A full service law firm that specializes in serving the bankcard industry Legal Services - Portfolio Sales/Mergers & Acquisitions Mr. Rianda has helped his clients in the sale of their businesses by drafting and negotiating agreements for the sales of portfolios of merchants and entire businesses.  In addition, he has worked with investment bankers, venture capitalist and other sources of funds to obtain financing for his clients. If you want to sell your portfolio, he also has access to clients who are interested in buying portfolios.