At S3, we provide technically robust, sustainable, and future-ready structural engineering services. From Eurocode-compliant design and BIM coordination to advanced simulation, optimisation, and novel structural systems, our work blends proven engineering principles with innovative thinking. This page outlines the core areas of our expertise — and the digital tools that help us deliver precision, performance, and value at every stage.
Design and BIM integration
We provide comprehensive design services for steel, composite, and reinforced concrete structures, with full support for Eurocode compliance and BIM coordination.
Services
Structural design to Eurocodes (EC2, EC3, EC4, EC8)
Steel, concrete, and composite building design
Seismic detailing for ductile frames and braced systems
Design of bolted and welded steel connections
Coordination-ready 3D modelling and general arrangement drawings
Prefabricated and modular construction systems
Soil–structure interaction assessments
Tools
Revit – 3D modelling and BIM coordination
Autodesk Robot Structural Analysis – General structural analysis
SCIA Engineer – Eurocode design for steel, composite, and seismic structures
FEM-Design – Cracked RC section analysis, soil–structure interaction, prefabricated concrete design
IDEA StatiCa – Advanced connection design and verification
SAP2000 – Global analysis for irregular or complex geometry
Advanced Analysis & Parametric Modelling
For technically demanding or research-driven projects, we offer sophisticated analysis, scripting, and parametric workflows tailored to unique architectural or performance requirements.
Services
Nonlinear finite element modelling (local buckling, fracture, staged loading)
Parametric studies and design optimisation
Custom load automation and scripting
Structural form finding and geometry-based performance evaluation
Tools
Abaqus – High-fidelity FEM simulations
Python scripting – Workflow automation, optimisation, and data processing
Rhino + Grasshopper – Parametric modelling, visual programming, and form optimisation
Custom simulation environments for bespoke analyses
Innovation, Sustainability & Research-Driven Design
Rooted in years of structural research and experimental testing, we offer deep expertise in designing novel structural systems and sustainable building strategies.
Services
Design of self-centering systems and replaceable seismic energy dissipators
Development of advanced damping and resilience-enhancing mechanisms
Technical support for Net-Zero and circular economy objectives
Integration of demountable connections for reuse at end-of-life
Life Cycle Assessment (LCA) to quantify and reduce environmental impact
Tools
Custom FEM-based workflows (Abaqus, SCIA) for novel system simulation
Parametric design tools (Grasshopper, Python) for system optimisation
LCA integration using industry-standard databases and client-specific targets