Hukumar Kwastan ta Najeriya (NCS) hukuma ce ta gwamnati dake karkashin kulawar ma'aikatar tsaro ta Najeriya, wacce ke da alhakin bincike da kula da kayyakin shiga da fice a Najeriya, da Saukaka harkokin kasuwanci na kasa da na waje da kuma ayyukan, da kawo cigaba a bodocin kasa da kuma hana fasa-kwauri watau shigo da kayayyaki ta Hanyar da bai hallataba. NCS din yana shugabanta ne ta babban kwanturola janar, wanda ke lura da aikin mataimakan kwanturola janar shida a sassan da ke tafe: Sabis na Tallafawa Na Kamfanin; Darajar haraji & Kasuwanci; Aiwatarwa, Bincike, da Dubawa; Zamani, Bincike da Alakar Tattalin Arziki; Haraji, Industrialwarewar Masana'antu da Yankin Kasuwancin Kyauta; Haɓaka Resoan Adam. Kwamitin na NCS yana karkashin jagorancin ministan kudi, yayin da mataimakin shugaban kwamitin shi ne Col. Hameed Ali, babban kwanturolan hukumar ne wanda ba ma’aikacin Kwastam ba ne, amma Shugaba Muhammadu Buhari ne ya nada shi da nufin kawo sauyi da kuma sake fasalin hukumar.