OCA brings together two sector leaders, renowned for archaeological excellence. As charities with an educational purpose, we are committed to sharing every story we unearth through our work with local communities and the public.


Recent Projects

We work on nationally significant infrastructure schemes across the country. Here you can read about our work, keep up to date with a project near you, and delve into the local history we uncover.

Want to speak to our team?

Find out how to contact us if you cannot find what you are looking for on the website.

Team of archaeologists listen to their daily briefing

Our Services

OCA offers a wide range of services and specialisms that covers all the demands of even the most complex project. From excellent field archaeologists to leading experts in a variety of disciplines, find out all the services we provide.

Archaeologists in orange hi-vis protective clothing surveying in archaeological features

Recent News