TOPDEC
TOPDEC emblem TOPDEC ENGINEERING

Infrastructure · Buildings · Energy · Mapping

Design, survey,
engineer, deliver.

TOPDEC is a Franco-Tunisian multidisciplinary engineering consultancy supporting projects in France and across Africa in infrastructure, buildings, energy and surveying.

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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 Isometric engineering project combining infrastructure, buildings, energy, surveying and networks Airport expertiseInfrastructure division · 01 01 02 03 04

Our fields

Four areas of expertise

Each division addresses a distinct discipline and project need.

Infrastructures

Transport Infrastructure

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

Explore the division → Energy

Energy Efficiency

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

Explore the division → Buildings

Buildings

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

Explore the division → Mapping

Surveying, Mapping & Networks

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

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Key figures

A proven delivery capacity

2500+utility coordination drawings
2000+energy audits
100+buildings
10+international airports

TOPDEC project track record.

Our method

Rigour as a working method

Discover our approach

A project to engineer?

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

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