Building & landscaping services from SJS Services (UK) Ltd in Northampton, Northamptonshire. If you are looking for a local, reliable and professional building and landscaping company for commercial or residential projects, get in touch with us today and speak to one of our team. We are always on hand to take your call to discuss your requirements and to arrange a site visit and quotation. SJS Services (UK) Ltd have been in the landscaping and building industry for the last 17 years.