Asia-Places.com listou aprox 6 bancos dentro Lang Son. Alguns dos mais bem avaliados bancos dentro Lang Son estão- Dong Dang Transaction Office - Lang Son Branch - Joint Stock Commercial Bank for Investment and Development of Vietnam (BIDV), Banco Comercial de Ações Conjuntas para Investimento e Desenvolvimento do Vietnã (BIDV), Cao Loc Transaction Office - Lang Son Branch - Joint Stock Commercial Bank for Investment and Development of Vietnam (BIDV), Dong Dang Transaction Office - Lang Son Branch - Joint Stock Commercial Bank for Investment and Development of Vietnam (BIDV), Cao Loc Transaction Office - Lang Son Branch - Joint Stock Commercial Bank for Investment and Development of Vietnam (BIDV) & Cao Loc Transaction Office - Lang Son Branch - Joint Stock Commercial Bank for Investment and Development of Vietnam (BIDV).