We Increase Profits - Functional SAP Consulting First Call Consulting is a business service provider specializing in SAP Enterprise Consulting and SAP Business One Consulting. Good help is hard to find, unless you work with FirstCall Consulting. With an average of 12 years experience across our team, we can guarantee you’ll have a dedicated team of seasoned SAP professionals. Our consultants have been around for a long time, so we know the ins and outs of this industry.