MKM Building Supplies in the UK: The Rise of a Builders' Merchant Powerhouse

In the bustling world of construction and DIY, builders’ merchants are the unsung heroes. They quietly power the projects that shape our towns and cities—providing materials, advice, and solutions to everyone from major contractors to weekend hobbyists. One name that consistently stands out in the UK is MKM Building Supplies. From humble beginnings to becoming the UK's largest independent builder's merchant, MKM’s journey is a story of vision, commitment, and customer-first values.

The Birth of MKM Building Supplies

Founded in 1995 in Hull, East Yorkshire, MKM Building Supplies was the brainchild of David Kilburn, a veteran of the building supplies industry. His idea was simple but powerful: create a different kind of merchant—one that genuinely puts customer service first.

While other chains were growing increasingly corporate and impersonal, Kilburn wanted MKM to feel local, approachable, and service-driven. From day one, MKM’s model was built around local branch ownership, meaning each branch manager has a vested interest in their store’s success. This ownership approach created a culture of accountability and pride in customer service.

Rapid Growth and National Reach

What started as a single branch in Hull quickly became a national success story. As of 2025, MKM operates over 110 branches across the UK, with more opening each year. Unlike other chains, MKM’s expansion hasn’t felt like an aggressive corporate sprawl. Instead, it has grown through carefully selected locations and localised leadership, ensuring each branch meets the unique needs of its community.

From Scotland to Cornwall, MKM has become a trusted name. Whether it's a tradesperson picking up supplies for a job or a homeowner seeking advice on a garden renovation, MKM is often the first stop.

What Sets MKM Apart?

1. Independent Spirit with National Strength

Although MKM is a national brand, it remains independently owned, which is increasingly rare in the UK building supplies market. This independence allows MKM to be agile and responsive—adapting quickly to customer needs and market changes.

At the same time, its national reach gives it purchasing power, meaning customers enjoy competitive prices on quality materials.

2. Multi-Product Offerings

MKM offers a vast range of products under one roof, catering to both professionals and DIYers. Their catalogue includes:

  • Timber and sheet materials

  • Bricks and blocks

  • Roofing products

  • Plumbing and heating

  • Kitchens and bathrooms

  • Landscaping and outdoor living

  • Tools, fixings, and adhesives

  • Paint and decorating supplies

This “one-stop-shop” model saves customers time and ensures consistency in quality and service.

3. Focus on Customer Service

At MKM, service isn’t just a department—it’s a culture. Each branch is run by an experienced manager who understands the local market. Staff are trained not just to sell but to offer real advice and build relationships.

Whether you’re a seasoned builder or someone buying your first tin of paint, MKM makes you feel welcome.

4. Showrooms That Inspire

Many MKM branches include stunning kitchen and bathroom showrooms designed to spark ideas and help customers visualise their dream projects. These aren’t just display rooms—they’re consultation hubs where customers can work with in-house designers to plan every detail.

This level of personalised service elevates MKM above the usual merchant experience.

Supporting the Trade

Tradespeople are the backbone of the construction industry, and MKM has always gone out of its way to support them. The company offers trade accounts with flexible credit options, early opening hours, and on-site delivery services.

Many MKM branches also host “trade mornings”, where suppliers visit to demonstrate new products, share tips, and offer exclusive discounts. It’s a great way for local builders to stay ahead of the curve and network with others in the field.

Investing in Communities

While MKM is about bricks and timber, it’s also deeply committed to people and communities. The company actively supports local charities, sports teams, and events in the areas it serves.

For instance, MKM has long sponsored Hull FC, the city’s rugby league team, and supports youth sports programmes across the UK. It’s not just about money—it’s about making a difference.

The company also champions environmental responsibility, investing in greener products, efficient logistics, and sustainability initiatives. In an industry known for its carbon footprint, this forward-thinking approach sets MKM apart.

Adapting to a Changing Industry

The construction industry is evolving fast. From digital tools to eco-friendly materials, the landscape is shifting. MKM has embraced this change head-on.

Digital Transformation

MKM now offers a user-friendly eCommerce platform, allowing customers to browse products, check stock levels, and place orders online. Whether you’re ordering bulk cement for a project or a tap for your bathroom, you can do it from your phone or laptop.

Many branches also offer click-and-collect, live chat support, and mobile invoicing, making the process smoother for busy customers.

Focus on Sustainability

More and more builders are asking for eco-friendly options. MKM is responding by:

  • Expanding their range of sustainable timber

  • Offering low-emission heating solutions

  • Stocking recycled and recyclable materials

  • Working with suppliers who prioritise environmental responsibility

They’re also making their branches more energy efficient, with solar panels, LED lighting, and better waste management.

Testimonials: What Customers Say

One of MKM’s greatest strengths is the loyalty of its customers. Here’s what some of them say:

“I’ve been using MKM for over a decade. The team knows me by name, they know my business, and they always go the extra mile.” – Paul, builder in Leeds.

“I walked in knowing nothing about bathrooms. An hour later I had a full design, a quote, and a clear idea of what I wanted. Amazing service!” – Sheila, homeowner in Sheffield.

“MKM is different from other merchants. They genuinely care about getting things right, and that makes all the difference.” – Rob, plumber in Bristol.

The People Behind MKM

No company grows like MKM without a strong internal culture. From head office to local branches, MKM prioritises employee wellbeing, career development, and diversity.

Many of their branch managers have been with the company for 10–15 years, and numerous staff have progressed from junior roles to leadership positions. This speaks volumes about MKM’s commitment to its people.

The company has also been recognised as a top employer, with awards for its workplace culture and training programmes.

The Future of MKM

Looking ahead, MKM isn’t slowing down. The company has ambitious plans to:

  • Expand to 150+ branches in the coming years

  • Invest further in digital innovation

  • Lead the industry in green building materials

  • Continue offering incredible service and local expertise

Despite its size, MKM remains true to the vision of its founder: a company that cares, listens, and delivers.

In an industry often dominated by massive corporate chains, MKM Building Supplies is a refreshing exception. It combines the power of a national brand with the heart of a local business. It’s no wonder that builders, tradespeople, and homeowners across the UK trust MKM to help them build not just projects, but lasting relationships.

Whether you’re renovating your kitchen, building a new home, or managing a commercial site, MKM has your back—with top-quality materials, real advice, and genuine service.


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