Equistone Europe, a London-based independent investment firm, completed the investment in Talon Outdoor, a provider of marketing and outdoor advertising services. Mayfair Equity fully exits Talon. Financial terms were not disclosed. “We are thrilled to be welcoming Equistone and excited to be working closely with the team to support Talon’s next phase of growth. Now in our tenth year, Talon is established as a market leading OOH agency and we thank Mayfair for being a huge part of this journey. We are particularly excited for the opportunities the new Equistone partnership will create for Talon’s clients across the globe," Barry Cupples, Talon CEO.