Although Web development can be done in-house, it isn't as successful as hiring professionals to do the job. This is because Web development is way beyond creating a beautiful website with accurate coding. There is a lot more that goes into development of websites like designing, SEO, internet marketing, Web hosting, etc. There are lots and lots of complex technicalities that need to be taken care of to provide a business with the perfect website that can provide a great user experience to their customers.