John LaRosa is the President of Marketdata LLC, a 46-year-old privately owned independent market research publishing/consulting firm. During his career, Mr. LaRosa has personally authored more than 300 major industry/market studies, primarily in the service and healthcare sectors. In addition to publishing such studies, Marketdata performs custom research projects and consulting, creates business plans, and Mr. LaRosa is available for phone conference calls and speaking engagements. Now offering Market Research Reports.
Things That ChatGPT / AI Can’t Do – Some Market Research Examples
March 5, 2026 We know that many executives and researchers are now using AI tools. Yes, it’s helpful and saves time. But, it’s not always
U.S. Weight Loss Market Worth $135 Billion, To Grow 6.6% in 2026
March 4, 2026 Marketdata LLC has released a new report: “The U.S. Weight Loss Market: Status Report & 2026 Forecast” This 108-page analysis tracks the
U.S. Home Services Market Worth $543 Billion
Jan. 30, 2026 Marketdata LLC has released a new 153-page report covering the U.S. Home Maintenance Services Market, consisting of: HVAC & plumbing contractors, pest
U.S. Mental health Treatment Market Worth $118 Billion
January 7, 2026 Marketdata LLC has published a new market study: “The U.S. Mental Health Treatment Market: Facilities, Apps, Therapists”. This 79-page analysis tracks the $118
You Don’t Need A Global Analysis!
January 1, 2026 You Don’t Need A Global Analysis Report if You Are A U.S. Service Business – So why pay more for it? If
Professional Coaching Industry Grows To $16 Billion In The U.S.
October 28, 2025 Marketdata LLC has released a new analysis of the U.S. coaching industry: Life Coaches, Executive Coaches and Health Coaches. “The Professional Coaching
$26 Billion Diagnostic Imaging Centers Industry Is Growing
Sept. 15, 2025 Marketdata has published a newly updated study: “The U.S. Diagnostic Imaging Centers Industry”, Sept. 2025. The report is 85 pages long, with
$12 Billion U.S. Self-Improvement Market Shifts To Hybrid Model and More Virtual Services
August 14, 2025 Self-improvement Market Marketdata LLC, a leading independent market research publisher since 1979, has released the 15th edition of its best-selling report a
$2.4 Billion U.S. Meditation Market Still Growing
June 14, 2025 Marketdata LLC has just released a new report that analyzes the U.S. Meditation Market. This June 2025, 84-page report tracks the market
$4.4 Billion U.S. Autism treatment Market Is Still Growing
May 20, 2025 Marketdata LLC, a leading independent market research publisher since 1979, has released a new study, a 107-page report entitled: The U.S. Autism