OPERATION Glen Falls has been investigating the inappropriate use of offender monitoring equipment since October 2016.
The first arrests began in January 2017 and other interviews and arrests took place throughout the year.
All 29 were charged with conspiracy to pervert the course of justice.
The defendants were charged between Monday, November 13 and Wednesday, November 22.
All will appear at Thames Magistrates Court on either Wednesday, December 20 or Friday, December 22.
The charges are as follows:
Melvin Mckenzie (24/05/1989) of St Leonards Close, Grays, Essex. Court 22/12/2017
Peter Brown (06/04/1989) of Stanford-Le-Hope, Essex. Court 22/12/2017
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Martin Crean, (29/12/1970) of Collier Row Lane, Romford, Essex. Court 22/12/2017
Jason Gundry (24/02/1971) of King Edwards Road, Barking, Essex. Court 22/12/2017
(Mr Crean and Mr Gundry are the only former employees of the monitoring service charged.)
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Terique Christy-Ferguson (7/09/1998) of Stratford, London. Court 22/12/2017
Kweku Quashie (11/01/1995) of Stratford, London. Court 22/12/2017
James Corry (16/06/1994) of Appleby Road, Canning Town, London. Court 22/12/2017
Nicky Cossington (23/10/1988) of Royal Road, The Royal Docks, London. Court 22/12/2017
Jack Harman (09/08/1994) of Bray Drive, The Royal Docks, London. Court 22/12/2017
Jordan Saunders (10/12/1992) of North Finchley, London. Court 22/12/2017
Alom Uddin (29/01/1986) of Hadrian Estate, Hackney Road, London. Court 22/12/2017
Craig Aldridge (22/07/1983) of Richmond Avenue, Brentwood, Essex. Court 22/12/2017
Leon Yearwood (29/07/1987) of Icehouse Court, Abbey Road, Barking, Essex. Court 22/12/2017
Ahmin Khan (10/09/1996) of Loxford Avenue, Upton Park, London. Court 22/12/2017
Mohammed Butt (/03/1989) of Empress Avenue, Ilford, London. Court 22/12/2017
Liam Ashby (10/06/1995) of George Street, Romford, London. Court 22/12/2017
Harry Donnelly (03/01/1995) of Easedale Drive, Hornchurch, Essex. Court 20/12/2017
Gary Allen (13/02/1970) of Croydon Road, Plaistow, London. Court 20/12/2017
Thomas Capper (10/03/1990) of Beulah Road, Hornchurch, Essex. Court 20/12/2017
Paul Higgins (03/10/1986) of Richmond Road, Romford, London. Court 20/12/2017
Buddy Farey (22/07/1987) of Dagenham. Court 22/12/2017
Robert Ross (30/07/1990) of Sedgefield Close, Romford, Essex. Court 20/12/2017
James Taylor (11/09/1989) of Maple Way, Canvey Island,Essex. Court 20/12/2017
Tony Marshall (02/08/1979) of Tring Walk, Romford, London. Court 20/12/2017
James Radford (02/08/1987) of Albert Walk, North Woolwich, London. Court 22/12/2017
Scott Talbot (22/02/1983) of Danbury Road, Rainham, Essex. Court 20/12/2017
Joshua Jarvis (08/06/1991) of Highbeam House, High Road, Woodford Green. Court 20/12/2017
Gokham Gurler (04/05/1983) of Abridge Heights, 19, New Farm Drive, Abridge, Romford, London. Court 20/12/2017
Devante Bennett (09/11/1997) of Pier Road, Erith. Court 22/12/2017