Before coming to the Bar, Colin was the legal director at the Immigration Advisory Service and also worked at the Refugee Legal Centre. Colin practices mainly in immigration law, undertaking all areas of work including family immigration, business immigration, the Points Based System, nationality advice and European free movement, deportation, asylum and human rights cases.

Colin also has experience in family law children proceedings, particularly in cases with an international or immigration dimension, and regularly drafts expert opinions on immigration matters for family law proceedings, being one of the few practitioners with genuine experience in both areas.

In order to keep himself up to date in a constantly changing area of work, Colin edits the popular and influential Free Movement immigration law blog. He is a former member of the Immigration Law Practitioners Association executive committee and continues to be active at ILPA. As well as having been an editor for the Butterworths Immigration Law Service since 2006 he is also case law editor at the Immigration, Asylum and Nationality Law journal, has contributed to the JCWI Guide to the Points Based System (2011) and ILPA handbook Working With Refugee Children: Current Issues in Best Practice (2011). Colin edited the pamphlet Country Guideline Cases: Benign and Practical?(2006) and has contributed articles to a number of academic journals since 2000.