"Service" refers to an act of helping or assisting others by performing a particular task or job for them. It involves doing something for someone else that fulfills a need or provides a valuable benefit. Full definition
The terms of service of crowdfunding sites state that they aren't responsible for campaigns that fail to deliver on their promises. (businessinsider.com)
They also have representation in every country available so they can provide a personal and high level of customer service for their worldwide clientele. (huffingtonpost.com)
Judges will be looking for excellence in service for customers (trade or consumer). (thedrinksbusiness.com)