About Us
Who are we?
O’Sullivan Foley Agri provide business services right across the farming and agribusiness spectrum. Recognised as a specialist in the planning and administrative aspects of farming, we work predominantly with farmers while also serving market sectors including the agricultural supply trade, food processors and retailers. In addition, we are nationally recognised for being the authors of the Farmers’ Handbook, now in its 25th edition, which is widely used by farmers and professionals serving farmers and is the only publication of its type available in Ireland.
We are proud of our knowledge-base and our relationships, which are unique in fostering communication and understanding across the entire chain from farm to retailer.

Our Expert Team.
Who We Are

Founder + Owner
Martin O’Sullivan
B. Agr. Sc., Q.F.A M.A.C.A., RAC,
Martin has been practising as an agricultural consultant for nearly 40 years. His areas of specialty are farm finance, taxation and succession and he is probably best known as the author and originator of the Irish Farmers Handbook now in its 25th. edition. He holds an honours degree in Agricultural Science, a Diploma in Forensic Accounting from Chartered Accountants Ireland and a Diploma in Financial Services (UCD). He was twice president of the Agricultural Consultants Association (ACA) and is currently the business and taxation representative of that association

Diarmuid Foley
B. Agr. Sc., RAC, M.A.C.A.
Diarmuid holds an honours degree in Agricultural Science. He commenced practice as a private farm consultant in 2015 having previously worked as a farm advisor with Teagasc. His areas of specialty are farm schemes and specialist dairy farm advice. He has a keen interest in dairy farming and is actively involved in the home dairy herd comprising 180 cows. He is a keen sportsman and is a former member of the Tipperary senior football panel.

Angela Casey
I.P.A.V.
Angela joined our team in 2013 and has progressed into a number of roles since. Having qualified as an Estate Agent & Property Manager in 2005 she worked in that industry for approx. 10 years before joining us in the capacity of Marketing and Media Manager for our publication The Farmers Handbook. Angela is also the Programme Manager for AgriLearn and the Secretariat for the A.C.A – Agricultural Consultants Association that has over 200 Members Nationwide.