This study evaluated the effect of Human Resource Accounting on profitability: A study of selected firm’s quoted on the Nigerian stock exchange. The study adopted ex-post facto research design. The population of the study was 116 firms categorized as non-financial services sector. Purposive sampling technique was used and 76 firms were considered which had secondary data information that covered a period of 10years from 2010-2020. The regression analysis/hypothesis testing was done with the aid of linear structural relations LISREL 8.80 student edition. Data were sourced from annual reports and accounts and Nigerian stock exchange fact book 2020. Findings using profitability measure showed that Staff Training and Development cost has a significant positive effect on EBTIDA but no significant positive effect on ROCE of quoted non–financial service firms. . Increment in number of staff has no significant positive effect on EBTIDA but has a positive significant effect on ROCE of quoted non–financial service firms. The study concluded that Human Resource Accounting affects corporate performance of non-financial service firms quoted on the Nigerian Stock Exchange. It is therefore recommended among others, that staff training and development has to be a regular program both on-the-job and off-the job tailored towards filling the identified skills and attitude gaps in the company. Also Increment in the number of staff should be encouraged as this will attract more positive effect on ROCE.