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John Sisson Contracting specialises in the fabrication of all types of steel framed buildings including clear span portal framed buildings.We do not supply buildings manufactured by other companies.

We fabricate all structural steelwork at our facility near Carlisle in Cumbria. John Sisson Contracting construction department will erect your building complete with groundworks and foundations if required.

What We Do

What We Do

John Sisson Contracting was founded in April 2002 by John Sisson.

We build on our good relationships with our customers, many of whom are repeat buyers of our steel-framed buildings.

John Sisson Contracting is committed to environmentally responsible methods to secure a more sustainable future.

The name of John Sisson Contracting has been synonymous with the design and construction of quality steel framed buildings for over 14 years. We provide a comprehensive service from concept to completion, thus relieving our clients of the responsibility of coordinating the various trades associated with building and refurbishment projects and the day to day running of the contract.

This one-point-of-contact approach enables us to develop a close working relationship with our clients to establish a trust where quality and value are paramount. A skilled and balanced labour force, backed by an experienced contracts team and, where necessary, by a team of highly specialised sub-contractors, enables John Sisson Contracting to handle contracts of varying size and complexity.

Full technical support is provided and regular site visits ensure the quality and smooth running of the contracts.

All our buildings are designed and detailed using the latest computer software with AutoCAD.


We make strong, durable steel-framed buildings and structural steelwork for any purpose. From agricultural farm sheds to industrial units,we can pre-fabricate buildings in our (9,000sq ft) factory near Carlisle Cumbria.Our in-house structural, technical and drawing department will design your buildings to fit your exact needs, handle planning applications, produce structural calculations for building control authorities, and create elevation and manufacturing drawings.

The Industrial and Agricultural portal frame structural steelwork is detailed and manufactured at our workshop near Carlisle. All buildings are supplied complete with any type of roofing or cladding material. These can be single skin plastic or polyester coated steel sheets, profile 6 fibre cement sheets or composite panel sheets. Insulation can be double skin sandwich construction or insulation combined with the outer sheet as in a composite panel. Walls can be brick, block, shuttered or pre-cast concrete panels.  Doors can be supplied as firedoors, roller shutters, personnel doors,sliding doors or any other type of door.