MEET OONAGH & MARIE-CLAIRE

Meet Oonagh O’Reilly and Marie-Claire McGreevy, the co-founders of MCO Performance, a creative, innovative, and action-orientated strategy execution consultancy dedicated to systemising commercial operations, enhancing motivation and mindset, cultivating high-performance cultures and inspiring positive action.

Connect with Oonagh

Connect with Marie-Claire

Co-Founders Oonagh O'Reilly and Marie-Claire with Content Marketing Executive, Broghán Donnelly.

OVER 35 YEARS OF BRAND EVOLUTION

With over 35 years of combined expertise, they’ve successfully driven transformational change and growth for Top 100 brands and high-growth scale-ups like NI Chamber, Irish Football Association, and Texthelp, consistently surpassing revenue targets and nurturing high-performing teams. 

Their journey began with a passion for accountability-based leadership, honed during their tenure leading the commercial function at the iconic ICC Belfast, Waterfront Hall, and Ulster Hall venues. 

Now, partnering with blue-chip clients such as Danske Bank and prestigious award winners like First Event, they empower teams to unlock their full potential by simplifying systems and processes, allowing for greater creativity, long-lasting results and inspiring positive action.

STAY CONNECTED

1

OONAGH O'REILLY

Director | Co-Founder

2

MARIE-CLAIRE MCGREEVY

Director | Co-Founder

3

BROGHÁN DONNELLY

Content Marketing Executive