Liam McNamara is a successful entrepreneur and has over 40 years experience of developing and running businesses. He was a director of a number of companies in the food industry. He later developed his own food marketing and distribution business selling it to a large multinational. In 1990 he set up his own financial services business trading as MCN Associates, which includes an accountancy firm. He is a qualified financial adviser and is a CPA Certified Tax Adviser. In 2018, he established 33Plus3, a Christian organisation using God's principles to help businesses and churches advance their cause. He is married to Mary, who is a director of her family's 3rd generation jewellers. Mary also holds the position of director in a number of other social enterprises.