Keeley Compressor Plus
You would be hard-pressed to find a “Best Compressor” list without the Keeley Compressor Plus taking the #1 spot. Its most standout features are the low signal-to-noise ratio and the versatile blend control.
Xotic SP Compressor
The SP Compressor is on the pricier side, but in this instance you get what you pay for. The sound quality is a step above many other compression pedals. It is very easy to dial in a great tone and the small footprint ensures you will find space for it on your board.