AS · est 2019TrondheimParent · 3 subsidiaries
Brreg · companies
headcount series appears after two register changes
Roles from Brreg, shown for business contact only. No birth date is shown or exported (purpose limitation, GDPR Art. 6(1)(f)).
Brreg · company_people
5 registered roles
| Daglig leder | Kenneth Gjessingen Multiple boards Serial CEO | 2021-08-10 | |
| Styrets leder | Kristoffer Valde Multiple boards | 2023-01-27 | |
| Styremedlem | Kenneth Gjessingen Multiple boards Serial CEO | 2023-01-27 | |
| Styremedlem | Lars Christian Christensen Multiple boards | 2023-01-27 | |
| Styremedlem | Katinka Marie Richter Kolsaker | 2023-01-27 |
NOK, amounts in thousands
| 2024 | 2025 | ||
|---|---|---|---|
| Revenue | |||
| Operating result | −75 | ||
| Result before tax | 150 | ||
| Net result | 150 | ||
| Total assets | 3 627 | ||
| Equity | 637 |
| 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | ||
|---|---|---|---|---|---|---|---|
| Revenue | |||||||
| Operating result | −75 | ||||||
| Result before tax | 150 | ||||||
| Net result | 150 | ||||||
| Total assets | 3 627 | ||||||
| Equity | 637 |
Regnskapsregisteret · company_revenue · FY2024 (company)
register ledger · money
| 2026-08-17 | reg | accounts_filed: last_annual_accounts_year | 2024 -> 2025 |
| 2024 | 2025 | ||
|---|---|---|---|
| GJESSINGEN INVEST AS | 50 | 50 | — |
| VALDE AS | 50 | 50 | — |
| T.G.J INVEST AS | — | — | — |
| MULTIBIM AS | — | — | — |
| INNOCO LEDELSE AS | — | — | — |
| 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | ||
|---|---|---|---|---|---|---|---|
| GJESSINGEN INVEST AS | 31 | 31 | 31 | 53 | 50 | 50 | — |
| VALDE AS | 31 | 31 | 31 | 40 | 50 | 50 | — |
| T.G.J INVEST AS | 31 | 31 | 31 | — | — | — | — |
| MULTIBIM AS | 5 | 5 | 5 | 5 | — | — | — |
| INNOCO LEDELSE AS | 3 | 3 | 3 | 3 | — | — | — |
Aksjonærregisteret · company_ownership · 2025 · both directions
register ledger · owners
| 2023-12-31 | own− | T.G.J INVEST AS exited (held 31.0 pct) |
| 2024 | 2025 | 2026 | |
|---|---|---|---|
| auditor E.K. REVISJON AS 2026-06-23 | ● | ||
| accountant AIDER AS 2026-06-23 | ● |
| 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 | |
|---|---|---|---|---|---|---|---|
| auditor E.K. REVISJON AS 2026-06-23 | ● | ||||||
| accountant AIDER AS 2026-06-23 | ● |
Brreg · company_org_roles
No recorded tender wins.
Relevant open tenders — matched · NACE 41.000 ↔ CPVsubscribers sharpen matches with per-company keywords
open-tender matching (NACE ↔ CPV) awaits Intelligo's open-tenders view
Doffin/TED · company_tender_wins · 2026-08-19
No job ads on record in the last 12 months.
NAV Arbeidsplassen · company_job_ad_months
Group revenue kr 81.6MGroup net kr 671kTenders won 0Rolled up across the parent + 3 subsidiaries — Siero AS alone is kr 81.6M.
rollup estimate · filed konsernregnskap not yet in Intelligo
| Siero Platform AS | 100% | Computer programming activities | |
| Siero Eiendom AS | 100% | Development of building projects | kr 20k |
| Siero AS | 90% | Construction of residential and non-residential buildings | kr 81.6M |
Aksjonærregisteret · company_ownership · 2025 · both directions
This company's annual report has not been read yet. The filed figures above come from the accounts form; everything the board wrote around them is in the PDF, which is read on request.
Regnskapsregisteret (årsberetning) · company_annual_reports
registered 2020-01-27
Brreg · companies
register ledger · 2 events
| 2026-08-17 | reg | accounts_filed: last_annual_accounts_year | 2024 -> 2025 |
| 2023-12-31 | own− | T.G.J INVEST AS exited (held 31.0 pct) |
Skiwo · company_events