He contributed to the development of his native Yozgat, expanding the family's mosque and building over 60 shops.
[4] His smart and cautious approach with the Sublime Porte solidified his sway in Bozok and extended the influence of the family to Ankara, Aleppo, Çankırı, Çorum, Amasya, Şarkikarahisar, Sivas, Kayseri, Kırşehir, Nevşehir, Konya Ereğli, Niğde, Tarsus, Adana, Rakka, Gaziantep, and Maraş.
He maintained his dominance and in 1794 ensured that the Fertile and Bozkır mines were given to him and his close associates of Tarsus and Andana sanjaks.
However, he sent soldiers to help in the Pazvandoğlu revolt in Rumelia and the French campaign in Egypt and Syria, while suppressing uprisings in and around his region.
[3] Süleyman Bey held political, military, and economic power in the Anatolia and influence in the empire.
Süleyman Bey also expanded the family's Çapanoğlu Mosque in his native Yozgat, and built a school, a Turkish bath and his famous mansion, significantly contributing to the development of the city with about sixty shops and a Turkish bath.