Welcome to
We are driving positive change by developing, connecting and empowering leaders in the voluntary and community Sector.
Shaping Leaders for Positive Change
We cultivate inspirational, innovative, and highly skilled leaders who can drive positive change and make a significant impact across society.
We build capacity in the voluntary and community sector, to ensure a thriving sector driving positive change and delivering outstanding impact in our society.
CO3 is a membership organisation that represents chief officers, senior managers, and trustees of community and voluntary organisations and social enterprises across Northern Ireland. With 900 members, we provide a wide range of leadership development programmes designed to build leadership capacity, enhance skills, and facilitate peer learning opportunities. Our services include training, mentoring, networking events, policy advocacy, and governance support.
Learn
Do you want to expand your knowledge or sharpen your skills?
Connect
Build meaningful relationships, share experiences, and collaborate with fellow leaders.
Influence
Shape the conversation, champion your cause, and engage with key decision-makers.
Support
Access guidance, resources, and a community that empowers you to overcome challenges and thrive in your leadership journey.
Upcoming Events & Programmes
What Members Say About CO3
Join us as a member
Whether you’re a Chief Executive, Trustee, Senior Leader, or Chair in the voluntary, community or social enterprise sector — or a corporate partner looking to make a meaningful impact — CO3 is your network.
We connect and support leaders who are shaping communities across Northern Ireland. Our growing membership includes over 850 sector leaders and a growing number of corporate organisations committed to social responsibility.
Explore how you can join a trusted community of peers, invest in your leadership, and make connections that count.









