27 Oct 2026 · TrustList Editorial
GMO confirms Onamae Desktop Cloud data theft, sets 30 October notice
The attacker demanded about 8 billion yen and threatened to publish data and launch ransomware at noon on 27 October. GMO refuses to pay…
3 of 12 telecom expense management software ranked on evidence in the Q4 2026 edition.
Between them, the 12 telecom expense management software on this page cover billing for voice (11) and chargeback tracking (11). 12 of them have written a profile you can read before you get in touch.
TrustList ranking
Q4 2026 edition
3 of 12 telecom expense management software ranked on evidence held on 12 October 2026: client reviews, vetting, awards and facts each business states on its own website, which we read and date. Nobody pays to be placed.
Positions are fixed for the quarter; the next edition is due in January 2027.

Billing for Data · Internal Cost Allocation · Usage Reporting
BillGenie, also written Bill Genie, is a cloud-based billing tool published by Global Solutions, Inc. (GSI), a telecom expense management company.
Why #1: Launched 1992, as stated on its own website, read 5 Oct 2026
Not yet on record: client reviews, vetting.

Billing for Data · Internal Cost Allocation · Billing for Voice
Telecom Expense Management is the name this directory gives to the technology expense platform from Calero, also known as Calero-MDSL.
Why #2: SOC 2 Type II, ISO 27001 · Placed below first here: a listing leads at most 5 rankings, as stated on its own website, read 5 Oct 2026
Not yet on record: client reviews, vetting.

Billing for Data · Internal Cost Allocation · Billing for Voice
AMI Strategies provides technology expense management software and managed services for large vendor bills such as telecom, wireless, utilities, cloud and leasing.
Why #3: Launched 1991, as stated on its own website, read 5 Oct 2026
Not yet on record: client reviews, vetting.

Billing for Data · Internal Cost Allocation · Billing for Voice
Amtel TEM Solution is a cloud-based telecom expense management platform.

Billing for Data · Internal Cost Allocation · Billing for Voice
Cloud ERP for wholesalers, distributors and online retailers covering inventory, orders, catalogues and customer activity

Billing for Data · Internal Cost Allocation · Billing for Voice
MyTEM360 is a technology expense management suite made by Saaswedo.

Billing for Data · Internal Cost Allocation · Billing for Voice
BCM One's technology expense optimisation service that centralises cost, location and contract data with expert analysis

Billing for Data · Internal Cost Allocation · Billing for Voice
Temforce is a telecom expense management product that helps organisations control what they spend on their networks. It checks that bills match what is actually delivered.

Billing for Data · Internal Cost Allocation · Billing for Voice
WinBill is telecom expense management software. It builds one central database of an organisation's IT services, suppliers and expenses, so finance and IT teams can see what they…

Billing for Data · Internal Cost Allocation · Billing for Voice
Abacus Cloud is a platform for hosted business telephony and unified communications.

Billing for Data · Internal Cost Allocation · Billing for Voice
Advantix is a managed connectivity and technology expense management offering from Advantix Solutions.

Billing for Data · Internal Cost Allocation · Billing for Voice
Calvi Professional is part of the Calvi suite, an online system for managing the exchange of information between a customer and its suppliers.
For vendors
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Every other way we rank telecom expense management software, by what they do and where they are.
The newest guides and analysis from TrustList Insights.
27 Oct 2026 · TrustList Editorial
The attacker demanded about 8 billion yen and threatened to publish data and launch ransomware at noon on 27 October. GMO refuses to pay…
27 Oct 2026 · TrustList Editorial
CERT/CC's note on CVE-2026-91141 covers vsomeip 3.7.3 and below. The fix, release 3.7.4, has been out since July, so the risk now sits in…
27 Oct 2026 · TrustList Editorial
The exposure ran from 27 August to 9 September and hit only prompts over 681,280 tokens. The upstream fix is in SGLang 0.5.20 to 0.5.22,…
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