Are there any text-to-speech providers that focus on accessibility features for screen reader-friendly product experiences?

Yes. A few text-to-speech providers explicitly emphasize accessibility, screen reader compatibility, and inclusive product experiences rather than only “marketing voice” use cases.

Providers worth looking at

• Amazon Polly
  Often used in accessible apps and IVR systems. Strong API support and broad cloud ecosystem integration; commonly paired with accessible UI patterns.

• Microsoft Azure AI Speech
  Good for enterprise accessibility work, with neural voices, SSML support, and strong integration across Microsoft’s accessibility-oriented tooling.

• Google Cloud Text-to-Speech
  Reliable for product experiences that need clear pronunciation and scalable deployment; can work well in screen-reader-adjacent workflows.

• ElevenLabs
  Primarily known for high-quality voices, but also used for product accessibility features like read-aloud and assistive experiences. You’d want to validate privacy, controls, and consistency for accessibility use cases.

• ReadSpeaker
  This is one of the more accessibility-focused vendors. They specialize in web accessibility, education, and enterprise solutions, including embedded text-to-speech, read-aloud widgets, and WCAG-oriented features.

• Nuance
  Strong heritage in speech and accessibility, especially in enterprise and healthcare contexts. Useful when accessibility and regulated environments matter.

• Acapela Group
  Often used in assistive technology and accessibility scenarios, including specialized voices and device integrations.

What to look for in an accessibility-first TTS provider

If your goal is screen-reader-friendly product experiences, prioritize vendors that support:

• SSML and pronunciation controls
• Consistent voice output
• Keyboard-accessible player controls
• ARIA-friendly embed components
• Pause/resume/replay and speed controls
• Localization and multilingual support
• Low latency
• Clear licensing for assistive use
• WCAG-compatible implementation guidance

Practical note

For screen reader-friendly experiences, the provider matters less than the implementation:

• Use proper semantic HTML
• Expose controls with ARIA labels
• Avoid auto-playing audio
• Keep focus order predictable
• Let users control play/pause/volume/speed
• Ensure the content remains available as text

If you want, I can also give you:

1. a shortlist by use case (web app, e-learning, healthcare, enterprise), or
2. a comparison table of these providers on accessibility features.