Infrastructure · Buildings · Energy · Mapping

Design, survey,
engineer, deliver.

Engineering consultancy specialising in infrastructure, buildings, energy and surveying — from airfield pavements to utility network coordination.

Our expertise in action

One project, four engineering perspectives

Hover over the illustration hotspots or use the links below the image to access the division you need.

Hover over a hotspot, then click to explore

01 02 03 04

Our fields

Each division addresses a distinct discipline and project need.

Road and airfield pavements, geotechnical studies, structures and airport areas — from design through handover.

Energy audits and performance assessments, energy-efficient systems, and training for assessors and auditors.

Architectural design (2D/3D surveys, photogrammetry and execution drawings) and structural engineering (reinforced concrete and steelwork).

Topographic surveys, geodesy and GPS, GIS, detection and georeferencing of underground and overhead networks, and FTTH studies.

Key figures

2500+utility coordination drawings

2000+energy audits

100+buildings

10+international airports

TOPDEC project track record.

Our method

Tell us about your requirements and our team will get back to you promptly.