The verdict in three sentences
A credible business web MVP ships in 3 to 5 months, a full application in 6 to 10 months: any shorter commitment hides an underestimate. Delays almost always come from two measurable factors: the availability of your business experts and third-party integrations (+2 to 6 weeks). An honest schedule is built from milestones, not from a magic date dropped in a sales meeting.
The milestones of a 2026 project, phase by phase
A serious application project breaks into phases whose duration depends mainly on scope and integration count. Here are the orders of magnitude seen in Toronto and internationally in 2026.
| Phase | 2026 duration | Exit deliverable |
|---|---|---|
| Discovery / workshops | 2 to 3 weeks | Prioritized backlog, functional specs |
| UX/UI design + proto | 2 to 4 weeks | Approved mockups, clickable prototype |
| Development (sprints) | 8 to 16 weeks | Testable increments every 2 weeks |
| UAT / acceptance | 2 to 4 weeks | Acceptance report, fixes |
| Deployment + go-live | 1 to 2 weeks | Production release, training |
Adding the low ends, an MVP lands around 15 to 20 weeks; the high ends of a full application reach 32 to 40 weeks. The rule is simple: the more users, roles and integrations, the higher you slide.
The delay factors, quantified
A schedule never slips by accident. In 2026, the most frequent slippage causes on business web projects are identifiable and budgetable from discovery.
| Delay factor | Schedule impact | Countermeasure |
|---|---|---|
| Business experts unavailable | +2 to 5 weeks | Lock calendars at kickoff |
| ERP / third-party API integration | +2 to 6 weeks | Integration POC in sprint 1 |
| Incomplete specs at start | +3 to 8 weeks | Paid, documented discovery |
| Slow mockup approval | +1 to 3 weeks | Single decision committee |
| Legacy data migration | +2 to 4 weeks | Early data audit |
A well-run discovery at 4,500 EUR often saves 20,000 EUR of downstream rework: discovery is not a cost, it is a schedule insurance.
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Mini case study
Thomas, operations director of a 45-employee logistics SME in Toronto, wants a route-tracking application. He tells his board go-live in 10 weeks. Realistic? The scope includes an integration with the existing transport software and 3 user roles. Applying the milestones: discovery 3 wks, design 3 wks, development 10 wks, UAT 3 wks, go-live 1 wk, i.e. 20 weeks for an MVP. By moving the announcement to 5 months, Thomas avoids an untenable commitment. Discovery cost: 4,800 EUR; estimated savings on avoided rework: 18,000 EUR; delay avoided on the transport integration: 4 weeks.
FAQ
Can a business app ship in one month? No, unless it is a micro-tool with no integration or multiple roles. A real MVP needs at least 12 weeks to include discovery, dev and serious UAT.
How long is a sprint in 2026? The norm remains the 2-week sprint, with a demonstrable increment at the end. Over 4 months of development, that is about 8 sprints.
Why do third-party integrations stretch timelines so much? Because they depend on a third party you do not control: documentation, API access, tests. Count 2 to 6 extra weeks per complex integration.
Should discovery be paid? Yes, it is the project's best investment: a discovery at 4,000 to 6,000 EUR secures the delivery date and avoids five-figure change orders.
How do you hold a go-live date? By locking business calendars at kickoff, running an integration POC in sprint 1, and freezing the MVP scope. These three reflexes cover 80% of delay causes.
Let's scope your project. Describe your scope (roles, integrations, user volume) and your target date, and we will build a defensible milestone schedule. 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.
