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Top Call Center Companies

95 ranked categories across 1,661 listings, 29 of them in the Q4 2026 edition, each ordered on evidence: client reviews, vetting, awards and what each business states on its own website. Pick the need you are buying for.

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In the Q4 2026 edition

12 rankings

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IT Services

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Identity Federation

6 Oct 2026 · TrustList Editorial

Google Kubernetes Engine: Identity Service for GKE is not supported from GKE 1.37, move to Workforce Identity Federation before upgrading

Google says Identity Service for GKE is deprecated and unsupported from GKE 1.37. Clusters that sign users in through it must disable it…

Calendar Management

6 Oct 2026 · TrustList Editorial

Google Workspace: secondary calendars are now deleted or suspended with their owner from 5 October 2026, transfer them before offboarding

From 5 October 2026 Google Workspace deletes a user's owned secondary calendars when the account is deleted, and suspends them when it is…

United Kingdom

5 Oct 2026 · TrustList Editorial

BT Group buys TalkTalk and PlatformX out of administration; DCMS issues a public interest notice and a regulatory review follows

BT says it acquired TalkTalk Telecommunications and PlatformX Communications debt-free on 5 October, covering 1.5 million retail and 1…

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