Basque Country geotechnics

Geotechnical study in Basque Country

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4,9 / 5

More than 1000 geotechnical studies carried out

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Comprehensive Geotechnical Studies

We combine field analysis and laboratory testing to provide accurate technical reports and foundation solutions.

Soil profile exposed
Soil profile
Soil samples
Soil samples
Soil investigation and sampling
Ground drilling and sampling
Sample extraction
Sample extraction
Laboratory tests for soil classification
Laboratory tests
Analysis for construction
Analysis for construction
4.9
Based on 295 reviews
Fran
Francisco Díaz
They arrived on time; they acted with professionalism and the geotechnical study was ready incredibly quickly.
Xulia
Julia Martin
I had doubts because I had never carried out a study like this before, but they explained everything to me very clearly. A serious team that is also approachable.
Sonia Fabra Solsona
Sònia Fabra Solsona
Professional, friendly and straightforward. All good.
A
Arnau Sala
Good balance between price and quality. I would hire them again.
Sergio Delgado
Javier Segura
Good service and, above all, speed. I thought this would take weeks, but it was ready straight away. Thanks!
Laia
Laia Ferrer
They replied quickly and with a lot of patience. The price seemed good to me for everything they did. Very kind.
Anna Prats
Anna Prats
The truth is I had no idea what a geotechnical study was; I just knew the council asked for it for the project. They explained everything to us with a lot of patience (I asked a thousand questions).
M
Mireia Tor
There was a small delay, but they let me know straight away. Even so, very good.
J
Joana C.
Very good service, economical and professional.
Alejando Peña
Alejandro Peña
They attended to me quickly and provided solutions. Very professional
Toni
Toni Lloret
I recommend them
Aitor Santos
Aitor M. Santos
All good
Núria Casals
Núria Casals
I didn’t understand much of the study, but they explained it to me without confusing me. Reasonable price and nice people.
Marta Solé
Marta Solé
Very good service, friendly approach and no technical jargon. I felt supported throughout the entire process.

Expert professional

Technicians with more than 15 years of experience in the industry. We are specialists in access to difficult locations such as sites with level changes, basements, etc.

Accredited

Geotechnical calculations comply with the rules established by Eurocode 7, UNE-EN ISO 22476-4:2016.

Layers of different types of soil

Best price

Very competitive prices. The best prices for geotechnical studies in Spain. Request a quote and check it.

Speed and quality

Within 7 to 10 days you will receive a signed report from a geologist. It is mandatory in order to carry out new construction or refurbishment works that involve modifications to the structure.

Work areas

We provide service Geotechnical study in all locations of Basque Country. 

This includes the following geographical areas: Álava, Gipuzkoa, Biscay Basque Country and the surrounding areas. 

We travel to your home in Basque Country when it suits you, agreeing a day and time.

Basque Country geotechnical engineering

Our Geotechnical study work in the area.

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Types of ground in Basque Country

The Basque Country, particularly the province of Álava, has diverse geology, essential for carrying out geotechnical studies. With predominantly clayey and marly soils in the Vitoria-Gasteiz area and the Alavese basins, ground stability and groundwater levels vary significantly. The Rioja Alavesa district, with its undulating relief and the presence of limestones, requires specific analyses of compaction and permeability, which are crucial for assessing the feasibility of construction in that environment.

Areniscas, Conglomerados y Flysch
Warning

Sandstones, Conglomerates and Flysch

Sedimentary rocks formed by the cementation of fragments of other pre-existing rocks. They include sandstones (cemented sand), conglomerates (cemented gravels) and the rhythmic alternation of sandston

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Arenas finas y limos
Hazard

Fine sands and silts

Fine to very fine granular soils with medium to loose compacity. Typical of floodplains and coastlines. Although they can support light buildings, they are treacherous soils linked to water processes:

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Construction risks in Basque Country

Approximate estimates. They do not replace the geotechnical study.

Soil type Expansivity Settlements Water table Seismicity Minimum foundation
Limestones, Dolomites and Marbles None Media Media Downward In general, direct foundation using braced strip footing...
Sandstones, Conglomerates and Flysch None Media Media Media Direct foundation is feasible in most cases. For flysch ...
Fine sands and silts None High High High To avoid local punching, the foundation slab is used ext...

Interactive geological map · Basque Country

Mapping: IGME GEODE 50k · IGME MAGNA 50 · ICGC (Catalonia)

Geological Viewer

IGME · ICGC

Typical stratigraphic profile

Indicative subsurface cross-section in Basque Country · Based on GEODE soil types

Fine sands and silts 0–5m
Sandstones, Conglomerates and Flysch 5–20m
Limestones, Dolomites and Marbles 20–40m+
Average groundwater level: 23.3m

Indicative profile based on GEODE soil types and typical CTE thicknesses

Seismic risk in Basque Country

Seismic risk is assessed at municipal level. These are aggregated data for the area.

Maximum recorded magnitude M 4.6 Richter scale
MaxM 4.6
MediaM 2.73
Max Media
Recorded events
200
Between 1996 and 2026
An earthquake of similar maximum magnitude (M ≥ 4.1) occurs approx. every 8 years.
Largest recorded
  • 1 M 4.6 1998
  • 2 M 4.5 2017
  • 3 M 4.3 2002
Last recorded earthquake
2025
M 3.6 · 1 year ago
Indicative historical seismicity data. The minimum magnitude considered is 1.5. Source: Seismic Portal (EMSC/IGN).

How do we carry out your geotechnical study?

Step

Free quote

Request a quotation for your geotechnical study. Completely free and with no obligation​.

Step

We arrange a day

We are looking for a day and time to carry out the field study.

Step

Conducting the geotechnical study

We’re going to move and carry out the study.
In an hour or two we’ll have finished.

Step

Report submission

Within a week we will send you the signed documents of the geotechnical study by an accredited geologist.

Useful information about Geotechnical study

In-depth articles

CTE Technical Building Code

What does the CTE validate in a geotechnical study, and what happens if it is not complied with?

There is widespread confusion among property owners who are about to build their home. Many believe that the geotechnical study is a requirement that can be satisfied by...

Read article
price for geotechnical study

How much does a geotechnical study cost? The honest answer that nobody gives you

If you have searched online for the price of a geotechnical study, you have probably come across two types of answers. The first: reassuring round figures that promise...

Read article
foundation level and tension

What is the foundation level and why can an error in that figure ruin your build?

There is a piece of information in the geotechnical report that very few property owners know by name, but which lies behind almost all serious economic surprises that...

Read article

Entities and institutions

Logo of the Ilustre Colegio Oficial de Geólogos with crossed tools and laurel wreaths.
COIGT logo, in brown tones, with an engineering symbol and the corresponding text.
Logo on a yellow background with the letters "CTE" and "BUILDING TECHNICAL CODE".
Logo of the Consejo Superior de los Colegios de Arquitectos de España.

Do you need a geotechnical study in Basque Country?

Request a no-obligation quote. We’ll advise you on the type of study you need.