Company Information for

MURRAY GENERAL STEELS GROUP LIMITED

C/O GATELEY, ONE ELEVEN, EDMUND STREET, EDMUND STREET, BIRMINGHAM, B3 2HJ,

Company Registration Number

01105535

Private Limited Company

Dissolved

About Murray General Steels Group Ltd

MURRAY GENERAL STEELS GROUP LIMITED was founded on 1973-03-30 and had its registered office in Edmund Street. The company was dissolved on the 2014-07-29 and is no longer trading or active.

Key Data

Company Name

MURRAY GENERAL STEELS GROUP LIMITED

Legal Registered Office

C/O GATELEY
EDMUND STREET
EDMUND STREET
BIRMINGHAM
B3 2HJ
Other companies in B3

Previous Names

MGSH LIMITED

30/01/2007

AUSTIN TRUMANNS GROUP LIMITED

11/05/2001

Filing Information

Company Number	01105535
Date formed	1973-03-30
Country	England
Origin Country	United Kingdom
Type	Private Limited Company
Company Status	Dissolved
Lastest accounts	2012-06-30
Date Dissolved	2014-07-29
Type of accounts	FULL

Last Datalog update:

2015-05-30 11:01:32

Primary Source:

Companies House

Company Directors at or before company was Dissolved 2014-07-29

Officer	Role	Occupation	Date Appointed	Country
David William Murray Horne	Company Secretary		2002-05-01	SCOTLAND
Samuel William Peter Collard	Director	FINANCE DIRECTOR	2012-04-11	ENGLAND
Graeme Everitt Hill	Director	DIRECTOR	1995-06-08	ENGLAND
Michael Scott Mcgill	Director	FINANCE DIRECTOR	2010-03-05	UK
David Douglas Murray	Director	NONE	2012-05-11	SCOTLAND
David Edward Murray	Director	COMPANY DIRECTOR	1992-01-31	UNITED KINGDOM

Previous Directors

Officer	Role	Date Appointed	Date Resigned
David Barrie Lawson	Director	2007-10-29	2012-05-11
James Donald Gilmour Wilson	Director	2005-12-30	2011-05-09
Malcolm Robert Surrey	Director	2001-07-16	2011-01-31
Kenneth Andrew Cockburn	Director	1997-10-03	2005-12-30
Sarah Tahir	Company Secretary	1998-01-20	2002-05-01
Julian Callum Lamont	Director	1998-01-20	2001-06-28
James Macdonald	Director	1994-12-15	2000-01-31
Keith Sibbald	Director	1992-01-31	1999-10-15
Gavin Peter Weir	Director	1995-06-08	1998-07-15
William Henry Johnson	Company Secretary	1992-01-31	1998-01-20
William Henry Johnson	Director	1992-01-31	1998-01-20
Arthur John Fletcher	Director	1992-01-31	1997-10-03
Kenneth Andrew Cockburn	Director	1992-01-31	1995-06-08
Patrick Joseph Boyle	Director	1992-01-31	1995-05-09
George Keith Freeland	Director	1992-01-31	1994-12-15

Related Directorships for David William Murray Horne

Officer	Related Company	Role	Date Appointed	Role Status	Incorporation date	Company Status
David William Murray Horne	GROSVENOR HOUSE SOUTHAMPTON LIMITED	Company Secretary	2007-11-15	CURRENT	2007-11-15	Dissolved 2014-07-04
David William Murray Horne	PARSON & CROSLAND (MIDDLESBROUGH) LIMITED	Company Secretary	2007-10-31	CURRENT	1926-02-06	Dissolved 2015-01-06
David William Murray Horne	MMH P&C LIMITED	Company Secretary	2007-10-31	CURRENT	2002-11-26	Dissolved 2014-07-29
David William Murray Horne	MMH NSS LIMITED	Company Secretary	2007-02-01	CURRENT	1986-04-09	Active - Proposal to Strike off
David William Murray Horne	PPG BRACKNELL LIMITED	Company Secretary	2006-11-22	CURRENT	2006-11-22	Dissolved 2014-12-30
David William Murray Horne	RESPONSE CREDIT MANAGEMENT LIMITED	Company Secretary	2006-10-13	CURRENT	2006-10-13	Dissolved 2015-01-02
David William Murray Horne	TIPTON & MILL STEELS LIMITED	Company Secretary	2006-09-04	CURRENT	1952-11-06	Dissolved 2015-08-11
David William Murray Horne	PPG LAND NORMANTON LIMITED	Company Secretary	2006-02-28	CURRENT	2006-02-28	Dissolved 2015-01-13
David William Murray Horne	RYEFORD DEVELOPMENTS LIMITED	Company Secretary	2005-01-11	CURRENT	2004-12-06	Dissolved 2015-01-02
David William Murray Horne	PPG METRO 500 LIMITED	Company Secretary	2004-11-30	CURRENT	2004-11-12	Dissolved 2015-01-02
David William Murray Horne	PPG METRO MANSFIELD LIMITED	Company Secretary	2004-11-30	CURRENT	2004-11-12	Dissolved 2015-01-02
David William Murray Horne	BRETTON STREET DEVELOPMENTS LIMITED	Company Secretary	2004-07-15	CURRENT	2004-07-01	Dissolved 2016-01-19
David William Murray Horne	PPG METRO 39 LIMITED	Company Secretary	2004-03-30	CURRENT	2004-03-30	Dissolved 2015-01-02
David William Murray Horne	PPG METRO CALEDONIAN LIMITED	Company Secretary	2003-10-27	CURRENT	2003-10-27	Dissolved 2015-01-02
David William Murray Horne	G M GROUP HOLDINGS LIMITED	Company Secretary	2003-05-06	CURRENT	2002-07-05	Dissolved 2015-01-02
David William Murray Horne	PPG SOUTHERN LIMITED	Company Secretary	2002-07-16	CURRENT	2002-04-10	Dissolved 2015-01-02
David William Murray Horne	MCG HOLDINGS LIMITED	Company Secretary	2002-07-11	CURRENT	2000-08-25	Dissolved 2014-08-01
David William Murray Horne	MURRAY GROUP MANAGEMENT LIMITED	Company Secretary	2002-05-08	CURRENT	1980-03-18	Dissolved 2017-12-07
David William Murray Horne	MURRAY MHL LIMITED	Company Secretary	2002-05-01	CURRENT	1993-03-25	Dissolved 2015-01-02
David William Murray Horne	MMH ATI LIMITED	Company Secretary	2002-05-01	CURRENT	2000-01-12	Dissolved 2014-08-01
David William Murray Horne	PPG (EDINBURGH) LIMITED	Company Secretary	2002-05-01	CURRENT	1989-05-02	Dissolved 2015-01-02
David William Murray Horne	MURRAY AVIATION LIMITED	Company Secretary	2002-05-01	CURRENT	1998-01-21	Dissolved 2015-01-02
David William Murray Horne	PPG DEVELOPMENTS LIMITED	Company Secretary	2002-05-01	CURRENT	2000-08-08	Dissolved 2015-01-02
David William Murray Horne	PPG METRO LIMITED	Company Secretary	2002-05-01	CURRENT	2000-04-25	Dissolved 2015-01-02
David William Murray Horne	PPG LIGHTNING LIMITED	Company Secretary	2002-05-01	CURRENT	2001-10-09	Dissolved 2014-07-04
David William Murray Horne	MMH ATS LIMITED	Company Secretary	2002-05-01	CURRENT	2001-11-27	Dissolved 2014-08-01
David William Murray Horne	PPG METRO GROSVENOR LIMITED	Company Secretary	2002-05-01	CURRENT	2001-07-06	Dissolved 2014-07-04
David William Murray Horne	PPG LAND LIMITED	Company Secretary	2002-05-01	CURRENT	1999-01-21	Dissolved 2016-06-29
David William Murray Horne	G M MINING LIMITED	Company Secretary	2002-05-01	CURRENT	1997-03-06	Dissolved 2016-06-29
David William Murray Horne	MURRAY PROPERTY HOLDINGS LIMITED	Company Secretary	2002-05-01	CURRENT	1992-06-17	Dissolved 2018-04-17
David William Murray Horne	THE PREMIER PROPERTY GROUP LIMITED	Company Secretary	2002-05-01	CURRENT	1992-08-24	Liquidation
David William Murray Horne	MURRAY GROUP HOLDINGS LIMITED	Company Secretary	2002-05-01	CURRENT	1992-07-27	Liquidation
David William Murray Horne	MMH ATS2 LIMITED	Company Secretary	2002-05-01	CURRENT	1975-07-28	Active
David William Murray Horne	MURRAY INTERNATIONAL HOLDINGS LIMITED	Company Secretary	2002-03-20	CURRENT	1999-01-13	Dissolved 2018-03-27
David William Murray Horne	SCRATCH TECHNOLOGIES LIMITED	Company Secretary	1998-03-12	CURRENT	1998-03-12	Active - Proposal to Strike off

Related Directorships for Samuel William Peter Collard

Officer	Related Company	Role	Date Appointed	Role Status	Incorporation date	Company Status
Samuel William Peter Collard	MURRAY METALS INVESTMENTS LIMITED	Director	2014-04-11	CURRENT	2012-02-17	Active - Proposal to Strike off
Samuel William Peter Collard	ALPHASTRUT LTD	Director	2014-04-11	CURRENT	2008-12-04	Active - Proposal to Strike off
Samuel William Peter Collard	MURRAY PLATE GROUP LIMITED	Director	2012-05-11	CURRENT	2006-07-31	Active
Samuel William Peter Collard	FORTH STEEL LIMITED	Director	2012-05-11	CURRENT	1980-12-24	Active - Proposal to Strike off
Samuel William Peter Collard	HILLFOOT STEEL LIMITED	Director	2012-05-11	CURRENT	1958-01-01	Active
Samuel William Peter Collard	MULTI METALS LIMITED	Director	2012-05-11	CURRENT	1978-04-19	In Administration
Samuel William Peter Collard	MURRAY METALS LIMITED	Director	2012-04-17	CURRENT	2012-02-17	Active

Related Directorships for Graeme Everitt Hill

Officer	Related Company	Role	Date Appointed	Role Status	Incorporation date	Company Status
Graeme Everitt Hill	MURRAY METALS INVESTMENTS LIMITED	Director	2014-04-11	CURRENT	2012-02-17	Active - Proposal to Strike off
Graeme Everitt Hill	ALPHASTRUT LTD	Director	2014-04-11	CURRENT	2008-12-04	Active - Proposal to Strike off
Graeme Everitt Hill	MURRAY METALS LIMITED	Director	2012-04-17	CURRENT	2012-02-17	Active
Graeme Everitt Hill	MURRAY SPECIALITY METALS GROUP LIMITED	Director	2010-02-18	CURRENT	2010-02-18	Dissolved 2014-08-01
Graeme Everitt Hill	MURRAY METALS HOLDINGS LIMITED	Director	2010-02-10	CURRENT	2010-02-10	Dissolved 2014-08-01
Graeme Everitt Hill	FELLSIDE DEVELOPMENTS LIMITED	Director	2009-09-01	CURRENT	2009-08-02	Active
Graeme Everitt Hill	HILLFOOT STEEL LIMITED	Director	2008-04-04	CURRENT	1958-01-01	Active
Graeme Everitt Hill	BALLYRONAN MANAGEMENT COMPANY LIMITED	Director	2008-02-14	CURRENT	2008-02-14	Active
Graeme Everitt Hill	PARSON & CROSLAND (MIDDLESBROUGH) LIMITED	Director	2007-10-31	CURRENT	1926-02-06	Dissolved 2015-01-06
Graeme Everitt Hill	MMH P&C LIMITED	Director	2007-10-31	CURRENT	2002-11-26	Dissolved 2014-07-29
Graeme Everitt Hill	TIPTON & MILL STEELS LIMITED	Director	2006-09-04	CURRENT	1952-11-06	Dissolved 2015-08-11
Graeme Everitt Hill	MURRAY PLATE GROUP LIMITED	Director	2006-08-04	CURRENT	2006-07-31	Active
Graeme Everitt Hill	STEEL UK LIMITED	Director	2006-02-02	CURRENT	2005-10-27	Dissolved 2014-08-05
Graeme Everitt Hill	MCG HOLDINGS LIMITED	Director	2005-12-30	CURRENT	2000-08-25	Dissolved 2014-08-01
Graeme Everitt Hill	FORTH STEEL LIMITED	Director	2005-12-30	CURRENT	1980-12-24	Active - Proposal to Strike off
Graeme Everitt Hill	MULTI METALS LIMITED	Director	2005-12-30	CURRENT	1978-04-19	In Administration
Graeme Everitt Hill	HOLMECROFT DEVELOPMENTS LIMITED	Director	2004-12-16	CURRENT	2004-11-24	Active
Graeme Everitt Hill	MMH ATS LIMITED	Director	2001-11-27	CURRENT	2001-11-27	Dissolved 2014-08-01
Graeme Everitt Hill	MMH ATI LIMITED	Director	2000-01-12	CURRENT	2000-01-12	Dissolved 2014-08-01
Graeme Everitt Hill	MMH ATS2 LIMITED	Director	1994-01-17	CURRENT	1975-07-28	Active

Related Directorships for Michael Scott Mcgill

Officer	Related Company	Role	Date Appointed	Role Status	Incorporation date	Company Status
Michael Scott Mcgill	W.A. BAXTER & SONS (HOLDINGS) LIMITED	Director	2016-09-28	CURRENT	2002-06-26	Active
Michael Scott Mcgill	BAXTERS FOOD GROUP LIMITED	Director	2016-09-28	CURRENT	1945-11-07	Active
Michael Scott Mcgill	CHARLOTTE VENTURES (CUNNING PARK) LIMITED	Director	2014-03-26	CURRENT	2003-01-14	Dissolved 2016-11-03
Michael Scott Mcgill	PREMIER BURRELL LIMITED	Director	2010-05-10	CURRENT	2003-08-12	Dissolved 2016-06-29
Michael Scott Mcgill	RYEFORD DEVELOPMENTS LIMITED	Director	2010-05-07	CURRENT	2004-12-06	Dissolved 2015-01-02
Michael Scott Mcgill	MURRAY OUTSOURCING LIMITED	Director	2010-03-19	CURRENT	2010-03-19	Dissolved 2016-06-29
Michael Scott Mcgill	MURRAY MHL LIMITED	Director	2010-03-05	CURRENT	1993-03-25	Dissolved 2015-01-02
Michael Scott Mcgill	MMH ATI LIMITED	Director	2010-03-05	CURRENT	2000-01-12	Dissolved 2014-08-01
Michael Scott Mcgill	MURRAY ESTATES DALMARNOCK LIMITED	Director	2010-03-05	CURRENT	1986-04-07	Dissolved 2015-01-02
Michael Scott Mcgill	RESPONSE CREDIT MANAGEMENT LIMITED	Director	2010-03-05	CURRENT	2006-10-13	Dissolved 2015-01-02
Michael Scott Mcgill	INITIATIVE SOFTWARE LIMITED	Director	2010-03-05	CURRENT	1990-10-05	Dissolved 2015-01-02
Michael Scott Mcgill	PPG (EDINBURGH) LIMITED	Director	2010-03-05	CURRENT	1989-05-02	Dissolved 2015-01-02
Michael Scott Mcgill	G M GROUP HOLDINGS LIMITED	Director	2010-03-05	CURRENT	2002-07-05	Dissolved 2015-01-02
Michael Scott Mcgill	PPG METRO CALEDONIAN LIMITED	Director	2010-03-05	CURRENT	2003-10-27	Dissolved 2015-01-02
Michael Scott Mcgill	MURRAY AVIATION LIMITED	Director	2010-03-05	CURRENT	1998-01-21	Dissolved 2015-01-02
Michael Scott Mcgill	PPG DEVELOPMENTS LIMITED	Director	2010-03-05	CURRENT	2000-08-08	Dissolved 2015-01-02
Michael Scott Mcgill	CHARLOTTE VENTURES (EDMISTON HOUSE) LIMITED	Director	2010-03-05	CURRENT	2001-10-16	Dissolved 2015-01-02
Michael Scott Mcgill	PPG METRO LIMITED	Director	2010-03-05	CURRENT	2000-04-25	Dissolved 2015-01-02
Michael Scott Mcgill	PPG METRO 500 LIMITED	Director	2010-03-05	CURRENT	2004-11-12	Dissolved 2015-01-02
Michael Scott Mcgill	MURRAY ESTATES RESIDENTIAL LIMITED	Director	2010-03-05	CURRENT	1993-04-01	Dissolved 2015-01-02
Michael Scott Mcgill	PPG METRO MANSFIELD LIMITED	Director	2010-03-05	CURRENT	2004-11-12	Dissolved 2015-01-02
Michael Scott Mcgill	GROSVENOR HOUSE SOUTHAMPTON LIMITED	Director	2010-03-05	CURRENT	2007-11-15	Dissolved 2014-07-04
Michael Scott Mcgill	APPLECROSS PROPERTIES (CRAIGHALL) LIMITED	Director	2010-03-05	CURRENT	2005-05-25	Dissolved 2015-01-02
Michael Scott Mcgill	MURRAY ESTATES RH LIMITED	Director	2010-03-05	CURRENT	2007-11-28	Dissolved 2015-01-02
Michael Scott Mcgill	CHARLOTTE VENTURES (DOONFOOT) LIMITED	Director	2010-03-05	CURRENT	2003-04-28	Dissolved 2015-01-02
Michael Scott Mcgill	PPG LAND NORMANTON LIMITED	Director	2010-03-05	CURRENT	2006-02-28	Dissolved 2015-01-13
Michael Scott Mcgill	PPG METRO 39 LIMITED	Director	2010-03-05	CURRENT	2004-03-30	Dissolved 2015-01-02
Michael Scott Mcgill	PPG BRACKNELL LIMITED	Director	2010-03-05	CURRENT	2006-11-22	Dissolved 2014-12-30
Michael Scott Mcgill	MCG HOLDINGS LIMITED	Director	2010-03-05	CURRENT	2000-08-25	Dissolved 2014-08-01
Michael Scott Mcgill	PPG SOUTHERN LIMITED	Director	2010-03-05	CURRENT	2002-04-10	Dissolved 2015-01-02
Michael Scott Mcgill	PPG LIGHTNING LIMITED	Director	2010-03-05	CURRENT	2001-10-09	Dissolved 2014-07-04
Michael Scott Mcgill	MMH ATS LIMITED	Director	2010-03-05	CURRENT	2001-11-27	Dissolved 2014-08-01
Michael Scott Mcgill	MMH P&C LIMITED	Director	2010-03-05	CURRENT	2002-11-26	Dissolved 2014-07-29
Michael Scott Mcgill	PPG METRO GROSVENOR LIMITED	Director	2010-03-05	CURRENT	2001-07-06	Dissolved 2014-07-04
Michael Scott Mcgill	TIPTON & MILL STEELS LIMITED	Director	2010-03-05	CURRENT	1952-11-06	Dissolved 2015-08-11
Michael Scott Mcgill	PPG LAND LIMITED	Director	2010-03-05	CURRENT	1999-01-21	Dissolved 2016-06-29
Michael Scott Mcgill	G M MINING LIMITED	Director	2010-03-05	CURRENT	1997-03-06	Dissolved 2016-06-29
Michael Scott Mcgill	MMH NSS LIMITED	Director	2010-03-05	CURRENT	1986-04-09	Active - Proposal to Strike off
Michael Scott Mcgill	MURRAY PROPERTY HOLDINGS LIMITED	Director	2010-03-05	CURRENT	1992-06-17	Dissolved 2018-04-17
Michael Scott Mcgill	MURRAY GROUP HOLDINGS LIMITED	Director	2010-03-05	CURRENT	1992-07-27	Liquidation
Michael Scott Mcgill	MMH ATS2 LIMITED	Director	2010-03-05	CURRENT	1975-07-28	Active
Michael Scott Mcgill	MURRAY SPECIALITY METALS GROUP LIMITED	Director	2010-02-18	CURRENT	2010-02-18	Dissolved 2014-08-01
Michael Scott Mcgill	MURRAY METALS HOLDINGS LIMITED	Director	2010-02-10	CURRENT	2010-02-10	Dissolved 2014-08-01
Michael Scott Mcgill	THE PREMIER PROPERTY GROUP LIMITED	Director	2009-03-26	CURRENT	1992-08-24	Liquidation
Michael Scott Mcgill	MURRAY GROUP MANAGEMENT LIMITED	Director	2007-01-10	CURRENT	1980-03-18	Dissolved 2017-12-07
Michael Scott Mcgill	MURRAY INTERNATIONAL HOLDINGS LIMITED	Director	2005-05-01	CURRENT	1999-01-13	Dissolved 2018-03-27

Related Directorships for David Douglas Murray

Officer	Related Company	Role	Date Appointed	Role Status	Incorporation date	Company Status
David Douglas Murray	ARGYLE CONSULTING LIMITED	Director	2018-07-05	CURRENT	1997-10-08	Active
David Douglas Murray	GRENACHE INVESTMENTS LIMITED	Director	2016-05-20	CURRENT	2016-05-20	Active
David Douglas Murray	THE EXCHANGE CO-PROPRIETORS LIMITED	Director	2015-03-20	CURRENT	2013-05-09	Active
David Douglas Murray	MURRAY ESTATES DEVELOPMENTS LIMITED	Director	2014-02-11	CURRENT	2014-02-04	Active
David Douglas Murray	DUNWILCO (1786) LIMITED	Director	2013-02-22	CURRENT	2013-01-09	Dissolved 2015-09-04
David Douglas Murray	MURRAY METALS LIMITED	Director	2012-03-13	CURRENT	2012-02-17	Active
David Douglas Murray	SDM PARTNERS LIMITED	Director	2011-12-15	CURRENT	2011-07-20	Active
David Douglas Murray	HAMMOND RESOURCES LIMITED	Director	2010-04-06	CURRENT	2008-03-11	Dissolved 2014-01-15
David Douglas Murray	MURRAY CAPITAL GROUP LIMITED	Director	2010-03-25	CURRENT	2010-03-25	Active
David Douglas Murray	MCL PARTNERS LIMITED	Director	2010-02-24	CURRENT	2009-12-18	Dissolved 2013-12-06
David Douglas Murray	CHARDON WINES LIMITED	Director	2006-11-29	CURRENT	2006-11-29	Active
David Douglas Murray	KINTILLO INVESTMENTS LIMITED	Director	2005-06-15	CURRENT	2005-06-15	Active
David Douglas Murray	RISE SCOTLAND LIMITED	Director	2003-08-22	CURRENT	2003-08-22	Dissolved 2014-01-15
David Douglas Murray	MURRAY CAPITAL VENTURES LIMITED	Director	2003-03-07	CURRENT	2003-03-07	Active
David Douglas Murray	MURRAY CAPITAL LIMITED	Director	2001-10-09	CURRENT	2000-04-12	Active

Related Directorships for David Edward Murray

Officer	Related Company	Role	Date Appointed	Role Status	Incorporation date	Company Status
David Edward Murray	MURRAY ESTATES DEVELOPMENTS LIMITED	Director	2014-02-11	CURRENT	2014-02-04	Active
David Edward Murray	MURRAY METALS LIMITED	Director	2012-03-13	CURRENT	2012-02-17	Active
David Edward Murray	SDM PARTNERS LIMITED	Director	2011-07-20	CURRENT	2011-07-20	Active
David Edward Murray	MURRAY CAPITAL GROUP LIMITED	Director	2010-03-25	CURRENT	2010-03-25	Active
David Edward Murray	WINE IMPORTERS (EDINBURGH) LIMITED	Director	2006-12-13	CURRENT	1975-03-12	Active
David Edward Murray	CHARDON WINES LIMITED	Director	2006-11-29	CURRENT	2006-11-29	Active
David Edward Murray	MURRAY PLATE GROUP LIMITED	Director	2006-07-31	CURRENT	2006-07-31	Active
David Edward Murray	MURRAY CAPITAL VENTURES LIMITED	Director	2003-03-18	CURRENT	2003-03-07	Active
David Edward Murray	MULTI METALS LIMITED	Director	2002-07-11	CURRENT	1978-04-19	In Administration
David Edward Murray	MURRAY CAPITAL LIMITED	Director	2000-04-12	CURRENT	2000-04-12	Active
David Edward Murray	NH3 LIMITED	Director	1992-11-24	CURRENT	1992-08-24	Active
David Edward Murray	JAMES AUSTIN STEEL LIMITED	Director	1991-05-29	CURRENT	1923-05-15	Active - Proposal to Strike off
David Edward Murray	DUNWILCO (172) LIMITED	Director	1990-10-09	CURRENT	1989-06-28	Dissolved 2015-11-17
David Edward Murray	FORTH STEEL LIMITED	Director	1989-07-11	CURRENT	1980-12-24	Active - Proposal to Strike off
David Edward Murray	DAVID MURRAY HOLDINGS LIMITED	Director	1988-12-31	CURRENT	1987-02-10	Liquidation