Neilsoft delivers integrated plant engineering services for EPC contractors, technology providers, OEMs, engineering consultants, and industrial developers improving efficiency, accelerate project delivery, and support long-term operational performance for both Brownfield and Greenfield projects
Our Multidisciplinary Services
Process Engineering
Comprehensive process engineering support across the project lifecycle, from extended basic engineering to detailed design
Key Services Include:
- Design Basis
- Utility Summary Development
- Preparation and Updating of Piping & Instrumentation Diagrams (P&IDs)
- Process and Utility Line Sizing Calculations
- Process data sheets
- Pressure Safety Valve (PSV) Sizing
- Equipment List Preparation
- Process Control Philosophy Development
- Line List Generation
- Technical Specifications for Utility Packages
- Participation in HAZOP and Process Safety Reviews
- Vendor Document and Drawing Review
- As-Built Documentation and Engineering Updates
Piping Engineering Services
End-to-end detailed design services for efficient and constructible plant layouts. We help ensure piping systems meet operational, maintenance, and regulatory requirements.
Key Services Include:
- Design Basis
- 3D Modelling
- Plot Plan Development and Optimization
- Equipment Layouts with Elevations
- Piping & Valve Material Specifications
- Equipment Nozzle Orientation Studies
- Piping General Arrangement (GA) Drawings
- Piping Isometric Drawings
- Bill of Quantities (BOQ) Preparation for Pipes, Fittings, and Valves
- Painting & Insulation BOQ Development
- Pipe Support Engineering and BOQ Preparation
- Piping Stress Analysis and Flexibility Studies
- Tender and Bid Documentation Support
- As-Built Drawing Preparation and Documentation Updates
Instrumentation & Control (I&C) Engineering
Industrial automation and process control system engineering support, client design reliable, and efficient control systems that enhance plant performance and operational visibility.
Key Services Include:
- Instrumentation Design Basis, Instrument Index, and I/O List Development
- Control System Specifications for DCS, PLC, SCADA, and Related Systems
- Instrument Datasheet Preparation and Technical Documentation
- 3D Modelling of Instrumentation Systems and Equipment
- Cable Tray Routing and Junction Box (JB) Layouts
- Control Room Layout Development
- Loop Diagrams, Logic Diagrams, Instrument Hook-Ups, and Air Tubing Layouts
- Instrumentation Bill of Quantities (BOQs)
- Technical Bid Evaluation and Vendor Drawing Review
- Tender Documentation
- As-Built Documentation
Electrical Engineering
Detailed engineering services for power distribution systems, electrical infrastructure for industrial facilities.
Key Services Include:
- Electrical Design Basis, Load List Development, and Single Line Diagrams (SLDs)
- Power System Studies including Load Flow, Short Circuit, Harmonic Analysis, Arc Flash, and Protection Coordination
- Earthing, Lightning Protection, and Small Power System Design
- Cable Sizing, Routing, and Schedule Preparation
- Transformer Sizing and Electrical Equipment Selection
- Specifications and Datasheet Preparation for Electrical Items
- 3D Modelling of Electrical Systems and Infrastructure
- Cable Tray Routing and Layout Design
- Substation, Switchgear, MCC, ECR, and Electrical Room Layout Development
- Electrical Material Bill of Quantities (BOQs)
- Technical Bid Evaluation, Vendor Drawing Review
- Tender Documentation
- As-Built Documentation
Mechanical Engineering
Mechanical engineering for process plants and industrial projects, supporting detailed engineering services for equipment that meets operational, safety, and performance requirements.
Key Services Include:
- Mechanical Design Basis
- Design & Drawings of Static Equipment
- Datasheet Preparation for Rotary Equipment
- Technical Specifications for Package Items
- Technical Documentation Review
Civil & Structural Engineering
Civil and structural engineering support for industrial facilities helping clients develop efficient, code-compliant, and constructible solutions
Key Services Include:
- Civil & Structural Design Basis
- RCC and Structural Steel Design Detailing
- Foundation and Equipment Support Design
- Pipe Rack, Industrial Structure, and Structural Steel Modelling
- Fabrication Drawings, Rebar Detailing, and Construction Documentation
- Site Development, Layout Planning, and Grading Design
- Roadways, Drainage Networks, and Underground Utility Layouts
- Stormwater Management and Surface Water Drainage Design
- Structural General Arrangement (GA) Drawings and Engineering Reports
- Coordinated Civil & Structural Modelling
- Vendor Drawing Review and Design Coordination
Service Areas
BIM for Plants:

Land Development Services
Successful industrial and infrastructure projects begin with well-planned site development. We provide land development engineering services that help optimize site utilization, improve constructability, and support long-term operational requirements while ensuring compliance with applicable regulations and design standards.

Architectural Engineering
Industrial facilities require well-planned buildings that support operations, occupant comfort, and efficient space utilization. We provide architectural engineering services for administrative, utility, control, and support buildings within industrial facilities

MEPFP Engineering
We provide MEPFP engineering services for buildings and utility infrastructure within industrial facilities, covering HVAC, plumbing, and fire protection systems from design through detailed engineering

Procurement Support Services
Procurement is critical to maintaining project schedules, controlling costs, and ensuring the timely delivery of quality equipment and materials. We provide procurement support services that bridge engineering and supply chain functions, helping clients streamline sourcing, vendor management, and procurement execution.
Building Types, We Support
Neilsoft supports architectural workflows across multiple building and infrastructure project types.
Chemicals & Specialty Chemicals
Oil & Gas
Power & Utilities
Biofuel
Renewable Energy
Circular Economics & Emission Control
Water & Wastewater Treatment
Our Expertise

Multi-Disciplinary Detailed Engineering

Greenfield & Brownfield Plant Engineering

Modular Skid Detailing

Technical Bid Evaluation

Industrial Buildings, Infrastructure & Utility Design

Procurement Support



