Company Information

Find out all about Clayton Glass. Including information on our industry-famous, class-leading brands Ceslius & SMARTGLASS, our incredible people, our state-of-the-art sites and the company ethos underpinning it all – the Clayton difference.

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Managing Director, Ryan Green, has owned the business since 2005.

Welcome to Clayton Glass, the UK’s favourite business-to-business IGU supplier. Clayton Glass was initially founded in 1956 making it one of the older glass manufacturers existing in the industry today. Then in 2004, the business became privately owned and has gone from strength to strength ever since. Fast-forward to 2020, and we are now a much larger business, operating across four separate sites, delivering nationwide, with over 400 employees! Subsequently, we are now one of the UK’s largest glass manufacturers.


However, we don’t operate like any other IGU manufacturer. Specifically, while we are one of the UK’s largest, we have always prioritised our relationships with customers above all else, offering the care and support that often falls by the wayside when a company reaches a certain size. Hence, we refer to this as ‘the Clayton Difference’.  Precisely, the Clayton difference is, and always will be, the company ethos, the mantra that we live by. This is because we believe that the correct way to do business is through building strong relationships, by creating trust through honesty, and having a two-way loyalty gives the customer complete piece of mind that we take their business seriously. Let us help you succeed.


At Clayton Glass, we are a proud founding member of the National Glass Group (NGG). The NGG is categorically the largest glass buyer in the UK, representing the premier Independent Glass Processors. Furthermore, our members meet a tight membership criterion; they share the same ethics and ethos, hold all of the appropriate accreditations, are financially strong and crucially they are independent, and owner managed.
 

Welcome to Clayton Glass, the UK’s favourite business-to-business IGU supplier. Clayton Glass was initially founded in 1956 making it one of the older glass manufacturers existing in the industry today. Then in 2004, the business became privately owned and has gone from strength to strength ever since. Fast-forward to 2020, and we are now a much larger business, operating across four separate sites, delivering nationwide, with over 400 employees! Subsequently, we are now one of the UK’s largest glass manufacturers.


However, we don’t operate like any other IGU manufacturer. Specifically, while we are one of the UK’s largest, we have always prioritised our relationships with customers above all else, offering the care and support that often falls by the wayside when a company reaches a certain size. Hence, we refer to this as ‘the Clayton Difference’.  Precisely, the Clayton difference is, and always will be, the company ethos, the mantra that we live by. This is because we believe that the correct way to do business is through building strong relationships, by creating trust through honesty, and having a two-way loyalty gives the customer complete piece of mind that we take their business seriously. Let us help you succeed.


At Clayton Glass, we are a proud founding member of the National Glass Group (NGG). The NGG is categorically the largest glass buyer in the UK, representing the premier Independent Glass Processors. Furthermore, our members meet a tight membership criterion; they share the same ethics and ethos, hold all of the appropriate accreditations, are financially strong and crucially they are independent, and owner managed.
 
Managing Director, Ryan Green, has owned the business since 2005.
We’ve built a team of great people who are knowledgeable, helpful and genuinely care. We all want to be the best we possibly can. We’re a large-scale business now, one of the largest, but we still have that family-run, owner-managed mentality. “Customers have my mobile number, and can call me if needs be, it’s never turned off!
Ryan Green

Over the years, Clayton Glass have managed to accumulate an impressive trophy cabinet, through a number of business awards. First and foremost, we are the three-time winner, two-time runner up, and current holder of the IGU Manufacturer of the year award for 2019. Also most years, including the last three, we are named amongst 1000 companies to inspire Britain from the London Stock Exchange.

 

Above all, we are always focused on the future at Clayton Glass as we look to expand this trophy cabinet, through continuing to find ways to improve our products, services and processes. To this effect, we are the sole operator of the new glass order tracking software ‘glassTRACK’ – helping you schedule around your glass deliveries in real-time. Furthermore, we cannot talk about the future without mentioning our two flagship, class-leading conservatory roof glass products – SMARTGLASS & Celsius Glass.

 

Clayton Clinics is also a new addition to our digital services, where you can book an online session with a staff member of your choice, for information, advice, support or feedback. Not only this, we can guarantee your very own clinic within 48 hours after your booking!

 

Finally, a special mention to the year 2019. 2019 was the biggest year in Clayton Glass history. We have expanded our efforts, stuck to our principles and it all led to a highly successful year. We have continued our partnerships with local colleges and organisations, doing our bit to train the fenestration workers of the future. In July, we expanded our glass manufacturing facility – it is now the largest of its type anywhere in the UK, and in October we purchased two new glass factories in Huthwaite and Blackburn, significantly shortening lead times for our customers in the South.

 

Commercial Director, Jason McCabe, has over 20 years IGU Manufacturing and Sales Experience.

Over the years, Clayton Glass have managed to accumulate an impressive trophy cabinet, through a number of business awards. First and foremost, we are the three-time winner, two-time runner up, and current holder of the IGU Manufacturer of the year award for 2019. Also most years, including the last three, we are named amongst 1000 companies to inspire Britain from the London Stock Exchange.

 

Above all, we are always focused on the future at Clayton Glass as we look to expand this trophy cabinet, through continuing to find ways to improve our products, services and processes. To this effect, we are the sole operator of the new glass order tracking software ‘glassTRACK’ – helping you schedule around your glass deliveries in real-time. Furthermore, we cannot talk about the future without mentioning our two flagship, class-leading conservatory roof glass products – SMARTGLASS & Celsius Glass.

 

Clayton Clinics is also a new addition to our digital services, where you can book an online session with a staff member of your choice, for information, advice, support or feedback. Not only this, we can guarantee your very own clinic within 48 hours after your booking!

 

Finally, a special mention to the year 2019. 2019 was the biggest year in Clayton Glass history. We have expanded our efforts, stuck to our principles and it all led to a highly successful year. We have continued our partnerships with local colleges and organisations, doing our bit to train the fenestration workers of the future. In July, we expanded our glass manufacturing facility – it is now the largest of its type anywhere in the UK, and in October we purchased two new glass factories in Huthwaite and Blackburn, significantly shortening lead times for our customers in the South.

 

Commercial Director, Jason McCabe, has over 20 years IGU Manufacturing and Sales Experience.

Over the years, Clayton Glass have managed to accumulate an impressive trophy cabinet, through a number of business awards. First and foremost, we are the three-time winner, two-time runner up, and current holder of the IGU Manufacturer of the year award for 2019. Also most years, including the last three, we are named amongst 1000 companies to inspire Britain from the London Stock Exchange.

 

Above all, we are always focused on the future at Clayton Glass as we look to expand this trophy cabinet, through continuing to find ways to improve our products, services and processes. To this effect, we are the sole operator of the new glass order tracking software ‘glassTRACK’ – helping you schedule around your glass deliveries in real-time. Furthermore, we cannot talk about the future without mentioning our two flagship, class-leading conservatory roof glass products – SMARTGLASS & Celsius Glass.

 

Clayton Clinics is also a new addition to our digital services, where you can book an online session with a staff member of your choice, for information, advice, support or feedback. Not only this, we can guarantee your very own clinic within 48 hours after your booking!

 

Finally, a special mention to the year 2019. 2019 was the biggest year in Clayton Glass history. We have expanded our efforts, stuck to our principles and it all led to a highly successful year. We have continued our partnerships with local colleges and organisations, doing our bit to train the fenestration workers of the future. In July, we expanded our glass manufacturing facility – it is now the largest of its type anywhere in the UK, and in October we purchased two new glass factories in Huthwaite and Blackburn, significantly shortening lead times for our customers in the South.

 

Commercial Director, Jason McCabe, has over 20 years IGU Manufacturing and Sales Experience.
The Clayton Difference is a set of values that separate us from our competitors. We are a large business now, but we still apply all the care you'd expect from a small company. Our incredible site, our passionate people, our cutting edge products, our own unique brand of management and our flexible can-do approach. That’s the Clayton difference.
Jason MCcabe

Clayton Glass

In Numbers

1
Tonnes of Glass

Processed at our manufacturing headquarters in 2019

1 %
On time in full

Across all orders in 2019

1
Deliveries

To places all over the UK in 2019 

1
Years

Of glass industry experience in our management & sales teams

1
Employees

Across four state-of-the-art sites

0
Shared Ethos

The Clayton Difference

Find Out More

Company Ethos: The Clayton Difference. The firepower of one of the UK’s largest insulated glass unit manufacturers combined with the care, focus and attention to help your business flourish. Find out about The Clayton Difference.

Find out more about Clayton Glass’ incredible workforce, and find the best person to help you with your query, all of our staff are happy to help and assist you where they can! This page contains both staff biographies and contact details.

Explore the Clayton Glass trophy cabinet, containing some of the most prestigious awards in the industry. We are the current holders of the IGU manufacturer of the year title, as voted for by our customers, with firm aspirations to retain this title into the future. 

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