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Technologies / British Telecom / Google Tag Manager

Companies using British Telecom and Google Tag Manager

4 companies in our data have public evidence for both British Telecom and Google Tag Manager. Each company below links to the source for every claim. Our coverage is partial, so this is not everyone.

4companies use both
80%of British Telecom users
under 1%of Google Tag Manager users
0name both as subprocessors

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

CompanyBritish TelecomGoogle Tag Manager
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
iii.comInnovative provides software solutions for public libraries, including library management systems, patron engagement tools, and resource sharing.
Spryngspryng.beSpryng provides SMS, RCS and WhatsApp messaging services and APIs.Communications

The two technologies

80% of the 5 companies we see using British Telecom also show the other.

All 5 companies using British Telecom5 name it as a subprocessor

Google Tag Manager

by Google · Analytics

Google Tag Manager is a tag management system that lets you configure and deploy tags on your website or mobile app through a web interface. It is used to add and update tags, such as measurement and marketing optimization tags, without editing your site code.

Summarized from developers.google.com on 8 Nov 2026.

under 1% of the 9,085 companies we see using Google Tag Manager also show the other.

All 9,085 companies using Google Tag Manager58 name it as a subprocessorMore in Analytics

Other pairs

Companies with their own evidence for both.

More with British Telecom

Cloudflare5companiesWordPress5companies

More with Google Tag Manager

Cloudflare9,090companiesGoogle Workspace6,007companiesGoogle Analytics3,413companiesHubSpot2,830companiesWordPress2,594companiesAmazon Web Services2,589companies

Questions

How many companies use both British Telecom and Google Tag Manager?

4 companies in StrataDB's data have public evidence for both. Our coverage is partial, so the real number is higher.

Which companies use British Telecom and Google Tag Manager?

Esendex UK, Esendex AU, iii.com and Spryng. Each one links to the evidence behind it.

How does StrataDB know a company uses British Telecom and Google Tag Manager?

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 British Telecom and Google Tag Manager

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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