S3i Group | Where everything is better

Established in 2000, S3i Group (S3i Ltd) started from humble beginnings, quickly growing to be one of the UKs largest and respected suppliers of stainless steel wire ropes, trellis systems, balustrade, marine fittings, commercial, garden, stainless steel fittings and hardware.

Our extensive product range is used in a variety of markets including: Construction, Commercial, Architectural, Landscaping, Marine, Garden, Offshore, Lifting, Home and DIY.

As S3i group has grown we have utilised the ability and technical expertise of our team to expand our product ranges, with full knowledge that we will always offer the best customer advice and care possible.

S3i Group Ltd

Our customers love us...

Trustpilot Score

Our mission...

Quality - Knowledge - Trust - Integrity

We pride ourselves on offering the best quality products and best service to all our customers and very much believe in this comment;

"There is hardly anything in the world that some man cannot make a little worse and sell a little cheaper" - John Ruskin.

We are very happy to deal with all customers with the same level of good old fashioned service, please don't assume that we are a trade only business.



What we do...

design...

Design by S3i Group

Our enthusiastic team are happy to assist with helping your project come alive, offering technical advice, drawings for balustrade, wire rope rigging assemblies, tie bars systems and much more...

manufacture...

Manufacture by S3i Group

The S3i in-house balustrade and rigging team have accumulated years of experience and knowledge, providing the highest level of care and attention to detail.

install...

We are more than happy to arrange installations, all S3i onsite installers hold the industry standard CSCS Site Card.

Find us...

We are based in Harworth, Nottinghamshire. (approximately 10 miles south of Doncaster).

Our office and showroom is conveniently located within 3 minutes of the A1 Junction at Blyth Services.

Address: S3i Group, 1 Faraday Close, Snape Lane, Harworth, DN11 8RU

Showroom

Our showroom offers a great chance to see the quality of our wire trellis, handrails and balustrade systems up close.

Showroom is open 9.00am to 5.00pm Monday to Friday.

Please call or email us in advance to book some time in with one of our friendly technical team.

More than just a supplier...

We take great pride in the projects we have been involved with, our highly skilled rigging, technical and engineering experts have advised, manufactured and installed on a incredible array of project collaborations over the years. Including sculpture and art displays, RHS show gardens, balustrades, architectural and bridges.

Here at S3i Group we have a solutions based, "yes" attitude to all our projects

Blue Whale - Natural History Museum
Glass Balustrade
Take a look at some of our projects

Quality...

Here at S3i Group we aim to continually improve the products and services we provide to meet our client's requirements and to produce finished work that we can justifiably be proud of. read more...

Many of our products are engineered and manufactured here in the UK. Where you see this logo on our product pages you can be assured of a total UK heritage. read more...

S3i Group has achieved the internationally recognised ISO 9001, establishing us as one of the leaders in our field. read more...

S3i Group are pleased to be part of The British Stainless Steel Association, promoting the use of stainless steel across the UK. read more...