Brothers Schmidt

What Brothers Schmidt does

Gebrüder Schmidt GmbH (trading as Brothers Schmidt / Gebrüder Schmidt Bauunternehmen) is a German master craft construction company (Meisterbetrieb) founded in 2003 by Marco and Rainer Schmidt, headquartered in Kiebitzreihe near Elmshorn in the Steinburg district. The firm specializes in masonry, concrete, and tiling work (Maurer-, Beton- und Fliesenarbeiten), with a particular focus on the renovation and restoration of historic and heritage buildings. Its service offering comprises six modules: core new build, extension and renovation; basement and structural waterproofing using Remmers systems; technical restoration and repair of heritage facades and structures; installation of horizontal moisture barriers; ecological interior insulation using clay plaster combined with wall heating systems; and mold cause investigation and remediation led by a TÜV-certified expert.

The company generates revenue exclusively through project-based, one-time fees for construction, renovation, and repair services, with no subscription, licensing, or recurring component. Pricing is quoted on a per-project basis and is not publicly disclosed; an optional 10-year quality guarantee is offered on waterproofing work utilizing Remmers products. Go-to-market is sales-led and entirely direct: customers engage via phone, email, a website contact form, callback request, or in person at the Kiebitzreihe office. The firm serves residential and small commercial clients — primarily private homeowners, property developers, and owners of historic or listed buildings — across the Hamburg metropolitan region, the Steinburg and Pinneberg districts, and southwestern Schleswig-Holstein. No channel partners, marketplace, or reseller motion is in use; the firm relies on its own workforce of 12-14 employees for service delivery.

Underlying technology is conventional craft expertise augmented by certified specialist credentials (Meisterhaft 4-star, RSG-Handwerksbetrieb, TÜV-certified mold expert) and the use of heritage-consistent and ecological building materials such as ring kiln bricks, lime mortar, clay plaster, and wood fibre insulation boards. Marketing is conducted organically via a company website and an Instagram profile (@gebr_schmidt) showcasing completed projects, with word-of-mouth referrals as the primary demand driver. The firm has no disclosed digital product, API, or software platform, and no external funding rounds or M&A activity have been reported.

Name

Brothers Schmidt

Legal name

Gebrüder Schmidt GmbH

Website

https://gebr-schmidt.com

Company type

Private

Founded year

2003

Operating status

Operating

Headcount range

11–50 employees

Short description

Brothers Schmidt (Gebrüder Schmidt GmbH) is a German master craft construction firm founded in 2003 near Hamburg, specializing in masonry, heritage building renovation, basement waterproofing, mold remediation, and ecological interior insulation for residential and small commercial clients in the Hamburg metropolitan region.

Ownership category

akta.pro rank

Product category

Construction and Renovation Services

NAICS

Foundation, Structure, and Building Exterior Contractors (2381), Poured Concrete Foundation and Structure Contractors (23811)

SIC

Construction - Special Trade Contractors (1700), General Bldg Contractors - Residential Bldgs (1520)

akta.pro primary industry

Brick & Block Repair / Replacement (HSAGALAI)

akta.pro secondary industries

Stone Masonry Repair & Restoration (HSAGALAJ), Masonry Repointing & Mortar Joint Repair (HSAGALAH), Whole-Home Interior Renovation (Non-Structural) (HSAPAEAC), Structural Repair & Framing Reconstruction (HSAPAOAG)

Keywords

• Masonry construction services
• Building renovation services
• Basement waterproofing
• Mold remediation services
• Historic building restoration

Headquarters

HQ city

Kiebitzreihe

HQ country

Germany

HQ region

Europe

Offices1 record

Markets served

GTM type

B2C

Offering type

Services

Cost components

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

Revenue model

1. Construction and renovation services: Revenue is generated through one-time project-based fees for construction, renovation, and repair services including new builds (single-family, multi-family, commercial), conversions/additions, building restoration, waterproofing, horizontal barriers, and tiling. Services are priced per project with no subscription or recurring component. The company operates as a classical craft trade business with no digital product.

Go-to-market motion1 record

Distribution channels1 record

Marketing channels1 record

Core offering

Brothers Schmidt is a German construction contractor that performs masonry and building construction, renovations and extensions, basement and structural waterproofing, mold cause investigation and remediation, as well as historic building restoration using ecological materials such as clay plaster, ecological insulation, and wall-surface heating. The firm primarily serves private homeowners, property owners of older and heritage buildings, and selected new-build residential and commercial clients in the Hamburg metropolitan region.

Product overview

Gebrüder Schmidt GmbH is a traditional construction company (Bauunternehmen) founded in 2003, specializing in masonry, concrete, and tiling work. The company operates as a master craftsman business with six interconnected service modules: Umbau, Anbau und Neubau (core construction and renovation services), Keller- und Bauwerksabdichtung (waterproofing), Sanierungen und Reparaturen (repairs and historic restoration), Einbau von Horizontalsperren (moisture barriers), Lehmputz und Wandflächenheizung (ecological clay plaster and wall heating), and Schimmelpilz (mold remediation). The services emphasize specialization in old building renovation, moisture damage repair, and healthy building practices using ecological materials.

Differentiator

Problem solved

Functional benefit

Products and services

• Umbau, Anbau und Neubau (Renovation, Extension and New Construction) Full-scope masonry and building construction service covering conversion, extension and new build projects for private homeowners, property developers and small commercial clients in the Hamburg region.
• Keller- und Bauwerksabdichtung (Basement and Structural Waterproofing) Professional sealing of basements and structural components against moisture and water ingress, delivered for private property owners and small commercial clients, typically in cooperation with specialist waterproofing providers such as Isotec.
• Einbau von Horizontalsperren (Horizontal Barrier Installation) Installation of horizontal damp-proof barriers in existing masonry walls to stop rising damp, delivered as a specialist waterproofing service for property owners.
• Schimmelpilz (Mold: Cause Investigation and Remediation) TÜV-certified cause investigation and professional removal of mold infestation in residential and small commercial properties, led by a TÜV-certified mold expert.
• Historische Bausubstanz (Historic Building Restoration) Restoration and preservation work on historic and heritage building fabric for owners of protected or older properties, requiring specialist craft techniques.
• Lehmputz und Wandflächenheizung (Clay Plaster and Wall-Surface Heating) Application of ecological interior finishes including clay plaster and wall-surface heating systems for clients seeking healthy-room and energy-efficient building materials in renovations and new builds.

Quantifiable outcome

• Optional 10-year quality guarantee on waterproofing and building sealing work
• +1 more outcomes

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

Two partnerships are on record, tiered minor.

• Ziegelei RuschminorOthersZiegelei Rusch supplies ring kiln bricks (Ringofenklinker) produced using a centuries-old firing process. These bricks are used by Gebrüder Schmidt for heritage-consistent restoration work on historic buildings, including the restoration of the historic horse clinic in Hamburg (Pferdeklinik Hamburg) and a historic house in Glückstadt.
• HAGA (Biotherm Dämmputz)minorOthersHAGA supplies Biotherm insulation plaster (Dämmputz) used by Gebrüder Schmidt in heritage restoration projects for interior insulation of historic buildings. Used in the restoration of the Pferdeklinik Hamburg and a historic house in Glückstadt.

Scale indicators2 records

Recent moves7 records

Expansion highlights3 records

Others

• Remmers GmbH: German manufacturer of waterproofing, wood protection, and façade restoration systems, and a strategic partner of Gebrüder Schmidt (RSG-Handwerksbetrieb). Comparable in the sense that the products it supplies define the technical quality of waterproofing work in the German market, and Remmers also operates an applicator network that competes for end-customer contracts.
• HAGA AG: Swiss-German supplier of ecological building materials including clay plasters (Lehmputz) and natural insulation plasters (Biotherm Dämmputz), a strategic supplier to Gebrüder Schmidt for heritage interior insulation work. Comparable in the sense that its product specification defines the clay-plaster/wall-heating service line.

Direct peers

• Matthäi Bauunternehmen GmbH & Co. KG: German construction group with strong presence in northern Germany covering masonry, concrete, renovation, and building envelope work. Directly comparable service portfolio and overlapping regional footprint with Gebrüder Schmidt, though at materially larger headcount and project scale.
• Veinal GmbH: German specialist for horizontal barrier installation (Horizontalsperren) and masonry waterproofing using injection methods. Directly competes with Gebrüder Schmidt's 'Einbau von Horizontalsperren' service line and serves the same private homeowner segment with rising-damp problems.
• Bauunternehmung Gebr. Echterhoff GmbH & Co. KG: Mid-sized German general contractor with traditional masonry, concrete, and renovation capabilities serving residential and small commercial clients. Directly comparable in craft mix (Mauer-, Beton- und Fliesenarbeiten) to Gebrüder Schmidt, with similar family-business DNA and northern German footprint.
• ISOTEC GmbH: ISOTEC is a German franchise network specializing in basement and building waterproofing as well as mold remediation — directly overlapping with Gebrüder Schmidt's Keller- und Bauwerksabdichtung and Schimmelpilz service lines. Both serve private homeowners with certified, warranty-backed moisture and mold solutions across Germany.
• Dreßler Bau GmbH: German master craftsman construction firm focused on masonry, concrete, renovation, and old building restoration in the residential segment. Directly comparable to Gebrüder Schmidt in service portfolio, customer type (private homeowners), and craft-trade operating model.

Emerging players

• Schomburg GmbH: German manufacturer and applicator of building waterproofing and restoration systems for basements, facades, and structural elements. Overlaps with Gebrüder Schmidt's waterproofing and heritage restoration work, with comparable focus on certified application quality.

Regional players

• Aug. Prien Bauunternehmung GmbH & Co. KG: Hamburg-based general building contractor active in residential new construction, renovation, and concrete/masonry work. Comparable to Gebrüder Schmidt in service mix (masonry, concrete, renovation) and Hamburg metropolitan area geography, but at substantially larger scale.

Broad incumbents

• Köster GmbH: National German general building contractor with deep capabilities in new construction, renovation, and turnkey building projects. Comparable in offering breadth to Gebrüder Schmidt's full-service positioning, but operates at significantly larger scale across multiple German regions.

Market position

Strengths4 records

Weaknesses4 records

Competitive moat2 records

Key risks6 records

Key highlights6 records

Customer concentration

• Instagraminstagram.com/gebr_schmidt
• Facebookfacebook.com/gebrschmidt

Compliance3 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles2 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 Brothers Schmidt