Sei AB

ABActive

Org 5594370792Vännavägen 7, 861 91 TimråEngineering activities and related technical consultancy · NACE 7112Est. 20231 employees

Overview Financials People & ownership Related companies

Sei AB is a Swedish AB based in Timrå, operating in the Teknisk konsultverksamhet inom industriteknik sector. Incorporated in 2023, the company has 1 employees and reported revenue of SEK 658K in its latest annual filing.

Revenue 2025

SEK 658K

-48% vs 2024

EBITDA margin

25.8%

-74% vs 2024

Equity ratio

90.1%

Financial strength

Net profit 2025

SEK 111K

-78% vs 2024

EBITDA — year on year

SEK millions

Key figures

Annual report 2025

Revenue	SEK 658K	-48%
EBITDA	SEK 170K	-74%
Net profit	SEK 111K	-78%
Total assets	SEK 1,1M	-3%
Equity	SEK 1M	+12%
Employees	1	—

Contact

Address

Vännavägen 7, 861 91 Timrå

westerlund60@hotmail.com

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Frequently asked questions

What is the Org number of Sei AB?

Sei AB is registered with Bolagsverket / SCB under Org 5594370792.

What is the revenue of Sei AB?

Sei AB reported revenue of SEK 658K in 2025.

How many employees does Sei AB have?

Sei AB employs 1 people as of the latest annual report.

Who is the CEO of Sei AB?

Ingrid Marie Westerlund is Deputy Chief Executive Officer of Sei AB, in role since 2023.

Who is the chairman of Sei AB?

Lars Åke Westerlund chairs the board of Sei AB, in role since 2023.

Where is Sei AB headquartered?

Sei AB's registered address is Vännavägen 7.

Sei AB

EBITDA — year on year

Key figures

Company information

Contact

Frequently asked questions

More on Sei AB

EBITDA — year on year

Key figures

Company information

Contact

Frequently asked questions

More on Sei AB