Private · Company · Aksjeselskap

Mainmast AS

928 349 217 ↗Other technical consultancy · NACE 71.129Oslo

ActiveRegistered 2021Parent · 6 subsidiariesSimilar companies →

Status

● Active

Founded

2021

Group revenue

kr 47.4M

Group net

kr -2.32M

Structure

Parent · 6 subsidiaries

↳ Brreg · companies

Parent of 6 companiesHavkonsult AS · Oceans5 AS · O5 Invest AS

Activitylast 24 mo

No job-ad activity on file

totals on file · ads-over-time series not yet in Intelligo

Registry changes

Accounts filed · sisteInnsendteAarsregnskap2024 → 20252026-07-09

NAV + JobStream · company_hiring · Brreg · company_changes

accounts_filed: sisteInnsendteAarsregnskap2024 -> 2025Registry · 2026-07-09

PES: AS acquired 25.0 pctNew owner · 2022-12-31

HAVIS AS acquired 25.0 pctNew owner · 2022-12-31

RADIX AS acquired 25.0 pctNew owner · 2022-12-31

ENNA AS exited (held 50.0 pct)Owner exit · 2022-12-31

Skiwo · company_events

No job ads on record in the last 12 months.

NAV Arbeidsplassen · company_job_ad_months

Oslo

municipality only · street address + coordinates not yet in Intelligo

Brreg · registered municipality