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Disclaimer: Star Stack provides information about European technology services for educational purposes only. Service listings, sovereignty assessments, and recommendations do not constitute legal, financial, or professional advice. We encourage you to verify all information independently and consult appropriate professionals before making technology decisions. Star Stack is not affiliated with any listed services unless explicitly stated.

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Speechmatics TTS | Star Stack

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Speechmatics TTS

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Speechmatics TTS

Name: Speechmatics TTS
Author: Star Stack

Low-latency Text-to-Speech API for real-time conversational AI

Text-to-Speech (TTS)

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About

Speechmatics TTS converts text to speech with sub-second latency to support real-time conversational AI agents. It is designed for developers building voice applications that require speaker-aware interaction across multiple languages.

Resources

No migration guide is currently listed for this service.

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Sovereignty Score

Recorded assessment version: jurisdiction-ownership-2026-10-04

out of 100

Data completeness64% (Partial)

Jurisdictional(56%)

Significant foreign legal exposure risk

Jurisdiction: United States (EU adequacy decision)
Parent provider in United States (CLOUD Act risk) (Speechmatics (USA) Inc.)
Five Eyes intelligence alliance exposure
US CLOUD Act applies (US can compel data access regardless of storage location)

Ownership(44%)

Strong EU ownership and control

Bootstrapped (self-funded)
Series B funding
Low acquisition risk (bootstrapped, no investor pressure) (No VC exit timeline, founders retain full control)

More dimensions coming soon

GovernanceComing soon

PortabilityComing soon

LicenseComing soon

CommunityComing soon

How missing data affects scores Submit data corrections

Provider

Cantab Research Limited

Quick Facts

Legal jurisdiction: United Kingdom
Headquarters: United Kingdom
Ownership: Bootstrapped

Evidence and freshness

Verification date unknown. This assessment needs review.

A score is an assessment of recorded facts. Missing evidence and unresolved ownership can affect the result.

Ownership: other
Statement 12/02/2026, confidence 90%.
Read evidence notes
From enrichment pipeline 2026-02-06_03-32-59_c6_v20-validation