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Architecture & engineering firms in Spain — browse 88.4K records

Browse 88,357 architecture & engineering firms in Spain — registry-sourced from Registro Mercantil, scoped to NACE 71. Each record carries up to up to 500 firmographic attributes — from CIF/NIF and registered address to revenue, headcount and corporate group structure. The largest by revenue are TECNICAS REUNIDAS SA ($5B), TECNOLOGIAS Y SERVICIOS AGRARIOS SA SME MP ($717M) and SIEMENS SA ($642M).

88.4K
Architecture & engineering firms
3
NACE codes
19.7K
Group-linked records

Top companies

Largest architecture & engineering firms in Spain (2026)

The largest architecture & engineering firms in Spain by revenue are TECNICAS REUNIDAS SA ($5B), TECNOLOGIAS Y SERVICIOS AGRARIOS SA SME MP ($717M) and SIEMENS SA ($642M). The directory below ranks them — sort any column, or filter by sub-sector, company size and region.

Last updated June 2026.

Get the full database

Every Spanish architecture & engineering firms record with all attributes, by API, bulk export or CRM enrichment.

Showing 25 of 88,357 Spanish architecture & engineering firms· click a column to sort, or a company for its full record

Engineering activities and related technical consultancy4,217$5B
Engineering activities and related technical consultancy12,927$717M
Engineering activities and related technical consultancy1,318$642M
Engineering activities and related technical consultancy1,896$613M
Engineering activities and related technical consultancy5,830$506M
Engineering activities and related technical consultancy3,631$394M
Engineering activities and related technical consultancy791$392M
Engineering activities and related technical consultancy1,257$316M
Engineering activities and related technical consultancy856$289M
Engineering activities and related technical consultancy1,884$281M
Engineering activities and related technical consultancy122$261M
Engineering activities and related technical consultancy386$260M
Engineering activities and related technical consultancy1,912$255M
Engineering activities and related technical consultancy1,781$245M
Engineering activities and related technical consultancy1,885$234M
Engineering activities and related technical consultancy4,600$226M
Engineering activities and related technical consultancy3,110$209M
Technical testing and analysis100$202M
Technical testing and analysis23$195M
Engineering activities and related technical consultancy746$168M
Engineering activities and related technical consultancy330$163M
Engineering activities and related technical consultancy664$153M
Engineering activities and related technical consultancy266$153M
Engineering activities and related technical consultancy814$145M
Engineering activities and related technical consultancy596$142M

This is a sample. The full database holds 88,357 Spanish architecture & engineering firms, each with every attribute in the dictionary below.

Database overview

Architecture & engineering firms in Spain — database overview

Distributions across all 88,357 architecture & engineering firms in Spain — registry-sourced from Registro Mercantil and refreshed daily.

Company size (by employee band)

  • 1–9
    95%
  • 10–49
    4%
  • 50–199
    1%
  • 200–999
    0%
  • 1,000+
    0%

Sub-sector breakdown (NACE)

  • Engineering activities and related technical consultancy49%
  • Architectural activities37%
  • Technical testing and analysis14%

Regional distribution

  • Madrid
    24%
  • Barcelona
    14%
  • Valencia
    6%
  • Sevilla
    5%
  • Vizcaya
    3%
  • Málaga
    3%
  • Other
    45%

Revenue (USD)

  • Less than $100K
    74%
  • $100K – $1M
    21%
  • $1M – $10M
    4%
  • $10M – $100M
    1%
  • $100M+
    0%
Get the full database

These distributions are computed from the full Spanish architecture & engineering firms database, not the sample above.

Data coverage

What data is available on architecture & engineering firms in Spain

Spain business database

Firmographics

Legal name, registered address, NACE sub-sector, legal form, founding year and website. Every record is keyed to its CIF/NIF — the stable Registro Mercantil identifier that survives name changes and rebrands, making it the most reliable CRM deduplication key for Spain data.

Points of interest

Each company is geocoded to GPS coordinates covering its registered seat and operating locations across Spain, with a precision level on every point — useful for territory planning and proximity targeting.

Tax IDs

Records carry the CIF/NIF and, where applicable, the VAT registration number, with a flag for when the two coincide. These are the cleanest match keys for enriching lists and cross-referencing against the national tax authority and your CRM.

Group structure

InfobelPRO resolves the corporate hierarchy — parent, subsidiaries and the size of the worldwide corporate family — so sales and compliance teams can see who controls an entity before engaging or onboarding it.

Financials

Annual revenue in local currency, EUR and USD, employee headcount and founding year, with multi-year history where filed. Figures are sourced from Registro Mercantil filings and carry an Actual-or-Modeled reliability flag.

Data dictionary

Every attribute in the Spanish architecture & engineering firms dataset

The full field catalogue behind each record. Contact data (email, phone, executives) is part of the licensed dataset but is never displayed on this page.

Identity

companyName
Registered legal name.
businessName
Trading / commercial name where it differs from the legal name.
tradeName
Additional registered trade name.
nationalID
CIF/NIF — the official Registro Mercantil company identifier.
nationalIDIsVat
Flag indicating whether the national ID doubles as the VAT number.

Location

addressStreet
Registered street address.
postCode
Postal code.
city
City / locality.
province
Region / province / county.
country
Country (ISO).
longitude / latitude
Geocoded coordinates of the location.
geoLevel
Precision level of the geocode.

Web

website
Primary corporate URL.
webDomain
Normalised root domain.
websiteStatusFlag
Live / dead / redirect status from the last crawl.
websiteCrawlDate
Date the website was last checked.

Activity

altInternationalCode01–06
Up to six NACE Rev. 2 activity codes plus labels.
internationalCode
US SIC code.
localCode
National activity code.
infobelCode
Proprietary Infobel activity code.

Size

employeesHere
Headcount at this location.
employeesTotal
Total headcount across the entity (with Actual / Modeled flag).

Financials

salesVolume
Annual revenue in local currency.
salesVolumeEuros
Annual revenue converted to EUR.
salesVolumeDollars
Annual revenue converted to USD — shown in the table.
currency
Reporting currency.
yearStarted
Year the company was founded.
financialHistory
Multi-year revenue history where filed.

Status & legal

statusCodeName
HQ, branch or single-location indicator.
legalStatusCodeDescription
Legal form (e.g. limited company / corporation).

Group structure

familyMembers
Number of entities in the worldwide corporate family.
subsidiaryIndicator
Whether the entity is a subsidiary.
parentLinkage
Link to the parent company.
domesticLinkage / globalLinkage
Domestic and global ownership links.
hierarchyCode
Position within the corporate hierarchy.

Source comparison

Registro Mercantil vs InfobelPRO

Registro Mercantil gives you legal registration data. InfobelPRO adds the commercial intelligence sales, marketing and compliance teams actually need.

AttributeRegistro MercantilFree official registryInfobelPRO
CIF/NIFYesYes — on 99.9% of records
Legal name & registered addressYesYes
Company status (HQ / branch)YesYes — daily sync
NACE sub-sector classificationYesYes — up to 6 codes
Annual revenue (local / EUR / USD)Filings onlyYes — multi-currency
Employee countNoYes
Decision-maker contactsNoYes — licensed
Geocoded coordinatesNoYes
Corporate group structureFilings onlyYes — full hierarchy
API accessNoYes — REST API
Bulk export (CSV / JSON / Parquet)NoYes
Update frequencyPeriodic (filings)Daily sync

FAQ

Frequently asked questions

By the revenue shown in the directory above, the largest architecture & engineering firms in Spain include TECNICAS REUNIDAS SA ($5B), TECNOLOGIAS Y SERVICIOS AGRARIOS SA SME MP ($717M) and SIEMENS SA ($642M). Sort the Revenue column or filter by sub-sector, size and region to explore the full ranking.
InfobelPRO lists 88,357 architecture & engineering firms registered in Spain, classified under NACE 71, sourced from Registro Mercantil. The directory covers all registered entities in scope, not a sampled subset.
Madrid holds the largest share with 24% of Spain's architecture & engineering firms, followed by Barcelona (14%) and Valencia (6%). The region chart above shows the full distribution.
Architecture & engineering firms in Spain are classified under NACE 71 — 3 sub-sector codes appear in this segment. Each record can carry up to six NACE Rev. 2 activity codes, plus a US SIC code and the national activity code.
Core firmographics come directly from Registro Mercantil and are refreshed daily — new incorporations, address changes and status updates flow through within 24 hours of publication. Revenue and employee figures track annual report filings and carry an Actual-or-Modeled reliability flag.
Yes. InfobelPRO combines registry-sourced firmographics with licensed contact data, processed under GDPR Article 6(1)(f) — legitimate interest and AEPD guidance. Individual opt-outs are honoured and compliance documentation is available on request.

Need the full Spanish architecture & engineering firms dataset?

API access, bulk export or CRM enrichment — 88,357 records with up to up to 500 attributes each.

Related directories

See all company directories in Spain, explore the full Spain business database In the US classification, related SIC codes include SIC 0781Landscape Counseling and Planning and SIC 7534Tire Retreading and Repair Shops., or see how Spain fits into the wider Europe business database.