A web designing agency with a wide range of services is expected to have the highest exposure to web designing techniques and tools. A company having expertise in open source development and content management systems is renowned for being a very professional company. Before hiring its services, you must consider its portfolio.
While developing and designing the websites, the company needs to integrate the SEO factors with it. Hence a company must understand the SEO designs. Hence you must choose a company that has a good knowledge of Search Engine Optimization techniques.