Three of the largest names in technology expense management changed hands in the last eighteen months. Most of their customers found out after the fact.
The ownership churn is the smaller story. The larger one is what sits outside your statement of work: SaaS, Infrastructure as a Service, and cloud spend that nobody is auditing, growing faster every quarter than the categories you pay someone to watch.
The market moved, and most buyers found out late
April 2025
Cass Information Systems sold its Telecom Expense Management and Managed Mobility Services business to Asignet, moving a large book of enterprise clients to a new owner.
January 2026
Proven Optics, a ServiceNow-native IT financial management provider backed by Silversmith Capital Partners, acquired brightfin and named Joel Martins chief executive of the combined organization.
The deal split the business. Proven Optics took the ServiceNow-native enterprise product, while Periscope Equity retained Mobile Solutions and relaunched it as a standalone mid-market platform under a separate CEO. A brightfin customer today may be with either company depending on which product they bought.
Ongoing
Calero has absorbed smaller specialists while extending from telecom into SaaS and market data. Tangoe, itself built through a decade of acquisitions, has pushed into cloud and FinOps.
This is not finished. By most estimates the top five providers still account for only about half of total market revenue, which means the acquisition math continues to work for everyone involved. Expect more.
Why an ownership change is your problem, not theirs
When a provider is acquired, three things shift quietly, and none of them appear on your invoice.
Roadmap priority
Your category becomes one line item in a larger portfolio. Features you were promised get pushed behind integration work.
Service model
Acquirers that lead with software thin out managed services. Acquirers that lead with services deprioritize the platform. Whichever model you bought is the one at risk.
Account team
The analysts who knew your carrier contracts, your cost centers and your open disputes are frequently the first to leave. Institutional knowledge about your environment walks out the door, and you pay to rebuild it.
None of this is cause for alarm. It is cause to check, because the assumptions you made when you signed may no longer hold.
The bigger question: was the scope ever right?
TEM began as Telecom Expense Management. It was built for a world where a bill came from a carrier, a line had a number, and the hard part was catching a billing error.
Your technology spend no longer looks like that.
- Network: circuits, broadband, SD-WAN and SASE subscriptions, colocation, cross connects.
- Mobile: devices, lines, pooled plans, IoT and M2M, eSIM and multi-SIM.
- SaaS: seats, license tiers, automatic renewals, departmental shadow purchases.
- Infrastructure as a Service and cloud: committed use discounts, reserved instances, egress, container and Kubernetes cost, GPU and AI compute.
- Hardware and infrastructure: asset lifecycle, warranties, leases, refresh cycles.
Most providers are genuinely strong in one or two of these lanes and thin in the rest. That is not a flaw. It reflects where each one came from. A provider born in wireline auditing is excellent at wireline auditing. A platform built inside ServiceNow is excellent inside ServiceNow. A FinOps tool is excellent at cloud and blind to your carrier contracts.
The gap is rarely capability. The gap is scope, and your provider has no commercial reason to raise it with you.
What full visibility means
Real visibility is not a dashboard. It is six connected disciplines, applied consistently across every spend category.
- Inventory truth. A verified record of every service, line, seat, instance and asset you own, established before any invoice is validated. Everything downstream depends on this.
- Contract intelligence. Terms, rates, commitments, renewal dates and termination windows, held as structured data rather than PDFs in a shared drive.
- Invoice validation. Every charge matched against contracted rates, active inventory and expected usage, at the line item level.
- Usage and utilization. What is actually being consumed, so you can retire licenses with zero use, dormant lines and idle instances nobody remembers provisioning.
- Allocation and chargeback. Spend attributed to the business units that drive it, so cost conversations happen with the people who can act.
- Dispute and recovery. Errors identified, credits pursued, and recoveries tracked through to cash.
The honest test
Without opening a spreadsheet, can you answer these four questions for all five spend categories?
- What are we paying for it?
- Who is using it, and how much?
- What does the contract actually say?
- When does it renew, and what is the notice window?
If the answer is confident for telecom and vague for SaaS and cloud, you do not have a reporting problem. You have a coverage problem.
Eight questions worth asking your current provider
- Which of our spend categories are in scope and actively managed today, and which are in scope but effectively unmanaged?
- What is our current inventory accuracy rate, and how was it verified?
- What percentage of our invoices are validated automatically versus manually reviewed?
- How do you handle cloud commitments, egress, and AI or GPU compute, with your own tooling or a partner’s?
- Has your ownership or leadership changed in the last eighteen months, and who is on our account today compared with a year ago?
- What did you recover for us last year in credits and disputes, net of your fees?
- Where does our data live, in what format, and how quickly can we get it back?
- When was the last time you audited the auditor?
That last one tends to land hardest. TEM exists to validate what everyone else bills you, and the validation function itself is almost never validated. Most organizations have never independently checked whether their provider’s savings claims reconcile to the general ledger, whether the disputes filed on their behalf were pursued through to credit, or whether the inventory the whole program rests on has drifted since implementation.
If nobody has checked, the honest position is that you do not know, and you have been operating on that assumption for however many years the contract has run.
The answers matter. So does how readily they are given.
Where we come in
Start with question eight, and ask it of us first.
We will answer it about our own program, in writing, before we ask it of anyone else. A firm that sells auditing has no business being exempt from it.
With over 25 years in the managed TEM space, we have watched this market consolidate through every wave of it, and we have seen what it does to the customer on the other side of the deal. That experience is the value. We know which questions get answered directly and which get deflected. We know what an inventory accuracy claim looks like when it is real, and when it is a number pulled from a report nobody validated. We know where coverage gaps hide in a statement of work.
We help you establish what you are actually spending across network, mobile, SaaS, Infrastructure as a Service and cloud, then evaluate whether your current supplier covers it, and which supplier in a consolidating market fits the environment you have now rather than the one you had when you signed.
Sometimes that confirms your incumbent is the right answer. Often it surfaces a category of spend nobody has audited in years.
Sources
- Cass Information Systems and Asignet transaction, April 2025.
- Proven Optics acquisition of brightfin and appointment of Joel Martins as CEO, announced January 7, 2026. Periscope Equity retention of Mobile Solutions as a standalone platform, January 2026.
- Gartner Market Guide for Telecom Expense Management Services, Global.
- Market share concentration figures are widely cited industry estimates rather than audited financial disclosures.
