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OPTIEN LIMITED

#419465 Private limited by shares

Company Details

Company Number 419465
Company Type Private limited by shares
Type Code 1119
Status Normal

Important Dates

Registration Date 3 May 2006
Last Annual Return 23 January 2026
Last Accounts Filed 31 December 2025

Registered Address

RED ROCK

KILLAWILLIN

CASTLELYONS CO. CORK

CASTLELYONS, CORK, IRELAND

P61AF30

Contact Details

Phone Number Unknown
Email Address Unknown

Company Website

Company Description

Optien Limited is an Irish specialist in energy and carbon management, dedicated to helping organisations improve performance through world-class mentoring and practical solutions. By guiding clients through the implementation of ISO 50001-aligned energy management systems, Optien enables continuous energy-performance improvement and cost reduction.

The company's core services include Energy Efficient Design, which leverages the SEAI's EXEED model and IS 399 standards to minimise operational energy for buildings, facilities and processes. Its Carbon Accounting & Management offering measures emissions in line with ISO 14064 and assists clients in developing robust carbon-management plans that pinpoint hotspots across the supply chain. In addition, Optien crafts data-driven Decarbonisation Strategies for both public and private sector organisations, setting clear short-, medium- and long-term goals.

Through these specialised services, Optien equips businesses with the tools and expertise needed to transition to lower-carbon operations while enhancing overall efficiency and sustainability.