mynth
05/2026

SERTION acquired by ALTOR

SWEDEN Industrial Services / Other Works / Welding & Piping Services REV 2.5b - 5b SEK

Context

Altor, through its investment vehicle Altor Fund VI, acquires a majority stake in Sertion, with entrepreneurs and management reinvesting meaningfully and remaining key owners. The transaction is expected to accelerate Sertion's next phase of growth across existing markets and into new geographies, leveraging Altor's expertise and resources to support the company's expansion. The partnership will enable Sertion to further strengthen its market position, driven by its strong local entrepreneurship and the advantages of scale. With Altor's support, Sertion is well-positioned to continue its above-market growth and strategic expansion, while maintaining its focus on delivering high-quality services to its customers. The transaction is subject to customary regulatory approvals and is expected to close in the near future. The strategic rationale behind the deal is to create a leading Nordic platform for complex pipework services, with a strong focus on technical expertise, customer proximity, and operational performance. The deal has significant market implications, as it is expected to drive growth and consolidation in the Nordic pipework services market, while also creating new opportunities for Sertion to expand into new markets and geographies.

SERTION, which reported an EBITDA margin of in 2025, is valued in this transaction at an EV/EBITDA multiple of , a level to compare with the average currently observed in the Business Services sector (11.4x).

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Target

Sertion AB is a leading Nordic specialist in complex pipework services, serving a broad range of commercial, industrial, and infrastructure end-markets where reliability, technical expertise, and safety are essential. The company operates across the full pipework value chain, from engineering and prefabrication to installation, service, and ongoing operations, delivering its services through 16 local entities and approximately 1,000 full-time employees across Sweden, Norway, and Denmark. Sertion combines strong local entrepreneurship with the advantages of scale, enabling market-leading customer proximity and operational performance. The company has demonstrated consistently strong organic growth and margin expansion, with a proven track record of delivering high-quality services to its customers. With its deep technical expertise and complementary services across local entities, Sertion is well-positioned to continue its above-market growth and strategic expansion, supported by a proven and experienced management team.

Ent. Value

Equity Value

Multiples

EV / Revenue

EV / EBITDA

EV / EBIT

Historical Financials (SEK)

Year
Rev
EBITDA
EBIT
2025
2024

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REFERENCES

Revenue range: 2.5b - 5b SEK

Note: This page provides detailed data on a private equity M&A transaction. Detailed and exact financial metrics for the acquisition of SERTION by ALTOR are reserved for mynth community members. Register for free to unlock full data.

Authors: This transaction was contributed by a verified mynth contributor and cross-checked against available transaction documents and official company communications.

Press release: view release

Target: sertion

Acquirer: altor