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World’s Leading Security Solutions Group G4S Selects Greenstone For Carbon Management


… Acco2unt carbon management software takes the complexity out of monitoring carbon emissions across multi-country regulatory requirements... 

Monday 1st November 2010 - Greenstone Carbon Management, the global specialist carbon solutions company, has announced today that it is working with G4S, the world's leading security solutions company to help track, manage and forecast future carbon emissions through Greenstone’s Acco2unt* carbon management software.  The software allows the organisation to review the impact of carbon emissions during current operations and also model and forecast emissions for any planned business growth. 

Greenstone’s Acco2unt* carbon management software - dash board
Greenstone’s Acco2unt* carbon management software - dash board

G4S has over 600,000 employees delivering services to governments and private sector clients in more than 100 countries including operations in Europe, Middle East, Asia Pacific, Africa, Latin America and North America.  G4S required an easy to use platform to delegate data collection to country and operating unit levels across the business.  The Greenstone software automatically calculates carbon emissions at multiple organisational and business unit levels using both the GHG Protocol and, where relevant, national calculation methodologies.  Greenstone’s solution enables G4S to apply greater focus on identifying targeted carbon reduction initiatives and meet internal and external reporting demands across the business.  Acco2unt will also enable local country teams to set their own reduction targets and monitor performance over time. 

Nigel Lockwood, Communications Manager at G4S, said; “As a large multinational organisation, managing our carbon emissions is a complex process.  Acco2unt simplifies the process by allowing our environmental coordinators around the world to upload data in a consistent format to one centralised place.  G4S is committed to reducing its carbon emissions and using Acco2unt significantly reduces the time spent on data capture and analysis, allowing us to increase our focus on carbon reduction activities and achieve our target.  As we operate in 110 countries, we also need to be prepared for localised compliance regulations as they come into force.  By working with Greenstone we can keep abreast of regulatory developments and minimise our potential compliance risk.”

Matthew de Villiers, Chief Executive Officer at Greenstone explains, “The complexity and challenges associated with measuring and managing carbon across the global operations of a company the size of G4S is an ideal environment to demonstrate the power and capability of the Acco2unt software. In a world of multiple stakeholders, multiple protocols and numerous reduction initiatives Acco2unt is able to provide clear consistent management information across all levels of the company and enable carbon management activities.”

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Notes to Editor
*Greenstone’s unique Acco2unt software product suite provides organisations with robust carbon management and accounting solutions.  It enables organisations to measure, manage, plan, store and report emission data, track performance on their carbon footprint at multiple organisational levels and to accurately model carbon footprint reduction strategies. Acco2unt can significantly reduce the burden of auditing and reporting for compliance purposes, for stakeholders and customers. An extensive list of emission sources is included in the software’s calculation covering energy, refrigerants, travel, freight, waste, water and ICT.  Greenstone’s extensive CO2re knowledge database applies the latest climate change impact factors according to national and international protocols e.g. GHG, Defra, CRC, Bilan Carbone, etc.

About Greenstone Carbon Management Limited
Greenstone Carbon Management Limited is a specialist carbon solutions company – based in London, United Kingdom. Formed in 2006, it works in partnership with major commercial and public sector organisations to help measure, manage and mitigate their carbon emissions to realise business and financial benefits.  Greenstone’s proposition comprises both consulting advice and access to a suite of Carbon Management software tools through a SaaS model. 

Typically, engagements with clients follow a three step process: (i) Carbon Readiness Assessment; (ii) Carbon Measurement and (iii) Carbon Reduction Strategies. During the engagement, Greenstone will provide tools to help measure and manage the organisation’s carbon emissions, help set up processes to gather data and to train personnel to manage their carbon footprint on an ongoing basis.

Greenstone has worked with a range of global businesses and respected brands such as the Freshfields Bruckhaus Deringer, Fujitsu and Ocado Limited. For further information please visit

About G4S
G4S is the world's leading security solutions group, which specialises in outsourcing of business processes in sectors where security and safety risks are considered a strategic threat. G4S is the largest employer quoted on the London Stock Exchange and has a secondary stock exchange listing in Copenhagen. G4S has operations in more than 110 countries and more than 600,000 employees. For more information on G4S, visit

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