"You have provided such great work. Anyone could really rely on your skills.”​ - Maria Jenileen Alano, Project Coordinator, eBook, [August 2017]

"He did a good job. I will definitely hire him for more projects in the future." - Global Writers Direct, Upwork (Formerly Odesk), [May 2013]

"Thank you for the effort you've given in submitting articles." -  Adblogcontent IT Services, Upwork (Formerly Odesk), [Jan 2012]

"Carl was great to work with, would hire him again." - Rhia Taylor, Project Manager, Upwork (Formerly Odesk), [Mar 2011 - Nov 2011]

"Excellent work. Will use Carl again and again." - Biz-Sites, Upwork (Formerly Odesk), [Feb 2011]

"Great will hire again!" - Upwork (Formerly Odesk), LivEcoFriendly, [Feb 2011]