Aamir took a careful look at a long-standing problem with thumbnails on the site and not only presented a fix, he also provided options to make regenerating thumbnails much faster in the future.

More recently, Luis Cardenas aided me in configuring Captcha using the WPMUDEV plugin, Defender (they have many useful plugins) and walked me through the setup - I was entering the info into the wrong spot.

This is emblematic of their invaluable support - your solution is resolved and you are smarter for it. Review collected by and hosted on G2.com.

Nothing comes to mind. There are no support services that can hold a candle to them. Review collected by and hosted on G2.com.