Private · Company · Aksjeselskap

HAFSLUND CELSIO AS

977 296 919 ↗Steam and air conditioning supply · NACE 35.300Oslowww.celsio.no ↗
ActiveRegistered 1997271 employeesParent · 3 subsidiariesSimilar companies →
Founded
1997-02-24
Last accounts
FY2025
Municipality
Oslo
Former name
HAFSLUND OSLO CELSIO AS
↳ Brreg · companies
Won a public contractJun 2026 · SYKEHUSINNKJØP HFParent of 3 companies922191387 · HOVINBYEN ENERGY HUB AS · OF ENERGI AS

MoneyNOK

Group revenue
kr 2.44bn
Group net
kr -63.2M
Tenders won
3
Rolled up across the parent + 3 subsidiaries — OF ENERGI AS alone is kr 8.57M.
rollup estimate · filed konsernregnskap not yet in Intelligo
Regnskapsregisteret · rollup across ownership edges (estimate)

Activitylast 24 mo

3
11 vacancies · last ad 2026-07-05
totals on file · ads-over-time series not yet in Intelligo
Registry changes
Employees256 → 2712026-07-25
Field change · registreringsdatoAntallAnsatteEnhetsregisteret2026-06-13 → 2026-07-152026-07-18
Employees256 → 2712026-07-18
Field change · registreringsdatoAntallAnsatteNAVAaregisteret2026-06-10 → 2026-07-102026-07-18
Field change · registreringsdatoAntallAnsatteNAVAaregisteret2026-05-10 → 2026-06-102026-06-24
NAV + JobStream · company_hiring · Brreg · company_changes

Tenders3 wins · 0 losses

Won — buyer SYKEHUSINNKJØP HF
2026-06-14Doffin 2026-110567 ↗confidence: high
Won — buyer SYKEHUSINNKJØP HF
2024-03-14Doffin 2024-103826 ↗confidence: high
Won — buyer SYKEHUSINNKJØP HF
2023-03-28Doffin 2023-664133 ↗confidence: low
Open ↓ · 4 notices they've published
Invitation to a market dialogue regarding sub-contract 07 Ground and foundations for a CO2 terminal.
deadline —Amalie Baardseth
Market dialogue (RFI) Skygard Energy Central
deadline —Eirik Søraa
Invitation to market dialogue regarding sub-contract 06 Technical buildings and foundations in the CCS project.
deadline —Amalie Baardseth
Market dialogue RFI Heat pumps
deadline —Rolf Olsen
Relevant open tenders — matched NACE 35.300 ↔ CPV
subscribers sharpen matches with per-company keywords
open-tender matching (NACE ↔ CPV) awaits Intelligo's open-tenders view
Doffin/TED · company_tender_wins · 2026-07-30

Structureparent

Owns ↓ · 3 subsidiaries
Owned by ↑ · top 4
HAFSLUND AS
55.8%
HV CELSIO HOLDING AS
18.6%
IN OSLO ENERGI BIDCO AS
18.6%
CCS FINANSIERING AS
7.0%
Aksjonærregisteret · company_ownership · 2025 · both directions

LocationOslo

Oslo
municipality only · street address + coordinates not yet in Intelligo
Brreg · registered municipality
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