REVISJONSFIRMAET FLATTUM & CO AS

Org. no. 894 934 352 · Private limited company (AS) · Active · St. Olavs gate 25, 0166, OSLO · OSLO · 69.201 – Auditing activities

ActiveVAT registeredRegister of Business Enterprises

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Organisation form: AS
Employees: 18
Established: 21 December 2009
Municipality: OSLO
Industry code: 69.201

REVISJONSFIRMAET FLATTUM & CO AS is a private limited company (as) registered in OSLO since 2009. The organisation number is 894 934 352. The register lists 18 employees. The latest submitted annual accounts are for 2025.

Source: The Brønnøysund Register Centre · Last updated 6 November 2026 at 09:04

Overview

Quick overview

Status and key figures

Based on the latest submitted annual accounts (2025) and registry data.

Liquidity

Strong

2.32

How the figure is assessed

Current assets divided by current liabilities. Below 1.0 is weak, 1.0–1.5 needs attention and 1.5 or more is strong.

Profitability

Strong

28.9 %

How the figure is assessed

Operating profit divided by operating revenue. Below 0% is weak, 0–10% needs attention and 10% or more is strong.

Solidity

Strong

59.6 %

How the figure is assessed

Equity divided by assets. Below 10% is weak, 10–30% needs attention and 30% or more is strong.

Operating revenue: 37.4 m NOK; +5 % vs. the year before
Net result: 11.1 m NOK; Fiscal year 2025
Equity: 17.6 m NOK; Fiscal year 2025
Status: Active; Central Coordinating Register
Employees: 18; Registered in the Central Coordinating Register
Founded: 21 December 2009
Place: OSLO
Industry: Auditing activities; 69.201
Public contracts: –
Roles: 5; People and entities

The gauges are calculated key figures with open thresholds, not a credit assessment. All amounts come from the Register of Company Accounts.

Calculated by us

Proffi Risk Indicator

av 100

Low risk

Based on status, solvency, liquidity, profitability, trend and how recent the accounts are. Public register data only.

This is an indicative assessment, not a credit rating. It does not replace your own due diligence before entering into an agreement.

Proffi+

Proffi estimated value

Calculating …

Indicative model estimate based on public accounting figures and typical industry multiples. Not an appraisal, a valuation or investment advice.

Development

Revenue and profit

RevenueResult

Development

Solvency and profitability (%)

SolidityProfitability

Registry data

Visiting and postal address

Business address

St. Olavs gate 250166 OSLOOSLO municipalityNorge

Postal address

Postboks 62 Sentrum0101 OSLOOSLO municipalityNorge

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Industry

Industry and sector

69.201
Auditing activities(main industry)
M Real estate activities › 69 Legal and accounting activities › 69.2 Accounting, bookkeeping and auditing activities; tax consultancy › 69.20 Accounting, bookkeeping and auditing activities; tax consultancy
See the industry: largest companies and key figures →
What does this industry cover?
Omfatter: Klargjøring eller revisjon av årsregnskaper. Revisjon av regnskaper og bekreftelse i form av revisjonspåtegning.

Institutional sector code: Private aksjeselskaper mv. (2100)

Statutory purpose

Revisjon og rådgivningsvirksomhet, regnskapsføring, samt det som hermed står i forbindelse, herunder deltagelse i andre selskaper med samme eller lignende formål samt investering i aksjer og verdipapirer.

Registry status

Registrations and status

Registered in the Register of Business Enterprises
Registered in the VAT register
Registered in the Register of Non-Profit Organisations
Registered in the Register of Foundations
Bankruptcy
In liquidation
In compulsory liquidation

Experiences

Reviews

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Accounts

Financial overview

Accounts and key figures

Fiscal year 2025 · Amounts in NOK

Data basis

3 stored years

Liquidity

Strong

2.32

How the figure is assessed

Current assets divided by current liabilities. Below 1.0 is weak, 1.0–1.5 needs attention and 1.5 or more is strong.

Profitability

Strong

28.9 %

How the figure is assessed

Operating profit divided by operating revenue. Below 0% is weak, 0–10% needs attention and 10% or more is strong.

Solidity

Strong

59.6 %

How the figure is assessed

Equity divided by assets. Below 10% is weak, 10–30% needs attention and 30% or more is strong.

Key numbers and development

Only reported amounts from the Register of Company Accounts

Accounting item	2025	2024	2023
Operating revenue	37,353,513	35,559,519	34,785,687
Operating profit	10,797,161	10,142,152	9,894,777
Profit before tax	11,062,163	10,283,701	10,040,185
Net result	11,058,062	10,254,506	10,013,496
Total assets	29,569,858	27,724,849	26,294,856
Equity	17,636,844	18,660,086	18,380,329
Liabilities	11,933,014	9,064,763	7,914,527

The gauges are calculated key figures with open thresholds. They are not a credit assessment.

Graphical analysis

3 fiscal years (2023–2025)

Operating revenue 2025: 37,353,513 NOK
Net result 2025: 11,058,062 NOK
Revenue growth: 5 %

Revenue and profit

Amounts in NOK

Operating margin

Calculated by us, in percent

Equity and liabilities

Balance sheet in NOK

Annual accounts 2025

Period 2025-01-01 to 2025-12-31. Currency NOK. Audited annual accounts.

Income statement

Total operating revenue	37,353,513 NOK
Total operating expenses	26,556,352 NOK
Operating profit	10,797,161 NOK
Net financial items	265,002 NOK
Profit before tax	11,062,163 NOK
Net result	11,058,062 NOK

Assets

Total fixed assets	1,859,701 NOK
Total current assets	27,710,157 NOK
Total assets	29,569,858 NOK

Equity and liabilities

Paid-in equity	250,000 NOK
Retained earnings	17,386,844 NOK
Total equity	17,636,844 NOK
Current liabilities	11,933,014 NOK
Total debt	11,933,014 NOK
Total equity and liabilities	29,569,858 NOK

Annual accounts 2024

Period 2024-01-01 to 2024-12-31. Currency NOK. Audited annual accounts.

Income statement

Total operating revenue	35,559,519 NOK
Total operating expenses	25,417,367 NOK
Operating profit	10,142,152 NOK
Total financial income	193,589 NOK
Total financial expenses	52,040 NOK
Net financial items	141,549 NOK
Profit before tax	10,283,701 NOK
Net result	10,254,506 NOK

Assets

Total fixed assets	1,107,554 NOK
Total current assets	26,617,295 NOK
Total assets	27,724,849 NOK

Equity and liabilities

Paid-in equity	300,000 NOK
Retained earnings	18,360,086 NOK
Total equity	18,660,086 NOK
Current liabilities	9,064,763 NOK
Long-term liabilities	0 NOK
Total debt	9,064,763 NOK
Total equity and liabilities	27,724,849 NOK

Annual accounts 2023

Period 2023-01-01 to 2023-12-31. Currency NOK. Audited annual accounts.

Income statement

Total operating revenue	34,785,687 NOK
Total operating expenses	24,890,910 NOK
Operating profit	9,894,777 NOK
Total financial income	192,991 NOK
Total financial expenses	47,583 NOK
Net financial items	145,408 NOK
Profit before tax	10,040,185 NOK
Net result	10,013,496 NOK

Assets

Total fixed assets	289,907 NOK
Total current assets	26,004,949 NOK
Total assets	26,294,856 NOK

Equity and liabilities

Paid-in equity	300,000 NOK
Retained earnings	18,080,329 NOK
Total equity	18,380,329 NOK
Current liabilities	7,914,527 NOK
Long-term liabilities	0 NOK
Total debt	7,914,527 NOK
Total equity and liabilities	26,294,856 NOK

Source: Register of Company Accounts, Brønnøysund Register Centre. Figures are shown as submitted, and historical years are never overwritten by newer submissions.

Key figures

Calculated by us

Key figures

Key figures	2025	2024	2023
Revenue growthChange in total operating revenue from the previous fiscal year.	5 %	2.2 %	–
Operating marginOperating profit divided by total operating revenue.	28.9 %	28.5 %	28.4 %
Profit marginOrdinary profit before tax divided by total operating revenue.	29.6 %	28.9 %	28.9 %
Equity ratioTotal equity divided by total assets.	59.6 %	67.3 %	69.9 %
Current ratioTotal current assets divided by total current liabilities.	2.32	2.94	3.29
Debt ratioTotal liabilities divided by total equity.	0.68	0.49	0.43
Return on assetsOrdinary profit before tax plus financial expenses, divided by total assets.	–	37.3 %	38.4 %
Return on equityNet profit divided by total equity.	62.7 %	55 %	54.5 %

About the calculation

The key figures are calculated by us (formula version v1) from public accounts in the Register of Company Accounts. A figure is only calculated when all input values exist and the denominator is not zero. The figures are not a credit assessment.

Roles and owners

Registry data

Roles

Chief executive officer

Chief executive officerThorbjørn Grindhaug

Board

Chair of the boardØyvind Baltzersen
Board memberThorbjørn Grindhaug
Board memberEirik Skjølberg

Auditor

AuditorLARS HARALD BRINCHMANN

Source: The Brønnøysund Register Centre. We only show name and role as published by the register – never date of birth or private address.

Organisation

Structure

Organisation structure

Entity type: Main entity
Parent entity: Not stated
Number of sub-units: 2

Overview

Structure map

REVISJONSFIRMAET FLATTUM & CO AS

FLATTUM & CO AS
OSLO · 18 employees
REVISJONSFIRMAET FLATTUM & CO AS
GEILO

Registry data

Sub-units

Name	Org. no.	Place	Employees
FLATTUM & CO ASAuditing activities	994 953 842	OSLO	18
REVISJONSFIRMAET FLATTUM & CO ASAuditing activities	936 331 203	GEILO	–

More about the company

This has not been registered yet. We never show made-up information.

Services and products
The company has not added any services yet.
Public approvals
Not in the Norwegian Building Authority's central approval register.
Public contracts
No notices found in TED where the company is a supplier or contracting authority.
Registered changes
We show changes from the Brønnøysund Register Centre's change log from the next registered change.
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Transparency

Sources and data quality

Company information
Brønnøysund Register Centre · Public register
Last retrieved 6 November 2026 at 09:04
Open official source
Roles
Brønnøysund Register Centre · Public register
Last retrieved 6 November 2026 at 09:04
Open official source
Accounts and key figures
Register of Company Accounts · Public register
Last retrieved 6 November 2026 at 09:04
Open official source
Address (verified)
Norwegian Mapping Authority – Geonorge address API · Public register
Last retrieved 6 November 2026 at 09:04
Open official source
Central approval
Norwegian Building Authority (DiBK) · No approval found
Last retrieved 6 November 2026 at 09:04
Open official source
Industry standard (SN2007)
Statistics Norway – KLASS · Official standard
Last retrieved 6 November 2026 at 09:04
Open official source

Public registry data is updated periodically and cannot be changed by the company. Calculated figures are marked “Calculated by us”.

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Source

Public registry fields on this page come from the Central Coordinating Register and cannot be changed by the company. Self-reported content is marked separately.

Read about the data sources

Overview

Status and key figures

Liquidity

Profitability

Solidity

Proffi Risk Indicator

Proffi estimated value

Company information

Visiting and postal address

Business address

Postal address

Industry and sector

Statutory purpose

Registrations and status

Reviews

Write a review

Accounts

Accounts and key figures

Liquidity

Profitability

Solidity

Key numbers and development

3 fiscal years (2023–2025)

Revenue and profit

Operating margin

Equity and liabilities

Annual accounts 2025

Income statement

Assets

Equity and liabilities

Annual accounts 2024

Income statement

Assets

Equity and liabilities

Annual accounts 2023

Income statement

Assets

Equity and liabilities

Key figures

Key figures

Roles and owners

Roles

Chief executive officer

Board

Auditor

Organisation

Organisation structure

Structure map

Sub-units

More about the company

Sources and data quality

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