User friendly interface designing , Complex database handling and 24 hours support . If you want a website that can show your company's actual vision, mission and about you then I will suggest right technology for you . I think I have reduced half of your trouble . Now if you want a
complex web site I will suggest you Asp.Net framework technology and SQL database where with the help of your business logic I can perform automatically fine collection system , attendance calculation system , sell perchance details storing system , with the stored data I can make many types of report , you can upload Excel download Excel report , quotation making , online payment service , you can get PDF file of invoice bill etc . Basically any types of complex ERP,CRM,MVC project I can developed in few weeks . And the main thing is that these websites are responsive for all devices .