Clutha House, 10 Storey's Gate, is a building in Westminster located on the corner of Storey's Gate and Matthew Parker Street, close to Parliament Square. The building houses several right-wing think-tanks including Policy Exchange, Localis, Civitas and the Centre for Social Cohesion. It is also home to many businesses including solicitors Hollingworth Bissell  and technology firm Insight Management and Systems Consultants Limited. . Clutha House was also the location of former Liberal Democrat leader Menzies Campbell's 2005 leadership campaign headquarters.  The Parliamentary Advisory Council for Transport Safety is based on the 3rd floor of the Clutha House building. Other organisations at number 10 include the Banco Pastor Office and the Industrial Development Board For Northern Ireland.
- Hollingworth Bissell, Profiles, London Online, Accessed 04-September-2009
- Insight MSC, Address, Insight MSC, Accessed, 05-September-2009
- Campaign Headquarters, Contact Us, Ming Campbell, Accessed 04-September-2009
- Patricia Wynn Davies, Richard Dowden and John Carlin, The Attack on Sleaze: How apartheid regime set out to woo Tories: Patricia Wynn Davies tells the story of the firm which gave MPs a South African perspective, The Independent, 26-October-1994, Accessed 11-September-2009