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Technologies / British Telecom / Cloudflare

Companies using British Telecom and Cloudflare

5 companies in our data have public evidence for both British Telecom and Cloudflare, and 1 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
100%of British Telecom users
under 1%of Cloudflare users
1name 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 TelecomCloudflare
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
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

100% of the 5 companies we see using British Telecom also show the other.

All 5 companies using British Telecom5 name it as a subprocessor

Cloudflare

Cloud and infrastructure

Cloudflare is a platform for building, securing, and scaling applications, agents, and workforce workloads without managing infrastructure. It is used to run security, connectivity, and code on a global network close to users, applications, and sites.

Summarized from cloudflare.com on 8 Nov 2026.

under 1% of the 22,927 companies we see using Cloudflare also show the other.

All 22,927 companies using Cloudflare2,133 name it as a subprocessorMore in Cloud and infrastructure

Other pairs

Companies with their own evidence for both.

More with British Telecom

WordPress5companies

More with Cloudflare

Google Workspace14,067companiesGoogle Tag Manager9,067companiesGoogle Analytics8,115companiesNext.js6,267companiesAmazon Web Services5,268companiesVercel4,725companies

Questions

How many companies use both British Telecom and Cloudflare?

5 companies in StrataDB's data have public evidence for both, and 1 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 British Telecom and Cloudflare?

Rackspace, 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 Cloudflare?

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 Cloudflare

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
  • 100 API calls a month, plus MCP and the Chrome extension
  • Work email only. No card, no sales call