The Abbey-Principality of San Luigi has entered into mutual agreements of partnership, accreditation and recognition with the Humanitarian Environmental Foundation, which is established as a nonprofit foundation in Las Vegas, Nevada, USA, under the presidency of Professor Pasquale Sorrentino. These agreements serve to further emphasise the commitment of the Abbey-Principality towards care for the environment.

Abbey-Principality of San Luigi

The Order of the Crown of Thorns

The Order of the Lion and the Black Cross

The Grand Prix Humanitaire de France et des Colonies

The Byzantine Order of Leo the Armenian

The Royal Order of the Imperial Crown of Byelorussia

The Order of the Golden Cross of Miensk

The Order of the Byzantine Cross

The Order of St Laurent

The Royal Order of Ivan the Infante

The Order of the Pedigree

The Order of Merit of Leszek II

The Royal Byelorussian Protectorate of the Orthodox Order of the Knights Hospitaller of St John of Jerusalem

The Royal Byelorussian Protectorate of the Military and Hospitaller Order of St Lazarus of Jerusalem

The Order of the Sacred Cup

Summary of recognition:

The Apostolic Episcopal Church

The Byelorussian Patriarchate of St Andrew the First-Called Apostle

The Order of Antioch

The Order of Corporate Reunion

The Order of Ave Maria

The Order of S Teresa – The Little Flower

The Order of the Holy Wisdom

The Prefectory of Great Britain of the Confraternitas Oecumenica Sancti Sepulcri Hierosolymitani

The Ecclesia Apostolica Divinorum Mysteriorum

The International College of Arms of the Noblesse

The Institute of Arts and Letters (London)

The Regency of Lomar

The Belarus Monarchist Association