Addition+

Addition+ operates from offices in London, Barcelona and Hong Kong, positioning itself as a digital agency serving brands operating across international and local markets. The London office, based on Long Lane in EC1A, works alongside the Spain and Hong Kong locations, reflecting a structure built around programmatic delivery across multiple media channels rather than a single-market focus. The agency's client work includes a campaign for Nest aimed at reaching an audience disengaged from the topic of pensions, indicating experience translating complex or low-engagement subject matter into marketing that connects with a wider public. Listed capabilities span search engine optimization, advertising, branding, content marketing and web design, with programmatic media planning and buying as a stated area of focus across international and local markets. The agency describes connecting client data to its own proprietary technology as part of its approach, and frames its method as combining artificial intelligence with human judgement rather than relying on automated media buying alone. Team size sits within the small-agency range, with the group organised around specialist content areas covering tools and technology, people and opinion, and insight and results, suggesting a structure that pairs technical media delivery with strategic and creative input. Contact is handled centrally through the London office, with local teams in Barcelona and Hong Kong supporting regional execution.