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Multilingual LinkedIn outreach: write in your prospect's language

Chris — Founder, Reachy · · Updated November 4, 2026

Multilingual LinkedIn outreach: write in your prospect's language

Write to prospects in their own language when you can follow the reply, and in your shared language when you can’t. That rule keeps the benefit (a message that feels written for them) without the trap (a conversation you can’t read). The practical way to do it at scale is to write once, and let the tool translate per contact into the languages you know.

This matters most for teams selling across Europe, and for agencies running client accounts in several countries.

Why language changes the reply

A first message in someone’s own language does three things:

  • It gets read: no mental switch, no “is this spam?”
  • It shows effort, which is the whole point of a personal message
  • It’s easier to answer, so the reply comes faster

The same message in English to a French or German prospect is fine. In their language, it stands out.

The trap: conversations you can’t follow

Machine translation makes it tempting to write to everyone in their language. The problem comes with the answer. A prospect who replies in Polish to a message “you” wrote in Polish expects the conversation to continue in Polish.

So the rule is simple: only translate into languages you, or your team, can read. Everyone else gets your message in the language you wrote it in.

How to decide the language of each contact

The profile is the best signal. Job title and company location are weak hints (plenty of people in Berlin work in English). The About section, written by the person, tells you which language they chose to present themselves in.

Reachy reads it. When a contact’s About is long enough to detect the language reliably, Reachy uses it. When it’s short or empty, it doesn’t guess: the contact gets your text as written.

Set it up in Reachy

In a campaign’s messages:

  1. Turn on Translate for each contact.
  2. Under Languages you read, pick the languages you can follow, for example English, French and German.
  3. Write the connection note and messages once, in any language.
  4. Open the translated preview to check how a message reads in each language.

Contacts whose profile is in one of your languages get the note and each message translated with AI. Everyone else gets your text as written. In the conversation, you can show the translation of what was sent.

Two safety nets: if a translation fails, or comes out too long for LinkedIn, Reachy sends your original text instead of a broken one.

Writing tips that survive translation

  • Short sentences. They translate cleanly and read naturally.
  • No idioms or puns. “Move the needle” becomes nonsense in some languages.
  • Variables at the edges. “Hi {firstName},” translates better than a name buried mid-sentence.
  • Mind formality. French, German and Dutch have formal and informal “you”. Check the preview and adjust your original if the tone is off.
  • Keep links and codes outside sentences so they stay untouched.

Replies in other languages

When the prospect answers, Reachy’s AI replies sort the reply and draft the next step, and you approve it from your phone. Because you only translate into languages you read, you can always check what you are about to send.

For agencies

One client sells in France and Belgium, another in the DACH region. Set the languages you read per campaign, and each client’s audience gets messages in its language from that client’s account. See LinkedIn outreach for lead generation agencies.

Download Reachy and write your next campaign once.

Frequently asked questions

Should I send LinkedIn messages in the prospect's language?
When you can follow the conversation in that language, yes. A first message in someone's own language shows effort and is easier to answer. When you cannot read their replies, stay in a shared language such as English.
How does Reachy know which language a contact speaks?
From the About section of their LinkedIn profile. When it is long enough to detect reliably, Reachy uses that language. When it is too short or empty, the contact gets your text as written.
Will Reachy translate into languages I do not speak?
No. You choose the languages you read, and Reachy only translates into those, so you can always follow the replies. Everyone else gets your text as written.