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Geotechnical solutions for the most demanding site challenges

Terratest develops and implements solutions for special foundations, ground improvement, soil retention, tunnels, and geotechnical engineering for highly complex projects.

Since 1959, we have combined experience, technical expertise, and the ability to execute projects to address the specific conditions of each site and each project.

Precast Pile Foundation for The New Heaven – Chatham Views (Gibraltar)

More than six decades of geotechnical experience

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Completed Projects

We don't diversify to grow. We go deeper to lead.

At Terratest, we tackle challenges that begin beneath the surface. Every technique we’ve mastered is the result of decades of experience working on some of the most demanding sites and projects, from urban subways to seaports and industrial plants.

This specialization allows us to offer a full range of geotechnical solutions—from design and planning to construction and site supervision—all handled by the same technical team.

Solutions for Every Terrain Challenge

We analyze the geotechnical, structural, and construction conditions of each project to develop a safe, efficient solution tailored to the project's needs.

Learn About Our Solutions
Piles and Deep Foundations

From residential buildings to bridges and infrastructure subjected to heavy loads.

Support and Stabilization

Retaining walls, JES anchors, and bracing systems for urban excavations and highly complex construction projects.

Land Improvement

Retaining walls, JES anchors, and bracing systems for urban excavations and highly complex construction projects.

Tunnels and Underground Construction Projects

Solutions for microtunnels, subway stations, and other underground infrastructure.

Engineering and Monitoring

Design, monitoring, and technical supervision during the various phases of the project.

Environmental Solutions

Waterproofing, drainage, and soil treatment in areas with environmental constraints.

Applied Solutions

Projects that reflect our experience.

Micropiles
Airport Access Road

Manises, Valencia

Piles
Ence Navia Biofactory Fluff Pulp Plant

Navia, Asturias

Piles
Vilagarcía de Arosa Storm Water Reservoir

Vilagarcía de Arousa, Pontevedra

Piles
Phase II of the Miraconcha–Easo section of the San Sebastián Metro

Donostia/San Sebastián, Gipuzkoa

Micropiles
Gijón-Laviana Railroad

Gijón, Asturias

Screens
Galtzaraborda Metro Station. Donostia. Gipuzkoa

Donostia/San Sebastián, Gipuzkoa

Piles
New pier at BASUB for submarine berthing. Cartagena Naval Shipyard

Cartagena, Murcia

Piles
Hassan Centenary Terrace, Gibraltar, Phase II

Gibraltar, Gibraltar

Screens
Madrid Metro Line 11. Comillas Stations

Madrid, Madrid

Piles
Lot 32.2, Vista Alegre Housing Development

Sant Josep de Sa Atalaia, Balearic Islands

Piles
62 homes in Marbella

Marbella, Málaga

Screens
Madrid Metro Line 11. Madrid Río

Madrid, Madrid

Micropiles
Castro Piedrafita Viaduct

Piedrafita, Lugo

Screens
Curio Collection by Hilton Hotel and Hilton Garden Inn Hotel

Marina do Lagos, Algarve

Micropiles
Renovation of A3114 Maestru. Leorza

Arraia-Maeztu, Álava

Screens
Entrenúcleos Skyscraper

Dos Hermanas, Seville

Piles
Reinforcement of Pile 4 on the Rules Viaduct (Piles)

Vélez de Benaudalla, Granada

Jet Grouting
Reinforcement of Pile 4 on the Rules Viaduct (Jet Grouting)

Vélez de Benaudalla, Granada

Screens
Screen – New A.E.A.T. Branch Office

València, Valencia

Micropiles
29 homes on Río Vélez Street in Mijas

Mijas, Málaga

Micropiles
Itaca Building, Vázquez de Mella Street (Modroño)

Oviedo, Asturias

Soil Improvement
Platform Maintenance at the San Juan del Puerto Station

San Juan del Puerto, Huelva

Piles
Cold storage facility

Vila Franca de Xira, Lisbon

Piles
Precast Piles for the Bob Peliza Mews Residential Development. Gibraltar. Phase II

Gibraltar, Gibraltar

Piles
HCC Rio Tinto

Gondomar, Porto

Piles
Vieira de Castro Industrial Building (UN3) – Vila Nova de Famalicão

Braga, Braga

Screens
Video Wall – New Benito Villamarín Stadium (Seville) – Real Betis

Seville, Seville

Piles
Ballesol Retirement Home in Ensanche, Huelva

Huelva, Huelva

Piles
Produce warehouse. Cuevas del Almanzora

Cuevas del Almanzora, Almería

Piles
Precast Pile Foundation for The New Heaven – Chatham Views (Gibraltar)

Gibraltar, Gibraltar

Piles
71 homes, Lot 1.6, SUP LO-1 Sector “Torre del Río,” Málaga

Málaga, Málaga

Soil Improvement
Expansion of the La Galera Dock in Algeciras

Algeciras, Cádiz

Soil Improvement
Leroy Merlin Logistics Facility

Castanheira do Ribatejo

Piles
5 apartment buildings in Magaluf, Calvià

Calviá, Balearic Islands

Piles
Flood and Tidal Protection on the Rio Velho and Rio Novo do Príncipe

Cacia, Aveiro

Piles
Fene Navantia Factory Phase II Flat Block Workshop

Fene, A Coruña

Piles
Zara Warehouse in the Sabón Industrial Park, in Arteixo

Arteixo, A Coruña

Piles
Saltoky Logistics Center

Zaragoza, Zaragoza

Piles
Pavilion Zero, Fira

Barcelona, Barcelona

Piles
Warehouse, Block 2, Los Pradillos – Montepino, Illescas

Illescas, Toledo

Piles
Peliza News Residential

Gibraltar, Gibraltar

Piles
Los Gavilanes Industrial Park Logistics Park

Getafe, Madrid

The experience that lives on in every project

Meet Our Team

Real continuity

Many of our professionals have been with Terratest for decades.
This continuity allows us to apply the knowledge we’ve accumulated through thousands of projects to each new project.

Technical Autonomy on the Job Site

Each team can make technical decisions independently, backed by centralized engineering support that ensures the rigor and consistency of every solution.

Safety as a Priority


We operate under a system certified to the ISO 45001 standard, with mandatory training and protocols that allow us to halt any operation upon detection of a risk.

Comprehensive Solutions

We have the capacity to study, design, and implement various techniques within a single project, using specialized equipment and resources.

Does your project involve a complex geotechnical challenge?

Our engineering team can analyze site conditions, evaluate available options, and determine the most appropriate solution—from design through implementation.

Contact the technical team
Work with Us

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