This study aimed to find the relationship between employee work professionalism with the public services. This research was conducted at Tax Office Pratama Jakarta PasarRebo, located on Jl. Raya Bogor No. 46, Kelurahan Rambutan, Ciracas District, East Jakarta. This study took as sample from 48 employees of the Tax Office Pratama Jakarta Pasar Rebo. The sampling technique used was simple random sampling technique with random term. This research used associative quantitative approach, with survey method with correlation technique. After the data passed on normality test and linearity test, the linear regression calculation counted.
The value of linear regression calculation of professionalism to public service was obtained Fobserved = 1.30 < Ftable = 1.99. Furthermore, the Pearson product moment correlation used to know the relationship between the two variables. it obtained 0.693 then continued t counting test with the level of significance obtained calculation 0.05 = 1.677. It turns out tobserved > ttable or 6,527>1,677, then Ho rejected, it means there was a significant relationship between professionalism with public service. So the determinant coefficient of 48.02%. This means that 48.02% of professionalism contributesd to public services, while 51.98% is determined by other variables or other factors not investigated. Thus in this study concluded there was a relationship between employee work professionalism with the public services of the employee of the Tax Office Pratama Jakarta Pasar Rebo.