The verdict in three sentences
An internal business platform in 2026 costs EUR 45,000-150,000 depending on the number of modules and workflow complexity. The real risk isn't technical but human: change management represents 10-20 % of the budget and drives adoption. Done well, it unlocks 15-30 % productivity and typically pays back in 18 to 24 months.
Modules by deployment phase
An internal platform isn't built in one block. Phased deployment limits risk and spreads the investment. Here is a typical 2026 trajectory.
| Phase | Modules delivered | 2026 budget (EUR) | Timeline |
|---|---|---|---|
| Phase 1 - Foundation | Accounts, roles, central dashboard | 18,000 - 40,000 | 5-7 weeks |
| Phase 2 - Workflow | Business processes, approvals, notifications | 15,000 - 45,000 | 4-6 weeks |
| Phase 3 - Reporting | Reporting, exports, key indicators | 8,000 - 30,000 | 3-5 weeks |
| Phase 4 - Integrations | ERP, accounting, third-party tools | 10,000 - 40,000 | 3-6 weeks |
| Data migration | Legacy import, cleaning, mapping | 5,000 - 20,000 | 2-4 weeks |
Starting with a solid foundation (Phase 1) enables a fast go-live and user buy-in before adding complexity.
The hidden cost of change management
A perfect but unadopted platform is a 100 % failure. Here are the change-management items too often left out of quotes.
| Item | 2026 budget (EUR) | Impact on adoption |
|---|---|---|
| User workshops & co-design | 3,000 - 8,000 | reduces initial rejection |
| Team training | 4,000 - 12,000 | faster onboarding |
| Documentation & internal guides | 2,000 - 6,000 | user autonomy |
| Post-launch support (1-3 months) | 3,000 - 10,000 | fixes real friction |
| Internal champion / key user | internal time | daily relay |
Investing EUR 10,000 in training often avoids losing EUR 50,000 on a platform no one uses.
24-month ROI: the calculation that convinces
An internal platform is justified by the productive time recovered. Example for a 25-person team.
Need a professional website?
Kolonell builds websites that attract clients, optimized for the Sénégalese market. Free quote in 2 minutes.
| Indicator | Before (Excel) | After (platform) |
|---|---|---|
| Hours/week on re-entry & searching | 6 h/person | 2 h/person |
| Productive hours recovered | - | 100 h/week |
| Annual value (EUR 35/h loaded) | - | ~EUR 175,000/yr |
| Entry errors & delays | frequent | -60 to -80 % |
| Platform cost (build + 2-yr run) | - | EUR 90,000-130,000 |
Even with conservative assumptions, the productivity gain exceeds the total cost over 24 months: the platform isn't an expense, it's a profitable investment.
Mini case study
Oliver, operations director of a logistics SME in Birmingham, runs his flows across 14 shared spreadsheets. Errors, duplicates, lost versions: he estimates 8 hours/week per coordinator wasted, across 6 coordinators. Accepted quote: foundation EUR 32,000, workflow EUR 28,000, reporting EUR 18,000, migration EUR 12,000, training EUR 9,000, i.e. EUR 99,000 delivered in 17 weeks. Gain: 6 x 6 hours recovered per week = 36 h, i.e. ~EUR 63,000/year of productive time and a drastic reduction in delivery errors. ROI reached in 19 months, EUR 8,400/year run included.
FAQ
Why not stay on Excel? Excel becomes unmanageable beyond a few simultaneous users: no traceability, multiple versions, formula errors. The hidden cost of errors and wasted time quickly exceeds that of a dedicated platform.
Should everything be built at once? No, phased deployment is preferable: a foundation in Phase 1 (EUR 18,000-40,000), then workflow, reporting and integrations. This reduces risk and allows adjustment based on field feedback.
How much does migrating existing data cost? Between EUR 5,000 and 20,000 depending on volume and data cleanliness. Poorly structured spreadsheets raise cleaning and mapping costs, hence the value of a prior audit.
What productivity gain can you expect? Realistically 15-30 % on administrative and coordination tasks, by removing re-entry and searching. The real gain depends mostly on the quality of team adoption.
How much is the annual run? Expect 5-12 % of development cost per year for hosting, maintenance and enhancements, i.e. typically EUR 5,000-15,000/year for an SME platform.
Let's scope your project. Tell us the processes to digitise, your user count and budget: we'll price a phased deployment with documented ROI. 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.
