About Replify

Twenty years of making networks faster and safer

Replify is a small, deeply experienced network engineering team based in Belfast, Northern Ireland. We spent two decades accelerating traffic across the world’s most difficult connections, and today we bring that same expertise to Zero Trust secure access, so every connection is more secure and faster at the same time.

Our story

Established in 2006, network specialists ever since

Replify started with a hard problem: applications that crawled across slow, unreliable and expensive links. We solved it with an industry first software approach to WAN Optimization, and spent the years since refining how data moves across every kind of connection, from fibre and MPLS to satellite and Starlink.

From acceleration to Zero Trust

Optimizing traffic taught us exactly how organisations connect their people to their applications, and where the weak points sit. As remote and hybrid work made the old VPN model look increasingly risky, applying our engineering to secure access was a natural next step.

Today Replify Secure Access delivers Zero Trust Network Access that replaces the corporate VPN, with our acceleration technology built in. It’s the same idea we started with, taken further: connections that are more secure and faster at once.

We’re still a close knit team in Belfast, small enough to be easy to work with and experienced enough to be trusted with the connectivity that keeps organisations running.

2006

the year Replify was founded


20+

years of network engineering experience


Industry first

software WAN Optimization

What we’re about

How we work, and why customers stay

We’re an engineering team first. That shows up in products that do exactly what we say they will, and in the way we work with the people who use them.

Self-hosted & sovereign

Both Replify Secure Access and Replify Accelerator run entirely on infrastructure you control. Replify never sees your data or your users’ traffic. It stays yours, in your jurisdiction.

Does what it says

“Exactly as advertised, all in the background” is the review we’re proudest of. We’d rather under promise and quietly over deliver than ship noise.

Easy to work with

Small, close knit and responsive. Customers describe us as agile, collaborative and customer oriented, the kind of partner you can actually reach and rely on.

Meet our team

The people behind Replify

Based in the heart of Belfast overlooking City Hall, our team brings together decades of expertise in WAN optimization and network acceleration, a focused group of engineers, innovators and customer specialists committed to delivering frictionless connectivity to organisations worldwide.

Rozy Corry

Rozy Corry

CEO

BEng (Hons) in Electrical & Electronic Engineering from Queen’s University. Joined Replify as Senior Product Manager in 2012 and became CEO in 2014. She is currently studying an MBA with AI part time.

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Andrew Caruth

Andrew Caruth

CTO

Masters in Computer Science from Queen’s University Belfast. Joined Replify in 2010 from Autonomy and quickly developed a passion for all things Erlang.

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Sean Dempsey

Sean Dempsey

Chief Customer Officer

First class honours in Pure and Applied Mathematics and a Masters with Distinction in Computer Science. Joined Replify in 2010, splitting his time between development and OEM integrations.

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Colin Walsh

Colin Walsh

Chairman

Founder and CEO of Crescent Capital with over 20 years of venture investment experience in Northern Ireland. Serves as Non Executive Director and Chairman, and sits on numerous local company boards.

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Ian Cargill

Ian Cargill

Company Secretary / CFO

Over 35 years of financial management experience, running a financial support and accountancy practice for technology startups and providing Board level support across around twenty such businesses.

Brian Baird

Brian Baird

Commercial Director

Extensive international sales and marketing experience in IT. Founded Meridio in 2001 and joined Replify in 2008 as CEO before becoming Chairman. Received an OBE in the 2022 Queen’s Honours list.

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In good company

Trusted by teams around the world

“Replify did EXACTLY as advertised, but all in the background. The only thing the end users saw was faster applications.”

Stephen Budgeon
Applications Specialist, MOWI

“The results have been brilliant! Easy to set up and maintain. Achieving a 3× performance increase and a 60% offload from the WAN, plus very happy users.”

Stuart Gale
IT Leader, Sirius Facilities

“Replify is a customer oriented, agile and collaborative organisation. The kind you are looking for as a reliable partner.”

Stefan Keller
Chief Technology Officer, Open Systems AG

Let’s talk about your network

Whether you’re replacing a VPN, tightening compliance or just want faster, safer connections, our Belfast team would be glad to help.

Get in touch with the Replify team