BIT Bauwerkserhaltung GmbH

What BIT Bauwerkserhaltung GmbH does

BIT Bauwerkserhaltung GmbH is a Hamburg-based, privately-held mid-sized construction firm specializing in the repair and restoration of engineering structures. Founded in 1999, the company focuses on three core technical competencies: Betoninstandsetzung (concrete restoration), Bauwerksabdichtung (structural waterproofing), and GFK-Arbeiten (glass-fiber reinforced polymer work). These core capabilities are applied across specialized project categories including tunnel structures, coastal protection works, municipal disposal facilities, bridges, parking structures, facades, balconies, and masonry.

The company positions itself as a specialist subcontractor for both the construction industry and the public sector (Öffentliche Hand). BIT operates an enterprise field sales model, engaging directly with public sector clients and construction companies on a project-by-project basis through tenders and project inquiries. Services are contracted based on individual quotation tied to scope and complexity. The company cites 3,218 completed projects and 25 years of operating history as evidence of its qualifications, alongside memberships in industry bodies including the Handwerkskammer Hamburg and Bau-Innung Hamburg.

Revenue is generated entirely through project-based construction services contracts. BIT operates from a single headquarters location at Großmoorring 13-15, 21079 Hamburg, and its market footprint is concentrated domestically within Germany. No external investment, parent company, or public capital structure is indicated in available materials; the company is represented in the commercial register by Elke Richter and operates as an independent Mittelstand enterprise with active job postings indicating ongoing recruitment of both technical (Kalkulator) and trades personnel (gewerbliche Mitarbeiter).

Name

BIT Bauwerkserhaltung GmbH

Legal name

BIT Bauwerkserhaltung GmbH

Website

https://bit-hh.de

Company type

Private

Founded year

1999

Operating status

Operating

Headcount range

11–50 employees

Short description

BIT Bauwerkserhaltung GmbH is a Hamburg-based mid-sized construction firm founded in 1999, specializing in concrete restoration, structural waterproofing, and GRP work for engineering structures. It serves public sector clients and construction companies in Germany through project-based subcontracting.

Ownership category

akta.pro rank

Product category

Structural Restoration and Repair Services

NAICS

Foundation, Structure, and Building Exterior Contractors (2381)

SIC

Construction - Special Trade Contractors (1700)

akta.pro primary industry

Concrete Resurfacing, Overlays & Patching (HSAGALAD)

akta.pro secondary industries

Drywall, Partitions & Suspended Ceilings (IMAFANAG), Painting, Decorating & Wallcoverings (IMAFANAI)

Keywords

• Concrete repair services
• Structural waterproofing
• Engineering structure restoration
• Building preservation services
• Bridge restoration

Headquarters

HQ city

Hamburg

HQ country

Germany

HQ region

Europe

Offices2 records

Markets served

GTM type

B2B

Offering type

Services

Cost components

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

Revenue model

1. Construction Services Revenue: BIT generates revenue through project-based construction services for the repair and restoration of engineering structures. Services are contracted directly with clients in the construction industry and public sector, with revenue derived from specialized repair work including concrete restoration, waterproofing, and GFK applications.

Go-to-market motion1 record

Distribution channels1 record

Marketing channels3 records

Core offering

BIT Bauwerkserhaltung GmbH is a Hamburg-based mid-sized construction company specializing in the repair and restoration of engineering structures. The company focuses on three core service pillars: Betoninstandsetzung (concrete restoration), Bauwerksabdichtung (building waterproofing), and GFK-Arbeiten (fiberglass-reinforced plastic work). These capabilities are applied across specialized project categories including tunnel structures, coastal protection works, municipal disposal facilities, bridges, parking structures, facades, balconies, and masonry.

Product overview

BIT Bauwerkserhaltung GmbH is a mid-sized Hamburg-based construction company offering a unified portfolio of building preservation and restoration services. The core offering centers on three primary service pillars: Betoninstandsetzung (concrete restoration), Bauwerksabdichtung (building waterproofing), and GFK-Arbeiten (GRP/fiberglass work). These core services are applied across specialized project categories including tunnel structures, coastal protection structures, municipal disposal facilities, bridges, parking structures, facades, balconies, and masonry. With 25 years of experience and 3,218 completed projects, the company serves notable clients from the construction industry and public sector.

Differentiator

Problem solved

Functional benefit

Products and services

• Betoninstandsetzung (Concrete Restoration)
• Bauwerksabdichtung (Building Waterproofing)
• GFK-Arbeiten (GRP/Fiberglass Work)
• Tunnel Structure Restoration
• Coastal Protection Structure Restoration
• Municipal Disposal Facility Restoration
• Bridge Restoration
• Parking Structure and Underground Garage Restoration
• Facade and Balcony Restoration
• Masonry Restoration

Named customers2 records

Segments2 records

Ideal customer profiles2 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Partnerships

Four partnerships are on record, tiered minor.

• Handwerkskammer Hamburg (Hamburg Chamber of Crafts)minorOthersMembership in the Hamburg Chamber of Crafts, providing industry representation, credentialing, and access to the broader craft/trades network in Hamburg.
• Zertifizierung BauminorOthersCertification affiliation demonstrating compliance with construction industry quality and safety standards in Germany.
• LG HH MVminorOthersRegional industry association membership providing networking and industry representation for construction companies in the Hamburg metropolitan region.
• Bau-Innung Hamburg (Hamburg Construction Guild)minorOthersMembership in the Hamburg Construction Guild, providing industry representation, training resources, and professional development support for construction companies.

Scale indicators3 records

Recent moves5 records

Expansion highlights3 records

Broad incumbents

• HOCHTIEF AG: Large German-based international construction group active in building, infrastructure, and civil works including rehabilitation projects. Comparable as a broad incumbent operating in the same German construction and infrastructure maintenance market.
• STRABAG SE: Austrian-headquartered European construction services group with substantial German operations in transportation infrastructure, building construction, and special civil works. Comparable for its German market presence and capability in structural repair and concrete restoration.
• Bilfinger SE: German-based industrial services provider offering maintenance, repair, and structural rehabilitation for industrial and infrastructure assets. Comparable as a much larger incumbent operating in overlapping concrete restoration and waterproofing disciplines across Germany and Europe.
• Ed. Züblin AG: Major German construction contractor (Strabag subsidiary) performing structural repair, bridge renovation, and building preservation across Germany. Comparable for its German footprint and capability in concrete restoration and engineering structure works.
• Heidelberg Materials AG: German building materials company producing cement, concrete products, and specialty mortars used in infrastructure repair and restoration. Comparable for its German market presence and involvement in concrete-based infrastructure maintenance solutions.

Others

• Sika AG: Swiss specialty chemicals company providing concrete repair systems, waterproofing solutions, and sealing products used in structural rehabilitation. Comparable as an enabling supplier/provider of the materials and systems applied in BIT's concrete repair and waterproofing service lines.

Direct peers

• MC-Bauchemie Müller GmbH & Co. KG: German-based manufacturer of concrete protection and repair systems, including Betoninstandsetzung and waterproofing product lines. Comparable as a closely aligned specialty provider in the same German concrete repair and structural waterproofing domain.
• Klemm & Hensen GmbH: German construction services firm specializing in concrete repair, building waterproofing, and structural restoration for public sector clients. Comparable as a similarly sized specialty contractor in the same German concrete repair and Bauwerkserhaltung niche.
• Heitkamp & Thumann Group: German construction services group with capabilities in concrete repair, tunnel construction, and civil engineering works. Comparable as a regional specialist serving similar public sector and infrastructure repair customers in Germany.

Regional players

• Walo Bertschinger AG: Swiss-headquartered construction contractor with road construction, civil engineering, and structural repair capabilities. Comparable as a DACH-region specialty contractor active in concrete repair and infrastructure maintenance, though primarily serving Switzerland rather than Germany.

Market position

Strengths4 records

Weaknesses4 records

Competitive moat3 records

Key risks6 records

Key highlights6 records

Customer concentration

• LinkedInlinkedin.com/company/bit-bauwerkserhaltung-gmbh

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 BIT Bauwerkserhaltung GmbH