Respondent and Respondent Firm practiced a Board-regulated profession without firm registration with the Board in violation of A.R.S. § 32-141 and A.R.S. § 32-121. Respondent, the firm principal having responsible charge for the services provided by Respondent Firm, engaged in the practice of home inspection without firm registration required by the Board in violation of A.R.S. § 32-128(C)(4) as it relates to A.A.C. R4-30-301(4).