• Call Us on +44-7875-603514 / +44-7576-699783 / +44 7962 961847 or
  • Email info@secluk.com


SECL has extensive experience in design and engineering both large and small scale projects, with multinational clients.

Professional Services

System Engineering Consulting Limited specialises in designing, engineering and Consulting Process Control System & Instrumentation, Telecommunication and Electrical within the Oil & Gas, Petrochemical, Power and Utilities sectors. SECL deliver quality services to our clients. Our team is built on multi-discipline SMEs, with several years’ experience in large and small projects working as an integrated team within our client organisations.


25 years experience in design, system integration, engineering and consulting support of process, process control & Instrumentation, Telecommunications and Electrical during FEED and EPC for Oil & Gas, Petrochemical, Power and Desalination Plant industries.

MAC Package

Main Automation Contractor (MAC) Evaluation and Selection

To manage your project SECL provides services which include both a selection criteria and guided workflow steps for choosing the optimum Main Automation Contractor.

The scope of the criteria covers the needs of clients in selection of a MAC for both brownfield and greenfield projects. The guide allows those involved in specifying a Main Automation Contractor to make faster, better, and more rigorous decisions.

MAC Package FEED Support

We provide support to our clients for development of Main Automation Contractor Package, this includes:

  • Project Specification (DCS, ESD/SIS, CCS, MPS, ALMS, DAHS)
  • Scope of work documents (Estimate I/O list, System Sizing, Power requirement).
  • Develop system philosophy depend on the Plant operation criticality.
  • Developed complete MAC bid package including agreement.
  • Preliminary Cost Estimation
  • Technical Review and report for commercial team.

Design & Engineering Services

We provide engineering and consulting services in Oil & Gas (upstream and downstream) and Petrochemical industries. We specialise in developing design specification, philosophies, review & validation Pre-FEED, FEED and EPC scope.

Our services includes following field activities:

  • Site installation Supervision
  • Pre-commissioning & commissioning
  • Plant Start-up support
  • Upgrades process control systems & field instruments
  • Plant Engineering (operating plant)
  • Commissioning and Operating HV(230kV GIS) & MV(34.5kV SWGR)
  • Commissioning and Operating Transformers (210MVA, 230/34.5/13.8kV and 33MVA, 34.5/13.8kV)

We also develop project guidelines and procedures for SPI, SPPID and IMD including database management.

MAC Package EPC Support

  • We provide project management consultancy during detail design to ensure the engineering design fully complies with company and international standard.
  • Participate in vendor reviews
  • Participate in Vendor facilities and equipment inspection
  • Witness Pre-FAT, FAT and IFAT

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As a Company

Our goal is to contribute to society through a broad range of activities in the oil and gas industry.


We aim to combine good citizenship with courage to innovate


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