National Auditing Services & Consulting help's businesses reduce one of their top overhead business expense, one that is unavoidable and is a must in order to run a business - utility bills. Through our proprietary developed software, we can review our clients' energy bills to verify billing errors associated with estimated meter reads, meter malfunction, meter multipliers, sales tax, incorrect rate, tariffs, surcharges, and many other billing components. We will secure refunds for past overbillings dating as far back as five years. Our utility audit program is provided to all our customers at NO COST.