Have a look at what a few of our clients have to say. Visit the industry specific pages to view testimonial letters.

The analysis required very little involvement from our staff and National Auditing Services provided us with a win-win opportunity. We are happy we did, otherwise, we wouldn’t have received our refund check that was in excess of $100,000.
— A Global Cosmetic Manufacturer
I can easily and without hesitation recommend NASC’s utility audit and cost recovery service to any business interested for finding savings in their utility bills.
— Jessica Slater - Steel 21
The unexpected windfall is even more welcome in these challenging economic times.
— A National Printing Company
National Auditing Services is invested in my cost savings. We are basically paying them with found money. It’s a win-win situation for any company.
— Richard Walters - Marble Masters of Florida
There was minimal involvement required from us during the process and we received our refund check in about 2 months. I would highly recommend their services.
— A New York City Property Owner
Without the expertise of National Auditing Services, we would never had known that we were entitled to not only a refund but a reduction on our future electric charges.
— Lukas Morawski - MP Tool & Engineering Company
NASC has delivered the services promised and did so in a professional manner. Given this experience, I will continue to use their services.
— Gary Lerman, CFO, Altronix Corp