The team at Rez0 was very responsive to our needs, flexible with their schedule for us while they were working remotely during COVID-19 pandemic as well! We really liked how professional all of them are - highly skilled professionals who took time out from work life balance issues just so we could have great experience solving business problems together (we're small startup). I would love more flexibility when it comes to meetings/calls since its hard sometimes because there's no real way around travel costs nowadays compared to before this crisis hit world wide scale but other than those few things everything went good :).