This group is a place to buy and sell small businesses. Make sure to do your own due diligence.The most Philadelphia County, Pennsylvania businesses for sale listings including franchises, opportunities and businesses. Browse 178 Philadelphia, PA business opportunities available on BizBuySell. Our office provides help with SBA services including funding programs, counseling, federal contracting certifications, and disaster recovery. Interested in a franchise opportunity in Pennsylvania? Find listings of 100's of profitable franchises in our directory. 67 Businesses Available to Buy Now in Philadelphia, PA on BFS, The World's Largest Marketplace for Buying and Selling a Business. LoopNet is the largest global commercial real estate marketplace, featuring diverse listings for investors at all levels. Although Philadelphia lost that primacy in the nineteenth century, firms specializing in medical and religious publishing continued to do well.