Davis Davis & Harmon Recognized as One of Southwest's Fastest-Growing Private Companies

Sales tax consulting firm Davis Davis & Harmon (DDH) has been named to Inc. magazine's 2025 Regionals: Southwest list, ranking 76th among the fastest-growing private companies in Arizona, New Mexico, Oklahoma, and Texas.

The recognition underscores the company's remarkable business trajectory, characterized by strategic expansion and innovative service offerings. Between 2021 and 2023, DDH has distinguished itself by diversifying its service portfolio, adding international VAT tax expertise, exploring new industry verticals, and incorporating IT services.

The Inc. Regionals list highlights a remarkable economic phenomenon in the Southwest, where the 137 recognized companies demonstrated a median growth rate of 106 percent. Collectively, these businesses added 13,809 jobs and contributed $15.9 billion to the regional economy during the assessment period.

CEO Chanel Christoff Davis attributed the company's success to its adaptable and creative approach. The Dallas-based firm has established itself as a multi-national powerhouse in sales tax consulting, specializing in tax refund recovery and audit defense. Notably, the DDH team recovers over $500 million annually for its clients.

To qualify for the Inc. Regionals list, companies must be U.S.-based, privately held, and independently operated. The ranking methodology considers percentage revenue growth over two consecutive years, with minimum revenue requirements of $100,000 in 2021 and $1 million in 2023.

This recognition not only validates Davis Davis & Harmon's growth strategy but also highlights the resilience and innovation of Southwest businesses in navigating complex economic landscapes. The firm's ability to expand service offerings and maintain significant growth demonstrates the potential for strategic adaptation in consulting industries.