Andersen Sterilizers

What Andersen Sterilizers does

H.W. Andersen Products Ltd., trading as Andersen Sterilizers and Andersen Products, is a privately held UK medical device company founded in 1960 that designs, manufactures, and services ethylene oxide (EtO) gas sterilization systems. The company's core technology is a micro-dose EtO delivery platform that uses only 17.6 g of gas per cycle — roughly 90% less than competing EtO systems — within a negative-pressure cabinet that combines active aeration in the same chamber. The product portfolio centers on three sterilizer families: the Anprolene AN75 series of FDA-cleared room-temperature tabletop sterilizers, the EOGas Series 4 fast-cycle (3.5 hours at 50°C) bench-top sterilizer FDA-cleared for endoscope reprocessing, and the higher-capacity EOGas Series 3 multi-load systems. Supporting consumables include unit-dose EtO ampoules, liner bags, Humidichips, Class 5 dosimeters, biological indicators, and an EO Abator that scrubs over 99% of EtO from exhaust.

Andersen operates a hybrid business model. Sterilizer cabinets are sold as one-time capital purchases with lifetime free operator training, while consumables, dosimeters, biological indicators, and abator cartridges generate recurring revenue tied to the installed base. A contract sterilization laboratory at the Clacton-on-Sea headquarters provides outsourced EtO sterilization for customers that prefer not to purchase equipment. Wholly owned subsidiaries in France (H.W. Andersen SARL) and the United States (H.W. Andersen Products Inc.) handle direct sales in core markets, while a distributor network of more than 60 country-specific partners extends reach across Europe, the Middle East, Africa, Asia-Pacific, and Latin America. Customer verticals span veterinary practices (a primary segment, evidenced by multiple long-tenure testimonials), hospitals and healthcare facilities (endoscopy, surgical instruments), medical device manufacturers (terminal sterilization and validation), dental practices, plastic surgery clinics, tattoo and piercing studios, and academic institutions.

Pricing is quote-based and not publicly disclosed. Regulatory anchors include FDA clearances for AN75 and Series 4 (endoscopes), Health Canada licensure, ISO 11138 compliance for biological indicators, ISO 11140-1:2005 compliance for dosimeters, and EN ISO 556-1 compliance for sterility assurance. The company is family/owner-managed, with no disclosed institutional investment, no public listing, and no recorded M&A activity in the source data.

Name

Andersen Sterilizers

Legal name

H.W. Andersen Products Ltd.

Website

https://anderseneurope.com

Company type

Private

Founded year

1960

Operating status

Operating

Headcount range

101–250 employees

Short description

Andersen Sterilizers is a privately held UK medical device company founded in 1960 that designs, manufactures, and services low-temperature ethylene oxide (EtO) gas sterilization systems and consumables for hospitals, veterinary practices, medical device manufacturers, and research institutions across more than 60 countries.

Ownership category

akta.pro rank

Product category

Sterilization Equipment

NAICS

Electromedical and Electrotherapeutic Apparatus Manufacturing (334510)

SIC

Surgical & Medical Instruments & Apparatus (3841)

akta.pro primary industry

Sterilization Equipment & Systems (Autoclaves, Low-Temp, ETO, H2O2, UV) (HLAHANAA)

Keywords

• Ethylene oxide sterilization
• Gas sterilization equipment
• Low temperature sterilization
• Medical device sterilization
• Sterilization consumables

Headquarters

HQ city

Clacton-on-sea

HQ country

United Kingdom

HQ region

Europe

Offices3 records

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

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

Revenue model

1. Sterilizer Hardware Sales: Sale of EtO gas sterilizer cabinets including Anprolene AN75 series, EOGas Series 3, and EOGas Series 4. Products range from entry-level tabletop ambient temperature units to high-capacity heated cabinets.
2. Consumables and Refill Kits: Recurring revenue from consumables including EtO ampoules (17.6g or 10.5g), liner bags, Humidichips, Dosimeters, and Biological Indicators. Refill kits available in various cycle counts (14, 23, or 50 cycles per kit).
3. Contract Sterilization Services: Off-site contract sterilization services for healthcare facilities that don't want to invest in sterilization equipment. Based in Clacton, Essex. Fast turnaround typically 5 working days. 30°C or 50°C cycle options.
4. Accessories and Spare Parts: Sale of accessories including EO Abators, Biological Indicator incubators, and other sterilization monitoring equipment.

Pricing tiers

Go-to-market motion1 record

Distribution channels1 record

Marketing channels5 records

Core offering

Andersen Sterilizers (H.W. Andersen Products Ltd.) designs, manufactures, and services ethylene oxide (EtO) gas sterilization cabinets and supporting consumables for healthcare, veterinary, and medical device applications. Core products include the Anprolene AN75 series (room-temperature sterilizers), EOGas Series 3 and Series 4 (heated cabinet sterilizers), along with refill kits, dosimeters, humidichips, biological indicators, and EO abators. The company also provides off-site contract EtO sterilization services from its Clacton, Essex laboratory.

Product overview

Andersen Sterilizers provides a comprehensive portfolio of ethylene oxide (EtO) gas sterilization products and services for healthcare, veterinary, and medical device industries. The core product line includes three sterilizer cabinet families: the Anprolene AN75 Series (FDA-cleared room-temperature sterilizers), the EOGas Series 4 (fast tabletop units with 3.5-hour cycles), and the EOGas Series 3 (high-capacity multi-load systems). These are supported by a complete ecosystem of consumables including refill kits, dosimeters, humidichips, and biological indicators, plus the AN-5200 EO Abator for emissions control. The company also offers contract sterilization services from its UK laboratory for customers who prefer outsourcing. The AN74 Series has been retired in favor of the newer AN75 generation but remains supported.

Differentiator

Problem solved

Functional benefit

Brands

• Anprolene: Room-temperature gas sterilizers using 100% ethylene oxide. Includes AN74 and AN75 series tabletop sterilizers.
• EOGas

Quantifiable outcome

• 90% less EtO per cycle compared to other sterilization systems (17.6g vs. typically 150g+)
• +4 more outcomes

Named customers6 records

Segments7 records

Ideal customer profiles4 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature5 records

Partnerships

Eight partnerships are on record, tiered core and minor.

• H.W. Andersen SARL (France)coreChannel Partner/ Reseller/ DistributorFrench subsidiary and distributor handling France and French-speaking markets. Part of the H.W. Andersen group of companies with offices in UK, France, and USA.
• H.W. Andersen Products Inc. (USA)coreChannel Partner/ Reseller/ DistributorUS operations entity serving North American markets with multiple office locations (California and headquarters).
• Austvet Endoscopy (Australia)minorChannel Partner/ Reseller/ DistributorAustralian distributor specializing in veterinary endoscopy equipment, representing Andersen Products in the Australian veterinary market.
• Eickemeyer (Germany)minorChannel Partner/ Reseller/ DistributorGerman veterinary equipment distributor handling Andersen Products for the veterinary market in Germany.
• B. Braun VetCare (Spain)minorChannel Partner/ Reseller/ DistributorSpanish distributor for veterinary products through B. Braun's veterinary division.
• Alcyon Italia s.p.a. (Italy)minorChannel Partner/ Reseller/ DistributorItalian veterinary equipment distributor representing Andersen Products in Italy.
• Thermo Fisher Scientific (Singapore, Malaysia)minorChannel Partner/ Reseller/ DistributorRegional distributor for Singapore and Malaysia markets through Thermo Fisher Scientific's regional operations.
• AAMI (Association for Advancement of Medical Instrumentation)coreStrategic or Co-development PartnerIndustry association referenced for hosting a 2017 stakeholder meeting on EtO sterilization being superior to disinfection for endoscope reprocessing. Andersen Products participates in industry discussions on sterilization standards.

Scale indicators5 records

Recent moves7 records

Expansion highlights5 records

Broad incumbents

• Getinge: Swedish medtech company with a major sterilization equipment and infection control portfolio including EtO systems. Comparable as a direct competitor in hospital sterilization with broader product breadth and global service footprint.
• Steris: Global leader in sterilization and infection prevention, offering EtO sterilizers, steam autoclaves, and a full contract sterilization network. Directly comparable as a primary EtO competitor with broader scale and service infrastructure.
• 3M (Health Care / Attest): Diversified medtech player with sterilization monitoring products (Attest biological indicators) and historical involvement in sterilization. Competes with Andersen in sterilization consumables and adjacent quality assurance products.

Direct peers

• Belimed: Swiss-based sterilization, disinfection, and cleaning equipment provider serving hospitals and laboratories. Comparable as a mid-sized specialist in sterilization equipment with overlapping low-temperature and steam offerings.
• Priorclave: UK-based manufacturer of laboratory and research-grade autoclaves and sterilization equipment. Comparable as a smaller UK-headquartered sterilization specialist serving laboratory and research customers — a segment also served by Andersen.
• Matachana: Spanish manufacturer specializing in sterilization and infection control equipment for hospitals, pharmaceutical, and laboratory markets. Comparable as a niche specialist in low-temperature sterilization facing similar competitive dynamics to Andersen.
• Tuttnauer: Manufacturer of autoclaves and sterilization equipment for medical, dental, and laboratory markets. Closely comparable as a specialized sterilization equipment vendor targeting similar SMB and mid-market healthcare and veterinary customers.
• Astell Scientific: UK-based manufacturer of autoclaves, sterilization equipment, and laboratory products. Comparable as a similarly sized UK-headquartered specialist with overlapping medium-capacity sterilization offerings.
• LTE Scientific: UK-based manufacturer of sterilization and laboratory equipment including autoclaves and incubators. Comparable as a similarly sized UK-based specialist with overlap in laboratory and medical sterilization.

Regional players

• Shinva Medical Instrument: Chinese manufacturer of sterilization and disinfection equipment, surgical instruments, and medical devices. Comparable as a sterilization equipment competitor serving primarily the Chinese and broader Asian markets.

Market position

Strengths4 records

Weaknesses4 records

Competitive moat5 records

Key risks6 records

Key highlights6 records

Customer concentration

• Xx.com/anderseneto

Compliance5 records

Revenue estimate

Valuation estimate

Number of profiles

Subsidiaries3 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 Andersen Sterilizers