The verdict in three sentences
For an exporter, an EN/FR/DE site is not a luxury but a sales channel: budget a 9 000 EUR base site plus 2 200 EUR per extra language and 3 000 EUR of technical i18n in 2026. Translating is not localising: hreflang, dedicated sitemaps and market-adapted content separate "visible" from "chosen". On a comparable case, well-executed multilingual brought +38% of export quote requests in six months.
The true cost of multilingual in 2026
The classic trap is believing that "translating" is enough. The real budget includes i18n engineering, SEO localisation and translation tooling.
| 2026 item | Range excl. VAT |
|---|---|
| Base site (EN) | 9 000 EUR |
| Per added language (FR, DE) | 2 200 EUR / language |
| Technical i18n (routing, hreflang) | 3 000 EUR |
| SEO localisation per market | 1 500 EUR / language |
| DeepL Pro API integration | 29 EUR/month |
| Native proofreading per language | 600 - 900 EUR / language |
| EU hosting + CDN | 45 EUR/month |
For a full EN/FR/DE site, you reach an order of magnitude of 18 000 to 22 000 EUR excl. VAT, with modest recurring hosting and tooling. The DeepL Pro API speeds up first-draft translation, but native proofreading remains essential on commercial pages.
Machine translation vs professional localisation
Comparing the two avoids under-budgeting or overpaying a generalist translation agency.
| Criterion | DeepL Pro alone | Professional localisation |
|---|---|---|
| Cost | 29 EUR/month | 600 - 900 EUR/language |
| First-draft speed | Instant | 3 - 5 days |
| Quality on sales pages | Fair to risky | High |
| Market nuance (DE B2B) | Weak | Strong |
| Local keyword SEO | Not handled | Optimised |
| Recommended for | Product sheets, blog | Offer & legal pages |
The 2026 best practice: DeepL Pro to rough-draft, targeted native proofreading on the pages that convert. You save 40 to 60% of the translation budget without sacrificing credibility where it counts.
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Mini case study
John, export director of a Dublin drinks house, gets 60% of his traffic from abroad but converts poorly for lack of a suitable site. He invests 20 000 EUR excl. VAT in an EN/FR/DE redesign with technical i18n, hreflang and German SEO localisation.
Before the redesign he received about 25 export quote requests per month. With +38%, he reaches 34.5 requests/month, nearly 10 extra export leads. If one German buyer in five signs an average 12 000 EUR order, those 10 leads yield about 2 orders/month, i.e. 24 000 EUR of additional monthly export revenue. The 20 000 EUR investment is repaid in under a month of new orders, and the channel stays active all year.
FAQ
One domain per country or a single one with subfolders? For an SME, a single domain with /en/ /fr/ /de/ subfolders and hreflang is simpler and cheaper than a domain per country, while staying strong for SEO. Budget 3 000 EUR of technical i18n.
Is DeepL Pro enough to translate everything? For the blog and product sheets, yes. For sales and legal pages, native proofreading (600 to 900 EUR/language) is essential: a nuance error in German B2B can cost a contract.
How much to add a 4th language later? Around 2 200 EUR of content plus 1 500 EUR of local SEO, without redoing the i18n engineering already in place. That is the whole point of a well-built multilingual base from the start.
Is hreflang really necessary? Yes: without it, Google may serve the wrong language to your buyers and dilute your SEO. Its setup is part of the 3 000 EUR of technical i18n and prevents up to 25% of misrouted traffic.
What timeline for a trilingual site? Expect 10 to 14 weeks: the base language first, then languages in waves. Preparing source content ahead sharply speeds up the schedule.
Let's scope your project. Tell us your target markets, the languages you need and your indicative budget, and we will price a multilingual base optimised for export. 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.
