Sigma can provide experienced personnel with proven records to manage all commercial and procurement functions of your project needs. Utilise the services of Sigma to enhance your management team or let Sigma take sole responsibility for the commercial and procurement aspects of your project. Sigma undertake projects in the following sectors:

  • Rail
  • Construction
  • Local Authorities
  • Civil Engineering
  • Local Builders


Services to Rail and Construction Industry Clients


Each director is very experienced of working in both sectors
and are supported by a team of surveyors. Sigma can be based
on site or at clients / contractor's offices and can provide full
QS services, as stand alone QS's or a parachute team to
manage all commercial functions of your business or project(s).









  • Preparation of budget estimates; construction estimates and cost plans
  • Preparation of tender documents, tender analysis and tender awards
  • Preparation of bills of quantities and other pricing documents
  • Preparation of cash flow forecasts
  • Preparation of sub contract tender documents; subcontract
    procurement and management
  • Design management
  • Preparation, submission and monitoring of valuations
  • Change Control management and costing
  • Cost Value Reconciliation reporting
  • On site measurement and valuation of works
  • Remeasurement and Production of take off's for account substantiation
  • Final Account preparation and settlement





Services to Procurement Clients


We are experienced in providing EU compliant procurement
services on behalf of Local Authorities and have extensive experience in the usage of the e-tendering tool 'Bravo'.


  • Formulating procurement strategies including advice on relevant forms of contract
  • Producing tender documentation including bills of quantities and schedules of rates
  • Managing the complete tender process either on or off line
  • Producing tender evaluation models and any subsequent recommendations for award

Services to Builders; Domestic Clients and small businesses


By utilising Sigma's experience gained within the Construction Industry and as part of natural development, Sigma have now extended their services base to include domestic clients,
smaller builders and small businesses. Sigma are keen to
promote the services that they can offer to this Client Sector,
and promote the benefits Sigma's services can make to the
delivery of a project.

Sigma can provide quantity surveying services for Domestic extensions and conversions; conversions of offices & industrial buildings and small build projects & self builds.






  • Cost Planning
  • Tender documentation preparation; submission of tenders and appraisal, negotiation and award
  • Production of Bills of Quantities / approximate quantities or schedule of works from plans and specifications
  • Preparation of contract documentation upon successful selection of suppliers
  • Drafting Standard Building Contracts
  • Construction budgets for your works
  • Tender pricing, evaluation and negotiation
  • Procurement and management of Sub-Contractors
  • Project Management of works on site
  • Preparation and checking of interim valuations for payments
  • Preparation of final accounts (measurements, negotiation, etc) and settlement to agree final amount to be paid for your project.
  • Assessment and agreement of post contract variations
  • Cost reporting during construction
  • Pre-agreed payment schedules for projects

"Using Sigma's resources provides you with the opportunity to adjust to fluctuations in workload, take on new projects and overcome resource issues immediatley."