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Platom

Nuclear engineering, licensing and safety consulting for Finnish and European nuclear plants, utilities and regulators

Mikkeli, FinlandFounded 1998platom.fiWebsite technologies

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Highlights

  • New on EvolcAdded 2026-10-28

About Platom

Platom Oy is a Finnish nuclear expert company. Its services cover nuclear and radiation safety, nuclear licensing and qualification, engineering studies, safety modelling and analysis, system and plant design deliveries, project management and quality systems, safety culture and training, radiation safety expert services, and solutions for handling uranium hexafluoride (UF6). Its safety analysis work uses the APROS, TRACE and MELCOR modelling programs.

Customers are nuclear power plants, licensees, utilities, plant and technology suppliers, and authorities. The company sells expert services and system deliveries, and it works either as its own team, as part of a customer's organisation, or as a supplier.

Platom was founded in 1998 by Kalevi Puukko, and its headquarters is in Mikkeli, Finland. The company holds ISO 9001, ISO 14001 and ISO 45001 certifications and reports more than 25 years of experience and over 700 projects. In June 2026 it was announced that Platom is part of Sweco.

Product: Nuclear licensing, engineering, safety analysis, system design deliveries, project management, training and UF6 handling solutions

Public tenders won

1 tender won since 1 Jan 2024 from 1 public buyer in Finland, worth €15.0M as awarded. From EU award notices (TED) that name Platom by its registry number.

  • 30 Apr 2025 Helen Ltd · Helen Ltd´s Nuclear energy program - procurement of technical support services · €15.0M notice

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