3173 is a UK firm of pensions experts with clients throughout the UK.

The Linen Loft,
Belfast, BT2 8FE

Roles are mostly

At home


In Office




On site


On site

On site

In factory




Apprentices Chart


employees in








Throughout my time and 3173 I have gained practical experience of the pensions world and I have had the opportunity to develop my skills (both personal and professional) further. Every day is a new challenge and you can be reassured that help is available from both your team and the wider company if you ever need it.  I have been made very welcome at 3173 and there are always opportunities to see different areas of the company and to push on a expand your career development.

Aisling Kerr
Pensions Admin Placement

A welcoming, supportive team where everyone genuinely wants you to reach your highest potential and where no questions are seen as unimportant. 

Catherine McGorrey
Pensions Management Graduate

I love the company culture. Everyone really cares about you as a person. They want you to succeed in your work but also to be happy with what you are doing!

Hannah Bailey
Pensions Management Graduate

I truly value the flexible and inclusive work environment. I felt valued from my first day and never been made to feel like I'm just a number.

Chloe Wightman
Pensions Admin Placement

A bit MORE about us...

Who we are

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. We provide simply smarter solutions for trustees, employers and pension plan members.

Mantle reimagines the traditional models of defined benefit pensions administration and actuarial valuation software.

What we do

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 look after our staff first and foremost, but for a commercial purpose, which is to deliver great service profitably. By focusing on our goal, we provide the best outcomes for pension scheme members, trustees, and employers.

Employee Benefits

3173 offers everything that you would expect of a modern, leading employer.

We are defined by our ethos and by our goal:

Our ethos is an individual and collective commitment achieved through carefully balancing responsibility with freedom and flexibility, all of which is underpinned by a willingness to work interdependently. When we get this balance right, it is how we do our best work.

We are committed to rewarding and valuing our people; one way we do this is by offering a competitive, flexible benefits package, which allows colleagues to select the benefits that best suit them.

  • excellent remuneration package and benefits

  • flexible working and annual leave policy

  • 10% matched pension contribution

  • full study package for trainees and training support for all

  • modern offices facilities with free fruit deliveries

  • continuous learning opportunities

  • real responsibility from day one

  • We have recently been confirmed as a Disability Confident Employer (Level 2).

We also offer the following core and flexible benefits:

Core Benefits

Flexible Benefits

Comprehensive private medical cover

Dental Insurance

Group Personal Pension Plan

Cycle to Work Scheme

Group Life Assurance

Car Scheme

Group Income Protection

Charity Payroll Giving


Annual Travel Loan


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