MARKETING STRATEGIST
About David
David Coslett is a British entrepreneur, marketing strategist, author, and former Top 10 UK singer-songwriter. He is the co-founder and director of Hello Social Avenue, a fast-growing marketing agency based in Derbyshire, best known for helping small and mid-sized businesses turn content into consistent client acquisition. With a background that blends creativity, communication, and commercial growth, Coslett has become a rising voice in the world of modern marketing and business storytelling.
SINGER-SoNGWRITER
Early Career and Music Industry
He began his professional journey in music, writing and performing original songs that climbed the UK charts and saw him tour across Europe. His EP “Work of Art” gained national traction, earning him radio appearances, media coverage, and a dedicated fanbase. This experience in building emotional connections through storytelling became the foundation of his future in brand building and audience growth.
BUSINESS OWNER
Entrepreneurial Journey
In 2021, alongside his wife and business partner Abbie Coslett, David launched Hello Social Avenue, a social-first marketing agency focused on strategy-led content, lead generation, and video production. Under their leadership, the agency scaled from a kitchen-table startup to a six-figure business supporting more than 100 companies annually, all while remaining rooted in community, creativity, and client results. Hello Social Avenue offers tiered service levels and its own branded CRM platform, and has become a trusted partner for brands looking to clarify their message, increase visibility, and grow revenue particularly across the Midlands and wider UK.
KEYNOTE SPEAKER
Thought Leadership and Speaking
David is a regular keynote speaker, podcast guest, and marketing coach known for his practical frameworks and engaging style. He is deeply influenced by thinkers such as Donald Miller, Marcus Sheridan, and Alex Hormozi, and is passionate about making high-impact marketing feel simple, actionable, and repeatable for small business owners.His upcoming book, Hello Marketing, is a roadmap for founders, marketers, and creators to build brands that attract the right clients — without burning out or selling their soul. The book introduces his signature “Marketing Mix” framework and shares lessons from growing an agency, working with clients, and navigating the shift from creator to closer.
David did a morning workshop with me and my team on LinkedIn and it was unreal. The results we have had in 3 weeks on LinkedIn (organic) has been the best we have ever had in 6+ years of using it. 5 solid leads and 1 converted… mental.
Andrew Claypole - MD, Reach Studios
The team has a talent for getting the best from you and developing your personal brand. Their understanding of social media content means they can guide you through the process.
Caryn Dunlop - Mindset & Life Coach
Abbie & David have helped me develop my social media presence and engagement by filming and editing high quality videos! David has a real skill of providing constructive feedback during filming sessions.
