Transamerica Retirement Solutions, is a recently renamed full service retirement firm formed via the mergers of several “AEGON” companies including Transamerica Retirement Services, The Employer Solutions and Pensions Group of Transamerica, Clark Consulting and Diversified Investment Advisors, in this new model they are a major player in all retirement markets from small to large with an emphasis on full service and a la carte consulting in nearly every area of retirement plan administration consulting and investment management "once a traditional mid market financial investment/record keeping firm that specialized in corporate retirement plans, with an avg.