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Reron-Fibertech A/S

Public limited companyCVR 30736281Nykøbing MActive

Reron-Fibertech A/S is a public limited company, based in Nykøbing M, active in construction of utility projects for electricity and telecommunications, founded in 2007. The company went from a profit in 2024 to a loss of DKK 2m in 2025. Measured by gross profit, it ranks no. 10 of 53 companies in the industry in the database. With 62 employees, the company is about 6 times larger than the industry median.

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Key figures · financial year 2025

Gross profitDKK 43.8m−5% vs. 2024
Net profit−DKK 2m−603.2% vs. 2024
EquityDKK 5.8m−25.5% vs. 2024
Employees62latest month from CVR

What has changed

calculated from recorded figures and dates

Financials: 2025 against 2024

  • Gross profit fell 5% (2024 → 2025), to DKK 43.8m.
  • Net profit went from a profit of DKK 396k to a loss of DKK 2m (2024 → 2025).
  • Equity fell 25% (2024 → 2025), to DKK 5.8m.

Employees

  • 6 fewer employees than a year earlier: 62 (08/2026) against 68 (08/2025).

Management and owners, last 24 months

  • New in management: Michael Nymann Nilsson (chair of the board, 24/06/2026).
  • Stepped down: Bent Anker Villumsen (chair of the board, 24/06/2026) and Ronny Lynggaard (board member, 22/04/2025).

Registrations, last 24 months

  • 10/04/2026: Merger registered in CVR
  • 01/01/2025: Industry changed to Construction of utility projects for electricity and telecommunications (422200)

Calculated from the latest two annual reports in sequence and from registrations in CVR. A figure that is missing in either year gives no line, and we derive no figures.

Financial statements

Financial years 2020–2025 · amounts in DKK thousand

Equity and net profit

−DKK 5mDKK 0DKK 5mDKK 10mDKK 15mDKK 20m202020212022202320242025
EquityNet profit
Financial figures for Reron-Fibertech A/S
202020212022202320242025Change
Revenuenot statednot statednot statednot statednot statednot stated–
Gross profit33,85542,07242,95137,65946,14943,847−5%
Operating profit (EBIT)11,49013,86210,4347,1172,581−1,503−158.3%
Profit before tax11,03613,77010,2616,942757−2,565−439%
Net profit8,60310,8098,0575,480396−1,995−603.2%
Total assets35,96541,93035,12127,46937,06032,607−12%
Equity15,41020,21918,57614,0557,8235,828−25.5%
Liabilities19,89221,32616,11413,23729,06326,779−7.9%
Cash and cash equivalents–––165040–
Average number of employees394656547973−7.6%

Source: annual reports filed with the Danish Business Authority (XBRL). Figures for the company (not the group); change is the latest year against the year before. “–” means the figure is not stated in the annual report. Revenue is not stated for 2020, 2021, 2022, 2023, 2024, 2025: smaller companies may omit it, and we do not derive it from other figures.

Download the figures as CSV · free with an account, amounts in whole DKK

DKK 0DKK 10mDKK 20mDKK 30mDKK 40mDKK 50m202020212022202320242025
Gross profitMedian, the industry (54 companies)

Annual reports

6 financial years
Annual reports for Reron-Fibertech A/S
Financial yearPeriodPublishedFigures forDocuments
202501/01/2025 – 31/12/202526/06/2026The companyPDF not statedXBRL
202401/01/2024 – 31/12/202426/04/2025The companyPDFXBRL
202301/01/2023 – 31/12/202313/03/2024The companyPDFXBRL
202201/01/2022 – 31/12/202224/03/2023The companyPDFXBRL
202101/01/2021 – 31/12/202110/03/2022The companyPDFXBRL
202001/01/2020 – 31/12/202015/03/2021The companyPDFXBRL

The figures from all the annual reports are shown on this page. The documents themselves (PDF and XBRL, the machine-readable edition) are downloaded with a Pro account: sign in or create a free account, and then choose Pro. XBRL is the edition the figures on the page are read from.

Employees

monthly figures from CVR
02040608010009/2310/2311/2312/2301/2402/2403/2404/2405/2406/2407/2408/2409/2410/2411/2412/2401/2502/2503/2504/2505/2506/2507/2508/2509/2510/2511/2512/2501/2602/2603/2604/2605/2606/2607/2608/26
Employees

Position in the industry

54 companies in the database

Comparison with the other companies in construction of utility projects for electricity and telecommunications based on the latest financial year.

Gross profitDKK 43.8mNo. 10 of 53
Better than 83% of the companies in the industry
EquityDKK 5.8mNo. 22 of 54
Better than 60% of the companies in the industry
Number of employees62No. 6 of 54
Better than 91% of the companies in the industry

Industry median: gross profit DKK 5.5m, net profit DKK 597k, equity DKK 2.8m, 10 employees.

DKK 371kDKK 3.9mDKK 40.6mDKK 424.9mDKK 2bnHere
Distribution of gross profit for 50 companies in the industry (latest financial year, logarithmic scale). Amber bar: where this company sits.

Compared with similar companies

size, age and company form
Rank among similar companies
GroupGross profitEquity
Companies with 50–199 employees4,467 companies in the comparison
No. 2,069of 4,412
Better than 53%
No. 3,250of 4,466
Better than 27%
Companies that are between 15 and 29 years old24,910 companies in the comparison
No. 1,635of 24,791
Better than 93%
No. 8,986of 24,909
Better than 64%
All companies of type A/S18,025 companies in the comparison
No. 3,268of 17,786
Better than 82%
No. 10,860of 18,024
Better than 40%

The rank is calculated among companies in the database with a figure for the latest financial year, and is shown only for groups of at least ten companies.

Compare with the industry

Construction of utility projects for electricity and telecommunications
Gross profit
  1. Reron-Fibertech A/SDKK 43.8m
  2. Ørsted Wind Power A/SDKK 4.4bn
  3. Tjæreborg Industri A/SDKK 116.9m
Net profit
  1. Reron-Fibertech A/S−DKK 2m
  2. Ørsted Wind Power A/SDKK 3.6bn
  3. Tjæreborg Industri A/SDKK 7.2m
Equity
  1. Reron-Fibertech A/SDKK 5.8m
  2. Ørsted Wind Power A/SDKK 24.7bn
  3. Tjæreborg Industri A/SDKK 70.9m
Employees
  1. Reron-Fibertech A/S62
  2. Ørsted Wind Power A/S1,198
  3. Tjæreborg Industri A/S152

Latest financial year per company. Choose up to three companies from the largest in the industry.

Owners and group

from the Public Ownership Register
Owners
  • Rene Lynggård Holding ApS66.67%
  • Kim Rusbjerg Holding ApS15%
  • FiberTech Holding ApS15%
Reron-Fibertech A/S
Subsidiaries and ownership shares

Subsidiaries are shown only if they are in the database.

Management

6 active registrations

Executive management

Executive management at Reron-Fibertech A/S
NameRoleAppointed
Rene LynggaardDirector08/08/2007

Board of directors

Board of directors at Reron-Fibertech A/S
NameRoleAppointed
Rene LynggaardBoard member08/08/2007
Lone LynggaardBoard member15/05/2012
Kim RusbjergBoard member09/03/2022
Jesper de la Cour Trans DammoseBoard member31/05/2024
Michael Nymann NilssonChair of the board24/06/2026
Founders
Ronny Lynggaard Holding ApS, Rene Lynggård Holding ApS
Former management (4)
Former management at Reron-Fibertech A/S
NameRoleAppointedResigned
Michael Walter HeltzenChair of the board08/08/200715/05/2012
Ronny LynggaardChair of the board15/05/201207/04/2016
Bent Anker VillumsenChair of the board08/04/201624/06/2026
Ronny LynggaardBoard member08/04/201622/04/2025

Signing rule: Selskabet tegnes af hele bestyrelsen i forening eller af en direktør.

Address and production units

1 active production units

Elsøvej 107
7900 Nykøbing M

Morsø Municipality · Postcode 7900

Other companies at the address (2)

  • Byggernyt ApSEngineering consultancy in construction and civil engineering
  • RT Entreprise ApSConstruction of utility projects for electricity and telecommunications
Production units
Production unitAddressEmployeesP number
Reron-Fibertech A/SElsøvej 107, Nykøbing Mors, 7900 Nykøbing M621013517785

Purpose

Selskabets formål er at sælge og udføre entreprisearbejder for elselskaber, telefonselskaber m.v. vedrørende lyslederkabelnetværk herunder udbygning, servicering, opdatering og reparation samt dermed beslægtet virksomhed.

The purpose is quoted from the register in Danish.

Changes year by year

38 registered events
20264 changesaccounts 1 · management 2 · merger 1
  • Annual report for 2025 published
  • Michael Nymann Nilsson appointed chair of the board
  • Bent Anker Villumsen stepped down as chair of the board
  • Merger registered in CVR
20253 changesaccounts 1 · management 1 · industry 1
  • Annual report for 2024 published
  • Ronny Lynggaard stepped down as board member
  • Industry changed to Construction of utility projects for electricity and telecommunications (422200)
20246 changesname 1 · merger 1 · capital 1 · management 1 · ownership 1 · accounts 1
  • Name changed from RERON A/S to Reron-Fibertech A/S
  • Merger registered in CVR
  • Share capital changed from 500,000 DKK to 600,000 DKK
  • Jesper de la Cour Trans Dammose appointed board member
  • FiberTech Holding ApS registered as owner (15%)
  • Annual report for 2023 published
20232 changesownership 1 · accounts 1
  • Kim Rusbjerg Holding ApS registered as owner (15%)
  • Annual report for 2022 published
20226 changesaddress 1 · ownership 3 · accounts 1 · management 1
  • Moved to Elsøvej 107, Nykøbing Mors, 7900 Nykøbing M
  • RENE LYNGGÅRD HOLDING ApS registered as owner (66.67%)
  • RONNY LYNGGAARD HOLDING ApS is no longer registered as owner
  • RENE LYNGGÅRD HOLDING ApS is no longer registered as owner
  • Annual report for 2021 published
  • Kim Rusbjerg appointed board member
20211 changeaccounts 1
  • Annual report for 2020 published
20163 changesmanagement 3
  • Ronny Lynggaard appointed board member
  • Bent Anker Villumsen appointed chair of the board
  • Ronny Lynggaard stepped down as chair of the board
20152 changesownership 2
  • RONNY LYNGGAARD HOLDING ApS registered as owner (50%)
  • RENE LYNGGÅRD HOLDING ApS registered as owner (50%)
20124 changesmanagement 3 · address 1
  • Lone Lynggaard appointed board member
  • Ronny Lynggaard appointed chair of the board
  • Michael Walter Heltzen stepped down as chair of the board
  • Moved to Harrehøjvej 10, Lødderup, 7900 Nykøbing M
20091 changeaddress 1
  • Moved to Venøvej 6, 7900 Nykøbing M
20081 changeindustry 1
  • Industry changed to Opførelse af bygninger (412000)
20075 changesindustry 1 · founded 1 · management 3
  • Industry changed to Bygge- og anlægsentreprenører (bortset fra nedrivnings- og jordarbejdsentreprenører) (452100)
  • Registered as RERON A/S
  • Rene Lynggaard appointed director
  • Rene Lynggaard appointed board member
  • Michael Walter Heltzen appointed chair of the board

Related companies

Same industry in Morsø

See all →

Same people in management

Source and updates

The information comes from the Danish Central Business Register (Danish Business Authority) and from annual reports filed with the Danish Business Authority. Last synchronised 24/10/2026.

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