The verdict in three sentences
A MICE agency handling 120 events and 15,000 attendees a year often juggles a registration platform, rooming spreadsheets and accounting software that do not talk to each other. Custom software, between EUR 35,000 and 75,000 excl. VAT, brings registration, badges, hotel rooming lists and real margin per event into a single tool delivered in 4 to 5 months. Its real return is measured in coordination hours saved and margin points recovered from costs that were never re-invoiced.
SaaS platforms or a custom tool: the numbers
Event platforms charge per event, per attendee or by annual subscription. They excel at registration, much less at hotel logistics and agency margin.
| Item (2026 estimate) | Combined SaaS platforms | Custom software |
|---|---|---|
| Registration and ticketing | EUR 1 to 3 per attendee or EUR 8,000 to 25,000/year | Included |
| Attendee app | EUR 2,000 to 6,000 per premium event | Included, reusable |
| Annual cost for 120 events and 15,000 attendees | EUR 30,000 to 60,000 | EUR 7,000 to 12,000 (hosting and maintenance) |
| Rooming list and hotel allotments | Spreadsheets, re-keying | Built-in module |
| Budget and margin per event | Export to spreadsheet | Real time, by cost line |
| Initial development | EUR 0 | EUR 35,000 to 75,000 excl. VAT |
| Timeline | Immediate | 4 to 5 months |
Over 3 years, an agency this size spends EUR 90,000 to 180,000 on combined platforms without solving the margin question. Custom costs EUR 56,000 to 111,000 over the same period.
The modules that matter in MICE
A MICE agency's core value lies in logistics and profitability. Here are the typical building blocks and their budget.
| Module | Indicative budget excl. VAT | Expected gain |
|---|---|---|
| Custom registration (forms, quotas, payment) | EUR 7,000 to 14,000 | Event live in 2 h instead of a full day |
| Badges and access control (QR code, on-site printing) | EUR 4,000 to 9,000 | Check-in queue cut by 3 |
| Rooming list and hotel allotments | EUR 6,000 to 12,000 | Automated hotel updates, attrition tracked |
| Transfers and transport (shuttles, flights) | EUR 4,000 to 9,000 | Transport plan generated from registrations |
| Budget, supplier purchasing and real margin | EUR 7,000 to 15,000 | +2 to 4 margin points per event |
| Attendee app (agenda, notifications, networking) | EUR 6,000 to 12,000 | Higher satisfaction and session attendance |
| Client reporting (attendees, costs, satisfaction) | EUR 3,000 to 6,000 | Wrap-up report delivered 48 h after the event |
The project splits into 2 releases: registration, badges and rooming first (3 months), then margin, app and reporting (6 to 8 weeks). The agency can test the first release on 5 to 10 live events.
Mini case study
Céline, head of operations at a MICE agency in Paris, runs 120 events a year (seminars, conventions, incentive trips) for 15,000 attendees and EUR 9 million in revenue. Her 8 project managers spend about 25 hours per event on registration, rooming and re-keying, or 3,000 hours a year. Post-event checks also reveal 2 to 3% of costs never re-invoiced.
With custom software at EUR 62,000 excl. VAT, the agency targets 40% less coordination time, or 1,200 hours, valued at a loaded EUR 45 an hour: EUR 54,000 a year. Recovering a single margin point on EUR 9 million is worth EUR 90,000. Adding EUR 35,000 of SaaS subscriptions dropped and deducting EUR 10,000 of maintenance, the gain exceeds EUR 160,000 a year: payback in under 5 months.
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FAQ
Should we drop every SaaS platform?
Not necessarily. Some agencies keep a ticketing platform for large public events and run everything else in their own tool. The custom software then pulls registrants from the platform via API.
How do we manage hotel allotments and attrition?
The rooming module tracks blocked rooms, release dates and occupancy per hotel. Alerts at D-30 and D-15 avoid paying 10 to 20% attrition on unused rooms.
Is the margin calculation reliable?
Yes, if it is fed by supplier purchase orders and actual invoices. Margin shows by line (venue, hotels, transport, catering, AV) and variance to budget is visible in real time.
How long until we are operational?
4 to 5 months in total, with a first release (registration, badges, rooming) usable from month 3. Team training takes 2 half-days.
Is attendee data protected?
Hosting in France or the European Union, encryption and automatic purge after the defined retention period. Hosting runs EUR 150 to 400 a month.
Let's scope your project. Registration, badges, rooming lists and real margin per event: we scope your tool with an indicative budget of EUR 35,000 to 75,000 excl. VAT and delivery 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.
