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Construction industry is a vital sector for national and economic development of any country. Past studies reveal that the Nigerian construction industry is suffering from buildability problems. Buildability improvement is the duty of every key stakeholder, including designers, builders and clients. This study sets out to determine the principal roles of clients in buildability improvement in Nigerian construction projects.

A questionnaire survey was adopted to evaluate construction industry professionals’ views on the roles of clients in buildability improvement in Nigeria. Eighty-one questionnaires were sufficiently filled and returned, representing a return percentage of 76% which formed the basis of this study. Data elicited were analysed using descriptive and inferential statistics.

The results from factors analysis show that the roles of clients in buildability improvement can be categorised into two constructs: commitment to buildability assessment and other related practices, and adequate planning of project objectives.

This study contributed to more effective buildability studies by highlighting the roles of clients in buildability improvement in the construction industry. An understanding of these roles is very significant for minimising buildability problems as well as for improving and embedding buildability as a practice in the construction industry.

This paper aims to appraise a decade (2004-2013) of annual financial statements of 58 locally owned construction firms’ (LOCOFs’) financial statements on turnover, fixed assets, gross profit and after-tax profit to assess their financial performance in the Nigerian construction industry. It serves as a check on firms’ financial performance, analysis and benchmarking of LOCOFs’ financial statement values to assess firms’ financial health and psychosocial environment.

A purposively sampled frame of 580 LOCOFs’ financial values (turnover, fixed asset and gross profit) from 212 turnover, 207 fixed assets, 184 gross profit and 217 after-tax profit data points was obtained. Firms’ capacities were obtained by categorisation, industrial average median was obtained and a regression analysis was used to describe the relationship and test of significance of the variables. A review of the possible effect of the research findings on LOCOFs’ psychosocial environment was undertaken.

Most LOCOFs were categorised as micro scale construction contracting business enterprises. LOCOFs’ financial performance was less than the performance of similar construction firm types and profits were not necessarily influenced by the cost of its investments on fixed asset but rather on firms’ turnover.

A limitation of this study is the paucity of financial data because of poor information access and storage.

The paper recommends more funding of infrastructural developmental projects and better patronage of LOCOFs which will positively influence firms’ turnover, profit and the psychosocial well-being of organisation and personnel.

This paper fulfils an identified need to periodically assess LOCOFs’ financial values so as to appraise financial performance and its possible effect on firms’ psychosocial environment.