The verdict in three sentences
A network on the French Riviera that outgrows standard transaction software should plan in 2026 for a custom core of 45,000 to 75,000 EUR excl. tax, plus 15,000 to 30,000 EUR of advanced modules. The return shows on two concrete levers: -30% data-entry time through automation, and a mandate conversion rate boosted by structured prospecting. Hoguet Act compliance (mandate register, legal notices) must be built in from the design stage, not bolted on afterwards.
The core and its modules
The core covers the transaction cycle: mandate intake, property management, buyer matching, viewing calendar, and follow-up through to the preliminary sale agreement. Advanced modules make the difference on the Riviera, a premium, highly competitive market.
| Component | 2026 budget (EUR excl. tax) | Business value |
|---|---|---|
| Transaction core | 45,000 - 75,000 | Mandates, properties, CRM, viewings |
| AI valuation module | 8,000 - 15,000 | Valuation opinions in minutes |
| Electronic signature | 5,000 - 9,000 | Remote mandate signing |
| Network reporting | 6,000 - 12,000 | Multi-branch steering |
| Website integration | 4,000 - 8,000 | Real-time property publishing |
| Prospecting module | 7,000 - 14,000 | Private-listing detection |
Prospecting, commissions and compliance
Prospecting (detecting private listings to canvass) is a sales engine: the software aggregates listings, deduplicates them, and assigns leads to agents. Commission management automatically calculates each agent's share based on the network's scales, removing hours of spreadsheet work and disputes.
| Task | Without custom tool | With custom tool |
|---|---|---|
| Entering a mandate | 25-35 min | 8-12 min |
| Commission calc (monthly) | 4-6 h | Automatic |
| Valuation opinion | 1-2 h | 5-10 min (AI) |
| Mandate register (Hoguet) | Manual, risk of omission | Auto-generated |
| Publishing to the website | Re-keying | Instant sync |
Mini case study
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Sophie, director of a 4-branch network in Nice (18 agents), estimates each agent loses 40 minutes a day on entry and calculations. Across 18 agents over 220 days, that is 2,640 hours/year. A 30% cut frees 792 hours/year, roughly 0.5 FTE (loaded cost ~35,000 EUR/year). Kolonell quotes her project at 68,000 EUR excl. tax core + 22,000 EUR modules = 90,000 EUR excl. tax. With 35,000 EUR/year of recovered time and a higher conversion rate, the investment pays back in about 2.5 years, before even counting won mandates.
FAQ
Why not stay on standard transaction software? Standards work up to a point, but hit walls on advanced prospecting, complex commission scales and multi-branch reporting. Custom lifts these ceilings and integrates with your website.
Is AI valuation reliable? It provides an order of magnitude based on comparable transactions and property features, to be validated by the agent. It speeds valuation opinions from 1-2 hours to a few minutes.
How is Hoguet Act compliance guaranteed? The mandate register is numbered and time-stamped automatically, legal notices are generated, and history is tamper-proof. That secures your audits.
Can the tool connect to our current website? Yes, via an API: properties entered in the software appear in real time on the website, with no double entry. Budget 4,000 to 8,000 EUR for this integration.
What is the delivery time in Nice? Expect 4 to 7 months in 2026 for the core plus two modules, with interim deliveries every 3 to 4 weeks.
Let's scope your project. Tell us your number of branches, your priority modules (AI valuation, prospecting, reporting) and a target budget, and we'll frame the most profitable scope. 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.