About Perf-Util

Who we are

Perf-Util is a team of multi-talented consultants with a broad range of backgrounds and common passion for technological innovation. Each member of the team brings multiple years of experience to bear to cover every phase of your implementation from inception to delivery and onwards through Maintenance. Due to our broad range of backgrounds we’re adaptable to any industry and technology.

Founded in 2009

The company was founded by Robert O’Farrell in June 2009. Robert has 15 years of professional experience in IT. 10 years of that experience is in client-facing roles and on systems worth between four and twenty million euro. To go with that experience he also has a strong academic background with a bachelor’s degree in Computational Physics and Chemistry, and master’s degrees in Computational Chemistry and Multimedia Systems.

Head-quartered in Dublin, Ireland

Head-quartered in Dublin, Ireland with Multi-national clients (including Euro Stoxx 50 and S&P 100 clients)

Offshore development team

Perf-Util have developed a highly competent offshore development centre allowing us to scale quickly with a multi-skilled experienced team.

Meet the Team

Our multi-skilled team have skills across a broad range of technology stacks

Mobile [ioS/Android]
Database [oracle/mysql/MS SQL server]
3GL [Objective-C, ANSI C, C99, C++, C#, VB, FORTRAN, JAVA, Python]


Robert O´Farrell

Founder & CEO

Before founding Perf-Util Rob worked in the Public Sector with IBM (DoE, SWAO), Agro-food with IBM (Diageo), Communications with IBM (NTL:) and Utilities with LODESTAR/Oracle (ESB, Centrica/British Gas Business, GDF Suez, Gazprom, RWE).


Lee Marshall

Senior Solution Architect

Lee has over 17 years of experience in the IT industry in a number of roles including test analyst, developer, business analyst, senior principal consultant and solution manager at Ferranti Computer Systems, Oracle, Engie UK and Yorkshire Electricity.