Harriet is a specialist in charity property. She is ranked in the Legal 500 and Chambers directories as a Leading Individual. She regularly advises a broad range of local and national charities on property and governance matters. She also advises on charity structures and incorporations, as well as group structures for housing associations and charities with trading arms. Charities that Harriet acts for include; English and Welsh housing associations, the Royal Voluntary Service, Arts Council of Wales, Wales Millennium Centre, Assemblies of God Churches, and the Church in Wales.