Bookkeeping & Payroll Services in Harford County, Maryland Benchmark provides experienced, confidential, high-quality bookkeeping and payroll services to small and medium sized small businesses. We have over 40 years of combined bookkeeping and payroll experience. Instead of hiring and managing employees, small business owners outsource their bookkeeping and payroll to us. Our knowledgeable and experienced staff are located at our office location where all work is performed. Let us ease the burden of running your business so that you can focus on what you do best – growing your business!