They demonstrated expert knowledge of UI design.

The team did an exceptional job in delivering all the requirements on time.

The team has accommodated a lot of last-minute requests and taken feedback very well.

They were very good at setting and meeting expectations with scope and delivery time.

Their dedication and personal involvement were extremely impressive.

They've come up with some great mock-ups.

They were on time and schedule.

The team was very proactive and timely.

They are best-of-breed in UX and application design and development.