About us
Welcome to J&J Medical Gas Ltd, specialist providers of medical gas maintenance, installation, repair and compliance support.
Based in London and Essex, we support healthcare, dental, veterinary, laboratory and industrial environments with medical gas systems, compressors, vacuum pumps, scavenging systems, gas manifolds, alarms, terminal units and associated equipment.
J&J Medical Gas Ltd is committed to delivering reliable, compliant and practical support tailored to each site’s requirements. From planned preventative maintenance and fault finding through to remedial works, replacements and emergency call out support, we help clients keep critical gas systems safe, operational and properly maintained.
Who We Serve
At J&J Medical Gas Ltd, we support a variety of sectors, including:
- Hospitals — Ensuring critical systems operate safely and effectively.
- Dental Practices — Delivering compliant and safe gas solutions for dental care.
- Veterinary Clinics — Providing specialised medical gas systems for veterinary needs.
- Laboratories — Supplying precise and dependable gas management for research facilities.
- Industrial Sector — Offering robust gas system solutions for industrial applications.
We offer:
- Comprehensive Maintenance — Preventative care to keep systems running smoothly.
- Commissioning and calibration services — Performance testing of medical gas systems and rebalancing of AGSS.
- Expert Repairs and Replacements — Quality repairs and system overhauls using certified equipment.
- 24/7 Emergency Call-Out — Prompt response to urgent issues to minimise downtime.
- AP (authorised person) Medical Gas Services — 24 hour on site AP cover.
Our Commitment
We maintain high standards in health and safety, quality management, and data protection, including Cyber Security. Our team is trained to provide safe, secure, and compliant services that meet client expectations.
Get in touch to see how J&J Medical Gas Ltd can assist with your medical and industrial gas system requirements.

Accreditations
As J&J Medical Gas Ltd we are committed to maintaining high standards in every aspect of our work. From day one, we have recognised the importance of working to established industry standards to deliver safe, reliable and professional service.
Our approach is built on hands on experience, attention to detail, and a commitment to continuous improvement. As J&J Medical Gas Ltd grows, we will continue to strengthen our processes and uphold the standards that support quality, safety and client confidence.
Our training and experience
At J&J Medical Gas Ltd, we pride ourselves on a strong foundation of specialist training and hands on experience. We are medically gas trained and hold a BTEC Level 4 qualification in medical gases. Our team has completed comprehensive training on compressors, pumps, and medical gas systems from a variety of manufacturers.
We are also Cattani trained, one of the leading manufactures in dental compliant air and suction systems, making us fully competent in working with dental compressors and wet suction pumps. Our experience includes working within live hospital environments, specialising in fault finding on compressors and medical gas plants, leak detection and repair, and maintenance requirements.
To support this, we carry all certified equipment needed for our work from calibrated test probes to gas rebalancing tools ensuring precise and compliant service every time. Additionally, our team is first aid trained, asbestos trained, and health and safety trained. We hold the necessary waste licenses to safely remove oils, waste, and other hazardous materials in accordance with regulations.

Contact us
For all enquiries and service requests, contact us via the form. We're here to help.