What Damptech does

Damptech A/S is a Danish specialty engineering firm, headquartered in Kongens Lyngby, Denmark, that designs and sells patented Rotational Friction Damping devices for seismic and vibration protection of buildings, bridges, elevated highways, towers, offshore structures, industrial facilities, and prefabricated panels. The core technology consists of multiple steel plates rotating against each other in opposite directions, separated by shims of friction pad material; the relative rotation generates stable, velocity- and frequency-independent friction that dissipates seismic and wind-induced energy without the stick-slip behavior of conventional linear friction dampers. The product portfolio spans 4J dampers (5 kips to 1125 kips / 20 kN to 5000 kN) in V-bracing, diagonal, toggle, panel, rhombus, base-isolation, multilevel, and elevated-highway configurations, plus the Rubber Bearing Friction Damper (RBFD) and the hybrid F-VEDD device combining friction and viscoelastic mechanisms.

The company operates a B2B enterprise field-sales model, selling directly to structural engineers, architects, general contractors, and project owners on major new-build and retrofit projects, supported by a network of international engineering partners and distributors (including Takenaka, Arup, Degenkolb, Dywidag, Kawakin Core-Tech, AMTE, ES-Consult, and others) representing the firm across Japan, the US, Türkiye, Greece, Germany, and other markets. Pricing is project-specific and quote-based rather than publicly disclosed, with hardware sales as the single revenue stream. Damptech employs approximately 10 people, holds patents in the technology (originally 1999, most recently 2014), is wholly owner-held with no disclosed external investors, and its dampers are CE certified to EN15129:2018 under EU Construction Products Regulation 305/2011. Customer evidence spans 18+ named reference projects across at least 13 countries — including Japan's tallest building (Abenobashi Terminal Building, 300m), the Middle East hospital sector, the Bank of California, the Lusail pedestrian bridges (Qatar), and a Danish power plant — supported by 25 years of laboratory testing (including validations at DTU and NCREE Taiwan) and 20+ years of field experience.

Name

Damptech

Legal name

DAMPTECH A/S

Website

https://damptech.com

Company type

Private

Founded year

1999

Operating status

Operating

Headcount range

1–10 employees

Short description

Damptech A/S is a Danish specialty engineering firm that designs and sells patented Rotational Friction Damping devices for seismic and vibration protection of buildings, bridges, towers, and industrial structures, serving structural engineers, contractors, and project owners globally through direct sales and engineering partners.

Ownership category

akta.pro rank

Product category

Seismic Protection Devices

NAICS

Other General Purpose Machinery Manufacturing (3339)

akta.pro primary industry

Vibration Control & Anti-Vibration Products (Mounts, Bushings, Isolators) (IMANALAD)

Keywords

• Seismic protection devices
• Vibration control dampers
• Rotational friction dampers
• Structural engineering dampers
• Earthquake protection hardware

Headquarters

HQ city

Kongens Lyngby

HQ country

Denmark

HQ region

Europe

Offices1 record

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

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

Revenue model

1. Friction Damper Device Sales: Damptech generates revenue through the sale of its proprietary rotational friction damper devices. Products are sold directly to engineering firms, construction contractors, and project owners for use in new construction and retrofit projects. Damper sales encompass a range of sizes and capacities from small V-dampers (10-100 kN) to large capacity dampers (up to 5000 kN), as well as specialty products like Rhombus dampers, panel dampers, and base isolation systems.

Go-to-market motion1 record

Distribution channels2 records

Marketing channels4 records

Core offering

Damptech manufactures and supplies patented rotational friction dampers designed for seismic protection and vibration control of structures. The product line includes multiple damper configurations (braces, panel walls, base isolation, cable stays, bridges, industrial and impact applications) engineered to dissipate energy and protect buildings, bridges, towers, and other infrastructure from earthquake and vibration loads.

Product overview

Damptech offers a comprehensive portfolio of seismic protection products based on its proprietary patented Rotational Friction Damping Technology. The core offering includes the 4J Rotational Friction Damper family (Multi Unit Friction Dampers) with various configurations including V-Dampers, Diagonal Brace Dampers, Toggle Brace Dampers, Panel Wall Dampers, Rhombus Dampers, and the Multilevel Damper (2-level). The product line extends to specialized applications including Base Isolation Dampers, Cable Stay Dampers, Elevated Highway Dampers, Rubber Bearing Friction Dampers (RBFD), Industrial Dampers, Impact Dampers, and the F-VEDD (Friction-ViscoElastic Damper Device). Damptech dampers protect buildings, bridges, elevated highways, towers, offshore structures, industrial buildings, houses, and prefabricated panels against earthquakes, storms or waves. The dampers range in capacity from 5 kips to 1125 kips/20 to 5000 kN, with the 5000 kN damper being one of the largest capacity dampers in the world.

Differentiator

Problem solved

Functional benefit

Brands

• 4J Rotational Friction Damper: The signature damper product used in many configurations including V-bracing, diagonal bracing, and panel dampers. Capacities range from 5 kips to 1125 kips/20 to 5000 kN.
• V-Damper
• F-VEDD (Friction-ViscoElastic Damper Device)
• RBFD (Rubber Bearing Friction Damper)
• Multilevel Damper
• Rhombus Damper
• Panel Dampers
• Multi Unit Friction Dampers

Products and services

• Rotational Friction Dampers (patented product family) Patented rotational friction dampers manufactured by Damptech for seismic protection and vibration control of structures. Sold to engineering firms, contractors, and project developers for use in buildings, bridges, towers, base isolation, and other structural applications.

Quantifiable outcome

• 59% reduction in lateral displacement under El Centro earthquake motion (shake table test, Taiwan)
• +4 more outcomes

Named customers19 records

Segments5 records

Ideal customer profiles1 record

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature7 records

Partnerships

Twelve partnerships are on record, tiered core and supporting.

• Takenaka Corporation (Japan)coreStrategic or Co-development PartnerTakenaka Corporation is a major Japanese general contractor and engineering firm. They collaborated with Damptech on multiple projects in Japan including the retrofit of ancient temples (Yaguri-ji Temple, Taishido Building), the 5-story laboratory building base isolation project in Osaka, and the Laurel Tower residential project. Takenaka conducted rigorous structural testing of Damptech dampers at their facilities.
• Kawakin Core-Tech (Japan)supportingTechnology or IntegrationKawakin Core-Tech conducted rigorous structural testing of Damptech's 150kN damper at their testing laboratories in Japan, contributing to the required approval process for the Japanese market.
• Promer (Türkiye)supportingChannel Partner/ Reseller/ DistributorPromer is listed as an engineering company partner, likely providing Damptech product representation and technical support in the Turkish market.
• Dinamik (Türkiye)supportingChannel Partner/ Reseller/ DistributorDinamik (Dynamic Engineering) is listed as an engineering company partner, likely providing Damptech product representation and technical support in the Turkish market.
• Dywidag (Germany)supportingStrategic or Co-development PartnerDywidag, a German engineering company, collaborated with Damptech on cable-stayed bridge damping solutions. They co-authored a technical paper 'Damping of Cable Stayed Bridges With Rotational Friction Dampers' presented at the 18th WCEE.
• Degenkolb (USA)supportingChannel Partner/ Reseller/ DistributorDegenkolb is a US-based engineering firm and is listed as an engineering company partner for Damptech, likely providing product representation and technical support in the US market.
• AMTE (Greece)supportingChannel Partner/ Reseller/ DistributorAMTE is a Greek engineering company listed as a partner, likely providing Damptech product representation and technical support in the Greek market.
• ArupcoreStrategic or Co-development PartnerArup, the global engineering consultancy, is listed as an engineering company partner. As a leading structural engineering consultancy working on landmark projects worldwide, Arup may specify Damptech products in their engineering designs.
• ES-Consult (Denmark)supportingTechnology or IntegrationES-Consult is a Danish engineering consultancy listed as a partner, likely providing local technical support and Damptech product representation in the Danish market.
• National Center for Research on Earthquake Engineering (NCREE), TaiwansupportingStrategic or Co-development PartnerNCREE in Taiwan conducted intensive experimental research on Damptech friction damper devices in April 2001, testing a 3-storey building on a large-scale shaking table. The test simulated earthquake motions including El Centro, Kobe, and Chichi events.
• Technical University of Denmark (DTU)supportingStrategic or Co-development PartnerDTU is one of Europe's leading structural testing laboratories. Damptech conducted 5000 kN damper testing at DTU facilities. DTU's rigorous testing validated Damptech's large capacity dampers.
• Sanyo Homes (Japan)supportingChannel Partner/ Reseller/ DistributorSanyo Homes is a Japanese homebuilder that used Damptech dampers in the DAINICHI TOWERS project — the largest residential development in western Japan with 1,163 units across three 40-story towers.

Scale indicators5 records

Recent moves6 records

Expansion highlights4 records

Regional players

• Kawakin Holdings: Kawakin Holdings is a Japanese engineering firm that manufactures seismic dampers, isolation bearings, and vibration control devices. It is a listed research/testing partner of Damptech in Japan and competes regionally in the same specification channels.
• VISCO Ltd. VISCO is a South Korean manufacturer of viscoelastic dampers and seismic protection devices for buildings and infrastructure. It overlaps with Damptech's F-VEDD and structural damper products in the Korean and broader Asian market.

Direct peers

• FIP Industriale: FIP Industriale is an Italian manufacturer of structural bearings, isolators, and dampers for bridges and buildings. Its product portfolio overlaps directly with Damptech's seismic protection and base isolation offerings for civil infrastructure.
• Gerb Vibration Control Systems: Gerb is a German manufacturer of vibration isolation systems for buildings, industrial machinery, and infrastructure. It competes with Damptech in machine-induced vibration and structural isolation applications.
• Mageba: Mageba is a Swiss-headquartered manufacturer of structural bearings, expansion joints, and seismic devices for bridges and buildings. It competes with Damptech on bridge dampers and base-isolation hardware in international infrastructure tenders.
• Taylor Devices: Taylor Devices is a US-based, publicly traded manufacturer of seismic dampers, shock absorbers, and structural protection devices used in buildings, bridges, and military applications. It is the most direct global competitor to Damptech in the friction/seismic damper category.
• Earthquake Protection Systems: Earthquake Protection Systems (EPS) is a US specialty engineering firm focused on seismic base isolation and damping for buildings and bridges. It directly overlaps with Damptech's RBFD and base isolation damper product lines.
• Maurer SE: Maurer SE is a German manufacturer of structural protection systems including tuned mass dampers, hydraulic dampers, and seismic isolators for bridges and buildings. Its product portfolio spans many of the same applications as Damptech's dampers.

Broad incumbents

• Sumitomo Rubber Industries (Bridgestone): Sumitomo Rubber Industries (part of Bridgestone group) supplies high-damping rubber bearings used in seismic base isolation of buildings and bridges. It is a broad incumbent in the elastomeric bearing category that complements Damptech's RBFD product.
• Enidine (ITT Inc.): Enidine, part of ITT Inc., manufactures shock absorbers, vibration isolation products, and seismic dampers for industrial, defense, and structural applications. It is a broader incumbent with significant scale advantages versus Damptech in vibration control.

Market position

Strengths5 records

Weaknesses4 records

Competitive moat5 records

Key risks5 records

Key highlights7 records

Customer concentration

• LinkedInlinkedin.com/company/damptech

Compliance1 record

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 Damptech