Design with purpose.
Build with precision.
Transform with Style.
quality
on time
on budget
let us take the weight off…
the standards we pursue
- Fully developed in house designs
- Cost controlled estimates through to final account
- Detail orientated design to completion
- Fully insured and building regulation compliant
Who we are
Commercial fit out specialists since 1992
Part of the Philbin Office Group — established in 1966 — Design Business Interiors has been transforming commercial spaces for over 30 years. We have completed more than 150 large-scale fit out projects for clients including JD Gyms, NRG Gyms, Lifestyle Fitness and Simply Gym.
Whether you are fitting out a new office in Manchester, refurbishing a commercial gym in Glasgow, or rolling out a multi-site programme across the UK, we have the experience, the team and the buying power to deliver on time and on budget.
Every project is designed, managed and built by our own team — giving you a single point of accountability from first sketch to final handover.
What we do
Two specialist disciplines. One team. Complete turnkey delivery from design through to handover.
Office fit out & interior design
We design and build commercial office spaces that work — from open-plan Cat B fit outs to full turnkey Cat A refurbishments. Our in-house designers create environments that reflect your brand, support your team and make the most of your space.
- Cat A and Cat B office fit out across the Northwest and UK
- Full design, project management and build under one roof
- Office refurbishments in Manchester, Liverpool, Wigan, Preston and beyond
- Agile and collaborative workspace design
- Fully insured, SMSTS and CSCS compliant
Gym fit out & leisure design
From budget gyms to premium health clubs, we are one of the UK's most experienced gym fit out contractors. We have designed and built over 150 gym and leisure projects nationwide — working with some of the biggest names in the fitness industry.
- Gym fit outs for independent operators and national chains
- Specialist flooring, lighting design and equipment coordination
- Changing rooms, reception areas and member lounges
- Full Cat B turnkey delivery — sign the lease, open the doors
- Multi-site rollout programmes from a single point of contact
Where we work
Delivering fit outs across the UK
Our base is Wigan, in the heart of the Northwest — putting us within easy reach of Manchester, Liverpool, Preston, Leeds and Sheffield. But our projects take us further afield.
We have delivered gym and office fit outs in London, Glasgow, Newcastle, Bristol, Birmingham, Guildford, Watford and beyond. If you have a project anywhere in the UK, we want to hear about it.
Why clients choose us
Design Business Interiors — the difference
Every project on time
We have never missed a handover date. Time is money — and we treat your programme with the same urgency as our own.
In-house design team
No outsourced drawings. No delays waiting on third parties. Design, specification and construction managed under one roof.
60 years of buying power
Part of the Philbin Office Group since 1966. Unrivalled relationships with manufacturers mean competitive pricing without compromising quality.
Full turnkey capability
Cat A and Cat B. From empty shell to fully operational space. Sign the lease — then just open the doors.
Proven at national scale
Trusted by JD Gyms, NRG Gyms, Lifestyle Fitness and Simply Gym for multi-site rollout programmes across the UK.
Fully compliant
Fully insured. SMSTS and CSCS compliant. Building regulation compliant on every project, every time.