Where is Diehl located?

Diehl is headquartered in Baumholder, Germany. It is registered at Havik 16, 47533 Kleve.

Which legal entities is Diehl associated with?

Diehl is associated with Diehl GmbH.

How many employees does Diehl have?

As of May 31, 2026, the latest employee count at Diehl is 44.

Where does Diehl rank among its competitors?

Diehl ranks 327th amongst 5692 active competitors, of which 16 are funded. It stands 11th in terms of total funding among its competitors. The most recent competitor to raise funding was Koch and Koch, which secured $948K in Feb, 2026.

Who are the top competitors of Diehl?

Diehl's top competitors include Emcor Group, Ferguson and SHINRYO CORPORATION (DUBAI BRANCH). Among them, Koch and Koch secured the most recent funding round in February, 2026.

Diehl - 2026 Company Profile, Team, Competitors & Financials

Diehl is an acquired company based in Baumholder (Germany), founded in 1933 by Wilhelm Diehl. It operates as a Provider of technical building systems including installation, maintenance, and energy solutions. The company has 5692 active competitors, including 16 funded and 329 that have exited. Its top competitors include companies like Emcor Group, Ferguson and SHINRYO CORPORATION (DUBAI BRANCH).

Company Details

Provider of technical building systems including installation, maintenance, and energy solutions. The company delivers services for heating, ventilation, air conditioning, sanitation, and electrical systems. It offers project development, project management, and maintenance for commercial and residential buildings. Services extend to renewable energy systems, including solar thermal, biomass, and photovoltaic technologies.

Website: diehl-gmbh.de
Social
Email ID: *****@diehl-gmbh.de
Phone Number: +49 **********
Registered Address: Havik 16, 47533 Kleve

Key Metrics

Founded Year

1933

Location

Baumholder, Germany

Stage

Acquired

Ranked

327^th among 5692 active competitors

Employee Count

44 as on May 31, 2026

Similar Companies

Emcor Group & 5832 more

Exit Details

Acquired by Apleona (May 27, 2024)

View Diehl's full profile

Diehl is associated with 1 legal entity given below:

Legal Entity Name	Date of Incorporation	Revenue	Latest Employee Count	Documents
Diehl GmbH CIN: HRB212940 , Germany, Active	Sep 01, 1994	-	10 (As on Dec 31, 2023)

Diehl got acquired by Apleona on May 27, 2024.

Click here to take a look at Diehl's acquisition in detail

Diehl has not raised any funding rounds yet.

The founders of Diehl is Wilhelm Diehl.

Here are the details of Diehl's key team members:

Wilhelm Diehl: Former Founder of Diehl.

View details of Diehl's Founder profiles and Board Members

Diehl's employee count trend

Diehl has 44 employees as of May 26. Here is Diehl's employee count trend over the years:

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Top competitors of Diehl include Emcor Group, Ferguson and SHINRYO CORPORATION (DUBAI BRANCH). Here is the list of Top 10 competitors of Diehl, ranked by Tracxn score:

Rank	Company Details	Short Description	Total Funding	Investors	Tracxn Score
1st	Emcor Group 1994, Norwalk (United States), Public	Builds, powers, services, and protects advanced industries with integrated solutions	-	-	58/100
2nd	Ferguson 1887, Zug (Switzerland), Public	Construction materials company	-	Trian Partners, Trian Investors 1	56/100
3rd	SHINRYO CORPORATION (DUBAI BRANCH) 2000, Japan, Unfunded	Provider of commercial electrical and plumbing work installation services	-	-	55/100
4th	Simpliwork 2018, Bengaluru (India), Series A	Provider of custom-designed, compliant offices with facility management and flexible leases	$2.53M	Darshita Landed Property, Neelanchal Properties ... & 22 others	54/100
5th	Premier Technical Services Group 2007, Castleford (United Kingdom), Acquired	Equipment services provider	-	Nationwide, Seneca EIS Portfolio Fund & 1 others	53/100
6th	Sweco 1994, Stockholm (Sweden), Public	Provider of architecture and engineering consultancy services	-	Latour, Europa	53/100
7th	Advanced Technology Services 1985, Peoria (United States), Series A	Provides industrial maintenance and MRO services	-	RFE Investment Partners, WestView Capital ... & 2 others	52/100
8th	Costain 1865, London (United Kingdom), Acquired	Provider of engineering consultancy services	-	Europa	52/100
9th	Koch and Koch 1991, Penn Valley (United States), Series D	Developer of residential, commercial, and public projects	$236M	United States Department of Agriculture	51/100
10th	Mecsia 2020, St Ives (United Kingdom), Late Stage	Provider of building maintenance services	-	Synova, Rockpool Investments	48/100
327th	Diehl 1933, Baumholder (Germany), Acquired	Provider of technical building systems including installation, maintenance, and energy solutions	-	-	25/100