What Schmidt-Diehler does

W. Schmidt-Diehler GmbH is a privately held German construction company headquartered in Bad Soden am Taunus, founded in 1874 and operated as a GmbH under sole managing director Samir Muratovic. The company delivers a full-spectrum building construction offering across the Rhein-Main/Frankfurt am Main region and nationwide Germany, spanning Hochbau (structural/superstructure work), Tiefbau (civil engineering and earthworks), Schlüsselfertigbau (turnkey construction from planning through handover), Sanierung (refurbishment and modernization), Projektentwicklung (in-house property development), and Nachhaltiges Bauen (sustainable/energy-efficient construction to KfW 40 and QNG-Plus standards). A dedicated Bau von Rechenzentren (data center construction) line applies specialized waterproof concrete systems (Weiße Wanne per DAfStb-WU guidelines), SB3-grade exposed concrete, and quality standards exceeding German DIN norms (e.g., FM3/TR34) to digital infrastructure projects.

The company's core technology is rooted in trade expertise rather than software: reinforced concrete shell construction, complex waterproofing for below-grade structures, high-surface-quality architectural concrete, and energy-efficient building envelopes incorporating photovoltaic, heat pump, and underfloor heating systems. The firm operates with a workforce of over 150 employees and reports stable and profitable annual revenue of 60-80 million EUR, primarily from one-time project-based contracts.

Revenue is generated entirely through project-based, quote-driven contracts with no standardized pricing tiers, sourced via direct enterprise sales, public tenders, and long-term client relationships. Customer segments are diversified across enterprise real estate developers (Instone Real Estate), municipal and federal government clients (City of Ludwigshafen police headquarters, Stadtentwicklungsgesellschaft Wiesbaden, DKFZ research buildings in Heidelberg), and hospitality and commercial operators. In addition to pure construction services, Schmidt-Diehler pursues its own property development (residential condominiums, commercial properties) in the Rhein-Main area, blending development profits with construction revenue under a single integrated delivery model.

Name

Schmidt-Diehler

Legal name

W. Schmidt-Diehler GmbH

Website

https://schmidt-diehler.de

Company type

Private

Founded year

1874

Operating status

Operating

Headcount range

51–100 employees

Short description

Schmidt-Diehler is a 150-year-old German construction company in the Rhein-Main region offering full-service building construction, civil engineering, data center shell construction, turnkey delivery, and in-house property development, serving enterprise developers, municipalities, and public-sector clients across Germany.

Ownership category

akta.pro rank

Headquarters

HQ city

Bad Soden Am Taunus

HQ country

Germany

HQ region

Europe

Offices1 record

Markets served

GTM type

B2B

Offering type

Services

Cost components

Personnel, Supply Chain, Operations, Infrastructure, Marketing or Sales

Revenue model

1. Construction Services - Shell Construction: One-time project-based revenue from shell construction services including reinforced concrete work, masonry, earthworks, and waterproofing for residential, commercial, industrial, and public construction projects.
2. Turnkey Construction: Complete turnkey construction services from planning through handover, generating project-based revenue for residential and commercial developments.
3. Project Development: Self-developed property projects including residential condominiums and commercial properties for sale, generating development profits alongside construction revenue.

Go-to-market motion1 record

Distribution channels1 record

Marketing channels5 records

Core offering

Schmidt-Diehler is a German general contractor delivering building construction, civil engineering, and turnkey construction services for commercial, residential, public, and specialized data center clients. The firm additionally executes project development, refurbishment, and sustainable / energy-efficient building projects, with self-performed crews covering a large share of works including waterproof concrete, exposed SB3 concrete, and prefabricated elements.

Product overview

Schmidt-Diehler is a construction company offering a comprehensive portfolio of building services, not a software product company. The core offering consists of Hochbau (building construction), Tiefbau (civil engineering), Bau von Rechenzentren (data center construction), Schlüsselfertigbau (turnkey construction), Projektentwicklung (project development), Sanierung (refurbishment), and Nachhaltiges Bauen (sustainable building). Projects span residential complexes, commercial buildings, public facilities (schools, swimming pools, police headquarters), research centers, nursing homes, and data centers throughout the Rhine-Main region and Germany.

Differentiator

Problem solved

Functional benefit

Products and services

• Building Construction (Hochbau)

Named customers5 records

Segments4 records

Ideal customer profiles3 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature3 records

Partnerships

Three partnerships are on record, tiered minor.

• VBU (Bauwirtschaft Hessen e.V.)minorOthersIndustry association membership representing construction businesses in Hessen. Logo displayed on company website as part of memberships and certifications section.
• PQ-Verein (Präqualifikationsverfahren)minorOthersPre-qualification system for construction companies in Germany, demonstrating company meets quality and reliability standards for public sector contracts.
• HWK Rhein-Main (Handwerkskammer)minorOthersChamber of Crafts membership for the Rhine-Main region, representing craft and trade businesses including construction companies.

Scale indicators4 records

Recent moves6 records

Expansion highlights5 records

Direct peers

• W. Markgraf GmbH & Co. KG Bauunternehmung: Mid-sized German general contractor headquartered in Bavaria, delivering building construction, civil engineering, turnkey projects, and refurbishment across southern Germany — directly comparable size, service portfolio, and Mittelstand positioning to Schmidt-Diehler.
• Wolff & Müller Gruppe: Family-owned German construction company with building construction, civil engineering, turnkey and refurbishment services plus own real estate development. Direct comparable on integrated developer/contractor model.
• Leonhard Weiss GmbH & Co. KG: Large German construction group covering building construction, civil engineering, road construction, and turnkey projects — directly comparable service portfolio though somewhat larger and more geographically diversified.
• Max Bögl: Mid-to-large German construction and technology company with building construction, civil engineering, turnkey, and sustainable building capabilities. Comparable integrated offerings including high-efficiency construction standards.
• Köster GmbH: German general contractor offering shell construction, turnkey building, civil engineering, and project development nationwide. Closely comparable in offerings, project mix, and family/Mittelstand ownership profile.

Broad incumbents

• Hochtief AG: One of Germany's largest construction groups, with building, civil, and infrastructure construction plus concessions. Significantly larger scale and public listing make it a broad incumbent rather than direct comparable.
• BAM Deutschland: German arm of Royal BAM Group, providing general building construction, civil engineering, and turnkey services. Comparable service offerings with broader international backing and larger project capacity.
• Ed. Züblin AG: Major German/Austrian general contractor (Strabag subsidiary) covering building and civil engineering nationwide and internationally. Much larger scale and broader service portfolio, competing in same tenders.
• Goldbeck GmbH: Large German construction firm specializing in commercial/industrial building construction with systemized methods. Broader scale, larger geographic footprint, and portfolio approach compared to Schmidt-Diehler.

Emerging players

• DPR Construction: US-based technical builder with strong data center specialization, similar in pursuing high-specification technical construction. Geographic and scale differences make it an emerging/niche comparable rather than direct competitor.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat4 records

Key risks6 records

Key highlights7 records

Customer concentration

• Facebookfacebook.com/W.SchmidtDiehlerGmbH
• LinkedInlinkedin.com/company/w-schmidt-diehler-gmbh
• Instagraminstagram.com/w.schmidtdiehlergmbh

Revenue estimate

Valuation estimate

Number of profiles

Profiles1 record

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Schmidt-Diehler