The verdict in three sentences
An automatic translation plugin costs under 300 EUR but destroys your credibility with an international buyer who judges your expertise on three lines of copy. A native bilingual site with localized content (adapted, not translated word-for-word), correct hreflang tags and a dedicated journey per market costs 8,000 to 20,000 EUR and actually converts. For a firm whose average engagement exceeds 30,000 EUR, the math settles in under a quarter.
Translation plugin vs native bilingual: what really changes
The real question is not linguistic, it is commercial: an English-speaking decision maker reading an awkward sentence on your Services page instantly files you as a local vendor unable to serve them. Localized content goes beyond translation: it reframes your references, adapts your case studies to the target market and rebuilds SEO keywords in the language people actually search.
| Criterion | Auto plugin (free WPML / Google Translate) | Native localized bilingual |
|---|---|---|
| 2026 cost | 0 - 300 EUR | 8,000 - 20,000 EUR |
| Editorial quality | Approximate, literal calques | Native-written, market-adapted |
| Hreflang & EN SEO | Rarely correct | Configured and audited |
| Adapted content (not translated) | No | Yes (case studies, references) |
| Credibility impact | Negative | Positive |
| Maintenance | Degrades on every update | Structured bilingual workflow |
Budget and timeline: what to expect in 2026
Scope drives the budget: a bilingual showcase site of 8 to 12 pages starts at 8,000 EUR, a site with a content base (insights, publications, sectors) climbs toward 20,000 EUR. The typical timeline is 8 to 12 weeks, with native writing and proofreading often weighing more than development.
| Item | 2026 order of magnitude (EUR) | Timeline |
|---|---|---|
| Bilingual UX / design | 2,500 - 5,000 | 2 - 3 wks |
| Development + i18n (hreflang) | 3,000 - 7,000 | 3 - 4 wks |
| Native EN writing & localization | 2,000 - 5,000 | 2 - 3 wks |
| International SEO setup | 1,000 - 2,500 | included |
| Annual bilingual maintenance | 1,500 - 4,000 / yr | recurring |
Mini case study
Need a professional website?
Kolonell builds websites that attract clients, optimized for the Sénégalese market. Free quote in 2 minutes.
Mark, partner at a 14-consultant strategy firm in Amsterdam, draws 25% of revenue from cross-border engagements. His old site used a translation plugin: the contact rate from English-speaking visitors was near zero. He invests 14,000 EUR in a native bilingual site. Over twelve months: +30% international leads, or 9 extra qualified inquiries. With a 20% close rate and a 35,000 EUR average engagement, that is roughly 63,000 EUR in added work — a 4.5x return in year one.
FAQ
Do I really need to localize, or is good translation enough? For a contact page, translation is fine; for your case studies and positioning, localization is decisive. It lifts the English-speaking contact rate by 20 to 40% based on our 2026 observations.
How much does bilingual maintenance cost? Budget 1,500 to 4,000 EUR per year to keep both versions in sync. Every new article or case study must exist in both languages, otherwise hreflang breaks.
Is hreflang essential? Yes — without it Google may serve the wrong language version and you lose rankings. Correct configuration avoids FR/EN duplicate content and secures your international SEO.
What is a realistic launch timeline? Between 8 and 12 weeks. Native EN writing is the main timeline driver; validate your content early to avoid slipping the launch.
Can we start bilingual then add a third language? Yes, provided the i18n architecture is planned from the outset. Adding German or Spanish then costs 2,000 to 4,000 EUR per language instead of a full rebuild.
Let's scope your project. Tell us about your firm, your target markets and the number of pages to localize: we price a native bilingual site between 8,000 and 20,000 EUR depending on 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.

