Trusted Experts in Utility Bill Auditing & Cost Recovery

With complex rate structures and frequent billing errors, it’s easy for overcharges to slip through. NASC brings decades of experience auditing utility and telecom invoices — helping businesses of all sizes recover lost funds and reduce ongoing costs.

No risk. No upfront cost. Just results.

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Across the U.S., we’ve enabled businesses to significantly reduce their utility expenses.

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Stop Overpaying for Utilities

Our experts work across all utility types and industries, using deep knowledge of complex rate structures to uncover savings opportunities most companies miss — all with no upfront cost and no disruption to your operations.

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You’ve taken the first step.

If you’re here, you likely suspect your business is among the 75% being overcharged by utility companies.

NASC is a specialized auditing and cost recovery firm focused on utility bill auditing and recovery. If you’re visiting our website, it’s likely because you suspect your business may be overpaying on its utility bills — and you’re not alone. Industry data shows that billing errors and overcharges are increasingly common. Without a professional who understands the complex structure of utility billing, these costly mistakes often go unnoticed, leading businesses to overpay month after month. At NASC, we don’t just stop the overcharges — we also work to recover any past overpayments owed to your account.

Our Process. Your Savings.

Identifying errors in your utility bills is what we do best — and getting started is simple. We review your bills, identify any overcharges, and recover the savings for you. No hassle, no disruption to your operations — just results.

Our Services

NASC specializes in utility bill auditing and cost recovery, identifying billing errors and securing refunds for overcharges. Our expert team understands the complexities of utility billing, ensuring you stop overpaying and recover what you’re owed.

NASC conducts audits across a wide range of utilities, including:

  • Electric
  • Gas
  • Water / Sewer
  • Telecom and Wireless
  • Property Tax Audits
  • Steam
  • Propane
  • Oil
  • Diesel

Our intensive audits look for possible errors and savings, including:

  • Invoice accuracy
  • Incorrect meter readings
  • Faulty meters
  • Redundant billing charges
  • Evaluation of line charges
  • Usage charges
  • Surcharges, taxes & tariffs
  • Consumption review
  • Demand reading errors

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The only utility auditing company rated A+ by the BBB.