Sigma - Benifit Realization Management
| Central Government | Defence | |
| British Council |
Army Headquarters Land Command | |
| Companies House |
Ministry of Defence | |
| Contributions Agency | RAF | |
| Department for Children, Schools and Families | ||
| Department for International Development | Education | |
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Department of Trade and Industry |
University of Leeds | |
| Foreign and Commonwealth Office | University of Manchester | |
| Her Majesty's Prison Service | University of Sheffield | |
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Highways Agency |
City Of London Police | |
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The Home Office |
Healthcare | |
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Insolvency Service |
Kingston NHS Trust | |
| National Air Traffic Services | London Ambulance Service | |
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Office for National Statistics |
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Office of Government Commerce |
More than 30 police forces including: | |
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Ordnance Survey |
Avon and Somerset Police | |
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The Stationery Office |
Bedfordshire Police | |
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Cheshire Constabulary | ||
| Local Government |
Greater Manchester Police | |
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Buckinghamshire County Council |
Kent County Constabulary | |
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North West Development Agency |
Metropolitan Police | |
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Peterborough City Council |
Police IT Organisation | |
| North West Regional Development Agency |
Scottish Police IS Group | |
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South Yorkshire Police | ||
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Staffordshire Police | ||
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Suffolk Constabulary | ||
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Sussex Police | ||
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Thames Valley Police | ||
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