The verdict in three sentences
A professional B2B website ships in 6 to 12 weeks in 2026 depending on complexity, scoping and testing included. The limiting factor is almost never the agency, but content delivery and client approval speed. A realistic plan with contractual milestones beats a 3-week promise that never holds.
The step-by-step plan
Standard breakdown for a 6-10 page site in 2026.
| Stage | Duration | Deliverable |
|---|---|---|
| Scoping & sitemap | 1-2 weeks | Approved brief |
| UI/UX design | 2-3 weeks | Approved mockups |
| Development | 3-5 weeks | Site on test environment |
| Content & integration | 2-3 weeks | Filled pages, on-page SEO |
| Testing & go-live | 1-2 weeks | Site in production |
These stages partly overlap: development often starts as soon as the first mockups are approved. Realistic total: 6 weeks for a simple, smooth project, 12 weeks for a rich site with content to produce.
Dependencies and causes of delay
Most delays are avoidable. Identify who blocks what from scoping onward.
| Cause of delay | Owner | Typical impact |
|---|---|---|
| Text content not provided | Client | +2 to +4 weeks |
| Missing photos/logos | Client | +1 to +2 weeks |
| Slow approvals (multi-decider) | Client | +1 to +3 weeks |
| Scope additions mid-project | Client | +2 to +6 weeks |
| Late technical access (DNS, hosting) | Client | +3 to +7 days |
| Testing bugs | Agency | +3 to +10 days |
Golden rule: lock the content before launching design. A site rarely waits for code, it almost always waits for the client's copy and images.
Mini case study
Claire, marketing director of a 60-person industrial SME in Lyon, wants her new site for a trade show in 10 weeks. The agency estimates 8 weeks... provided content is ready by week 3. Claire assigns an in-house writer from scoping and blocks two weekly approval slots with her leadership.
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Result: mockups approved in week 3, content delivered in week 4, go-live in week 8, two weeks of margin before the show. Conversely, a competitor who delivered content in week 7 went live in week 13 and missed its event. Claire's gain: about 5 weeks, purely through client-side discipline.
FAQ
Can a site really ship in 3 weeks?
Only for a standardised template, with content provided and zero customisation. For a true custom B2B website, expect 6 to 12 weeks in 2026; below that, quality or scope is sacrificed.
What's the main cause of delay?
Client content. Copy and visuals not provided on time account for most overruns; that's why the best agencies request content from week 1.
How do I speed up without sacrificing quality?
Prepare content upfront, name a single decision-maker on the client side and block recurring approval slots. These three measures can save 3 to 4 weeks.
Do I need contractual milestones?
Yes. A schedule with enforceable approval dates protects both parties and clarifies responsibilities: a client delay doesn't become an agency fault, and vice versa.
Let's scope your project. Give us your target date (trade show, launch, campaign) and the state of your content: we'll build a realistic back-plan with milestones. 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.
