Thorntons is a large firm based on the East side of Scotland. There are three solicitors who are accredited by the Law Society of Scotland as Family Law Specialists and one in Child Law.
The firm covers the full range of services including Estate Agency, Conveyancing, Wills, Company Work, Investment Services, Stock broking etc.
The firm does offer Legal Aid on a case to case basis. You would need to ask for details to see whether Legal Aid was available for your circumstances. The firm has a total staff of over 330.