Last updated: 4 May 2026 · 21 companies indexed
PEM Electrolyzer Systems — United Kingdom
21 PEM electrolyzer companies in United Kingdom. Proton Exchange Membrane electrolysis offers fast ramp-up (seconds), compact footprint, and high-purity hydrogen output. Costs remain at €700-1,400/kW, roughly 2× alkaline. Key manufacturers: Siemens Energy, ITM Power, Nel Hydrogen, Plug Power.
Companies — Showing 1–21 of 21
Company Name
The Alma Inn (pembrokeshire) Limited
Pembrokeshire, GB·05454677
THE ALMA INN (PEMBROKESHIRE) LIMITED — UK hydrogen sector company. Company No: 05454677. Source: Companies House.
All Pembrokeshire Scaffolding Limited
Pembroke Dock, GB·11020358
ALL PEMBROKESHIRE SCAFFOLDING LIMITED — UK hydrogen sector company. Company No: 11020358. Source: Companies House.
All Pembrokeshire Group Ltd
Pembrokeshire, GB·16108177
ALL PEMBROKESHIRE GROUP LTD — UK hydrogen sector company. Company No: 16108177. Source: Companies House.
Allen Mj (pembs) Ltd
Pembrokeshire, GB·13327985
ALLEN MJ (PEMBS) LTD — UK hydrogen sector company. Company No: 13327985. Source: Companies House.
ADVANCED FIRE & SECURITY PEMBS LTD
Haverfordwest, GB·13815784
ADVANCED FIRE & SECURITY PEMBS LTD — UK hydrogen sector company. Company No: 13815784. Source: Companies House.
Activity Pembrokeshire Limited
Pembrokeshire, GB·10630927
ACTIVITY PEMBROKESHIRE LIMITED — UK hydrogen sector company. Company No: 10630927. Source: Companies House.
The Academy Of Beauty Pembrokeshire Limited
Pembroke, GB·13680583
THE ACADEMY OF BEAUTY PEMBROKESHIRE LIMITED — UK hydrogen sector company. Company No: 13680583. Source: Companies House.
A & A SCAFFOLDING (PEMBS) LTD
Pembroke Dock, GB·13943078
A & A SCAFFOLDING (PEMBS) LTD — UK hydrogen sector company. Company No: 13943078. Source: Companies House.
AFON FLOORING & INTERIORS LTD
Wiltshire, GB·14662320
AFON FLOORING & INTERIORS LTD — UK hydrogen sector company. Company No: 14662320. Source: Companies House.
All Pembrokeshire Recycling Ltd
Pembroke Dock, GB·14672507
ALL PEMBROKESHIRE RECYCLING LTD — UK hydrogen sector company. Company No: 14672507. Source: Companies House.
ALLEN & PEMBLE LIMITED
Norfolk, GB·06503697
ALLEN & PEMBLE LIMITED — UK hydrogen sector company. Company No: 06503697. Source: Companies House.
A.f. Pemberton (thorney Farms) Ltd.
Cambridge, GB·03522527
A.F. PEMBERTON (THORNEY FARMS) LTD. — UK hydrogen sector company. Company No: 03522527. Source: Companies House.
Aek Pembrokeshire Ltd
Pembrokeshire, GB·15401890
AEK PEMBROKESHIRE LTD — UK hydrogen sector company. Company No: 15401890. Source: Companies House.
A C Pembroke (construction) Ltd
Norfolk, GB·06955216
A C PEMBROKE (CONSTRUCTION) LTD — UK hydrogen sector company. Company No: 06955216. Source: Companies House.
A C Pembroke (builder) Ltd
Norfolk, GB·03569025
A C PEMBROKE (BUILDER) LTD — UK hydrogen sector company. Company No: 03569025. Source: Companies House.
Ac-Dc (pembs) Ltd
Narberth, GB·08594650
AC-DC (PEMBS) LTD — UK hydrogen sector company. Company No: 08594650. Source: Companies House.
Academy Central (pembroke) Rtm Company Ltd
London, GB·10026489
ACADEMY CENTRAL (PEMBROKE) RTM COMPANY LTD — UK hydrogen sector company. Company No: 10026489. Source: Companies House.
Absolute Care Pembrokeshire Ltd
Haverfordwest, GB·15954139
ABSOLUTE CARE PEMBROKESHIRE LTD — UK hydrogen sector company. Company No: 15954139. Source: Companies House.
A & B DEVELOPMENTS (PEMBS) LTD
Milford Haven, GB·16515595
A & B DEVELOPMENTS (PEMBS) LTD — UK hydrogen sector company. Company No: 16515595. Source: Companies House.
Aad Pembs Limited
Pembrokeshire, GB·10322948
AAD PEMBS LIMITED — UK hydrogen sector company. Company No: 10322948. Source: Companies House.
ITM Power PLC
Sheffield, GB
ITM Power PLC ist ein Hersteller von PEM-Elektrolyseuren für die Wasserstoffproduktion mit Sitz in Sheffield, Großbri...