CESOL Asoc. Española Soldadura y Tec. de Unión

What CESOL Asoc. Española Soldadura y Tec. de Unión does

CESOL (Asociación Española de Soldadura y Tecnologías de Unión) is a non-profit professional association headquartered in Madrid, Spain, serving as the national reference body for welding and joining technologies. Its core activities include internationally accredited welder, inspector, company, and procedure certification under UNE-EN ISO 9606-1 / 9606-2 and related standards; delivery of IIW/EWF-recognized training programs at three tiers (IWE International Welding Engineer, IWT International Welding Technician, and IWS International Welding Specialist) via a blended eLearning (cesolelearning.es) and in-person workshop format; technical consulting covering process improvement, failure analysis, welding coordination, inspection, and simulation; and publishing technical books plus the Revista Soldadura y Tecnologías de Unión magazine. The organization also holds the secretariat of UNE's CTN-14 Technical Standardization Committee for welding and related techniques (since 1999-11-18), operates a digital certificate-issuance tool (CErtSOL) compliant with UNE-EN ISO 9606-1:2017, and maintains a member job-exchange platform (Bolsa de Empleo).

Underlying the offer is regulatory and standards infrastructure rather than proprietary software. ENAC accreditation (Certificate No. 04/CPE004) underpins personnel certification; CESOL is the sole Spanish representative of the International Welding Institute (IIW) and the European Welding Federation (EWF), giving it exclusive domestic authority to issue IIW/EWF diplomas. Revenue is generated across four streams: training programs (priced €1,000–€1,500+ per module for non-members, lower for members), certification services (welder, ICS, company, procedure), technical assistance and consulting, and publications; member discounts (~20% on UNE standards purchases) and Caja de Ingenieros student financing are documented commercial mechanisms. GTM is sales-led via cesol.es web forms, dedicated emails ([email protected], [email protected], [email protected]), and phone ((+34) 91 475 83 07), supplemented by an active presence on LinkedIn, Twitter/X, Facebook, Instagram, YouTube, and a Blogspot, plus direct-delivered on-site inspection at client facilities.

CESOL serves welding professionals and engineers (IWE/IWT/IWS candidates), industrial companies in the metal-mechanical, construction, fabrication, and aerospace verticals requiring EN 1090 / EN ISO 9606 compliance, and vocational training centers seeking IIW-aligned curricula. The organization is governed by a Junta Directiva (board), has roughly 32 employees, holds no external funding or parent company, and is currently participating in multiple Erasmus+ European consortium projects (ICARUS, VETINNOVATE, GRACEFUL AM, WELDNET, INSPIRE, COVE-WENDT, VR-VET, AILEEN). In 2024 it added an Additive Manufacturing training program to its portfolio, its first material product-surface expansion in years.

Name

CESOL Asoc. Española Soldadura y Tec. de Unión

Legal name

ASOCIACIÓN ESPAÑOLA DE SOLDADURA Y TECNOLOGÍAS DE UNIÓN

Website

https://cesol.es

Company type

Private

Operating status

Operating

Headcount range

11–50 employees

Short description

CESOL is a Spanish non-profit professional association headquartered in Madrid that delivers ENAC-accredited welder, inspector, and welding-procedure certifications, IIW/EWF-recognized IWE/IWT/IWS training, technical consulting, and standardization services for welding and joining technologies to industrial, aerospace, and metal-mechanical companies and individual professionals.

Ownership category

akta.pro rank

Product category

Welding Training and Certification Services

NAICS

Apprenticeship Training (611513)

SIC

Services-Testing Laboratories (8734), Services-Educational Services (8200)

akta.pro primary industry

Welding Inspection, QA/QC & NDT Prep Training (e.g., CWI) (EDAOADAF)

akta.pro secondary industries

Welding Codes, Safety & Compliance Training (AWS/ASME/OSHA) (EDAOADAG), Arc Welding (SMAW/GMAW/FCAW/GTAW) Training (EDAOADAA), Skilled Trades, Safety & Compliance Certification Prep (OSHA, HAZMAT, welding, electrical, HVAC) (EDANAIAM), Third-Party Certification, Code Compliance & Regulatory Inspection (ASME/API/ISO) (EUAEAHAN), Conformity Assessment, Testing, Inspection & Certification Cooperation (BPADANAD)

Keywords

• Welding certification services
• Welding training programs
• Welding standards standardization
• Welder qualification testing
• Joining technologies consulting

Headquarters

HQ city

Madrid

HQ country

Spain

HQ region

Europe

Offices1 record

Markets served

GTM type

B2B

Offering type

Services

Cost components

Personnel, Operations, Technology or R&D, Marketing or Sales, Others

Revenue model

1. Training Courses and Masters: Revenue from internationally recognized welding courses including IWE (International Welding Engineer), IWT (International Welding Technician), and IWS (International Welding Specialist) programs. Training is delivered through semipresencial (blended) format combining eLearning and in-person sessions.
2. Certification Services: Certification of welders, inspectors, companies, and welding procedures. Includes CErtSOL program for welder certification according to UNE-EN ISO 9606-1:2017.
3. Publications: Sale of technical books, manuals, and the 'Revista Soldadura y Tecnologías de Unión' magazine covering welding and joining technologies.
4. Technical Assistance Services: Technical consulting, process improvement, quality standards implementation, failure analysis, welding coordination, inspection, and simulation services.

Pricing tiers

Go-to-market motion1 record

Distribution channels4 records

Marketing channels5 records

Core offering

CESOL is the Spanish Association of Welding and Joining Technologies, a non-profit professional association that delivers internationally recognized welding training programs (IWE, IWT, IWS), ENAC-accredited certification services for welders, inspectors, companies, and welding procedures, plus technical consulting, publications, and standardization services. It serves as Spain's representative in the International Welding Institute (IIW) and the European Welding Federation (EWF), and holds the secretariat of UNE's CTN-14 technical standardization committee.

Product overview

CESOL (Asociación Española de Soldadura y Tecnologías de Unión) is a professional association offering a comprehensive portfolio of products and services centered on welding and joining technologies. The core offerings include internationally recognized training programs (IWE, IWT, IWS masters), ENAC-accredited certification services for welders, inspectors, companies, and welding procedures, technical assistance and consulting, standardization services through CTN-14, and publications including technical books and the 'Tecnologías de Unión' magazine. CESOL also provides CErtSOL software for digital welder certificate management and operates an online learning platform (cesolelearning.es). The association serves as the Spanish representative in EWF and IIW international bodies.

Differentiator

Problem solved

Functional benefit

Products and services

• Máster IWE (International Welding Engineer) A 600-hour semipresential master program training International Welding Engineers, combining eLearning and face-to-face instruction across four modules covering welding processes, materials, design, and fabrication.
• Máster IWT (International Welding Technician) 600-hour training program for International Welding Technicians covering welding processes, materials behavior, welded joint calculation and design, and fabrication application.
• Máster IWS (International Welding Specialist) 421-hour training program for International Welding Specialists covering welding processes, materials behavior, joint calculation/design, and fabrication application.
• Welder Certification (Certificación de Soldadores) Welder qualification and certification services according to UNE-EN ISO 9606-1:2017 and UNE-EN 9606-2 standards, with ENAC accreditation (Certificate No. 04/CPE004).
• Inspector Certification (ICS / CWI) Certification program for Inspectors of Welded Constructions (ICS) at levels 2 and 3, also offering CWI (Certified Welding Inspector) certification from AWS.
• Company Certification (Certificación de Empresas) Company certification services for welding-related operations and quality standards compliance.
• Welding Procedure Certification Certification of welding procedures according to UNE-EN 13134 standard and related specifications.
• Technical Assistance and Consulting Technical consulting services including process improvement, quality standards implementation, failure analysis, welding coordination, inspection, and simulation.
• Publications (Publicaciones) Technical publications including books on welding technologies, materials, inspection, and the 'Tecnologías de Unión' (Revista Soldadura y Tecnologías de Unión) magazine.
• Standardization Services (Normalización CESOL) CESOL holds the secretariat of the Technical Standardization Committee CTN-14 'Welding and Related Techniques', managing UNE standards development and international CEN/ISO coordination.
• Job Exchange (Bolsa de Empleo) Employment exchange service connecting companies with qualified welding professionals through job offers and demands.
• CESOL eLearning Platform Online learning management system (cesolelearning.es) for delivering eLearning courses, accessible via web portal with login functionality, supporting the semipresential training model.
• CErtSOL Software A computer program designed for issuing welder homologation certificates according to UNE-EN ISO 9606-1:2017 standard, supporting both single and multiple process certifications.
• Additive Manufacturing Training New training program covering laser-based additive manufacturing technologies, launched in 2024 as a new offering within the CESOL training portfolio.

Quantifiable outcome

• ENAC accreditation for welder certification according to UNE-EN 287-1 and EN-ISO 9606-2 standards
• +1 more outcomes

Named customers2 records

Segments3 records

Ideal customer profiles3 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature2 records

Partnerships

Four partnerships are on record, tiered core and minor.

• UNE - Asociación Española de NormalizacióncoreStrategic or Co-development Partner · 18 November 1999CESOL is a member of UNE and holds the secretariat of Technical Normalization Committee CTN-14 'Soldadura y técnicas conexas' (Welding and Related Techniques). The committee is responsible for developing UNE standards related to welding and monitoring international standardization work in CEN/TC-121, CEN/TC 240, and ISO/TC 44.
• International Welding Institute (IIW)coreStrategic or Co-development PartnerCESOL is a full member and the official Spanish representative in the International Welding Institute (IIW). Through this partnership, CESOL offers internationally recognized welding certifications including IWE (International Welding Engineer), IWT (International Welding Technician), IWS (International Welding Specialist), and IWP (International Welding Manager) diploms.
• European Welding Federation (EWF)coreStrategic or Co-development PartnerCESOL is a full member and the official Spanish representative in the European Welding Federation (EWF). This partnership enables CESOL to deliver harmonized European welding qualifications and participate in international standardization activities.
• Erasmus+ Project ConsortiumsminorStrategic or Co-development PartnerCESOL participates in multiple Erasmus+ projects including ICARUS, VETINNOVATE, GRACEFUL AM, WELDNET, INSPIRE, COVE-WENDT, VR-VET, and AILEEN. These projects focus on vocational education, sustainability, additive manufacturing, and welding technology development across European partnerships.

Scale indicators3 records

Recent moves6 records

Expansion highlights5 records

Direct peers

• Institut de Soudure: France's national welding institute, offering the same combination of IIW/EWF diploma training, welder and inspector certification, technical consulting, and R&D. It is the closest functional peer to CESOL within the European welding federation network.
• American Welding Society (AWS): US national welding society issuing the CWI certification (which CESOL also offers), publications, and training. Same member-association, standards-setting, and certification business model, but operating at far larger scale in the US market.
• CWB Group (Canadian Welding Bureau): Canada's welding certification body issuing CSA W47.1/W47.2 company certifications and welder qualifications. Directly comparable as a national, standards-based welding certification and training provider.
• GSI - Gesellschaft für Schweißtechnik International: Network of German welding training and research institutes (SLV). Offers IIW-aligned training and DIN/EN certification services comparable to CESOL's training and certification portfolio across multiple German sites.
• TWI Ltd (The Welding Institute): UK-based welding R&D and training organization offering IIW-aligned training, weld inspection, certification, and failure analysis. Comparable to CESOL's mix of training, certification, and technical assistance, with a stronger R&D and industrial membership dimension.
• DVS - Deutscher Verband für Schweißen: German Welding Society, the German IIW/EWF representative. Provides welding training, certification, and standardization services analogous to CESOL, but at much larger scale within Germany's industrial base.

Broad incumbents

• Lincoln Electric: Global welding equipment manufacturer that also operates welding schools and training programs. A broader incumbent whose training arm competes for industry education spend while its dominant position in equipment gives it scale advantages CESOL lacks.
• Bureau Veritas: Global testing, inspection and certification (TIC) company active in welding inspection, EN 1090 audits, and industrial QA. Competes with CESOL's technical assistance and certification services, especially for large industrial clients.

Others

• European Welding Federation (EWF): European coordination body for welding qualifications of which CESOL is the Spanish representative. Defines harmonized European welding qualifications that CESOL implements at national level.
• IIW - International Institute of Welding: Global federation of which CESOL is the Spanish member. Sets the diploma framework (IWE/IWT/IWS) that CESOL delivers; not a direct competitor but the standards body whose authority underwrites CESOL's franchise.

Market position

Strengths4 records

Weaknesses4 records

Competitive moat5 records

Key risks5 records

Key highlights6 records

Customer concentration

• Xx.com/cesol_soldadura
• YouTubeyoutube.com/channel/UC8zXooE44jY-GkK2krN8H3A
• Facebookfacebook.com/CESOL-Asociaci%C3%B3n-Espa%C3%B1ola-de-Soldadura-y-Tecnolog%C3%ADas-de-Uni%C3%B3n-1815446288709205
• LinkedInlinkedin.com/company/cesol-asoc-espanola-soldadura-y-tec-de-union
• Instagraminstagram.com/cesol_soldadura/?hl=es

Compliance6 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles1 record

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about CESOL Asoc. Española Soldadura y Tec. de Unión