The Yardstick Agency, accessible at http://www.theyardstickagency.co.uk, is a marketing agency based in the UK that specializes in serving financial advisers, planners, and wealth managers. They focus on helping these professionals improve their marketing strategies through various services including branding, digital marketing, social media management, and website design. The agency aims to enhance client engagement and increase visibility for financial services firms by offering tailored marketing solutions that align with their clients' growth objectives.