Last updated: 15 Mar 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
The Alma Inn (pembrokeshire) Limited
·05454677
THE ALMA INN (PEMBROKESHIRE) LIMITED — UK hydrogen sector company. Company No: 05454677. Source: Companies House.
All Pembrokeshire Scaffolding Limited
·11020358
ALL PEMBROKESHIRE SCAFFOLDING LIMITED — UK hydrogen sector company. Company No: 11020358. Source: Companies House.
All Pembrokeshire Recycling Ltd
·14672507
ALL PEMBROKESHIRE RECYCLING LTD — UK hydrogen sector company. Company No: 14672507. Source: Companies House.
All Pembrokeshire Group Ltd
·16108177
ALL PEMBROKESHIRE GROUP LTD — UK hydrogen sector company. Company No: 16108177. Source: Companies House.
Allen Mj (pembs) Ltd
·13327985
ALLEN MJ (PEMBS) LTD — UK hydrogen sector company. Company No: 13327985. Source: Companies House.
ALLEN & PEMBLE LIMITED
·06503697
ALLEN & PEMBLE LIMITED — UK hydrogen sector company. Company No: 06503697. Source: Companies House.
A.f. Pemberton (thorney Farms) Ltd.
·03522527
A.F. PEMBERTON (THORNEY FARMS) LTD. — UK hydrogen sector company. Company No: 03522527. Source: Companies House.
AFON FLOORING & INTERIORS LTD
·14662320
AFON FLOORING & INTERIORS LTD — UK hydrogen sector company. Company No: 14662320. Source: Companies House.
Aek Pembrokeshire Ltd
·15401890
AEK PEMBROKESHIRE LTD — UK hydrogen sector company. Company No: 15401890. Source: Companies House.
ADVANCED FIRE & SECURITY PEMBS LTD
·13815784
ADVANCED FIRE & SECURITY PEMBS LTD — UK hydrogen sector company. Company No: 13815784. Source: Companies House.
Activity Pembrokeshire Limited
·10630927
ACTIVITY PEMBROKESHIRE LIMITED — UK hydrogen sector company. Company No: 10630927. Source: Companies House.
A C Pembroke (construction) Ltd
·06955216
A C PEMBROKE (CONSTRUCTION) LTD — UK hydrogen sector company. Company No: 06955216. Source: Companies House.
A C Pembroke (builder) Ltd
·03569025
A C PEMBROKE (BUILDER) LTD — UK hydrogen sector company. Company No: 03569025. Source: Companies House.
Ac-Dc (pembs) Ltd
·08594650
AC-DC (PEMBS) LTD — UK hydrogen sector company. Company No: 08594650. Source: Companies House.
The Academy Of Beauty Pembrokeshire Limited
·13680583
THE ACADEMY OF BEAUTY PEMBROKESHIRE LIMITED — UK hydrogen sector company. Company No: 13680583. Source: Companies House.
Academy Central (pembroke) Rtm Company Ltd
·10026489
ACADEMY CENTRAL (PEMBROKE) RTM COMPANY LTD — UK hydrogen sector company. Company No: 10026489. Source: Companies House.
Absolute Care Pembrokeshire Ltd
·15954139
ABSOLUTE CARE PEMBROKESHIRE LTD — UK hydrogen sector company. Company No: 15954139. Source: Companies House.
A & B DEVELOPMENTS (PEMBS) LTD
·16515595
A & B DEVELOPMENTS (PEMBS) LTD — UK hydrogen sector company. Company No: 16515595. Source: Companies House.
A & A SCAFFOLDING (PEMBS) LTD
·13943078
A & A SCAFFOLDING (PEMBS) LTD — UK hydrogen sector company. Company No: 13943078. Source: Companies House.
Aad Pembs Limited
·10322948
AAD PEMBS LIMITED — UK hydrogen sector company. Company No: 10322948. Source: Companies House.
ITM Power PLC
Sheffield, GB
PEM electrolyzer manufacturer. Gigafactory in Sheffield.