> It doesn't matter if you already have a full time job or not.
It does, assuming he's going to have his company pay himself a salary. (Otherwise he'd need to wait for the yearly dividend.) In case of a salary, he'd have to
1) pay for social security and so on and make arrangements with his employer (basically, to decide who pays how much).
2) again, make arrangements with his employer because of the non-compete rule. It doesn't actually matter whether it's mentioned anywhere in the contract, as it's the law. (I forgot the exact article but it's somewhere in BGB.)
It does, assuming he's going to have his company pay himself a salary. (Otherwise he'd need to wait for the yearly dividend.) In case of a salary, he'd have to
1) pay for social security and so on and make arrangements with his employer (basically, to decide who pays how much).
2) again, make arrangements with his employer because of the non-compete rule. It doesn't actually matter whether it's mentioned anywhere in the contract, as it's the law. (I forgot the exact article but it's somewhere in BGB.)