Five awards were given out in total, including its biggest honour for ‘Service Obesssion’, which was shared between three employees.
Ajicja Kalamarz (CXR support office), Georgiana Pavel (Dartmouth House) and Aneata Kuchinska (support team) shared the accolade.
Chef of the Year went to Pawel Taras (The IET: Savoy Place) and Team of the Year was won by the team at the Financial Times.
Hanke Fischer (RADA bar and refectory) and Theresa Barry (Ashurst) won the Innovation Award and Leadership Award, respectively.
Nathan Jones, managing partner of Harbour & Jones, said: “The standard of achievement of the award winners was phenomenal and we congratulate them all.
“The judges had a really tough job deciding the final winners from a fantastic mix of entries, but we got there in the end and from the positive reactions in the room we made the right choices.
The awards, now in their fourth year, took place at the HAC, home to the Honourable Artillery Company.
Harbour & Jones is part of CH&CO Group after the two groups merged in June this year.