Some of the answer to your question is also a factor of whether you can get another job for more money or better compensation. If not, you've maxed out your mar

Some of the answer to your question is also a factor of whether you can get another job for more money or better compensation. If not, you've maxed out your market potential where you are and based on what you are capable of "pulling". You can negotiate and provide a counter-offer, but be prepared to be rejected, possibly fired or placed in an uncomfortable position. Unless you have a good relationship with the owner (sounds like you may not, otherwise you would have more confidence in your potential where you are) and can enter into a good faith improvement of your compensation package, you're better off learning more about your market value and finding a new position. Doesn't have to be an immediate change.