Why use an SEO company London? The reason you should consider Hiring a search engine optimisation company, is because they can increase your earnings considerably by getting more visitors to your website from the search engines.
The major search engines such as Bing and Google use complicated algorithms to determine which websites should be shown at the top of the search engine results. If your website is not on page one, you have very little chances of receiving this free traffic.
To get your site onto the first page it should be optimised for this search engines and also very user-friendly. A good search engine optimisation company knows exactly what the search engines are looking for and therefore will tweak your website accordingly so you get better rankings.
Obviously you could learn search engine optimisation yourself, but if you are already running a business you will probably find it too complicated and time-consuming: so it makes good business sense to hire somebody who knows what they are doing.