February 23, 2026
Leaders in induction sealing technology since 1984.
Scroll
Sealing, made better.
Quality, control, consistency, value, timescale, environmental responsibility: in all these areas, and in almost every field of industry, Induction Sealing has created a seismic leap forward from Conduction Heating.
Hermetic seals that prevent leakage and tampering and maintain the highest standards of hygiene and freshness, Induction Seals provide today’s leading-edge solutions to everything from food packaging issues to lifesaving medical challenges.
Relco, founded by brothers Mark and Paul Gill, offers a range of world-beating induction sealing technology of every scale, along with the most collaborative, committed and diverse support offering you could hope to find.
Boundless expertise and a desire to collaborate
We work with a wide range of industries
Millions sealed every year. Unfathomable scale, unfathomable precision.
Scroll
Our Solutions
At the heart of Relco is our core solutions, combining industry leading technology and production line design.
Our Solutions
Capless Induction Sealing
Perfect for a wide range of applications.
With no need for conventional cap and screw thread, our units can directly apply hermetic seals onto containers or components such as vials, valves or closures. Compact, efficient and built to suit your specific application, punch and seal unit delivers bespoke cap-less induction sealing for OEM filling/assembly equipment.
Find out more
Screw Cap Induction Sealing
Enabling some of the world's top brands to seal perfectly.
Top consumer brands count on our screw-cap sealing, both automatic and hand-held. The machines can be bought off-the-shelf to work with products with fixed diameters.
Find out more
Our Innovations
We're leading the way with industry-first advancements...
Our Innovations
smartseal
The world's easiest induction sealing solutions and devices.
First introduced in our handheld sealer in 2022, smartseal enables our customers to confidently seal with real-time quality assurance and easy-to-use controls.
Find out more
Delta 4
Real-time sealing analysis and refinement using machine learning.
Enabling unparalleled automatic quality assurance on production lines of all scales, recording data on the performance of your sealing solution, and using machine learning to tune sealing in real-time.
Find out more
Our constant innovation allows world-changing ideas to come to life.
Scroll
