)
Most commonly, international firms bid NCB as senior advisors to a local prime contractor, accepting lower margin in exchange for market entry.
"We lost an ICB bid to a lower price. How do we compete?"
Three options:
- Reduce overhead — revisit your supply chain, overhead allocation, and subcontractor costs
- Differentiate on quality/timeline — if your bid was rejected only on price, next time emphasize faster delivery, better aftercare, or lower risk
- Target NCB instead — shift strategy to countries where you have local presence and can access price-preference
"What if ICB has a domestic price preference?"
Rare but real: Some countries negotiate modified ICB with the MDB, allowing 10–15% price preference for domestic firms even in ICB. Check the RFP. If included, price your bid higher to account for this scoring handicap.
"We're a small firm. Should we avoid ICB?"
Not necessarily. If you have:
- Proven experience on similar projects (case studies, references)
- Relevant certifications (ISO, safety, environmental, quality)
- A strong technical proposal (not just low price)
...then compete ICB as part of a joint venture with a larger firm or regional leader. You'll get exposure, case studies, and future solo bids will be stronger.
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Related Resources on BidsFactory
Ready to find ICB and NCB tenders? Start here:
- Browse World Bank tenders — filter by contract type and value to identify ICB vs NCB thresholds
- Browse ADB tenders — Asia-Pacific region with clear procurement method in each tender
- Explore by contract type — services, supplies, works, consulting — each has different ICB thresholds
- Find tenders by country — example: Kenya; see the mix of ICB (World Bank regional, ADB sub-regional) and NCB (Kenyan government, EU-funded)
- Search recent awards — analyze which firms won — were they local or international? This tells you the winning strategy for your market
Our tip: Filter tenders by contract value — focus on contracts just above ICB thresholds (USD 5–10M for World Bank works) where competition is intense but not overwhelming. Then build your team and bid.
Start your search today on BidsFactory and land your next MDB-financed contract.
