The verdict in three sentences
An FR/EN/AR site is not three times the cost of a monolingual one: budget roughly +20 to 30 % per language on the base, plus a 2,000 EUR Arabic RTL package to handle right-to-left layout. Professional B2B translation (0.12 to 0.18 EUR/word) and native-speaker QA are the line items that separate a credible site from one that scares prospects away. A well-structured trilingual site with clean hreflang lifts qualified leads from the target market by 30 to 50 % over 12 months.
What multilingual really costs in 2026
The classic trap is underestimating everything that is not translation itself: Arabic RTL forces you to rework layout, directional icons, form fields and sometimes typography. Here is the 2026 order of magnitude for a 12-page brochure base in French.
| Line item | FR (base) | +EN | +AR (RTL) |
|---|---|---|---|
| Per-language development | included | +25 % = 1,500 EUR | +30 % = 1,800 EUR |
| RTL / Arabic typography package | — | — | 2,000 EUR |
| B2B translation (0.12-0.18 EUR/word) | — | 1,400 EUR | 1,800 EUR |
| Native-speaker linguistic QA | — | 350 EUR | 450 EUR |
| hreflang + i18n sitemap config | 250 EUR | included | included |
| Multilingual CMS (setup) | 600 EUR | included | included |
A French-only base runs around 4,500 EUR; the same site trilingual FR/EN/AR lands in a 11,500 to 13,500 EUR range depending on word count and RTL complexity.
hreflang, CMS and QA: the three technical traps
A misconfigured hreflang makes Google serve the wrong language to the wrong market, killing the SEO ROI of going multilingual. The table below summarizes the structural choices.
| Topic | 2026 best practice | Common mistake | Impact |
|---|---|---|---|
| URLs | Subfolders /fr/ /en/ /ar/ | ?lang= parameters | SEO -30 to -40 % |
| hreflang | Reciprocal tags + x-default | One-way tags | Wrong language served |
| Language detection | Suggest, do not force | Automatic IP redirect | Googlebot blocked |
| Arabic RTL | dir=rtl + logical CSS | Hacked CSS mirroring | Broken mobile layout |
| Translation | Human + domain glossary | Raw unreviewed MT | Loss of B2B credibility |
| Maintenance | 1 CMS, 3 synced trees | 3 separate sites | 2x cost over 3 years |
Mini case study
Farid, export director of an industrial-components SME, targets Algeria, Morocco and Tunisia. His French-only site generates 8 qualified leads a month, only 1 from the region. He invests 12,800 EUR in an FR/EN/AR version with polished RTL. Over 12 months, regional leads rise from 1 to 4 a month (+300 %). With a B2B average deal of 28,000 EUR and a 20 % close rate, those 3 extra monthly leads represent ~200,000 EUR of annual pipeline: the investment is repaid on the first signed contract.
FAQ
Need a professional website?
Kolonell builds websites that attract clients, optimized for the Sénégalese market. Free quote in 2 minutes.
What does an extra language really cost?
Budget +20 to 30 % of the base per language, plus translation (0.12 to 0.18 EUR/word in B2B). Arabic adds an RTL package of about 2,000 EUR.
Can I use Google Translate for Arabic?
Not in B2B: raw machine translation destroys credibility and creates technical nonsense. Native review costs 350 to 450 EUR per language and protects your brand.
Does Arabic RTL complicate the project a lot?
Yes: you must flip layout and adapt icons, forms and typography. That is 2 to 3 extra dev days, hence the 2,000 EUR package.
How long to ship a trilingual site?
Budget 6 to 9 weeks in 2026, including 2 weeks of translation and QA. A bilingual FR/EN site ships in 4 to 6 weeks.
Does multilingual really improve my export SEO?
Yes: with clean hreflang and subfolder URLs, you see +30 to 50 % qualified leads from the target market over 12 months, provided you use genuine human translation.
Let's scope your project. Tell us your target languages, page count and deadline: we price a French base around 4,500 EUR and the per-language premium down to the word. 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.
