Ingenieurbüro Leiendecker

What Ingenieurbüro Leiendecker does

Ingenieurbüro Leiendecker is an owner-managed civil engineering consultancy founded in 2008 by Dipl.-Ing. M.Sc. Frank Leiendecker and headquartered in Bornheim-Kardorf (Köln/Bonn region), with a cooperation partner in Kirchhundem (Olpe area) covering Südwestfalen. The firm specializes in road construction and drainage/sewer infrastructure planning for German municipalities (Kommunen), development corporations (Erschließungsträger), and private clients, with adjacent expertise in sports facility planning, traffic assessments (Verkehrsgutachten), and full project lifecycle services from feasibility through documentation.

The company's service offering is organized around four clusters: Infrastruktur & Verkehr (roads, junctions, rehabilitation, bicycle and pedestrian paths); Erschließung & Wasser (development areas, stormwater retention, network calculations, flood verification, canal planning); Sportstättenplanung & Bau (sports facility construction and renovation); and Steuerung & Daten (engineering surveying, bidding/AVA, construction supervision, project management, and cost planning). Technical delivery relies on modern CAD professional software for precise visualization and a proprietary cost evaluation methodology — REM & CPM, developed through the founder's Master's thesis — that delivers unusually precise cost certainty in early planning phases.

Revenue is generated through project-based engineering services billed in accordance with HOAI (Honorarordnung für Architekten und Ingenieure), the official German fee schedule for architects and engineers. Distribution is direct and owner-led across a regional footprint (Rheinland and Südwestfalen), supported by a professional website and referral flow through Ingenieurkammer-Bau NRW and DWA memberships. The firm is a sole proprietorship with 3-10 employees, no external funding, no parent or subsidiary entities, and no disclosed acquisitions or M&A activity.

Name

Ingenieurbüro Leiendecker

Legal name

Ingenieurbüro Leiendecker

Website

https://ib-leiendecker.de

Company type

Private

Founded year

2008

Operating status

Operating

Headcount range

1–10 employees

Short description

Ingenieurbüro Leiendecker is a German owner-managed civil engineering consultancy founded in 2008, providing road, drainage, and sports facility infrastructure planning to municipalities, development corporations, and private clients in the Rheinland and Südwestfalen regions, billed under HOAI.

Ownership category

akta.pro rank

Product category

Civil Engineering Consulting

NAICS

Engineering Services (541330)

SIC

Services-Engineering Services (8711)

akta.pro primary industry

Civil & Structural Engineering Consulting (BPAHAIAA)

akta.pro secondary industry

Water, Wastewater & Hydraulics Engineering Consulting (BPAHAIAD)

Keywords

• Civil engineering consulting
• Road infrastructure planning
• Drainage system design
• Sports facility planning
• Municipal engineering services

Headquarters

HQ city

Bornheim-Kardorf

HQ country

Germany

HQ region

Europe

Offices2 records

Markets served

GTM type

B2B

Offering type

Services

Cost components

Personnel, Operations, Technology or R&D, Marketing or Sales, Infrastructure

Revenue model

1. Engineering Consulting Services: Project-based engineering services for infrastructure planning including road construction, drainage/sewer systems, and sports facilities. Billing follows HOAI (Honorarordnung für Architekten und Ingenieure) standards. Revenue is generated through one-time project fees across all phases of construction projects from feasibility studies to final documentation.

Pricing tiers

Go-to-market motion1 record

Distribution channels1 record

Marketing channels2 records

Core offering

Ingenieurbüro Leiendecker is a regional civil engineering consultancy providing integrated infrastructure planning services for road construction, drainage/sewer systems, and sports facilities. The firm delivers interdisciplinary project support across all phases — from feasibility study through bidding, construction supervision, and final documentation — using modern CAD software and a proprietary REM & CPM cost-evaluation methodology. Services are sold directly to municipalities (Kommunen), development corporations (Erschließungsträger), and private clients in the Rheinland and Südwestfalen regions of Germany, billed under the HOAI fee structure for architects and engineers.

Product overview

Ingenieurbüro Leiendecker is an owner-managed engineering consulting firm offering integrated civil engineering services for infrastructure projects in the Rheinland and Südwestfalen regions. The company provides a unified, full-service offering organized around four interconnected service clusters: (1) Infrastruktur & Verkehr covering road and junction planning, rehabilitation, and mobility concepts; (2) Erschließung & Wasser for development, drainage, and canal infrastructure; (3) Sportplatzbau & Freizeit for sports facility planning and construction; and (4) Steuerung & Daten for surveying, bidding, construction supervision, and project management. The firm differentiates through scientific cost evaluation methodologies (REM & CPM from a master's thesis) providing exceptional precision in early planning phases, and uses modern CAD software for technical visualization. All services are delivered through interdisciplinary project teams from the Bornheim (Cologne/Bonn area) and Kirchhundem (Olpe area) locations.

Differentiator

Problem solved

Functional benefit

Products and services

• Infrastruktur & Verkehr (Infrastructure & Transport) Planning services for roads, junctions, rehabilitation concepts, bicycle paths, and pedestrian walkways. Covers the full lifecycle from feasibility study to final construction planning using modern CAD technology for precise visualization. Targeted at municipalities, development corporations, and private clients undertaking public and private road infrastructure projects.
• Erschließung & Wasser (Development & Water) Development and drainage planning including new construction areas, stormwater retention, network calculations, pipe coordination, flood proof documentation (Überflutungsnachweis), and canal planning. Provides the infrastructure foundation for construction area development. Targeted at municipalities and development corporations undertaking new area servicing and drainage projects.
• Sportplatzbau & Freizeit (Sports Facility Construction & Recreation) Sports facility planning and construction services including outdoor facilities planning, artificial turf fields (Kunstrasenplätze), athletics facilities (Leichtathletik), field rehabilitation (Platzsanierung), drainage, and sports equipment. Targeted at clubs and municipalities investing in sports infrastructure.
• Steuerung & Daten (Control & Data) Engineering surveying (Ingenieursvermessung), bidding and award (AVA/Ausschreibung), construction supervision (Bauoberleitung), project management (Projektsteuerung), and cost planning services. Features scientifically evaluated cost parameters from a master's thesis (REM & CPM) providing exceptional precision in early planning phases. Targeted at all client segments requiring construction management oversight.
• Verkehrsgutachten (Traffic Expert Opinions) Traffic expert opinions and assessments for infrastructure projects, providing transportation planning expertise for municipal clients and private investors.
• Erschließungsmaßnahmen (Development Measures) Complete development measures for new construction areas, including technical infrastructure planning and coordination across road, drainage, and utility systems.
• Kanalbauplanung (Sewer Construction Planning) Complex sewer construction planning for drainage and sewage systems, supporting sustainable water management projects for municipalities and development corporations.

Quantifiable outcome

• Projects completed on time and within budget through scientific cost planning methodology

Named customers3 records

Segments3 records

Ideal customer profiles3 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature2 records

Partnerships

Two partnerships are on record, tiered minor.

• Ingenieurkammer-Bau Nordrhein-WestfalenminorOthersProfessional chamber membership for engineers in North Rhine-Westphalia. The company is registered with member number 720620. Provides professional credentials and regulatory compliance as required by German law for engineering services.
• DWA (Deutsche Vereinigung für Wasserwirtschaft, Abwasser und Abfall)minorOthersGerman Association for Water, Wastewater and Waste. Company holds membership number 20154. Provides professional network and industry standards alignment for water management and drainage engineering services.

Scale indicators2 records

Recent moves5 records

Expansion highlights4 records

Direct peers

• Ingenieurbüro Grassl: Mid-size German engineering office specializing in structural and civil infrastructure; comparable in service mix (road, bridge, drainage) and project-based HOAI-style delivery model.
• Tuttahs & Meyer Ingenieure: German engineering consultancy active in water management, road construction, and municipal infrastructure — overlapping service portfolio and customer base with Leiendecker.
• Björnsen Beratende Ingenieure: German engineering consultancy with deep focus on water, wastewater, and hydraulic infrastructure planning — directly comparable to Leiendecker's Erschließung & Wasser service cluster and its DWA-aligned profile.

Broad incumbents

• Arcadis: Global design and engineering consultancy with established German practice in water and mobility infrastructure; a broad incumbent competing for large municipal frameworks in NRW.
• WSP: Global engineering professional services firm with German offices covering transport, water, and urban development — competes with Leiendecker for infrastructure planning mandates.
• Sweco: Largest European engineering consultancy with substantial German operations across water, transport, and urban infrastructure; competes for the same municipal clients as Leiendecker at a national scale.
• AFRY: European engineering and design consultancy with a strong German footprint in infrastructure, water, and transport; comparable broad service portfolio at much larger scale.
• Dorsch Global (Dorsch Gruppe): German-headquartered international engineering group with heritage in water, transport, and urban infrastructure — operates as a larger, multi-disciplinary competitor for municipal and developer clients.

Market position

Strengths4 records

Weaknesses4 records

Competitive moat4 records

Key risks6 records

Key highlights6 records

Customer concentration

• LinkedInlinkedin.com/company/ingenieurb%C3%BCro-leiendecker

Revenue estimate

Valuation estimate

Number of profiles

Profiles3 records

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 Ingenieurbüro Leiendecker