Case study · Telecom transformation

ISG Service cut telecom costs 33% across 37 locations.

A multi-site services company handed its telecom to Vigilis and got complete control back, with a third of the spend gone and the whole engagement paid back inside 60 days.

33%
telecom cost reduction
37
locations under management
60 days
to full ROI
The challenge

Where ISG Service, Inc. started.

ISG Service runs 37 locations, each with its own mix of voice, internet, and wireless. Bills arrived from multiple carriers on different cycles, in different formats, with no single view of what the company actually paid or why.

Their IT team did not have the hours to audit every invoice line, chase billing errors through carrier portals, or renegotiate contracts across dozens of accounts. Overcharges and off-contract rates went unnoticed, and telecom spend kept drifting up.

The work

What Vigilis did.

01
Inventoried every line, circuit, and contract
Vigilis built one source of truth across all 37 locations, mapping every service to the account, contract rate, and carrier behind it.
02
Audited every invoice, line by line
Our AI read each bill in full and flagged overcharges, rate increases, and services ISG had stopped using but was still paying for.
03
Worked the disputes inside the portals
Rather than hand ISG a report, the Vigilis team filed and worked each dispute directly in the carrier portals until credits landed.
04
Renegotiated and consolidated contracts
We put ISG on the right rates and plans for their real usage and gave them a single view to keep it that way.
The results

What changed.

33%
reduction in telecom cost
37
locations optimized
60 days
to positive ROI

ISG now has one clear view of every telecom line and contract, with Vigilis continuing to work the portals so the savings hold.

"

Vigilis gave us complete control of our telecom. Their team did the work inside our carrier portals, cut our costs by a third across 37 locations, and paid for itself inside the first 60 days.

Michael Hogan, CIO, ISG Service, Inc.

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