HLK is an independent brand and marketing agency creating growth through movement. For nearly 50 years, we've helped organizations navigate complex challenges and create business growth by understanding the people behind every decision. From agriculture and energy to healthcare, finance and industrial manufacturing, we specialize in complex, highly regulated industries where long sales cycles, technical products and high-consideration decisions shape the customer journey. Independently owned and operated by seven hands-on partners, we bring together strategy, creative, media, communications, digital experience and data intelligence to solve business problems, build lasting partnerships and move brands forward.
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The HLK annual revenue was $22 million in 2026.
Eric Karlovic is the CEO of HLK.
182 people are employed at HLK.
HLK is based in St. Louis, Missouri.
The NAICS codes for HLK are [541810, 54, 54181, 5418, 541].
The SIC codes for HLK are [731, 73].