Latitude Signage + Design

Latitude Signage + Design is an architectural signage firm in Grinnell, Iowa, specializing in the planning, design, and installation of directional, digital, room ID, donor monument, and building signage that enhances brand experiences and customer journeys. The company serves businesses, contractors, and architects across the region, delivering custom solutions rooted in functionality, creativity, and long-term durability. With a 5.00 rating, the company is recognized for consistent excellence in service and client satisfaction.

Founded in 1985 by Tom and Dianne Latimer in their garage, Latitude Signage + Design began with a commitment to building relationships and investing in local talent. The company’s first major project was for Principal Insurance at 801 Grand Ave in Des Moines, a deal that set the foundation for growth. Today, it operates with over 100 employees and 60,000 square feet of manufacturing space. Leadership is guided by a family-oriented culture, with current leadership under Michael McKeag and active involvement from family members in key roles. The company emphasizes trust, integrity, and creativity, prioritizing open conversations about goals, budgets, and design options to ensure every project reflects its client’s vision.

Located at 1219 Zimmerman Dr, the business sits just a short drive from West Street South, a main road, and is within a half-mile of Pinder Avenue and 400th Avenue. It is approximately 0.8 miles from the Poweshiek County 4-H and FFA fairgrounds and the Heritage Park Museum, and about 0.9 miles from the Grinnell Regional Airport.

Latitude Signage + Design is known for its deep expertise in architectural signage, combining creative design with technical precision. The company’s reputation is built on long-standing client relationships, consistent delivery of high-quality work, and a proven track record of projects that enhance both wayfinding and brand identity.

As a trusted partner in shaping public and private spaces, Latitude Signage + Design plays a vital role in defining the character of Grinnell’s built environment.