MESEC

What MESEC does

MESEC d.o.o. is a privately held Slovenian limited-liability company (d.o.o.) headquartered in Ljubljana that has specialized in water filtration, softening, and treatment since 1996. The company designs, sells, installs, and services water treatment systems for residential households, industrial and manufacturing customers, hospitality and food service operators, healthcare facilities, agricultural users, and commercial buildings/public institutions, operating primarily in Slovenia with an extension into Croatia via its e-commerce storefront.

The product portfolio centers on the proprietary MESEC HVP (Hišne Vodne Postaje) whole-house water station line — offered in iSoft Superior, SmartSoft Superior, eSoft, and eKo variants — that combine mechanical filtration with ion-exchange softening at the building entry point. Around this core, MESEC assembles a multi-vendor technology stack including combined Duplex/Triplex filters, VIQUA-based UV-C disinfection, reverse osmosis membrane systems, AQUA KRISTAL point-of-use kitchen filters, PALLAS PWG specialty cartridges (ICE, PFAS, arsenic, nitrate and others), VULCAN electronic limescale neutralizers, ATč heat-pump filters, rainwater harvesting systems from 3P Technik, plus industrial dosing systems and measurement instrumentation. The company holds ISO 9001 certification from TÜV SÜD and an AAA Bisnode credit rating.

MESEC monetizes through three streams: (1) hardware sales of equipment and consumables via direct office sales, a dedicated B2B portal, and an e-commerce storefront; (2) recurring replacement-parts sales including filter cartridges and UV bulbs; and (3) quote-based professional services spanning engineering, installation, commissioning, maintenance, and water analysis. The organization is a micro-enterprise of approximately 8 employees, with no disclosed external funding, parent company, or M&A history.

Name

MESEC

Legal name

Mesec d.o.o.

Website

https://mesec.si

Company type

Private

Founded year

1996

Operating status

Operating

Headcount range

1–10 employees

Short description

MESEC d.o.o. is a Ljubljana-based Slovenian water treatment specialist that designs, sells, installs, and services filtration, softening, UV, and reverse-osmosis systems for households, industrial customers, and public institutions in Slovenia and Croatia.

Ownership category

akta.pro rank

Product category

Water Treatment Systems

NAICS

Automatic Environmental Control Manufacturing for Residential, Commercial, and Appliance Use (334512), Analytical Laboratory Instrument Manufacturing (334516)

SIC

Industrial Instruments For Measurement, Display, And Control (3823), Specialty Cleaning, Polishing And Sanitation Preparations (2842)

akta.pro primary industry

Whole-House (Point-of-Entry) Water Treatment Systems (CRAJAJAE)

akta.pro secondary industries

Water Softener, Filtration & Treatment System Installation (HSAOAAAH), Water & Wastewater Treatment Plant Equipment (Clarifiers, Aeration, Membrane Systems) (IMAHAEAJ), Monitoring & Control (Dosing Systems, Remote Monitoring, Sensors) (BPABAJAK)

Keywords

• Water filtration systems
• Water softening solutions
• UV water disinfection
• Reverse osmosis systems
• Industrial water treatment

Headquarters

HQ city

Ljubljana

HQ country

Slovenia

HQ region

Europe

Offices1 record

Markets served

GTM type

B2B and B2C

Offering type

Hardware or Manufacturing

Cost components

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

Revenue model

1. Water Treatment Equipment Sales: Sale of water filtration systems, water softeners, UV disinfection units, reverse osmosis systems, and accessories through direct sales and e-commerce.
2. Professional Services: Engineering, installation, maintenance, and water analysis services. Includes commissioning of softening devices, filter systems, and dosing stations.
3. Replacement Parts and Consumables: Sale of filter cartridges, UV bulbs, filter inserts, and other consumable parts for water treatment systems.

Pricing tiers

Go-to-market motion2 records

Distribution channels3 records

Marketing channels4 records

Core offering

MESEC d.o.o. designs, supplies, installs, and services water treatment systems for residential and industrial customers. Its offering spans mechanical filtration, ion-exchange softening, UV-C disinfection, reverse osmosis, electronic/magnetic limescale neutralization, rainwater treatment, and chemical dosing, anchored by the proprietary MESEC HVP household water station line. The company also delivers engineering, commissioning, maintenance, and water analysis services from its Ljubljana headquarters.

Product overview

MESEC is a Slovenian water treatment company offering comprehensive solutions for residential and industrial water treatment. The core product line centers on MESEC HVP (Hišne vodne postaje) - whole-house water stations available in variants (iSoft Superior, SmartSoft Superior, eSoft, eKo) that combine filtration and softening. Supporting products include mechanical and combined water filters (Duplex/Triplex systems), UV disinfection systems (VIQUA-based), reverse osmosis systems, point-of-use filters (AQUA KRISTAL®, AQUA PRIME, PALLAS PWG cartridges), ion exchange water softeners (iSoft, DWE, eSoft, AquaBox, mSoft, ASTREA), electronic and magnetic limescale neutralizers (VULCAN, GAMMA), and specialized filters for heat pumps (ATČ series). Industrial offerings include industrial filtration, reverse osmosis, dosing systems, measurement equipment, rainwater systems (3P RainBox), and heating system protection. The portfolio also includes accessories like filter cartridges, housings, water dispensers, and leak protection devices. The company operates both a main website (mesec.si) and e-commerce store (e-trgovina.mesec.si).

Differentiator

Problem solved

Functional benefit

Brands

• MESEC HVP: MESEC HVP – hišne vodne postaje (house water stations) are central systems for filtering and softening water installed at the entrance of buildings. Product line includes iSoft Superior, SmartSoft Superior, eSoft, and eKo variants.

Products and services

• MESEC HVP Household Water Stations (Hišne vodne postaje) Central whole-house water treatment system combining filtration and ion-exchange softening, installed at the building entry point. Available in iSoft Superior, SmartSoft Superior, eSoft, and eKo variants for residential and light-commercial customers.
• Mechanical Water Filters (Mehanski vodni filtri) Whole-house mechanical filters that remove sand, rust, sediment and other particles from incoming water, protecting plumbing and connected equipment.
• Combined Water Filters (Kombinirani vodni filtri) Multi-stage Duplex and Triplex combined filtration systems (ZK Pro, MS Pro) for whole-building water treatment.
• UV Disinfection Systems (UV dezinfekcijski sistemi) UV-C light systems for destroying microorganisms in water without chemicals, including VIQUA residential and professional units and MESEC HVP-UV combined filtration-disinfection systems.
• Reverse Osmosis Systems (Reverzna osmoza RO) Membrane-based reverse osmosis systems for removing dissolved solids from water for industrial process applications and for producing drinking water from wells or rainwater.
• AQUA KRISTAL Drinking Water Filters Point-of-use kitchen filtration systems that remove pesticides, heavy metals, chlorine, nitrates and other contaminants while ionizing and revitalizing water for household drinking.
• PALLAS PWG Filtration Cartridges Professional water filtration cartridge line with multiple media variants (ICE, VIOLET, PFAS, BLUE, SILVER, GOLD, ARSENIC, NITRATES, ROCK, OCRA, LILAC, YELLOW, GAC, RED) targeted at specific contaminants and applications such as ice production.
• Ion Exchange Water Softeners (Ionske mehčalne naprave) Water-softening devices including iSoft, DWE, eSoft, AquaBox, mSoft, and ASTREA models that reduce water hardness and prevent limescale buildup.
• VULCAN Electronic Limescale Neutralizers Electronic impulse-based devices that prevent limescale formation and corrosion in pipes and equipment without adding chemicals.
• Magnetic Limescale Neutralizers (Magnetni nevtralizatorji vodnega kamna) Magnetic limescale neutralizers including RBM, GAMMA Special, and GAMMA Block models for different pipe installation configurations.
• ATč Heat Pump Water Filters (Vodni filtri za toplotne črpalke) Water filters specifically engineered for water-to-water heat pumps, including BigOne and CP series with automatic backwash functionality to protect equipment from sediment and scaling.
• Rainwater Treatment Systems (Filtri za deževnico) Rainwater collection, filtration and disinfection systems including central filters, gutter filters, tank-mounted filters, and 3P RainBox Premium collection and pumping systems for household and garden use.
• Water Leak Protection Devices (Naprave za varovanje pred izlivi vode) Leak protection devices, pressure regulators, and safety elements including HygBox Connect for automatic pipe flushing.
• Water Dispensers, Coolers and Fountains (Vodni bar, cooler, pitnik) Point-of-use water dispensers, refrigerated and non-refrigerated coolers, and drinking fountains for offices and commercial premises.

Quantifiable outcome

• Extended lifespan of household appliances and plumbing systems through scale prevention
• +1 more outcomes

Segments6 records

Ideal customer profiles3 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature4 records

Partnerships

Six partnerships are on record, tiered core.

• VIQUAcoreTechnology or IntegrationVIQUA is a leading provider of UV disinfection systems. MESEC distributes VIQUA UV systems for both household and professional/industrial applications, including NSF certified professional systems for industry and water utilities.
• PALLAS PWGcoreTechnology or IntegrationPALLAS PWG produces specialized filtration cartridges including ICE cartridges for ice production, VIOLET, PFAS, BLUE, SILVER, GOLD, ARSENIC, NITRATES, ROCK, OCRA, LILAC, YELLOW, GAC, and RED variants for various water treatment applications.
• VULCAN / CALMATcoreTechnology or IntegrationElectronic water scale neutralizers and corrosion protection devices for household and industrial applications.
• AQUA KRISTALcoreTechnology or IntegrationPremium drinking water filtration systems with ionizers for home use, providing top-quality drinking water for homes.
• 3P (3P Technik)coreTechnology or IntegrationRainBox Premium rainwater collection and pumping systems for effective rainwater collection and distribution.
• TÜV SÜDcoreOthersThird-party certification body providing ISO 9001 quality management certification.

Scale indicators4 records

Recent moves6 records

Expansion highlights5 records

Broad incumbents

• Pentair: Large diversified water treatment equipment manufacturer with residential and industrial filtration, softening, and RO offerings. Competes with MESEC across multiple product lines but at a much broader portfolio and geographic scale.
• A. O. Smith Corporation: Global water heating and treatment company with significant European residential water treatment business. Overlaps with MESEC in residential filtration and softening categories, particularly via its European brands.
• Watts Water Technologies: Manufacturer of water safety and flow control products including filtration, softening, and water quality systems for residential, commercial, and industrial markets. Competes with MESEC in plumbing-protection and water treatment categories.
• Culligan International: Global water treatment company with strong European franchise offering residential and commercial softening, filtration, and bottled water solutions. Overlaps directly with MESEC's residential and light-commercial product categories but operates at far greater scale.

Direct peers

• BWT (Best Water Technology): Austrian-headquartered European water treatment specialist offering water softening, filtration, RO, and dosing systems across residential and industrial segments. Most direct comparable to MESEC in product mix, customer type, and European footprint, including presence in Slovenia.
• Grünbeck Wasseraufbereitung: German family-owned water treatment specialist focused on softening, filtration, and dosing for residential and industrial customers. Closely comparable in being a regional European specialist with strong engineering/service orientation.
• Waterlogic: Specialist in point-of-use and point-of-entry water purification and dispensing solutions for offices, hospitality, and healthcare. Comparable to MESEC's commercial/institutional water dispenser and filtration offering.
• EcoWater Systems: Specialist in residential and light-commercial water softening and filtration, owned by Whirlpool. Directly comparable product categories (softening, whole-house filtration) and dealer-driven go-to-market model similar to MESEC's.
• Cillit (now part of BWT): European household water softening and filtration brand now operating under BWT, with historically strong presence in Southern European markets including Italy and Slovenia. Directly overlaps with MESEC's HVP-equivalent product positioning.

Others

• Trojan Technologies (parent of VIQUA): Parent company of VIQUA, MESEC's core UV disinfection partner. Listed as a peer because of its direct role in MESEC's product stack and because its broader UV portfolio competes with MESEC's bundled UV solutions in commercial and industrial applications.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat4 records

Key risks7 records

Key highlights7 records

Customer concentration

• LinkedInlinkedin.com/company/mesec

Compliance1 record

Revenue estimate

Valuation estimate

Number of profiles

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 MESEC