Citations help rank your Google Local Pack listing (this was formerly called Google+ Local map) by providing Google with credible sources of information about your business. Citations tell Google that your business exists, is legitimate and that what you say about it is accurate because it can be corroborated from multiple sources. Providing a consistent name, address and phone on various sites is therefore vital to providing trust signals to Google. psinmo.com SEMrush which conducts competitor backlink analysis. Moz provides a number of insights from competitor analysis. A great local citation needs to be seen as credible and trustworthy by both people browsing the web and Google. This is why established brands such as the Yellow Pages (Yell) Trustpilot and Thomson Local are great places to start.