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Giltspur Street is a street in Smithfield in the City of London, running north-south from the junction of Newgate Street, Holborn Viaduct and Old Bailey, up to West Smithfield, and it is bounded to the east by St Bartholomew's Hospital.
Soon after formation, the firm moved to Thavies Inn at Holborn Circus and later to Serjeant's Inn, Fleet Street, before moving to 21 Holborn Viaduct in October 1977.
It was based at Plumtree Court in EC4 in London, near where the A40 and A201 meet at Holborn Viaduct.