Swiss Welding Institute

Swiss Welding Institute

The objectives of the SWI foundation are the promotion and development of the quality and safety of welded assemblies. To achieve these objectives, SWI provides training and certification, and conducts applied research & development projects for regional and national businesses. This includes:

  • International theoretical and practical training in welding and electronic soldering,
  • Welding and electronic soldering certification,
  • Services to companies (eg consulting and training),
  • R&D projects co-financed with public, industrial or public funds.
The Swiss Welding Institute is an independent organization. It is a nonprofit public interest foundation as defined by Articles 80 and following of the Swiss Civil Code. It is operated by welding professionals. Under the foundation’s bylaws, its Board includes representatives of the market, government and non-government bodies, and the academic community.

SWI’s certification agency, called SWI Certif, issues welding certificates to physical people who demonstrate compliance with workmanship requirements and standards in force.
SWI Certif is accredited by the Swiss Accreditation Service under number SCESe 116.


SWI is a member of:

  • IIS-IIW - International Institute of Welding
  • EWF - european Federation for Welding, Cutting and Joining
  • IPC Association Connecting Electronics Industries
Institut SWI - HEIG-VD

Areas of expertise

Theoretical training

The SWI is the undisputed leader in welding training in Western Switzerland. It is the only Swiss institution offering training in French recognized by over 50 countries. The SWI delivers the following qualifications:

  • International Welding Engineer IWE
  • International Welding Technologist IWT
  • International Welding Specialist IWS
  • International Welding Practitioner IWP
  • International Welder IW

The SWI also provides short advanced courses.

ESA training & certification

The SWI training center at the Technopôle de Sainte-Croix is the 7th ESA-approved skills training school (ie accredited by the European Space Agency) and the only Swiss institution providing certified training in high-reliability soldering according to European Cooperation for Space Standardization (ECSS) standards:

  • ECSS-Q-ST-70-08 cat. 3 operator
    Hand-soldering operator for through-hole technology
  • ECSS-Q-ST-70-26 cat. 2/3 operator/inspector
    Crimping of high-reliability electrical connections
  • ECSS-Q-ST-70-28 cat. 3 operator
    Repair and Modification of PCBs
  • ECSS-Q-ST-70-30 cat. 2/3 operator/inspector
    Wire wrapping of high reliability electrical connections
  • ECSS-Q-ST-70-38 cat. 3 operator
    High-reliability soldering for surface mount and mixed technology
  • ECSS-Q-ST-70-08 cat. 2 operator
    Hand-soldering Operator for THT/SM

Practical training & certification

Practical soldering training is a top priority at SWI. Each year, the SWI’s training center in Yverdon-les-Bains provides over 10,000 hours of courses. The vast majority of participants finalize their training with a welder’s certificate.

IPC training & certification

SWI is the only Swiss institution offering training in French recognized by over 50 countries.

  • IPC-A-610 CIS specialist
    Acceptability of electronic assemblies