Public institutions in Nigeria, including universities, had long faced persistent challenges related to staff welfare, such as poor working conditions, inadequate remuneration, and limited career advancement opportunities. These issues had led to frequent industrial actions and strained relationships between university management and staff unions. This study investigated the impact of trade unionism on staff welfare in Nigerian public institutions, with a particular focus on Akwa Ibom State University (AKSU). The study addressed three main objectives: examining the effect of trade union activities on working conditions and benefits at AKSU, assessing the relationship between lobbying efforts and staff welfare, and evaluating the impact of strikes on staff welfare at the university. The findings revealed that trade union activities significantly impacted the working conditions and benefits of employees at AKSU. Unionized staff reported better access to resources, improved remuneration, and more favorable working environments compared to their non-unionized counterparts. The study also found a positive relationship between lobbying and staff welfare in AKSU, as effective lobbying efforts by trade unions contributed to the implementation of policies and programs that enhanced staff welfare, such as salary reviews and career development opportunities. The study concluded that trade unionism played a vital role in shaping staff welfare in Nigerian public institutions, as exemplified by the case of Akwa Ibom State University (AKSU). The findings highlighted the importance of constructive engagement between university management and trade unions to address staff welfare concerns and foster a conducive work environment. The study recommended that the university management and the state government establish regular dialogue and collaborative platforms with trade unions to address staff welfare issues proactively. AKSU should also develop comprehensive staff welfare programs that address the diverse needs of its academic and non-academic staff and strengthen its internal dispute resolution mechanisms to minimize the frequency and impact of strikes.