Abstract

This study critically evaluates the dynamics of corporate citizenship and community engagement within sub-national Nigeria, focusing on the institutional Corporate Social Responsibility (CSR) practices of Nigerian Breweries Plc (Ama Brewery, representing the manufacturing sector) and First Bank of Nigeria Plc (Enugu Urban branches, representing the financial services sector) in Enugu State. The research analyses how these distinct industries operationalise community-facing interventions, identifies the structural challenges limiting their developmental impacts, and offers strategic pathways for optimisation. Anchored on a robust theoretical foundation comprising Corporate Social Performance Theory, Shareholder Value Theory, Stakeholder Theory, and Corporate Citizenship Theory, the study adopts a cross-sectional survey research design that integrates quantitative and qualitative methodologies. A sample of 238 respondents was statistically drawn from an institutional population of 590 employees at Ama Brewery using the Yaro Yamane formula, supplemented by purposive qualitative interviews with key corporate compliance informants from First Bank. Primary data collection instruments consisted of highly structured questionnaires and semi-structured interview schedules, analysed using descriptive statistics and inferential nonparametric Chi-square ($\chi^2$) tests of independence at a $\alpha = 0.05$ significance level. The empirical findings reveal that 84.5% of the sampled workforce confirmed active institutional CSR execution, with localised employment generation emerging as the most dominant corporate citizenship mechanism (55.0%). From a regulatory and governance perspective, 73.6% of respondents advocated for the statutory legalisation of CSR frameworks in Nigeria, while 84.1% maintained that corporate organisations should maintain a continuous community engagement posture regardless of macroeconomic or profit volatility. Furthermore, corporate retained earnings reserves (75.0%) were identified as the most sustainable internal funding line for long-term localised interventions. Inferential Chi-square testing successfully rejected all four null hypotheses, statistically validating that institutional corporate citizenship can be successfully operationalised, should be legally standardised, manifests through multi-dimensional developmental pathways, and possesses clear internal funding lines. Ultimately, this study contributes fresh subnational empirical evidence to contemporary debates on institutional CSR in southeastern Nigeria, offering actionable insights for regulatory policymakers, industrial managers, and development researchers