Reputation is all important in any business and is built with years of quality and trust. Endorsements are another quick way of building credibility. For example, if a reputed organisation shares your link, it would be positive to your business. You stand to benefit indirectly by the reputation of the organisation that is hosting your link. Similarly, your link found in suspicious or spam site, ensures you are doomed. You would be considered only in the same scale as the spam. The affordable seo uk agencies in UK have recognised this aptly and create backlinks that mark you as trustable, serious and genuine, making you attractive to the search engines.