About us

MKO is Ireland’s largest Planning and Environmental consultancy.

ABOUT US

We deliver challenging and complex projects for our clients and have an unrivalled track record of success. We add real value to our client’s projects through our multi-disciplinary expertise and a broad range of nationwide experience.

Our success and growth rests entirely on the knowledge, skills, ambition and integrity of our people, and we value these qualities most highly. We are forward-thinking and work with a can-do attitude, which nurtures people, ideas and opportunities to help maximise potential.

Through our work, we aim to leave a legacy we can all be proud of.

Our mission

Our success and growth rests entirely on the knowledge, skills, ambition and integrity of our people, and we value these qualities most highly.

Core Purpose

To provide an exciting, challenging workplace where we achieve world-class standards, deliver great projects that enhance people’s lives and the environment and leave a legacy we’re proud of.

MKO Values

Quality –

Fit for purpose

Flexibility –

Find ways to get the job done

Teamwork –

Trust and support each other to deliver

Confidence –

“Can Do’ attitude”

Integrity –

Do the right thing

Company Timeline

Embark on a journey through our company’s timeline

2008

McCarthy Keville O’Sullivan Ltd formed through the merger of AP McCarthy Planning Consultants Ltd, and Keville and O’Sullivan Associates Ltd with 28 people.

2013

Re-organisation of company into three defined teams: Planning, Environmental and Ecology.

2016

Established a dedicated Ornithology Team.

2017

Introduced Estates and Project Management service offering.

2018

Launch of new MKO brand to replace McCarthy Keville O’Sullivan.

2019

New MKO Galway office opened on the Tuam Road.

2019

Established the Land Solution team and grew to six dedicated teams.

2020

100+ people.

2022

140+ people and Dublin office opened.

2023

Launched our first official Grad Programme.

2023

200+ people.

Sustainability Plan

Our success and growth rests entirely on the knowledge, skills, ambition and integrity of our people, and we value these qualities most highly.

We are forward thinking and work with a can-do attitude, which nurtures people, ideas and opportunities to help maximise potential. Through our work, we aim to leave a legacy we can all be proud of.

Discover