The verdict in three sentences
For a distributor managing 180 suppliers by email and Excel, a custom supplier extranet costs between USD 20,000 and 50,000 excl. VAT (about 12 to 30 million FCFA, EUR 18,300 to 45,700) and is delivered in 4 to 5 months. The return comes from three measurable levers: 2 data-entry FTEs redeployed, invoice processing cut from 21 to 7 days and better-negotiated tenders. Budget 15% of the build per year for maintenance and improvements.
The hidden cost of email plus Excel
At a mid-sized distributor, a supplier invoice typically follows this path: received by email, printed, keyed in manually, matched against the purchase order, approved on paper by the director, then entered into accounting. Each step adds errors and days. Suppliers call to ask where their payment stands, which consumes even more time.
| Indicator | Current process | With extranet | Gain |
|---|---|---|---|
| Invoices processed per month | 1,400 | 1,400 | Unchanged |
| Average processing time | 21 days | 7 days | -14 days |
| Staff on data entry | 3 FTE | 1 FTE | 2 FTE redeployed |
| Annual data-entry cost (USD 750 loaded per FTE per month, West African benchmark) | USD 27,000 | USD 9,000 | -USD 18,000 |
| Supplier follow-up calls | 260 a month | 40 a month | -85% |
| Matching errors | 4% | 0.8% | -3.2 points |
| Early-payment discount captured | 0 | 1 to 2% on 20% of purchases | New lever |
These are 2026 orders of magnitude for a distributor with 150 to 250 staff in West Africa. In Dubai, loaded data-entry costs run 3 to 4 times higher, which shortens the payback accordingly.
Scope and price, module by module
A useful extranet is built around the three moments of the supplier relationship: sourcing, invoicing, payment.
| Module | Functions | Indicative budget excl. VAT |
|---|---|---|
| Supplier onboarding | Registration, legal documents (trade licence, tax certificates), approval | USD 3,000 to 5,800 |
| Tenders | Publication, sealed bids, comparison grid, award | USD 5,000 to 11,700 |
| Invoice upload | PDF upload, automatic PO matching, approval workflow | USD 5,800 to 13,300 |
| Payment tracking | Real-time status, remittance advice, SMS and email alerts | USD 2,500 to 6,700 |
| ERP or accounting connector | Sage, Odoo, SAP Business One | USD 2,500 to 8,300 |
| Procurement dashboard | Lead times, volumes, supplier scoring | USD 1,200 to 4,200 |
A first USD 20,000 phase covers onboarding, invoice upload and payment tracking. Tenders arrive in phase 2. A complete project with an SAP connector and advanced dashboard reaches USD 50,000.
Timeline, hosting and maintenance
| Phase | Duration | Deliverable |
|---|---|---|
| Scoping and workshops with 10 pilot suppliers | 3 weeks | Specifications and mock-ups |
| Phase 1 development | 8 to 10 weeks | Onboarding, invoices, payments |
| Acceptance and training | 3 weeks | User guide, buyer sessions |
| Gradual rollout | 3 to 4 weeks | 180 suppliers onboarded in waves of 30 |
| Annual maintenance | Ongoing | 15% of budget, USD 3,000 to 7,500 |
Hosting can sit with a cloud provider in-region (UAE regions exist with the major providers) or in Europe, in line with the UAE federal data protection law (PDPL) or, for West African clients, local data protection rules. The application is designed to work on 3G: suppliers often upload invoices from a phone.
Mini case study
Mr Kouassi, procurement director at a food distributor, works with 180 suppliers and 3 data-entry clerks. He commissions an extranet at USD 30,000 excl. VAT (18 million FCFA), with USD 4,500 of maintenance a year.
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- Data-entry saving: 2 FTE x USD 750 x 12 months = USD 18,000 a year
- Discount negotiated on 20% of USD 2 million of annual purchases at 1.5%: USD 6,000
- Net annual gain after maintenance: 18,000 + 6,000 - 4,500 = USD 19,500
- Payback: about 18 months
The 2 freed clerks were moved to purchasing analysis, where they create margin.
FAQ
Will small suppliers adopt the extranet?
Yes, if uploading an invoice takes under 2 minutes on mobile. In our rollouts, 85% of suppliers use it after 3 months, while the rest are supported by a buyer during a transition period.
Can the extranet connect to our existing ERP?
Yes, through an API or scheduled file exchange with Sage, Odoo or SAP Business One, for USD 2,500 to 8,300 depending on complexity. Purchase orders flow in automatically for matching.
Can supplier payments go through mobile money?
For small West African suppliers, yes: the extranet can trigger batch Wave or Orange Money payouts with fees around 1%. Large amounts stay on bank transfer, with synchronised status.
How are tenders secured?
Bids are encrypted and sealed until the opening date, with timestamps and an access log. Only designated committee members can open them.
What does a change cost after go-live?
Small changes are included in the 15% maintenance. A full new module, such as supplier scoring, costs between USD 2,500 and 6,700.
Let's scope your project. Tell us your supplier count, invoice volume and ERP: we will price an extranet between USD 20,000 and 50,000 excl. VAT, delivered in 4 to 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.
