The verdict in three sentences
For Southeast Asian mining contractors, a haul truck or excavator down for want of a filter or track link costs a ballpark of 5,000 SGD a day or more, and buyers still source parts through calls, emails and WhatsApp groups. A B2B marketplace for mining equipment spares, run from Singapore and connecting mines, contractors and verified sellers across Indonesia, the Philippines and Australia, is a 2026 ballpark of 90,000 to 150,000 SGD over 5 months. The model works if the platform takes a 6 to 10 % commission and guarantees answers to urgent requests in under 4 hours.
The problem: scarce parts, urgent buyers, scattered sellers
Nickel, coal and gold operations in Indonesia and the Philippines, and their contractors (earthmoving, ore haulage, drilling), run haul trucks, hydraulic excavators and loaders whose wear parts turn over fast: oil and air filters, tracks and rollers, bucket teeth, OTR tyres from 25 to 57 inches. Sellers sit in Singapore, Jakarta, Balikpapan, Manila and Perth, and many have no online catalogue.
Today, a maintenance superintendent calls three or four suppliers, waits for quotes, compares them by hand, then raises a payment. It often takes 2 to 5 days. The marketplace pools supply, makes urgent requests traceable and secures payment.
| Metric | Current buying (phone, WhatsApp) | B2B marketplace |
|---|---|---|
| Time to get 3 offers | 2 to 5 days | Under 4 h for urgent requests |
| Sellers consulted | 3 to 4 usual ones | 20 to 60 verified sellers |
| Purchase traceability | Low, scattered threads | History, quotes, purchase orders |
| Counterfeit risk | High on filters and tyres | Reduced by seller verification |
| Payment | Transfer after quote | Escrow or release on confirmed delivery |
| Delivery tracking | Calls to forwarder | Statuses and proof of delivery |
The business model: commissions and seller verification
An industrial spares marketplace does not live on volume but on large baskets. An OTR tyre order can exceed 40,000 SGD, and a filter batch for a fleet of 20 haul trucks is around 8,000 SGD. A 6 to 10 % commission is enough if the platform captures a real share of mine purchasing.
Seller verification is the basis of trust: company registration (ACRA in Singapore or local equivalent), tax status, customer references and checks on certificates of origin for branded parts. Without it, the platform imports the counterfeit problems of the grey market.
| Part category | Indicative 2026 average order | Possible commission | Platform revenue per order |
|---|---|---|---|
| Filters (fleet batch) | 8,000 SGD | 8 to 10 % | 640 to 800 SGD |
| Tracks and rollers | 24,000 SGD | 6 to 8 % | 1,440 to 1,920 SGD |
| OTR tyres | 40,000 SGD | 6 % | 2,400 SGD |
| Bucket teeth and adapters | 4,000 SGD | 10 % | 400 SGD |
| Hydraulic components | 13,000 SGD | 7 to 9 % | 910 to 1,170 SGD |
| Lubricants in drums | 5,000 SGD | 6 % | 300 SGD |
Budget and timeline for a B2B marketplace in Singapore
The figures below are 2026 market ballparks in Singapore for a B2B marketplace with seller portals, requests for quote and secured payment.
| Building block | 2026 ballpark | Timeline |
|---|---|---|
| Discovery, interviews with mines and sellers | 8,000 to 12,000 SGD | 3 weeks |
| Multi-seller catalogue by machine model | 15,000 to 25,000 SGD | 5 weeks |
| Urgent RFQs and offer comparison | 15,000 to 25,000 SGD | 4 weeks |
| Seller verification (business KYC) | 9,000 to 16,000 SGD | 3 weeks |
| Commissions, escrow, payouts (bank transfer, PayNow, cards) | 18,000 to 32,000 SGD | 5 weeks |
| Delivery tracking and disputes | 10,000 to 18,000 SGD | 3 weeks |
| Buyer, seller and admin dashboards | 15,000 to 22,000 SGD | 3 weeks |
| Total | 90,000 to 150,000 SGD | About 5 months |
At Kolonell, a marketplace of this kind is priced on quote after discovery, because cost depends heavily on escrow rules, the number of sellers at launch and payment integrations. Maintenance follows our public grid of 35,000, 75,000 or 120,000 FCFA per month (about 53, 114 or 183 EUR), often extended with a support contract matched to volume. Languages are set in the quote.
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Wei Ling, founder of a Singapore start-up, signs up 2 mining groups and 6 contractors in Indonesia and recruits 35 verified sellers. In year one, the platform handles 25 orders a month with an average basket of 13,000 SGD and an average commission of 8 %.
Calculation: 25 × 13,000 SGD × 8 % = 26,000 SGD of commission a month, or 312,000 SGD a year. For a 120,000 SGD project and 40,000 SGD of annual running costs, the platform pays back in about 6 months of full activity. On the buyer side, if the marketplace avoids just 3 days of downtime a month on a fleet, at 5,000 SGD a day, the saving is 15,000 SGD a month, a decisive argument for a mine manager.
FAQ
How do you guarantee an answer in under 4 hours?
Urgent requests go out by SMS, WhatsApp and email to the 10 to 20 sellers covering that machine model. A seller who misses the window loses visibility, which keeps service levels up.
What commission should we charge?
Between 6 and 10 % by category: 6 % on high-value OTR tyres, 10 % on small wear parts. Above 12 %, sellers tend to deal direct.
How do we stop mines and sellers going off-platform?
Escrow, traceability for mine internal audits and a parts conformity guarantee add value a direct contact cannot offer. In practice, 70 to 80 % of transactions stay on the platform when these services are real.
Which payment methods should we integrate?
Bank transfer for large baskets, PayNow and cards in Singapore, and local transfer rails for payouts in Indonesia and the Philippines. Cross-border payouts typically cost 0.5 to 1.5 % per transfer.
How long to launch?
About 5 months, including 3 weeks of discovery with mines and 4 weeks of recruiting the first 30 sellers, run in parallel with development.
Let's scope your project. B2B marketplace, seller verification, urgent RFQs and commissions: we define the scope and a launch plan of about 5 months. Detailed quote within 48 h. WhatsApp +221 77 596 93 33.
Mohamed Bah
Fondateur, Kolonell
Passionate about digital and entrepreneurship in Africa, Mohamed has been helping Sénégalese businesses with their digital transformation since 2020. Founder of Kolonell, he believes every SME deserves a professional and accessible online présence.
