Contact us
Let’s open up infrastructure, together.
Whether you want to join CoST, bring us in on a project or build a partnership for infrastructure transparency, we would love to hear from you. Tell us what brings you here and we will show you the way in.

What brings you to CoST?
Choose one. We will show you only what you need.
Your route
Pick one of the three above and your route opens here.
Membership
Bring CoST to your country or city
CoST membership is for governments at national or subnational level, and their civil society and private sector partners, who are committed to improving transparency, accountability and participation in public infrastructure and see our approach as central to that reform.
Next step
See what membership involves and how to apply.
Services
Bring us in on your programme
Beyond membership, we work with public and private organisations, including bilateral and multilateral institutions, on research, programme management, training, tools and resources. Recent work includes:
- developing the Infrastructure Integrity Toolbox
- supporting Vietnam, the Philippines and Zambia through the UK’s Green Cities, Infrastructure and Energy Programme
- a series of training on infrastructure transparency for the World Bank
Next step
Tell us what you are working on and what you need.
Advocacy and partnerships
Move the agenda forward with us
We work with established and new organisations to advance infrastructure transparency, accountability and participation.
Or just say hello
Not sure which route fits? Write to us and we will take it from there.