About Us

Constructive Solutions Consulting is a Florida based firm led by seasoned professionals, John Jahreis and Hal Zeigler. With decades of hands-on experience across residential, commercial, and specialty construction projects, we provide practical, results-driven solutions and expert insight tailored to each client's needs.

John Jahreis

John Jahreis has more than 30 years of experience in general contracting and consulting. His detail-oriented approach and practical insight helps clients resolve issues and manage construction efficiently across residential and commercial sectors.

Testimonies

Hal Zeigler

Hal Zeigler brings over 30 years of experience in the construction industry, working in general contracting and construction management across a variety of major projects. His leadership and deep technical expertise support clients through complex construction needs.