About Us

3173 is a privately owned UK firm of pensions experts with clients throughout the UK, serviced from offices in London, Belfast, Glasgow, Manchester, Birmingham, Bristol and Leeds.

The 3173 Group of companies includes Dalriada Trustees Limited (Dalriada) one of the UK’s largest professional pension scheme trustee companies. Spence & Partners provides full pension actuarial, consulting, investment consulting and administration services that provide simply smarter solutions for trustees, employers and members and Mantle, which reimagines the traditional models of defined benefit pensions administration and actuarial valuation software.

Our primary aim is to provide interesting, worthwhile and healthy careers for all our people; we believe that this emphasis sets us apart from our competitors.

We are defined by our ethos and by our goal:

Our ethos is an individual and collective commitment achieved through carefully balancing respons...