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Business Details
32 Years
experience
Bespoke Joinery & Interior Fit-Out Services Glasgow
Established in 1994, G M Joinery has grown into one of the UK's leading independent joinery manufacturing and interior fit-out businesses. Our expertise spans two generations, combining traditional craftsmanship with cutting-edge technology to deliver bespoke solutions tailored to client needs. We hold professional accreditations including ISO 9001 and Safe Contractor, ensuring every project meets rigorous quality standards. With a skilled team of wood machinists, CNC operators, and French polishers, we self-deliver projects from design to installation. Our investment in CAD technology and modern manufacturing techniques guarantees precision and efficiency.

Based in Glasgow, we serve clients across Scotland and the wider UK, maintaining a reputation for excellence built over three decades. Our commitment to quality is reflected in our portfolio of high-profile projects for renowned clients. We prioritise transparent communication, offering expert advice from initial concept to final execution. Continuous training and equipment upgrades ensure we remain competitive without compromising craftsmanship. This ethos, established by founder Garry Mullen and continued by Director Darren Mullen, underpins our enduring success.
Services
Bespoke Joinery Interior Fit-Out Contract Joinery Shopfitting CNC Machining
Details
  • Year established: 1994
Highlights and features
  • We offer 30 years' experience in bespoke joinery manufacturing
  • Our team includes certified wood machinists and CNC operators
  • We maintain ISO 9001 quality management standards
  • We use CAD design and advanced manufacturing technology
  • We serve clients nationwide from our Glasgow base
Associations and certifications
  • ISO 9001
  • Safe Contractor
  • The Federation of Small Businesses
  • CITB
What people say
Exceptional quality Professional team Creative solutions Timely delivery Expert advice
Services
Bespoke Joinery Manufacturing
We transform unique design concepts into precision-crafted woodwork solutions. Our skilled craftsmen utilise traditional techniques alongside modern CNC technology to create made-to-measure items. From intricate architectural features to functional commercial fittings, each piece receives meticulous attention to detail in our purpose-equipped workshop.
Interior Fit-Out & Contract Joinery
Our full-service approach delivers complete interior transformations from concept to completion. Expert tradespeople handle all aspects including dry lining, suspended ceilings and hygienic wall cladding. We specialise in shopfitting projects and contract joinery installations across Scotland and the UK, maintaining exacting standards throughout the process.
People
Darren Mullen
Director
Third-generation joiner with 20+ years industry experience. Oversees operations and client relations, maintaining family commitment to quality. Holds CITB certifications and leads technical innovation initiatives.
Donna Mullen
Director
Key figure in business strategy and client management. Brings commercial expertise to complement technical operations. Manages financial and administrative functions with focus on service excellence.
Questions
What types of joinery projects do you specialise in?
We handle commercial bespoke joinery projects including shopfitting, office interiors, and hospitality spaces. Our expertise covers both manufacturing and full installation services.
Are you accredited for quality standards?
Yes, we hold ISO 9001 certification for quality management systems and Safe Contractor accreditation for health and safety compliance.
Do you work outside Glasgow?
We operate nationwide across Scotland and England, with regular projects in major cities including Edinburgh, Manchester and London.
What manufacturing technology do you use?
Our workshop features CNC machining centres, timber moulders and hot lamination presses alongside traditional woodworking tools for comprehensive capabilities.
Reviews (1)
Garry Lockhart
Aug 22, 2017 Report
Excellent workmanship no matter how big or small the job is. Would recommend GM Joinery 100% for all kinds of joinery work.