He is an agent for a company and he sells goods for a price higher than that of the company and keeps the extra amount

No File Exists
Check below answers in case you are looking for other related questions:
If an agent sells a product for more than the price stipulated, who does the extra money belong to?
If he says to the broker: Sell this for such and such an amount and anything more than that is yours

No File Exists
Related Answers:
He was asked to sell the product for a specific price but he is selling it for more and keeping the difference
It is not permissible to exchange old gold for new gold and pay the difference in value
Ruling on selling drugs to non-Muslims
If an agent sells a product for more than the price stipulated, who does the extra money belong to?
If he says to the broker: Sell this for such and such an amount and anything more than that is yours

Recommended answers for you:
Prohibition on keeping dogs except those exempted by sharee’ah
The pillars, obligatory parts and Sunnahs of prayer
Is it haraam to urinate standing up?
Does women’s hijab have to be black?
The mother’s rights over her daughter are great but the husband’s rights over his wife are greater