Kat & Mouse Web Design & SEO has been providing web design and development services since 1995. In addition to design and development we are also a search engine optimization (SEO) company, as well as provide Internet marketing and Social Media marketing services.. Local business search is now our specialty and take great pride in getting our local customers #1 in Google. We're happy to travel to anywhere in the Silicon Valley, San Jose, Monterey Bay and San Francisco Bay Areas to meet with you, but geography is not a barrier. We also serve the world.