Kuster Hager AG

What Kuster Hager AG does

Kuster Hager AG is a Swiss family-owned engineering and architecture group headquartered in Uznach and operating through a holding structure of multiple subsidiaries that span civil, structural, and environmental engineering as well as architecture. Founded in 1954 and now in its third generation of Hager family ownership, the group serves municipalities, cantonal and federal public-sector clients, wastewater associations, and private developers across five Swiss cantons (St. Gallen, Thurgau, Appenzell, Schwyz, Zürich), supported by approximately 100 specialized professionals and an ongoing apprenticeship intake of around 20 trainees. Long-running municipal and infrastructure contracts, alongside the firm's continuous operation since the mid-1950s, anchor its positioning as a regionally embedded technical partner rather than a transactional vendor.

The group's service portfolio is delivered through dedicated subsidiaries: Kuster + Hager Ingenieurbüro AG entities handle core civil and environmental engineering across Uznach, St. Gallen, and Pfäffikon; Kuster + Hager Architektur AG provides architectural design; WPK Bau AG (founded 1997) executes general contracting; Vermoplan Immobilien AG manages real estate; and a majority stake in Nänny + Partner AG (acquired 2009) supplies surveying and specialist engineering, with that subsidiary having expanded into Dübendorf and Uznach in 2023. Technically, the firm relies on digital modeling, hydraulic and structural simulation, GIS, drone-based survey, and 3D visualization — established engineering software categories rather than proprietary AI/ML systems. Cross-subsidiary capability allows the group to capture work across planning, design, construction execution, and asset management phases of projects.

The business model is project-based professional services revenue, priced under framework agreements with municipalities and public institutions, plus fee-for-service engagements with private developers, property owners, and investors. The group currently runs more than 1,000 active projects, suggesting a high-volume, distributed book of relatively small-to-mid-size engagements rather than dependence on a small number of large anchor contracts. Revenue flows through both engineering fees and the value-add subsidiaries (general contracting, real estate management). Customer concentration is tilted toward the public sector but diversified across many municipal and cantonal counterparties, with a complementary private-sector book; succession planning is visible (a scheduled 2026 CEO transition at Nänny + Partner), pointing to institutionalized governance within an otherwise family-controlled structure.

Name

Kuster Hager AG

Legal name

KUSTER + HAGER AG

Website

https://kuster-hager.ch

Company type

Private

Founded year

1954

Operating status

Operating

Headcount range

11–50 employees

Short description

Kuster Hager AG is a Swiss family-owned engineering and architecture firm founded in 1954. With around 100 specialists across nine offices in five cantons, it serves municipalities, public institutions, and private developers with civil, environmental, structural engineering and architectural services.

Ownership category

akta.pro rank

Headquarters

HQ city

Frauenfeld

HQ country

Switzerland

HQ region

Europe

Offices9 records

Markets served

GTM type

B2B

Offering type

Services

Cost components

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

Revenue model

1. Engineering and Architecture Services: Project-based fees for engineering, architecture, construction management, and infrastructure planning services across water, wastewater, civil engineering, and building projects
2. Real Estate Services: Property management, facility administration, rental management, and real estate brokerage services through Vermoplan subsidiary
3. General Contracting: Turnkey construction services for residential and commercial developments from land acquisition through to handover

Go-to-market motion1 record

Distribution channels1 record

Marketing channels3 records

Core offering

Kuster Hager AG operates a group of specialized engineering, architecture, construction, and real estate subsidiaries providing integrated services from project conception through execution to ongoing management. Core offerings include wastewater treatment engineering, water supply, civil and road engineering, structural and foundation engineering, architectural design, construction management, general contracting, and real estate/property management services for municipalities, public institutions, developers, and private clients across eastern Switzerland.

Product overview

Kuster Hager AG operates as a unified group of specialized engineering and architecture companies rather than a single software product. The group comprises four main subsidiaries: Kuster + Hager Ingenieurbüro (core engineering services), Kuster + Hager Architektur (architecture), Nänny + Partner (structural engineering and expert opinions), WPK Bau AG (general contracting), and Vermoplan Immobilien AG (real estate management). The group offers comprehensive services spanning wastewater treatment, water supply, civil engineering, road and railway construction, architecture, construction management, foundation engineering, expert opinions, settlement drainage, and real estate services. Founded in 1954, the group has approximately 100 professionals across multiple Swiss locations.

Differentiator

Problem solved

Functional benefit

Products and services

• Wastewater Treatment Plant Engineering (Abwasserreinigungsanlagen) Pioneering wastewater treatment plant engineering covering planning, execution, and commissioning, including physical, biological, and chemical treatment processes, advanced treatment for micropollutants, and sludge treatment. Targeted at wastewater associations, municipalities, and public institutions.
• Architecture Services (Architektur) Architectural design and realization services for residential, commercial, industrial, and public buildings, including remodeling and renovation, plot development, and construction management services.
• Railway Construction (Bahnbau) Railway infrastructure services including renovation and modernization of track systems, railway crossings, and platforms, plus special structures such as retaining walls, drainage systems, and underpasses.
• Construction Management (Baumanagement) Project steering, supervision, and organization services covering tendering, contracting, construction execution, documentation, handover, and warranty management.
• Development Planning (Erschliessungsplanung) Infrastructure development planning for water, wastewater, energy, and transport solutions for residential, commercial, and industrial areas.
• General Contracting (Generalunternehmung) Turnkey construction services from land development to occupancy, with integrated technical expertise from the group's architecture, engineering, and real estate teams.
• Foundation and Structural Engineering (Grundbau und konstruktiver Ingenieurbau) Foundation design and structural engineering services including geotechnical analysis, foundation dimensioning, retaining walls, excavation support, settlement predictions, and seismic verification.
• Expert Opinions and Assessments (Gutachten und Expertisen) Technical assessments and expert opinions including structural safety evaluation, defect documentation, material quality assessment, and environmental engineering reports for public corporations and legal proceedings.
• Real Estate Services (Immobilien) Real estate services including property management, accounting, first rentals, condominium administration, complex property valuations, sales support, and client representation.
• Settlement Drainage Planning (Siedlungsentwässerung) Urban drainage planning including General Drainage Planning (GEP) and Geographic Information Systems (GIS), providing canal network calculations, dimensioning, and sustainable drainage system design.
• Civil Engineering Works (Tiefbau) Civil engineering works including sewage systems, access roads, and special structures such as stormwater treatment basins, pump stations, and relief structures, with certified quality management from tender to handover.
• Road Construction (Strassenbau) Road construction and rehabilitation services including driveways, access roads, footpaths, squares, traffic calming measures, and barrier-free crossings with quality and schedule control.
• Water Supply Engineering (Wasserversorgung) Water supply system planning and implementation including groundwater pumping stations, booster stations, reservoirs, and distribution networks for municipalities, regions, and cross-border areas.

Quantifiable outcome

• 100+ completed architecture projects
• +1 more outcomes

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

Feature3 records

Partnerships

Four partnerships are on record, tiered core and minor.

• SVIT OstschweizcoreStrategic or Co-development PartnerSVIT Ostschweiz is a professional association of ten member organizations and five specialist chambers. The association serves as a comprehensive partner for members, providing expertise, networking opportunities, and services in real estate and property management.
• alaCasa.chcoreStrategic or Co-development PartneralaCasa.ch is a quality-focused network for real estate professionals and homeowners. Vermoplan participates as a partner, providing verified independent experts for professional real estate transactions.
• IG MikropowercoreStrategic or Co-development PartnerEngineering community developing innovative procedures for eliminating micropollutants in wastewater treatment. Kuster + Hager St. Gallen participates as part of this engineering partnership for advanced environmental solutions.
• Uniola AG Landschaftsarchitektur StadtplanungminorStrategic or Co-development PartnerLandscape architecture and urban planning firm, partner in Vermoplan's referral network

Scale indicators4 records

Recent moves5 records

Expansion highlights5 records

Direct peers

• Holinger AG: Swiss engineering consultancy with a strong water, wastewater, and environmental engineering practice plus infrastructure and building services. Direct competitor for the same municipal water/wastewater and infrastructure mandates across Switzerland, with comparable project-based fees and public-sector client mix.
• Basler & Hofmann AG: Swiss engineering and consulting firm offering civil, structural, environmental, and infrastructure services to public and private clients. Closely comparable multi-disciplinary model with a similar blend of municipal, real estate, and infrastructure work in the German-speaking Swiss market.
• EBP (Ernst Basler + Partner): Swiss planning and engineering consultancy covering infrastructure, environment, energy, and risk. Comparable in serving municipalities and public-sector clients with engineering, planning, and project management services, with broader geographic reach but similar professional-services economics.
• Hunziker Betatech AG: Swiss engineering firm specializing in water, wastewater, and environmental engineering for municipalities and industry. A direct niche competitor in the wastewater treatment plant engineering space that overlaps with Kuster + Hager's core competency.
• Emch+Berger AG: Swiss engineering firm offering civil, structural, environmental, and infrastructure services with offices across the German-speaking Swiss region. Comparable multi-disciplinary engineering profile and similar exposure to public-sector infrastructure clients.
• CSD Ingenieure AG: Swiss engineering consultancy providing infrastructure, environment, and building services to public authorities and private developers. Comparable service portfolio and customer mix, with similar project-based revenue model in municipal infrastructure.

Broad incumbents

• AFRY (formerly AF Toscano): Large European engineering, design, and advisory firm with significant Swiss operations across infrastructure, water, and environment. Competes for the same large municipal and infrastructure mandates but at materially greater scale, with global capabilities Kuster + Hager cannot match.
• Amstein + Walthert AG: Swiss engineering consultancy with broad building services, infrastructure, and energy practices serving both public and private clients. Comparable in client segments and professional services model, but larger and more diversified across Switzerland.

Others

• Vermessung & Geoinformation (various Swiss cantonal survey offices): Public-sector geospatial and surveying organizations that overlap with Kuster + Hager's GIS-based drainage planning and surveying-adjacent work. Not direct competitors but adjacent ecosystem participants that share customer relationships and technical standards.

Emerging players

• Wüest Partner AG: Swiss real estate consulting and valuation firm that overlaps with Vermoplan's property management, valuation, and real estate advisory offerings. Comparable customer base in property owners and investors, though more specialized in valuation and market analytics.

Market position

Competitive moat5 records

Key risks5 records

Key highlights7 records

Customer concentration

• LinkedInlinkedin.com/company/kuster-hager

Revenue estimate

Valuation estimate

Number of profiles

Profiles17 records

Subsidiaries9 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 Kuster Hager AG