What Rotho does

Rotho is the industrial-equipment business division of Robert Thomas Metall- und Elektrowerke GmbH & Co. KG, a family-owned German manufacturer founded in 1897 and headquartered in Neunkirchen, Siegerland. The company engineers and produces custom drying and curing systems for the building materials industry, with two core product lines: concrete block curing systems (curing racks, ProAir recirculation, Delta-T-Control temperature management, ProCure) and brick/tile drying systems (QUATRO modular dryer structures, drying support units, ventilation technology including MixAir, AirWall, DriveAir, and the XStream rapid dryer). It has also extended into CO2 curing through ProCarbonCure (2022), targeting sustainable concrete carbonization, and maintains a secondary line of stainless-steel sterilization trays and trolleys for the food industry.

The technology stack is proprietary and mechanically rooted rather than software-defined: modular self-supporting dryer construction, sensor-driven closed-loop temperature/humidity control via frequency converters, robot-assisted pallet welding, and high-efficiency recirculation fans. Products are developed in cooperation with partners and manufactured in-house at the Neunkirchen factory, with a 5-year warranty on QUATRO structures and an installed base of more than 2,500 systems in over 50 countries.

The business model combines custom-engineered hardware sales with a growing recurring service stream (Care+ maintenance, Smart Upgrade retrofits, spare parts, and digital self-service). ROTHO sells exclusively through direct enterprise field sales, organized into two regional teams covering D-A-CH, BeNeLux, Scandinavia, Eastern Europe, and Rest of World. Pricing is project-specific with 10-day net payment terms after invoice receipt. The company serves approximately 280 employees and reported named enterprise customers including Röben, Leipfinger Bader, and August Lücking in brick manufacturing. The company remains privately held under the Thomas family, with no external funding rounds disclosed.

Name

Rotho

Legal name

Robert Thomas Metall- und Elektrowerke GmbH & Co. KG

Website

https://rotho.de

Company type

Private

Founded year

1897

Operating status

Operating

Headcount range

251–500 employees

Short description

ROTHO is a German industrial equipment manufacturer (founded 1897, ~280 employees) that designs and builds custom drying and curing systems for concrete block, brick, and tile manufacturers worldwide, supplemented by CO2 curing (ProCarbonCure) and food sterilization equipment, sold through direct enterprise field sales.

Ownership category

akta.pro rank

Headquarters

HQ city

Neunkirchen

HQ country

Germany

HQ region

Europe

Offices1 record

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

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

Revenue model

1. Industrial Equipment Sales: ROTHO generates revenue through the sale of industrial drying and curing equipment systems including curing racks, dryer structures, ventilation systems, and process control equipment. Products are sold directly to concrete block and brick manufacturers worldwide, with pricing based on system specifications and customization requirements. The company also offers spare parts, service contracts, and modernization solutions as recurring revenue streams.
2. Service and Support: Comprehensive service offerings including technical support, original spare parts, Care+ maintenance packages, Smart Upgrade retrofits, coaching, and self-service resources. Service contracts provide ongoing support for maximum plant availability.
3. Food Industry Equipment: Stainless steel sterilization trays, base frames, trolleys, baskets and inserts for food industry pouch sterilization processes. Custom-designed solutions for specific autoclave requirements.

Pricing tiers

Go-to-market motion1 record

Distribution channels1 record

Marketing channels5 records

Core offering

ROTHO designs, manufactures, and sells industrial drying and curing systems for the building materials industry, specifically concrete block curing racks and brick/tile drying equipment, plus stainless steel sterilization trays and trolleys for food pouch processing. All equipment is engineered and produced in-house at the company's own factory in Neunkirchen, Germany, leveraging proprietary systems such as QUATRO modular dryer construction, ProAir recirculation, MixAir fans, XStream rapid drying, Delta-T-Control, ProCarbonCure CO2 curing, and QuickPoint plug-in technology. The company supplements equipment sales with a comprehensive service program covering spare parts, Care+ maintenance, Smart Upgrade retrofits, and expert coaching for installed systems across more than 50 countries.

Product overview

ROTHO is a German industrial equipment manufacturer producing specialized systems for the construction materials and food industries. The product portfolio centers on two core product lines: (1) concrete block curing systems comprising curing racks, ProAir recirculation systems, Delta-T-Control temperature management, ProCure concrete curing systems, and sound protection; and (2) tile/brick drying systems including QUATRO® modular dryer construction, drying support units, ventilation technology (MixAir, AirWall, DriveAir, XStream rapid dryer), and StabiloEck drying pallets. The company also offers ProCarbonCure CO2-curing technology for sustainable concrete production and food sterilization trays (trays, base frames, trolleys, baskets/inserts) for the food industry. All products are developed in Germany and manufactured in the company's own factory in Neunkirchen, Siegerland, with over 2,500 installations across more than 50 countries. Service offerings include technical support, original spare parts, Care+ maintenance, Smart Upgrade retrofits, expert coaching, and self-service capabilities.

Differentiator

Problem solved

Functional benefit

Brands

• ProCarbonCure: CO2-Curing System for concrete carbonisation - innovative process technology for storing CO2 in concrete products
• ProAir
• ProCure
• QUATRO
• MixAir
• XStream
• Delta-T-Control
• AirWall
• DriveAir

Products and services

• Concrete Block Curing Systems Industrial curing rack systems and air circulation technology (ProAir) for optimizing the curing process of concrete blocks, including Delta-T-Control for temperature management and ProCure concrete curing systems. Sold to concrete block and paving stone manufacturers running industrial curing chambers.
• Tile and Brick Drying Systems Drying support units, dryer frames, dryer structures, and ventilation systems (AirWall, MixAir, DriveAir, XStream) for efficient brick and tile drying in industrial environments. Sold to brick, roof tile, and ceramic tile manufacturers.
• ProCarbonCure CO2 Curing System CO2-curing system for concrete carbonization that stores CO2 in concrete products through a controlled process achieving nearly 100% CO2 atmosphere, reducing emissions while improving product quality. Sold to concrete product manufacturers seeking sustainable production.
• Food Sterilization Trays, Trolleys and Inserts

Quantifiable outcome

• Up to 60% electricity cost reduction with Delta-T-Control
• +4 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

Feature8 records

Scale indicators6 records

Recent moves6 records

Expansion highlights5 records

Direct peers

• Besser Company: Besser is one of the longest-standing US manufacturers of concrete block production equipment and plant machinery. It sells complete concrete products factories and is a category-defining peer to ROTHO for engineered equipment in the concrete-block industry.
• QGM Zenith: QGM Zenith (German-engineered origin, now Chinese-owned) supplies concrete block making machines and production line equipment worldwide. It overlaps with ROTHO in industrial-scale brick and block production equipment and competes in similar customer geographies.
• Hess Group: Hess Group is a leading German manufacturer of concrete block making machines, including dryers and curing systems for the same brick and concrete block producers ROTHO serves. It is the closest direct competitor in engineered drying/curing equipment for building materials.
• Columbia Machine: Columbia Machine is a US-based manufacturer of concrete products equipment and production systems for blocks, pavers, and pipe. It serves the same downstream customer base (concrete producers) and offers comparable production-line and material-handling solutions relevant to ROTHO's end markets.
• Masa Group: Masa Group designs and manufactures complete production plants for concrete blocks, bricks, and pavers, including drying tunnels and curing chambers. It competes with ROTHO for turnkey line and drying-system contracts in concrete building materials.
• SIMEM: SIMEM is an Italian manufacturer of equipment and complete plants for concrete products, including batching, mixing, and curing systems. It is a Southern European peer to ROTHO with overlapping product scope in curing and material handling for concrete blocks and pavers.

Broad incumbents

• Riedhammer: Riedhammer manufactures industrial process furnaces and kilns for ceramics, refractories, and related thermal processes. While broader than ROTHO's niche, it is directly comparable in industrial thermal equipment technology (furnaces, ovens, process heat) used to dry and cure building materials.

Market position

Strengths4 records

Weaknesses4 records

Competitive moat5 records

Key risks6 records

Key highlights7 records

Customer concentration

• YouTubeyoutube.com/channel/UCMgAjtylRqxzcU_czx_yCQg
• LinkedInde.linkedin.com/company/rotho

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 Rotho