Telecom billing is complicated on purpose, and almost nobody inside a company owns it end to end. Promotional rates expire quietly. Circuits stay billed years after a location closed. Contracts auto-renew at list price. Taxes and surcharges get applied to services that should not carry them. Disconnect orders get confirmed and then never actually processed. None of it is dramatic on any single invoice, which is exactly why it survives — and why the cumulative number is usually larger than anyone expects when someone finally goes line by line.

An audit is only worth doing if it ends with money back and a system that keeps the waste from returning. Both halves matter.
Build the list nobody currently has: every circuit, line, seat, mobile device, and cloud subscription, mapped to a location, a contract, and a person who can confirm whether it is still needed.
Invoices reconciled against contracts and against the inventory. Expired promotional rates, wrong rate elements, misapplied taxes, duplicate billing, and services at addresses you no longer occupy.
Disputes filed and worked to resolution, credits pursued, disconnects ordered and then verified as actually processed — the step that gets skipped most often and costs the most when it is.
Monthly invoice review, a contract calendar so renewals stop arriving as surprises, and a clean approval path for new services so the inventory stays accurate instead of decaying again.
The specific findings vary. The categories almost never do.
Services billing for locations that closed, moved, or were consolidated. Disconnect orders that were submitted, acknowledged, and never actually completed. Often years of charges.
Discounts that quietly rolled off at the end of term and reverted to list. Nothing on the invoice announces it — the number just goes up and nobody connects it to a date.
Rate elements that do not match the contract, duplicate charges, services billed at the wrong tier, and features charged for that were never provisioned.
Regulatory fees and taxes applied to services or jurisdictions where they do not belong. Small per line, meaningful across an inventory, and frequently recoverable retroactively.
Active lines for departed employees, unused data pools, devices still on installment plans after they were retired, and international features nobody turned back off.
Licenses provisioned for headcount you no longer have, duplicate tools across departments, and committed spend that no longer matches consumption.
Five to twenty-five percent of annual telecom spend is the common range, and the higher end usually shows up in organizations that have grown, moved, or acquired locations without anyone reconciling the service inventory afterward. Some of it is recoverable retroactively as credits, and some of it is forward savings from turning things off.
It depends on the carrier and the contract, and on the type of error. Dispute windows are frequently limited to somewhere between six and twenty-four months, which is a real argument for looking sooner rather than later — every month that passes moves recoverable money out of reach.
The advisory relationship costs you nothing — providers compensate us. For a deep audit and recovery engagement, the arrangement is typically contingency-based, meaning the fee comes out of what is actually recovered. We will be clear about the structure before any work starts.
Read-only access and copies of recent invoices are enough to start. A letter of agency lets us dispute and order on your behalf, but that is a decision you make after you have seen what the audit found.
They review them for accuracy against last month, which catches jumps but not steady-state waste. A circuit billing correctly every month for a building you left in 2022 passes that review indefinitely. The audit compares invoices against contracts and against physical reality, which is a different question.
Send a recent bill or two. We will tell you what we see and whether there is enough there to be worth a full audit. If there is not, we will say that.
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