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Rejlers

Rejlers is a Nordic engineering consultancy serving energy, industry, infrastructure, real estate and telecommunications clients.

Last updated August 31, 2026

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Overview

Rejlers is a Swedish engineering consultancy and one of the larger technical consulting groups in the Nordic region. The company was founded in 1942 by Gunnar Rejler and has developed from an engineering practice into a multidisciplinary professional-services business supporting clients with technical design, planning, project management and specialist advisory work. Its activities span several sectors in which engineering expertise and the modernization of physical and digital systems are central, including energy, industrial operations, infrastructure, real estate and telecommunications. The company's business is organized around knowledge-based services rather than consumer products. Rejlers works with public and private-sector organizations on the planning, development, improvement and operation of technical systems and built environments. This gives the brand a position between traditional engineering design firms and broader technology and management consultancies. Its sector coverage allows it to participate in projects connected with energy transition, industrial development, transport and other infrastructure, property systems, and communications networks. Rejlers has representation in Sweden, Finland, Norway and the United Arab Emirates. The Nordic countries form the company's principal geographic base, while its presence in the United Arab Emirates extends its reach beyond Northern Europe. The business operates through professional teams in multiple technology disciplines, enabling it to work on projects that require coordination between engineering specialties and client organizations. The company is publicly traded, with its Class B share listed on Nasdaq Stockholm. In 2019, Rejlers reported turnover of SEK 2.6 billion and had approximately 2,400 employees, according to the referenced company description. These figures indicate the scale of a regional engineering group rather than a small specialist consultancy. Rejlers' brand is consequently associated with technical competence, project delivery and long-term support for infrastructure and industrial transformation. Because Rejlers is a consultancy, its offerings are primarily services and expertise rather than standardized branded goods. Its market identity depends on the capabilities of its engineers, consultants and project teams, as well as on the ability to combine sector knowledge with practical implementation. The available reference material does not provide enough detail to identify specific named service packages, major acquisitions, advertising campaigns, leadership changes or controversies without risking invention.

History

Rejlers was established in Sweden in 1942 by Gunnar Rejler. From its beginning as an engineering business, it expanded its technical scope and geographic presence, becoming a consultancy serving a broad range of infrastructure- and technology-intensive industries. The company's development reflects the growing role of external engineering specialists in the planning and modernization of energy systems, industrial facilities, transport and other infrastructure, real estate technology, and telecommunications. Over time, Rejlers built a Nordic operating presence across Sweden, Finland and Norway. Its activities were not limited to a single engineering discipline; instead, the company assembled expertise across several technical fields so that it could support complex projects involving design, analysis, planning, implementation and advisory work. This multidisciplinary model allowed Rejlers to serve both commercial organizations and public-sector clients whose projects require specialized technical knowledge and coordination among multiple stakeholders. The group later established representation in the United Arab Emirates, extending its geographic footprint beyond the Nordic region. The available reference material does not specify the date or detailed circumstances of that expansion, but the presence reflects Rejlers' broader international orientation while retaining a strong Nordic base. Rejlers became a publicly traded company, and its Class B share is listed on Nasdaq Stockholm. Public-market ownership provided a formal platform for the company as it grew into a sizeable regional consultancy. By 2019, the company was described as having approximately 2,400 employees and turnover of SEK 2.6 billion. Its main technology areas at that time included energy, industry, infrastructure, real estate and telecommunications. In its present form, Rejlers is best understood as a professional-services and engineering brand rather than a manufacturer or consumer-facing product company. Its value proposition is based on the expertise of its personnel and its ability to provide technical advice and project services across several sectors. The supplied reference material does not document detailed corporate milestones, named product launches, acquisitions, advertising campaigns, scandals or individual executive appointments, so those areas remain unfilled.

  • 2019

    Reported scale and Nordic technology focus

    [1]

    The company was described as having approximately 2,400 employees and turnover of SEK 2.6 billion in 2019. Its activities covered energy, industry, infrastructure, real estate and telecommunications, with representation in Sweden, Finland, Norway and the United Arab Emirates.

  • 1942

    Company founded

    [1]

    Gunnar Rejler founded Rejlers in Sweden as an engineering business.

  • Class B share listed on Nasdaq Stockholm

    [1]

    Rejlers' Class B share is listed on Nasdaq Stockholm. The available reference does not specify the listing year.

Products and positioning

A multidisciplinary Nordic engineering and technology consultancy focused on energy, industry, infrastructure, real estate and telecommunications.

  • Engineering and technical consultancy

    Energy consulting

    Rejlers provides engineering and advisory expertise for the energy field. The available source identifies energy as one of the company's principal technology areas, but does not specify individual named services, projects or productized offerings.

  • Engineering and technical consultancy

    Industrial engineering consulting

    Industrial consulting is one of Rejlers' stated areas of activity. The business supports technology-related work for industry, although the supplied material does not provide enough detail to identify particular industrial sectors, methodologies or branded solutions.

  • Engineering and technical consultancy

    Infrastructure consulting

    Rejlers works in infrastructure-related engineering and consultancy. This broad area may include technical planning and project support, but no specific infrastructure programs or service names are documented in the supplied reference.

  • Engineering and technical consultancy

    Real-estate technology consulting

    Real estate is identified as a major technology area for Rejlers. The reference supports describing this as engineering and technical consultancy connected with the built environment, but does not identify specific building, property or systems offerings.

  • Engineering and technical consultancy

    Telecommunications consulting

    Telecommunications forms part of Rejlers' multidisciplinary consulting scope. The available material does not specify particular network, communications or digital-infrastructure services.

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