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    Contact details

    Here’s how to reach us:

    Flöjelbergsgatan 12, 431 37 Mölndal (HQ)
    Find us

    Support contact:
+46 (0) 31 746 83 00

    Companies in the group

    Transtema Network Services AB

    Flöjelbergsgatan 12
    431 37 Mölndal

    Telefon: +46 (0) 31 310 80 00

    Transtema Network Services is a market-leading provider of field services in telecommunications in Sweden. We build, maintain and manage communication networks across Sweden. We work in all environments and with the highest security classifications, offering our customers a comprehensive solution with quality and customer expectations in focus.

    Geographical coverage: Nationwide
    TNS is certified according to: ISO 9001, ISO 14001, ISO 45000, and Robust Fiber.

    Org. no: 556884-7676

    Billing details:
    VAT no: SE556884767601
    Billing address: faktura.tns@transtema.com

    Accounting contact: ekonomi.tns@transtema.com

    See instructions for “Billing instructions for our suppliers” for the requirements to submit invoices to Transtema Network Services.

    Transtema AB

    Flöjelbergsgatan 12
    431 37 Mölndal

    Telefon: +46 (0) 31 310 80 00

    Transtema works with products and services related to communication networks. We offer services in design, construction, maintenance, and monitoring of infrastructure for all types of technologically advanced communication networks. We prioritize our customer relationships by delivering comprehensive solutions and high quality to them.

    Geographical coverage: Gothenburg and Halland

    Org. no: 556320-3677

    Billing details:
    VAT no: SE556320367701
    Billing address: levfaktura@transtema.com

    Transtema Mobile AB

    Flöjelbergsgatan 12
    431 37 Mölndal

    Telefon: +46 (0) 31 310 80 00

    Transtema Mobile AB is a provider of digital infrastructure for mobile networks in Sweden. Transtema Mobile plays a key role in the expansion of 5G networks on the Swedish market. The company designs, builds, and upgrades base stations for next-generation mobile networks. Additionally, they offer complete solutions for indoor coverage projects.

    Geographical coverage: Nationwide

    Org. no: 559074-0105

    Billing details:
    VAT no: SE559074010501

    Transtema Datelab AB

    Skjutbanevägen 1
    703 84 Örebro

    Telefon: +46 (0) 31 310 80 00

    Our focus areas within operations include electrical, telecom, data, and fiber installations, as well as service and maintenance in each area. Our employees have extensive competence and experience in service and maintenance, with a strong reputation in the local market.

    Geographical coverage: Western Mälardalen

    Org. no: 556522-5728

    Billing details:
    VAT no: SE556884767601
    Billing address: faktura@datel.se

    Postal billing address:
    Transtema Datelab AB
    FE 865
    831 90 Östersund

    Transtema Foki AB

    Vagnsgatan 1
    745 37 Enköping

    Telefon: +46 (0) 31 310 80 00

    Transtema FOKI AB has extensive experience and specialist expertise in advanced fiber splicing, measurement, and documentation. We perform ABT06 and AB04 in fiber contracting. Foki AB has delivered high-quality solutions and value to its customers for many years.

    Geographical coverage: Eastern Mälardalen and Stockholm
    Transtema Foki AB is certified according to: ISO 9001, ISO 14001, ISO 45001, Certified Fiber Technicians (CFT), Robust Fiber.

    Org. no: 556452-9963

    Billing details:
    VAT no: SE556452996301
    Billing address: inbox.lev.855405@arkivplats.se

    Transtema Charge AB

    Flöjelbergsgatan 12
    431 37 Mölndal

    Telefon: +46 (0) 31 310 80 00

    Transtema Charge is a contracting and consulting company within electrical and telecommunications services. The company primarily works with sales, installation, operation, service, and maintenance of charging infrastructure for individuals, homeowners’ associations, and businesses. They also offer consultation in areas such as design, project management, construction management, electrical preparation, and inspection.

    Geographical coverage: Nationwide
    TNS is certified according to: ISO 9001, ISO 14001, ISO 45000, and Robust Fiber.

    Org. no: 559179-3772

    Billing details:
    VAT no: SE559179377201
    Billing address: tch.ekonomi@transtema.com

    Transtema Service & Underhåll AB

    Flöjelbergsgatan 12
    431 37 Mölndal

    Telefon: +46 (0) 300 719 99

    Transtema Service & Underhåll AB offers services within infrastructure for communication networks. We have a broad portfolio of competencies and can offer comprehensive solutions or specific parts of a project. In the aftermarket, we provide service, maintenance, and the development and optimization of networks. Our services are available to municipal networks, businesses, residential associations, private customers, and telecommunications operators.

    Geographical coverage: Nationwide

    Org. no: 556856-0568

    Billing details:
    VAT no: SE556856056801
    Billing address: tsu.fakturor@transtema.com

    Transtema Norge AS

    Fjellhamarveien 38
    1472 Fjellhamar

    Telefon: +47 22 82 08 70

    Transtema Norge handles large and complex telecom projects and offers consultancy, planning, expansion, and maintenance of infrastructures. Transtema Norge also offers services in IoT (Internet of Things), home automation, 5G, and has its own customer service center managing all inquiries from end customers.

    Geographical coverage: Norway
    Transtema Norge AS is certified according to: ISO 9001, 14001, and 45001

    Org. no: 991 386 343

    Transtema Group AB (publ)

    Flöjelbergsgatan 12
    431 37 Mölndal

    Telefon: +46 (0) 31 746 83 00

    Transtema Group is one of Sweden’s leading groups in building, maintaining, and managing various types of communication networks. The group was founded in 2014 and currently consists of several operating companies. The group has been listed on Nasdaq Small Cap since 2021.

    Org. no: 556988-0411

    Billing details:
    VAT no: SE556988041101