# Matthew O’Riordan (slim)

> Matthew O’Riordan is CEO and Technical Co-founder. Ably on Anchor Terminal, with grades, an about and public profiles.

- Full: https://www.anchorterminal.com/people/matthew-o-riordan/index.md (~900 tokens) · this version ~730 tokens · JSON https://www.anchorterminal.com/people/matthew-o-riordan/index.json · canonical https://www.anchorterminal.com/people/matthew-o-riordan/
- Index: https://www.anchorterminal.com/llms.txt · API: https://www.anchorterminal.com/api/v1/index.json · MCP: https://www.anchorterminal.com/mcp · Updated: 2026-10-28
- Licence: CC BY 4.0, credit Anchor Terminal and link this page (https://www.anchorterminal.com/terms/#data)

CEO and Technical Co-founder.

Matthew O'Riordan is CEO and technical co-founder of Ably, a realtime messaging and data-streaming platform he launched with Paddy Byers in 2016. He has worked as a software engineer for more than 20 years, many of them as a CTO, and previously started and exited two tech businesses.

- LinkedIn: https://www.linkedin.com/in/mattoriordan/

## What Matthew builds

- [Ably](https://www.anchorterminal.com/tools/ably.md), graded BB, 75.2/100, in Event delivery & webhooks. Hosted realtime messaging from Ably Realtime Ltd in London. Clients publish and subscribe on channels over WebSocket, SSE or MQTT, with a REST API, presence, message history, outbound and inbound webhooks, and AMQP queues. CEO and Technical Co-founder, researched 2026-10-26.

## Works with

- [Paddy Byers](https://www.anchorterminal.com/people/paddy-byers/), CTO and Co-founder

## Backed by

- [Forward Partners](https://www.anchorterminal.com/investors/forward-partners/)
- [MMC Ventures](https://www.anchorterminal.com/investors/mmc-ventures/)
- [Insight Partners](https://www.anchorterminal.com/investors/insight-partners/)
- [Dawn Capital](https://www.anchorterminal.com/investors/dawn-capital/)
- [Triple Point](https://www.anchorterminal.com/investors/triple-point/)
- [Digital Horizon](https://www.anchorterminal.com/investors/digital-horizon/)

## Questions

### Who is Matthew O’Riordan?

Matthew O'Riordan is CEO and technical co-founder of Ably, a realtime messaging and data-streaming platform he launched with Paddy Byers in 2016. He has worked as a software engineer for more than 20 years, many of them as a CTO, and previously started and exited two tech businesses.

### What does Ably Realtime Ltd make?

Anchor Terminal lists Ably from Ably Realtime Ltd.

### Who has invested in Ably Realtime Ltd?

The sources our research read name Forward Partners, MMC Ventures, Insight Partners, Dawn Capital, Triple Point and Digital Horizon.

### How are Matthew's tools graded?

Ably is graded BB, 75.2 out of 100, on Anchor Terminal's benchmark, which scores every listing against the same checklist.

## Sources

- https://ably.com/about
- https://www.linkedin.com/search/results/people/?keywords=%22Ably%22%20founder
- https://ably.com/
- https://ably.com/contact

These are the people building the tools we list, named for their public role in the company or project behind a listing, from public pages, with the date it was researched.