isea tec

What isea tec does

isea tec (legally iSEA Tec GmbH) is a specialized structural engineering consultancy founded in 2020 and headquartered in Konstanz, Germany, operating at the intersection of lightweight bridge construction, structural dynamics, and structural monitoring. The firm is built around four founding shareholders — managing partner Dr.-Ing. Andrei Firus and three professor-shareholders (Prof. Dr.-Ing. Roman Kemmler, Prof. Dr.-Ing. Jens Schneider, and Prof. Dr.-Ing. Steven Lorenzen as external consultant) — who combine academic research depth with practical engineering expertise across a team of approximately 12 members.

The company offers two interconnected service lines. The first, Structural Engineering, employs a proprietary numerical form-finding method that solves complex geometry and force conditions to produce material-optimized tension-compression structures, supporting architecturally demanding projects such as S-curve arch bridges, cable-net facades, and pedestrian/cycle footbridges. The second, Assessment, provides measurement-based evaluation of existing infrastructure using microwave interferometry, profile scanning, Bridge-WIM systems, and large-scale sensor monitoring installations (up to 300+ sensors per bridge), covering static/dynamic recalculations, experimental modal analysis, cable force determination, and real-time long-term monitoring with alarm functionality.

isea tec monetizes through project-based professional services acquired via public realization competitions (Realisierungswettbewerbe), direct commissions to infrastructure operators and architectural firms, and participation in publicly funded research consortiums (BMVI mFUND, dtec.bw, Eisenbahnbundesamt, Bundesanstalt für Straßenwesen). Its client base spans German federal agencies and railway operators (DB Netz AG, Helmut-Schmidt-Universität, BAST, EBA), Austrian partners (REVOTEC zt GmbH, KOB zt Wien, AIT Austrian Institute of Technology), and Canadian engineering firms (RJC Engineers for Toronto Zoo and Ottawa monument projects). The firm has secured three first-prize competition wins (Murfeld-Feldkirchen, Bramsche, Passerelle Steinen) and one second prize (Kinzigsteg Offenburg), and is active in at least five government-funded research programs covering bridge monitoring, noise barrier assessment, dynamic load modeling, and weigh-in-motion systems.

Name

isea tec

Legal name

iSEA Tec GmbH

Website

https://iseatec.de

Company type

Private

Founded year

2020

Operating status

Operating

Headcount range

1–10 employees

Short description

isea tec is a German structural engineering consultancy founded in 2020, providing form-finding design of architecturally demanding load-bearing structures and measurement-based assessment of existing infrastructure for railway operators, federal agencies, and architectural clients across Germany, Austria, and Canada.

Ownership category

akta.pro rank

Product category

Structural Engineering Services

NAICS

Engineering Services (541330), Testing Laboratories and Services (541380), Other Scientific and Technical Consulting Services (541690)

SIC

Services-Engineering Services (8711), Services-Testing Laboratories (8734)

akta.pro primary industry

Non-Destructive Testing (NDT) & Advanced Inspection (Phased Array, TOFD, Guided Wave) (EUAEAKAF)

akta.pro secondary industries

Structural & Civil Inspection (Steel, Concrete, Foundations) (EUAEAHAI), Engineering design services (line design, substation design, civil/structural) (EUADAKAG)

Keywords

• Structural engineering consultancy
• Bridge monitoring services
• Structural assessment services
• Form-finding design
• Infrastructure engineering

Headquarters

HQ city

Konstanz

HQ country

Germany

HQ region

Europe

Offices1 record

Markets served

GTM type

B2B

Offering type

Services

Cost components

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

Revenue model

1. Structural Engineering Consultancy Services: Design, form-finding, and optimization of architecturally demanding load-bearing structures including bridges, pedestrian walkways, cable structures, and noise barriers. Revenue is generated through project-based consultancy fees on public tenders, direct commissions, and competition wins.
2. Structural Assessment and Monitoring Services: Assessment of existing structures through static and dynamic short-term or long-term measurements, including installation of monitoring systems with sensors (accelerometers, displacement sensors, strain gauges, environmental sensors). Services include norm-compliant recalculations, cable force determination, modal analysis, and vibration assessment. Revenue is generated through measurement and consulting contracts, often in the context of research projects.
3. Research and Development Project Funding: Participation in publicly funded research projects (e.g., BMVI mFUND, dtec.bw) which contribute to company revenue and fund the development of new methodologies and technologies.

Go-to-market motion2 records

Distribution channels1 record

Marketing channels4 records

Core offering

isea tec is a specialized structural engineering consultancy that delivers two interconnected services: (1) Structural Engineering — form-finding and design of elegant, material-efficient load-bearing structures (bridges, pedestrian walkways, cable structures, noise barriers) using proprietary numerical methods for tension and compression optimization; and (2) Assessment — measurement, calculation, and evaluation of existing engineering structures using static/dynamic short- and long-term monitoring, contactless displacement measurement, modal analysis, and numerical model calibration.

Product overview

isea tec is a structural engineering consultancy offering two interconnected core services: Structural Engineering (form-finding and design optimization of lightweight, architecturally demanding load-bearing structures) and Assessment (measurement, calculation, and evaluation of existing engineering structures including monitoring services). The company also conducts applied research in bridge dynamics, infrastructure assessment, and monitoring technologies, often in partnership with universities and research institutions.

Differentiator

Problem solved

Functional benefit

Products and services

• Structural Engineering Form-finding and design services for elegant, material-efficient load-bearing structures (bridges, pedestrian walkways, cable structures, noise barriers, monuments) using tension and compression principles. Applies proprietary numerical methods to solve complex 3D geometries and produces material-minimized structures. Serves architects, construction companies, engineering firms, and infrastructure operators on competition entries and public infrastructure projects.
• Structural Assessment and Monitoring Measurement, calculation, and evaluation services for existing structures including static and dynamic short-term and long-term measurements, contactless dynamic displacement measurements via microwave interferometry and profile scanners, experimental modal analysis, numerical model calibration, norm-compliant recalculations, cable force determination, and real-time long-term monitoring with alarm functionality. Serves railway operators, federal infrastructure authorities, and municipal infrastructure owners.

Quantifiable outcome

• Extension of service life and improved availability of engineering structures through identification of hidden performance reserves
• +3 more outcomes

Named customers6 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

Feature7 records

Partnerships

Nine partnerships are on record, tiered core, major and minor.

• REVOTEC zt GmbH (Vienna, Austria)coreStrategic or Co-development PartnerLong-term strategic partnership in which isea tec and REVOTEC form a joint venture (ARGE Monitoring-Team Hamburger Brücken) for bridge monitoring projects. Collaborated on dtec.bw-SHM research project involving planning, installation, and operation of extensive bridge monitoring systems (up to 300+ sensors per bridge). Also collaborated on finite element modeling of prestressed concrete bridges.
• Helmut-Schmidt-Universität / Universität der Bundeswehr HamburgcoreStrategic or Co-development PartnerPrimary client and research partner in the dtec.bw-SHM project, commissioning isea tec (as part of ARGE with REVOTEC) for planning, procurement, installation, and operation of two large-scale bridge monitoring systems in Hamburg. The project is funded by dtec.bw – Zentrum für Digitalisierungs- und Technologieforschung der Bundeswehr.
• DB Netz AGcoreStrategic or Co-development PartnerKey infrastructure operator partner in the LSW-DOR research project (data-based optimization of residual service life of noise barriers on federal railway lines). DB Netz AG provides operational data and domain expertise. Also collaborated on bridge measurement projects through the bridge measurement unit (Fachstelle Brückenmessung) of DB Netz AG.
• AIT Austrian Institute of TechnologymajorStrategic or Co-development PartnerAustrian research partner in multiple consortium projects including LSW-DOR (noise barrier residual life optimization) and DEEB-INFRA (data-based extrapolation model for railway infrastructure). Contributes expertise in railway infrastructure assessment and monitoring.
• TU Darmstadt (Institute for Structural Engineering / Institute of Geodesy)coreStrategic or Co-development PartnerAcademic lead in multiple research projects including DEEB-INFRA, Dynamisches Lastmodell (in cooperation with KU Leuven and REVOTEC), and source of measurement methodology expertise. Institute of Geodesy at TU Darmstadt collaborated with isea tec on contactless displacement measurements using profile scanners on railway bridges. The founding shareholders have backgrounds at TU Darmstadt.
• Bundesanstalt für StraßenwesenmajorStrategic or Co-development PartnerFederal agency commissioning the Bridge-WIM (Weigh-In-Motion) research project for integration of bridge-based vehicle load measurements into the German highway axle load measurement network. Project involved B-WIM measurements on 18 bridge structures across three federal highways.
• RJC Engineers (Canada)majorImplementation/ SI/ Consulting PartnerCanadian engineering firm for which isea tec provided structural engineering services on two international projects: form-finding for Orang-Utan enclosure cable structure at Toronto Zoo (cables up to 80m free span) and structural design contribution for LGBTQ2+ National Monument in Ottawa (cantilevered cable ring structure with 32m diameter compression rings).
• Bung Ingenieure AG (Heidelberg)minorImplementation/ SI/ Consulting PartnerEngineering firm that collaborated with isea tec on the winning competition entry for the Footbridge and Cycle Bridge Bramsche, providing structural engineering integration in a multi-firm team with Schulitz Architekten and JKL Landschaftsarchitektur.
• KOB zt WienminorImplementation/ SI/ Consulting PartnerVienna-based engineering firm that collaborated with isea tec on the winning competition entry for the Murfeld-Feldkirchen footbridge near Graz, Austria.

Scale indicators4 records

Recent moves7 records

Expansion highlights6 records

Others

• AIT Austrian Institute of Technology: Austrian applied research organization partnering with isea tec on railway infrastructure research (LSW-DOR, DEEB-INFRA). Functions as a research consortium peer rather than commercial competitor, with overlapping expertise in bridge dynamics and monitoring.

Broad incumbents

• Arup: Global engineering consultancy with major German presence covering structural, civil, and infrastructure engineering. Overlaps with isea tec on bridge design and structural monitoring, but as a much larger, multi-disciplinary incumbent.
• BuroHappold Engineering: International engineering consultancy with structural engineering, infrastructure assessment, and building performance practices. Comparable to isea tec in bridge and structural work, but at much greater scale and geographic reach.
• Leonhardt, Andrä und Partner: Long-established German structural engineering consultancy with deep specialization in cable-stayed and large-span bridges. Comparable to isea tec on bridge engineering, but operates as a broad incumbent across a much wider portfolio.

Direct peers

• Werner Sobek: Stuttgart-headquartered engineering firm founded by Prof. Werner Sobek, specializing in lightweight, sustainable structures and structural engineering for complex buildings. Comparable academic-DNA model to isea tec and overlap in form-finding and innovative structural design.
• Bung Ingenieure AG: Heidelberg-based bridge and structural engineering consultancy with strong focus on German and international bridge design. Comparable to isea tec's bridge design and assessment work, and is already a collaboration partner on the Bramsche competition entry.
• Bollinger + Grohmann: Frankfurt-based structural engineering consultancy working on complex architecture and engineering projects across Europe. Comparable to isea tec in innovative structural design for architecturally demanding projects, though at significantly larger scale.
• Knippers Helbig Advanced Engineering: German structural engineering firm focused on complex geometry, lightweight structures, and bridge design. Directly comparable to isea tec's form-finding and design optimization work, with broader international project exposure.
• Schlaich Bergermann Partner (sbp): Stuttgart-based structural engineering consultancy specializing in lightweight and bridges, with deep academic roots. Closely comparable to isea tec in form-finding for tensile/compressive structures and bridge design, but at much larger scale and global footprint.

Emerging players

• REVOTEC zt GmbH: Vienna-based structural engineering firm forming ARGE joint ventures with isea tec for bridge-monitoring projects in Hamburg. Highly comparable in scale and Austrian/German market focus, with similar academic DNA.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat4 records

Key risks6 records

Key highlights7 records

Customer concentration

• LinkedInlinkedin.com/company/iseatec

Compliance1 record

Revenue estimate

Valuation estimate

Number of profiles

Profiles5 records

Funding overview

Funding rounds

Investors

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M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about isea tec