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Sie vs DU | The formality that can make or break your deal in DACH

by Sales in DACH
Jul 08, 2026

The choice between "Sie" and "Du" isn't etiquette. It's data.

Why this matters more than it looks:

German business culture tends to be more reserved, with people addressed by title and surname until given explicit permission to do otherwise. That's the default. But "default" varies wildly by company type, generation, and region. Get it right, and you signal you understand their culture from minute one. Get it wrong, well, that's another Newsletter Edition 😅

Today we'd like to focus on:

3 Best Practices for using Sie/Du (formal/informal YOU) in Germany:

 

#1 Check their careers page before your first call. It's a free signal!

This is the hack: how a company addresses future candidates on its careers page tells you almost everything.

If they write "Bewirb dich bei uns" (Du), that's a company that's culturally informal, probably flatter hierarchy, faster decisions. If it's "Bewerben Sie sich bei uns" (Sie), expect more formal process, more hierarchy, more patience required.

You'll know their internal culture before you've said a word.

#2 Startups lean Du, enterprise leans Sie, but don't just assume, confirm.

As a rule of thumb, younger and flatter organizations default informal; established Corporations and traditional Mittelstand firms default formal. But always let the other side set the tone.

If in doubt, just start with formal (SIE) and let them offer you the informal (DU). That shows respect without assumptions.

#3 The pronoun shifts by country too — don't apply one rule everywhere.

  • In Austria, formality runs deep even in modern business. When speaking German, it's expected to address anyone in a position of seniority with the formal "Sie" until told otherwise.

  • In Switzerland, the formality holds even in casual channels. It's standard to use last names and the formal Sie until specifically invited to switch, especially where there's a difference in rank or age.

  • Germany often shifts fastest of the three, especially in tech and startups, but don't assume that carries over the border.


 

From the Sales in DACH Ecosystem 

This is exactly the kind of nuance that gets lost when everyone copies the same US-written sales content. If you've got a Sie/Du story, a deal that flipped because you got it right (or wrong), tell us! We'd love to collect & share some stories to enable everyone together!

Looking forward to hearing about your story!

Your Sales in DACH Team ✨

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