Q:

What should I wear to go and sign an employment contract?

I've finished my interview sessions with a company (2 individual interview days), and also discussed the first draft of the contract with them. They offered me the job, and I've accepted their offer.
Now, I need to go there once more to sign the last version of the contract and start working there from the beginning of the next month.
During the interview sessions, I presented myself there wearing a suit and tie! But, I noticed the company does not have any dress code as most of the employees (even senior ones) wear casual. 
So, I was wondering if I can step down from the suit now and appear in normal clothing when I go there to sign my contract?
P.S.: It's an IT company in Germany!

A:

Personally, I believe that overdressing is never an issue.  Wearing a suit may be overkill if the position has already been offered, but perhaps khaki slacks and a button-up shirt would be ideal.  No need for the full suit and tie treatment, but formal enough to continue a good impression and appear professional.
Growing up as the son of an HR Director, he always preached that first impressions are key.  Perhaps you'll be meeting the CEO or a manager that you'll be working under when you go to sign the contract.  In that scenario, I'd recommend a more formal attire.

A:

If you're only going in to sign the contract, you've won the war already. Your employer won't change their mind about hiring you at the last minute just because you show up dressed like everyone else rather than in a suit. You're fine.

A:

I always prefer to wear business casual at the least on the first day.    Never know if there was a special reason people were wearing casual clothing on the day you interviewed.    Work a day or two, maybe ask what a dress code is, and go from there.   You'll never go wrong by overdressing a bit.   

