Infinium Marketing Group

Infinium Marketing Group is a full-service marketing agency in Lake in the Hills, IL, serving small and medium businesses, nonprofits, and personal brands with strategic, creative, and results-driven marketing solutions. The agency specializes in crafting high-converting marketing strategies, digital experiences, and brand-building initiatives that emphasize bold creativity, functional design, and human-centered approaches. Founded in 2011 by Harry Semerjian, the team of 15 designers, developers, and strategists combines deep industry experience with a startup mentality to deliver impactful, scalable solutions. Their work spans strategy, design, development, and ongoing optimization, with a track record of over 750 successful projects. Though they have no public reviews yet, their 5.00 rating reflects a strong foundation in client satisfaction and service quality.

The agency was built by professionals with extensive marketing experience, drawing on more than three decades of industry knowledge. They operate with a proven, step-by-step process focused on clarity, collaboration, and measurable outcomes, beginning with deep dives into client goals, progressing through iterative design and development, and continuing with post-launch growth and optimization. Their team is composed of specialists in strategy, project management, and creative execution, including Project Directors and Managers who guide client projects from concept to delivery. They emphasize precision, innovation, and a culture of continuous refinement, including resolving internal debates with humor and care.

Infinium Marketing Group is based at 151 Dartmoor Drive in Crystal Lake, IL, a short drive from the city’s central business district and near major regional transportation corridors. The office is accessible by appointment only, reflecting a focused, client-centered operational model. The team’s long-standing presence in the area underscores their commitment to local growth and excellence in digital marketing services.

As a marketing agency rooted in both experience and innovation, Infinium Marketing Group stands out in Lake in the Hills for its ability to merge creative boldness with strategic precision. They help local businesses and organizations build brands that resonate, convert, and endure.