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Technologies / Microsoft / Telstra

Companies using Microsoft and Telstra

5 companies in our data have public evidence for both Microsoft and Telstra, and 5 name both in their own subprocessor list. Each company below links to the source for every claim. Our coverage is partial, so this is not everyone.

5companies use both
under 1%of Microsoft users
83%of Telstra users
5name both as subprocessors

Companies using one are 14 times as likely as the average company in our data to show evidence of the other.

The companies

Strongest evidence first: a company naming both in its own subprocessor list comes before one seen on its website or in job postings.

Subprocessor listPrivacy policyWebsiteJob postings

CompanyMicrosoftTelstra
Esendex UKesendex.co.ukEsendex provides a multichannel messaging platform and APIs for sending and managing messages across channels such as SMS, WhatsApp, RCS, email and voice.Communications
Esendex AUesendex.com.auEsendex provides a multichannel messaging platform and APIs for sending SMS, WhatsApp, RCS, email and voice messages.Communications
Rackspacerackspace.comRackspace operates enterprise AI infrastructure, including governed private cloud and AI workloads in production, along with cloud consulting, migration, and managed operations services.AI and machine learningCloud and infrastructure
Sonetelsonetel.comSonetel sells business phone numbers that ring in its app or forward to a mobile or any phone worldwide.CommunicationsTelecom
Spryngspryng.beSpryng provides SMS, RCS and WhatsApp messaging services and APIs.Communications

The two technologies

Microsoft

Productivity

Microsoft is a company whose stated mission is to empower every person and every organization on the planet to achieve more. It offers products and services including Microsoft 365, Azure, Copilot, Windows, Surface, and XBOX.

Summarized from microsoft.com on 8 Nov 2026.

under 1% of the 1,452 companies we see using Microsoft also show the other.

All 1,452 companies using Microsoft899 name it as a subprocessorMore in Productivity

Telstra

Cloud and infrastructure

83% of the 6 companies we see using Telstra also show the other.

All 6 companies using Telstra6 name it as a subprocessorMore in Cloud and infrastructure

Other pairs

Companies with their own evidence for both.

More with Microsoft

Cloudflare1,441companiesGoogle1,012companiesAmazon Web Services789companiesGoogle Workspace743companiesGoogle Tag Manager664companiesStripe517companies

More with Telstra

Cloudflare6companiesMeta5companies

Questions

How many companies use both Microsoft and Telstra?

5 companies in StrataDB's data have public evidence for both, and 5 of them name both in their own subprocessor list, the strongest evidence we hold. Our coverage is partial, so the real number is higher.

Which companies use Microsoft and Telstra?

Esendex UK, Esendex AU, Rackspace, Sonetel and Spryng. Each one links to the evidence behind it.

How does StrataDB know a company uses Microsoft and Telstra?

From four kinds of public evidence: subprocessor lists, privacy policies, website code and job postings. Each is kept apart with its source and the date we saw it. A company missing here means we found no evidence, not that it does not use them.

Find every company using Microsoft and Telstra

See the full list with the source for each company, and run the same lookup for any technology from the API, Claude or your browser.

  • Every company and vendor, with its public source
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