What Comtest does

Comtest (Comtest Engineering BV) is a privately held, family-owned Dutch engineering company headquartered in Zoeterwoude, Netherlands, founded approximately in 1985. It designs, manufactures, and delivers electromagnetic compatibility (EMC) test chambers, antenna test ranges, and RF-shielded rooms for enterprises that must certify the electromagnetic behavior of their electronic products. Its product catalog spans more than fourteen chamber configurations engineered to meet the principal international EMC and wireless compliance standards (including CISPR, MIL-STD, DO-160, and automotive EMC directives), enabling customers in automotive, consumer electronics, industrial, telecommunications, defense, and aerospace to validate radiated and conducted emissions and susceptibility in-house.

The company manufactures the underlying absorber and shielding components in-house — accumulating 500,000 absorbers, 12 million ferrite tiles, and 35,000 km of gaskets across its lifetime — which supports both chamber production and a recurring aftermarket service and revalidation business. Comtest monetizes primarily through capital equipment sales of custom-engineered chambers (typically priced in the high hundreds of thousands to several million dollars per installation) supplemented by long-tail service, absorber/gasket replacement, and chamber revalidation contracts tied to its installed base. Its distribution is direct-to-enterprise, with operations spanning Europe and global markets.

The company's customer base includes marquee enterprise names across multiple verticals: Philips and Victron in consumer/industrial, NXP Semiconductors (with three chambers), BMW, Tesla, Continental, and Danfoss in automotive, Vodafone in telecom, and Lockheed Martin and Johns Hopkins in defense and aerospace. With 11–50 employees and no external investors, Comtest operates as a focused, capital-light specialist whose competitive position is built on 38 years of engineering know-how and a 1,500-chamber installed base worldwide rather than scale or breadth of product line.

Name

Comtest

Legal name

Comtest Engineering BV

Website

https://comtest.eu

Company type

Private

Founded year

1985

Operating status

Operating

Headcount range

11–50 employees

Short description

Comtest (Comtest Engineering BV) is a Dutch family-owned specialist that designs and manufactures EMC test chambers, antenna test ranges, and RF-shielded rooms for enterprise customers across automotive, defense, aerospace, telecom, semiconductor, and consumer electronics industries.

Ownership category

akta.pro rank

Product category

EMC Test Chambers

NAICS

Instrument Manufacturing for Measuring and Testing Electricity and Electrical Signals (334515), Testing Laboratories and Services (541380), Electronic and Precision Equipment Repair and Maintenance (811210)

SIC

Instruments For Meas & Testing Of Electricity & Elec Signals (3825), Services-Testing Laboratories (8734)

akta.pro primary industry

EMI/EMC & Filtering Components (Common-mode chokes, filters, shielding materials) (IMAGAJAN)

Keywords

• EMC test chambers
• Anechoic chambers
• Reverberation chambers
• RF shielded rooms
• Antenna test ranges

Headquarters

HQ city

Zoeterwoude

HQ country

Netherlands

HQ region

Europe

Offices1 record

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

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

Revenue model

1. Test Chamber Sales: Sale of custom EMC testing chambers, antenna test chambers, and RF-shielded rooms. Chambers are built to specification or delivered pre-fabricated depending on customer requirements and size.
2. Installation and Project Services: Design, installation, and commissioning of test chambers at customer locations as part of turnkey solution delivery.
3. Maintenance and Validation Services: Preventive maintenance on RF-shielded doors, mode-stirrer systems, and positioning equipment such as turntables. Validation services to ensure chambers function within intended limits. Includes yearly certifications.
4. Chamber Upgrades: Upgrade services for existing test chambers to extend capabilities, improve performance, or meet new regulatory requirements.

Go-to-market motion1 record

Distribution channels1 record

Marketing channels4 records

Core offering

Comtest designs, builds, and maintains tailored EMC (electromagnetic compatibility) and antenna test chambers — including semi and full anechoic chambers, reverberation chambers, and RF-shielded rooms (Faraday cages) — delivered as turnkey solutions from design and installation through upgrades and yearly certifications. Offerings span military, automotive, aerospace, telecom, industrial, medical, and government use cases with chambers compliant to CISPR, MIL-STD, IEC, ISO, ETSI, DO-160, and SDIP standards, complemented by validation, preventive maintenance, and EMC/antenna testing services.

Product overview

Comtest offers a portfolio of specialized EMC and antenna test chambers as a unified solution for electromagnetic compatibility testing. The product line centers on anechoic chambers and reverberation chambers supporting multiple international standards including CISPR-16, CISPR-25, CISPR-32, MIL-STD-461, MIL-STD-464, IEC-61000, ISO-11452, SDIP-27, ETSI, DO-160, and Pre-CISPR-16. These core testing chambers are complemented by RF-Shielded Rooms, which serve as Faraday cages for conducted testing and critical hardware protection. The offering extends through Chamber Upgrades (maintenance and modernization services for existing equipment), and comprehensive services including validation testing, preventive maintenance on RF-shielded doors, mode-stirrer systems, and turntable positioning equipment. Comtest delivers turnkey solutions from design to installation, including yearly certifications, with chambers suitable for automotive, consumer, industrial, telecom, defense, and aerospace sectors.

Differentiator

Problem solved

Functional benefit

Products and services

• Anechoic Chambers (multi-standard) Shielded, absorber-lined test enclosures that simulate free-space conditions by suppressing reflections, used by enterprise R&D and compliance labs to perform radiated emissions and immunity testing across international EMC standards. Customers include NXP Semiconductors, Philips, Danfoss, Victron Energy, Emitech, Treo, and OSPL.
• Reverberation Chambers (multi-standard) Mode-stirred test enclosures that generate statistically uniform high-field environments using mechanical stirrers and RF-shielded doors for immunity testing under IEC-61000, ISO-11452, CISPR-32, and DO-160 standards. Used by automotive, industrial, telecom, and aerospace customers.
• RF-Shielded Rooms (Faraday Cages) Faraday cage enclosures built with RF shielding, ferrite tiles, and gaskets to provide electromagnetic isolation for conducted emission and immunity measurements and to protect sensitive information and critical hardware. NXP Semiconductors operates three Comtest RF-shielded facilities at the High-Tech Campus Eindhoven.
• Antenna Test Ranges Custom-engineered antenna test ranges for R&D and product testing, supporting antenna performance verification, ETSI telecom equipment compliance, and broader antenna measurement workflows for enterprise customers including telecom and aerospace.
• Chamber Upgrades Service offering to upgrade, modernize, and re-certify existing EMC and antenna test chambers, including preventive maintenance on RF-shielded doors, mode-stirrer systems, and turntable positioning equipment, to extend chamber life and maintain compliance.
• Validation Services Recurring validation and certification service that verifies EMC test chambers and RF-shielded rooms operate within specified limits, with yearly certifications to ensure compliance continuity and avoid unexpected downtime.
• EMC Testing Services Test-as-a-service offering using Comtest's own anechoic and reverberation chambers to perform radiated emissions and immunity measurements for enterprise customers needing external EMC test capacity.
• Antenna Testing Services Service offering for antenna performance measurement and verification, providing customers with access to Comtest's custom antenna test ranges for R&D and product certification.
• Turnkey Chamber Solutions (Design-to-Installation) Project-based service bundling chamber design, manufacturing, on-site or pre-fabricated delivery, installation, and commissioning into a single turnkey engagement, executed by named technical consultants and supported by the proprietary five-step worry-free process.

Quantifiable outcome

• Chambers can be completed within one week for standard configurations
• +2 more outcomes

Named customers13 records

Segments9 records

Ideal customer profiles4 records

Technology focussed Yes

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature5 records

Partnerships

One partnership is on record.

• DMASminorOthersDMAS (Dutch Medical Audit Services) is mentioned as a related company/organization on the Comtest website. The relationship appears to be affiliated but specific partnership details are not elaborated. DMAS operates independently as a medical audit organization.

Scale indicators6 records

Recent moves4 records

Expansion highlights4 records

Broad incumbents

• Rohde & Schwarz: Rohde & Schwarz is a leading test and measurement equipment vendor that also offers EMC test solutions including chambers. It is a broad incumbent rather than a pure chamber specialist but competes for the same EMC testing budgets at automotive, telecom, and defense customers.

Direct peers

• TDK RF Solutions: TDK RF Solutions (part of TDK) designs and builds EMC test chambers and shielded rooms across automotive, industrial, and defense customers. It competes head-to-head with Comtest on MIL-STD-461, ISO-11452 and CISPR-compliant anechoic and reverberation chambers, and benefits from parent-company scale.
• Frankonia Solutions: Frankonia is a German specialist in EMC and RF test chambers (anechoic and reverberation), serving automotive, telecom, defense, and aerospace customers with CISPR, MIL-STD and ETSI-compliant solutions. It is one of the most direct European competitors to Comtest.
• Albatross Projects: Albatross Projects designs, builds and installs EMC/RF shielded rooms, anechoic chambers and turnkey test facilities worldwide. It competes directly with Comtest's RF-shielded room and anechoic chamber lines and serves similar automotive, defense, and telecom customer segments.
• ETS-Lindgren: ETS-Lindgren is the largest global manufacturer of EMC test chambers, anechoic and reverberation chambers, and RF-shielded rooms. It is the closest direct competitor to Comtest, offering the same core product lines (CISPR, MIL-STD, IEC-61000 compliant chambers) at global scale with significantly larger headcount and broader service footprint.
• MVG (Microwave Vision Group): MVG specializes in antenna measurement systems and anechoic chambers for wireless and EMC testing, with strong overlap to Comtest's antenna test range product line. It serves telecom, defense, and aerospace customers with comparable custom test range solutions.

Regional players

• Euro EMC Service: Euro EMC Service is a European-based EMC testing and chamber provider focused on serving customers in the EU region. It overlaps with Comtest's customer base in automotive and industrial EMC compliance testing, particularly within continental Europe.

Emerging players

• EMITE Test Engineering: EMITE Test Engineering is a Spain-based specialist in reverberation and anechoic chamber-based EMC testing, with focus on Bluetooth, Wi-Fi, and wireless device compliance. It is an emerging player with narrower technology scope but overlapping customer targets versus Comtest.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks5 records

Key highlights6 records

Customer concentration

• Xx.com/comtestemc

Revenue estimate

Valuation estimate

Number of profiles

Profiles3 records

Subsidiaries1 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 Comtest