GCM specializes in building authentic, data-informed marketing strategies for small businesses, artists, and entrepreneurs—helping brands grow visibility, credibility, and revenue through intentional collaboration and storytelling. Under Jocelyn’s leadership, the agency has become known for pairing creative vision with operational clarity, delivering campaigns that are as strategic as they are compelling. With expertise spanning digital advertising, social media management, graphic design, branding, and creator-led campaigns, GCM approaches every project with a tailored mindset. Whether launching a new offering, refining a brand identity, or scaling an existing audience, GCM designs solutions that align with each client’s goals while remaining grounded in measurable outcomes.
At the core of GCM’s work is a belief in relationships and community-driven growth. That philosophy extends beyond client services to THECOLLAB, a natural extension of GCM’s mission. Located in downtown Pittsfield, THECOLLAB is a multidisciplinary recording studio and resource network dedicated to supporting creatives, entrepreneurs, and cultural programming in the Berkshires. Together, GCM and THECOLLAB reflect Jocelyn’s commitment to building sustainable platforms where creativity, strategy, and community intersect.
Discover how Guelce Collaborative Marketing can elevate your brand and connect you with the audiences that matter most.
Contact: info@guelcecollaborative.com
About GCM
Guelce Collaborative Marketing (GCM) is a Berkshire County–based marketing agency founded by Jocelyn Guelce Messina, a marketing strategist and entrepreneur with deep roots in the creative economy, performing arts, and small business development.