Sebastian Williamm Koyer

4 active roles at 2 companies, 2 former companies

Active roles: 4Executive board 2, Board of directors 1, Owner 1
Registered owner now: 1 company5% or more, as CVR registers owners
Founder (Stifter): 1 company
First role registered: 2008

Active Roles

Jacob Post Styret Underboring A/S

CVR 28666543Public limited companyAnlæg af ledningsnet til elektricitet og telekommunikation27 employees (Aug 2026)

Executive board since 14 May 2025, Board of directors since 14 May 2025

Koyer Holding ApS

CVR 46243234Private limited companyIkke-finansielle holdingselskaber

Executive board since 6 Feb 2026, Owner, 100% of capital and votes, since 6 Feb 2026, Founded 6 Feb 2026

Network

Nobody else holds a current role in, or owns 5% or more of, two or more of Sebastian Williamm Koyer's current companies, and none of them owns another.

Roles Over Time

Jacob Post Styret Underboring A/S: Executive board, 14 May 2025 to today; Board of directors, 14 May 2025 to today.
Koyer Holding ApS: Executive board, 6 Feb 2026 to today; Owner, 6 Feb 2026 to today.

14 May 2025 to 9 Nov 2026.

Former (2)

Striped Boa Transforming: Partner, 14 Jan 2020 to 16 Jan 2023.
MOTORVEJSCENTERSELSKABET AF 1990 A/S: Board of directors, 28 May 2008 to 15 May 2017; Executive board, 28 May 2008 to 15 May 2017.

28 May 2008 to 9 Nov 2026.

Executive board (Direktion)Board of directors (Bestyrelse)Other rolesEach bar is one role, from its start to its end or today. Bars in a group share one scale. Source: CVR.

Former Roles (2)

MOTORVEJSCENTERSELSKABET AF 1990 A/SDissolved after mergerCVR 15947306Board of directors 28 May 2008 to 15 May 2017, Executive board 28 May 2008 to 15 May 2017

Striped Boa TransformingCeasedCVR 41074612Partner 14 Jan 2020 to 16 Jan 2023

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Dandex is Danish company data. Connect it once and ask about Sebastian Williamm Koyer, or anyone in the Danish registry, from your assistant, the API or the command line. Answers come from the current record: every registered role, the people around each company, and each company's owners and financials.

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Compiled by Dandex from the Central Business Register (CVR), Erhvervsstyrelsen.