consistently voted as one of the top 25 accounting firms by crains, orba is a certified public accounting and financial advisory firm where individuals and stakeholders of small to mid-sized organizations go to build meaningful, one-on-one relationships with an experienced, resourceful, proactive business partner. what separates orba are the connections our clients develop in a one-on-one relationship with a proactive partner supported by the resources, people and expertise available within the firm.