Donges Group
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Donges Group - overview
Established
1872
Location
Frankfurt, -, Germany
Primary Industry
Construction
About
Donges Group is a construction company that specializes in developing and constructing steel structures for infrastructure and architectural projects, offering innovative solutions tailored to client needs. Founded in 1872 in Frankfurt, Germany, Donges Group operates in the steel construction industry, focusing on project-based contracts. The company has undergone strategic pivots in its operations to adapt to market demands and currently functions as a portfolio company of Mutares. The company has completed 2 deals, with the most recent deal occurring on October 4, 2021.
The company is connected to its founder's legacy; however, specific details about the founder and their prior ventures are not disclosed. Donges SteelTec specializes in the development and construction of steel structures, with a comprehensive range of products tailored for infrastructure and architectural applications. Their offerings include various types of bridges—road, railway, pedestrian, and cycle path—as well as high-rise buildings and industrial structures. These products are designed to meet construction challenges regarding durability, load-bearing capacity, and design flexibility.
Donges SteelTec serves a diverse clientele, including public sector entities and construction and architectural firms, primarily in Germany and across Europe, effectively addressing municipal and commercial project needs. In 2021, Donges Group reported a revenue of USD 69. 91 mn, with an EBITDA amount of USD -2. 25 mn for the same year.
Their revenue generation is primarily through B2B transactions, where tailored pricing agreements are established based on project scope and complexity, allowing for flexibility aligned with client needs. Donges Group aims to expand its footprint in the European market with plans to introduce new steel structure products designed for upcoming infrastructure projects. Investments from the recent acquisition of Norsilk SAS will be allocated to bolster their position as wood product suppliers in the French market. The strategic focus includes leveraging the capabilities of both companies while targeting further expansion into additional European regions by the end of 2022.
Current Investors
Mutares
Primary Industry
Construction
Sub Industries
Engineering, Construction, Steel & Metals
Website
www.donges-group.com
Verticals
Manufacturing
Total Amount Raised
Subscriber access only
Donges Group - timeline of key events

Donges Group - financials
| Fiscal Year Ended | Dec 31, 2010 | Dec 31, 2011 | Dec 31, 2012 | Dec 31, 2013 | Dec 31, 2014 | Dec 31, 2015 | Mar 31, 2016 | Dec 31, 2017 | Dec 31, 2018 | Dec 31, 2019 | Dec 31, 2020 | Dec 31, 2021 | Dec 31, 2022 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Revenue (USD) | 68,819,051.6 | 73,308,711.6 | 92,511,704.3 | 86,223,866.3 | 60,043,971.9 | 37,236,903.8 | 14,996,628.4 | 12,564,274.4 | 14,041,175.3 | 42,754,436.1 | - | - | - |
| % Revenue Growth (YoY) | - | 6.5% | 26.2% | (6.8%) | (30.4%) | (38.0%) | - | - | - | 204.5% | - | - | - |
| EBITDA (USD) | 6,619,280.4 | 4,446,667.1 | 3,966,391.8 | 3,642,028.9 | (50,003.9) | 598,150.6 | (450,249) | (2,133,218.6) | (3,070,962) | 12,616,873.3 | - | - | - |
| Operating Income (USD) | 4,190,009 | 2,637,109.6 | 2,526,353.1 | 2,346,996.6 | (1,455,008.1) | (482,435.3) | (712,004) | (2,873,906.4) | (4,149,164.8) | 11,704,128.9 | - | - | - |
| Operating Margin | 6.1% | 3.6% | 2.7% | 2.7% | (2.4%) | (1.3%) | (4.7%) | (22.9%) | (29.5%) | 27.4% | - | - | - |
| % EBITDA Margin | 9.6% | 6.1% | 4.3% | 4.2% | (0.1%) | 1.6% | (3.0%) | (17.0%) | (21.9%) | 29.5% | - | - | - |
| NET Income (USD) | 2,394,069.8 | 1,282,576.3 | 1,475,703.6 | 1,185,494.5 | (1,902,701.9) | (832,309.1) | (771,822.2) | (3,097,799.3) | (4,654,014.6) | 11,480,917 | - | - | - |
| % Net Margin | 3.5% | 1.7% | 1.6% | 1.4% | (3.2%) | (2.2%) | (5.1%) | (24.7%) | (33.1%) | 26.9% | - | - | - |
Donges Group - deals
| Deals Type | Deal Status | Target (s) | Deal Date | Investor(s) | Seller(s) | Deal size (Mn) | Enterprise value (Mn) | Post-money valuation (Mn) | EBITDA multiple (x) | Revenue multiple (x) | Lead partner (s) |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Trade Sale | Completed | Kalzip GmbH | - | ||||||||
| Trade Sale | Completed | FDT FlachdachTechnologie GmbH & Co. KG | - | ||||||||
| Trade Sale | Completed | Donges Group | - | ||||||||
| Add-on, Trade Sale | Completed | Permasteelisa S.p.A.'s Permasteelisa España S.A.U. | - | ||||||||
| Add-on | Completed | Ruukki Building Systems Oy | - |
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Donges Group - employee data

Donges Group - key contacts
| Name | Position | Start Date | End Date | Vcard | Bio | ||
|---|---|---|---|---|---|---|---|
| Group Chief Executive Officer & Board Member | BM |
BM Board Member
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