What CAP HOLDING SPA does

CAP HOLDING SPA, operating commercially as Gruppo CAP, is the integrated water service manager (Gestore del servizio idrico integrato) for the Metropolitan City of Milan in Lombardy, Italy. Founded in 1932 and headquartered at Via Rimini 38 in Milan, the company manages the complete water cycle across its concession area — water abstraction from aquifers, aqueduct distribution to households and businesses, wastewater collection through the sewage network, and purification at treatment plants prior to environmental release. The company serves private individuals (its primary customer segment), business customers, condominium administrators, and municipalities/public entities, with regulated usage-based tariffs set by ARERA (the Italian Regulatory Authority for Energy, Networks and Environment) and billed monthly. Digital customer-facing infrastructure includes the My CAP mobile app and the Area Personale web portal for consumption monitoring, bill management, and service requests, complemented by 24/7 emergency response (Pronto Intervento) and physical service points including public water dispensers (Case dell'Acqua).

The company's technology stack centers on large-scale physical water infrastructure augmented by two notable environmental-technology platforms: the BioPiattaforma ZeroC urban biorefinery at Sesto San Giovanni, which processes sludge and recovers energy, and the Rozzano urban biorefinery showcased during Green Energy Day 2026. Internal R&D is conducted through the CAP Laboratory, focused on water quality analysis and innovation. The business model is that of a regulated Italian water utility: revenue is generated via ARERA-approved volumetric tariffs across the concession, with capital expenditure funded through a mix of operating cash flow and infrastructure investment programs — including €164 million earmarked for territorial resilience in the 2025 budget. Ownership is held under public concession arrangements typical of Italian water utilities (municipalities and public authorities), and the company is structured as an Italian joint-stock company (Società per Azioni) without a public listing. In May 2026 the company approved an updated industrial plan extending to 2037 and appointed Yuri Santagostino as the new Managing Director alongside a reconstituted Board of Directors.

Name

CAP HOLDING SPA

Legal name

CAP HOLDING SPA

Website

https://capholding.it

Company type

Private

Founded year

1932

Operating status

Operating

Headcount range

11–50 employees

Short description

CAP HOLDING SPA (Gruppo CAP) is the regulated integrated water utility managing the full water cycle — aqueduct, sewage, and purification — for the Metropolitan City of Milan, serving households, businesses, condominiums, and municipalities under ARERA-set tariffs.

Ownership category

akta.pro rank

Product category

Water Utility Services

NAICS

Water, Sewage and Other Systems (2213), Water Supply and Irrigation Systems (221310), Sewage Treatment Facilities (22132), Utilities (221)

SIC

Water Supply (4941), Sanitary Services (4950), Electric, Gas & Sanitary Services (4900)

akta.pro primary industry

Treated Water Storage & Pressure Management (Reservoirs, Tanks, Booster Stations) (EUANAAAD)

akta.pro secondary industry

Industrial Water Reuse Utilities (ZLD/MLD & Process Water Recycling) (EUANAGAG)

Keywords

• Integrated water service
• Aqueduct infrastructure
• Wastewater treatment
• Water utility management
• Sewage treatment

Headquarters

HQ city

Milano

HQ country

Italy

HQ region

Europe

Offices1 record

Markets served

GTM type

B2C

Offering type

Services

Cost components

Infrastructure, Operations, Personnel, Technology or R&D, Supply Chain

Pricing tiers

Distribution channels6 records

Marketing channels9 records

Core offering

CAP HOLDING SPA operates as the integrated water service manager (Gestore del servizio idrico integrato) for the Metropolitan City of Milan, delivering the complete water cycle including water abstraction, aqueduct distribution, sewage collection, and wastewater treatment (depurazione). The company serves private individuals, businesses, condominium administrators, and municipalities under regulated ARERA tariffs, supported by digital customer tools (My CAP app, Area Personale portal) and 24/7 emergency response. Additionally, it operates advanced environmental technologies such as the BioPiattaforma ZeroC urban biorefinery for sludge processing and the Bioraffineria Urbana di Rozzano for green energy recovery.

Product overview

CAP HOLDING SPA operates as an integrated water service provider managing the complete water cycle for the Metropolitan City of Milan. The company offers a unified portfolio combining core water infrastructure services (aqueduct, sewage, wastewater treatment) with digital customer-facing tools including the My CAP mobile app and Area Personale web portal. Their operations include public water dispensers (Case dell'Acqua), 24/7 emergency response (Pronto Intervento), and advanced environmental technologies such as the BioPiattaforma ZeroC biorefinery and the Rozzano urban biorefinery. The company also provides water quality monitoring, construction site mapping, and educational/sustainability programs.

Differentiator

Problem solved

Functional benefit

Brands

• My CAP: Mobile application for customers to manage their water service, monitor consumption, and perform operations like transfers and new connections.
• BioPiattaforma ZeroC
• Acqua del rubinetto

Products and services

• Servizio Idrico Integrato (Integrated Water Service) Core integrated water service encompassing the entire water cycle: aqueduct (water abstraction and distribution from aquifers), sewage collection, and wastewater treatment (depurazione). Provided to private individuals, businesses, condominium administrators, and municipalities under regulated ARERA tariffs across the Metropolitan City of Milan.
• Pronto Intervento (Emergency Response) 24/7 emergency response service for urgent water-related situations and critical reports, reachable via toll-free number 800 175 571. Provides immediate response to water emergencies, leaks, service disruptions, and other critical infrastructure incidents affecting customers in the Milan metropolitan area.
• Case dell'Acqua (Water Houses) Public water dispensers located throughout the Milan metropolitan area allowing citizens to access treated, quality-controlled drinking water. A public-facing service that enables residents to fill reusable bottles with safe tap water at dispensing points across the territory.
• Acquedotto (Aqueduct Water Supply) Water supply infrastructure that brings quality water from aquifers to homes and businesses across the Milan metropolitan area. Encompasses water abstraction, treatment, and distribution through the aqueduct network serving the integrated water service territory.
• Depurazione Acque (Wastewater Treatment) Wastewater treatment services ensuring proper purification of sewage before environmental release. Completes the integrated water cycle by treating used water and removing contaminants to meet environmental standards before discharge into the ecosystem.
• Qualità dell'Acqua (Water Quality Monitoring) Water quality monitoring and control service ensuring safe and good-quality drinking water for homes and businesses. Includes water label certification under the Acqua del rubinetto (tap water) program, supported by research and analysis at the CAP Laboratory.
• BioPiattaforma ZeroC (Urban Biorefinery) Advanced biorefinery platform for sludge processing and circular economy operations located at Sesto San Giovanni. Processes wastewater treatment byproducts (sludge) to recover energy and materials, supporting sustainability and circular economy objectives of the integrated water service.
• Bioraffineria Urbana di Rozzano (Rozzano Urban Biorefinery) Urban biorefinery facility that produces green energy from water treatment processes. Located in Rozzano, it serves as a facility for energy recovery from wastewater treatment operations, contributing to the company's sustainability and renewable energy initiatives.

Quantifiable outcome

• 80% of customers underestimate their water consumption

Segments4 records

Ideal customer profiles4 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature2 records

Scale indicators3 records

Recent moves6 records

Expansion highlights4 records

Direct peers

• Iren: Italian multi-utility providing integrated water services (aqueduct, sewage, purification) across Emilia-Romagna, Liguria, and Piedmont. Closely mirrors CAP Holding's integrated water service model under ARERA regulation with comparable customer mix.
• A2A: Italian multi-utility headquartered in Brescia with significant water, wastewater, and energy operations in Lombardy. Directly comparable to CAP Holding as a regulated Italian utility serving the same macro-region with overlapping municipal customers and concession areas.
• Hera: Italian multi-utility providing integrated water, waste, and energy services primarily in Emilia-Romagna and surrounding regions. Comparable to CAP Holding as a regulated ARERA operator with full-cycle water service delivery and similar municipal-ownership governance.
• Acea: Rome-headquartered Italian multi-utility operating one of Italy's largest integrated water services (Acea Ato 2). Operates the same integrated water cycle model (aqueduct, sewerage, purification) as CAP Holding under ARERA regulation, making it a benchmark peer on operational scale and regulatory exposure.

Broad incumbents

• American Water Works: Largest US-regulated water and wastewater utility. Comparable to CAP Holding as a broad incumbent regulated water utility with similar rate-base economics, though operating under US state-level PUC regulation rather than ARERA, and at materially larger scale.
• United Utilities: UK-regulated water and wastewater company serving the North West of England. Comparable to CAP Holding as a large regulated integrated water utility with similar regulatory capex-driven economics, though operating in a different national jurisdiction.
• Severn Trent: UK-regulated integrated water and wastewater utility serving 4.5 million customers. Comparable as a broad incumbent in regulated integrated water service under Ofwat regulation, providing a useful international benchmark for CAP Holding's ARERA-regulated economics and capex models.
• Veolia Environnement: Global leader in water and wastewater services with operations across Italy and Europe. Comparable to CAP Holding as a broad incumbent in the integrated water utility space, though Veolia's portfolio is far more diversified globally and includes contract operations for municipal water systems.

Others

• Suez: French multinational water and waste management group with significant European water concession operations. Comparable as a broad incumbent operating in integrated water services alongside CAP Holding, though at materially larger global scale and with broader non-water portfolio.
• MM S.p.A. (Metropolitana Milanese): Milan municipal infrastructure company with historical involvement in water and sewer engineering. Comparable as an ecosystem participant in the Milan water infrastructure space, though operating in adjacent infrastructure/engineering services rather than direct utility service.

Market position

Strengths4 records

Weaknesses5 records

Competitive moat5 records

Key risks6 records

Key highlights6 records

Customer concentration

• Xx.com/gruppocap
• YouTubeyoutube.com/user/CAPholding
• Facebookfacebook.com/GruppoCAP
• LinkedInlinkedin.com/company/cap-holding-spa
• Instagraminstagram.com/gruppocap

Compliance4 records

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 CAP HOLDING SPA