How This Company Is Helping Businesses Find Zen in Human Resource PaperworkZenefits benefits-management software might be a busy entrepreneur's best friend -- but is it a benefits provider's worst nightmare?

Human resources, most would say, is a monumental pain in the ass.

The volume of paperwork facing small businesses is staggering: Beyond hiring and firing employees, HR encompasses the benefits that attract and retain staffers, like healthcare packages, investment options, vacation time, transportation subsidies and retirement plans. The field also spans everything from payroll management to regulatory compliance—state and federal tax laws, as well as reforms like the Affordable Care Act, each with its own nuances and complexities.