Alasdair Alan Ryder

British Lives in England Born Sept 1961(64 years old)

124 Active

64 Previous

188 Total

Company Appointments

Company	Status	Role	Appointed ↓	Resigned	Duration	Founded
AJ ENGINEERING & CONSTRUCTION SERVICES LIMITED Manufacture of metal structures and p... £25K net assets 92 employees	Active	Director Director	Jun 2025	Current	7 mo	Aug 1998 27 yrs
NORTHERN ENGINEERING & WELDING CO. LIMITED Manufacture of other fabricated metal... £646K net assets 22 employees	Active	Director Director	Jun 2025	Current	7 mo	Jul 2015 10 yrs
KENDALL KINGSCOTT LIMITED Architectural activities £2.3M net assets £14.6M turnover 168 employees	Active	Director Director	Oct 2024	Current	1y 2m	Dec 2002 23 yrs
APOLLO STRATEGIC COMMUNICATIONS LIMITED Public relations and communications a... £4 net assets 23 employees	Active	Director Director	Oct 2024	Current	1y 2m	Apr 2008 17 yrs
EB7 LIMITED Architectural activities £2.8M net assets 24 employees	Active	Director Director	Aug 2024	Current	1y 5m	Nov 2007 18 yrs
EB7 PARTY WALL LIMITED Architectural activities £84K net assets 5 employees	Active	Director Director	Aug 2024	Current	1y 5m	Apr 2015 10 yrs
HOMER BURGESS LIMITED Manufacture of other fabricated metal... £929K net assets 53 employees	Active	Director Director	Oct 2023	Current	2y 2m	May 1974 51 yrs
SUSTAINABLE AQUAFARMS LIMITED Marine aquaculture £671 net assets 9 employees	Active	Director Director	Oct 2023	Current	2y 2m	Jan 2019 6 yrs
GLOBAL RAIL CONSTRUCTION LIMITED Other business support service activi... £11.9M net assets £20.0M turnover 42 employees	Active	Director	Sept 2023	Current	2y 4m	Aug 2001 24 yrs
PD & MS ENERGY (ABERDEEN) LIMITED Other business support service activi... £53.6M net assets £102.4M turnover 251 employees	Active	Director Director	Aug 2023	Current	2y 4m	Jun 2002 23 yrs
R.J.T. EXCAVATIONS LIMITED Site preparation £9.3M net assets £29.3M turnover 118 employees	Active	Director Director	Aug 2023	Current	2y 4m	May 1989 36 yrs
PD & MS (DUNDEE) LIMITED Manufacture of other fabricated metal... £12K net assets	Active	Director Director	Jul 2023	Current	2y 6m	Feb 2011 14 yrs
PROJECT IRES TOPCO LIMITED Activities of head offices -£99.5M net assets £108.2M turnover 308 employees	Active	Director	Jul 2023	Current	2y 6m	Jul 2014 11 yrs
OPTIMUS PLUS (ABERDEEN) LIMITED Management consultancy activities oth... -£907K net assets 36 employees	Active	Director Director	Jul 2023	Current	2y 6m	Jan 2022 3 yrs
SYNERGIE ENVIRON LIMITED Environmental consulting activities £78K net assets 24 employees	Active	Director Director	Jul 2023	Current	2y 6m	Dec 2009 16 yrs
PD&MS HOLDINGS LIMITED Activities of head offices £538K net assets	Active	Director Director	Jul 2023	Current	2y 6m	Mar 2013 12 yrs
PROJECT IRES BIDCO LIMITED Activities of head offices -£80.9M net assets	Active	Director	Jul 2023	Current	2y 6m	Jul 2014 11 yrs
KIRTON WATER TREATMENT SERVICES LIMITED Other manufacturing n.e.c. £1 net assets 10 employees	Active	Director Director	Jul 2023	Current	2y 6m	Jul 2013 12 yrs
W.CROWDER & SONS LIMITED Wholesale of flowers and plants £8K net assets 51 employees	Active	Director Director	Jun 2023	Current	2y 7m	Sept 1972 53 yrs
AXIS WELL TECHNOLOGY INTERNATIONAL LIMITED Other professional, scientific and te... -£6K net assets 3 employees	Active	Director Director	Jun 2023	Current	2y 7m	May 2017 8 yrs
AXIS WELL TECHNOLOGY GROUP LIMITED Other professional, scientific and te... £1.0M net assets	Active	Director Director	Jun 2023	Current	2y 7m	Mar 2013 12 yrs
AXIS WELL TECHNOLOGY MANAGEMENT LIMITED Other professional, scientific and te... -£39.5M net assets £1.2M turnover 7 employees	Active	Director Director	Jun 2023	Current	2y 7m	Jan 2013 13 yrs
AXIS WELL TECHNOLOGY LIMITED Other professional, scientific and te... £1K net assets £24.5M turnover 89 employees	Active	Director Director	Jun 2023	Current	2y 7m	Mar 2001 24 yrs
WE ARE BRANDNEW LTD Advertising agencies £1 net assets	Active	Director Director	Jun 2023	Aug 2025	2y 2m	Jul 2022 3 yrs
1ST INRAIL LIMITED Construction of railways and undergro... £150K net assets £24.6M turnover 38 employees	Active	Director Director	May 2023	Current	2y 7m	May 2007 18 yrs
HAWKINS ELECTRICAL HOLDINGS LIMITED Activities of other holding companies... £2.5M net assets	Active	Director Director	Mar 2023	Current	2y 10m	Mar 2017 8 yrs
SES STRATEGIC LIMITED Other activities of employment placem... £100 net assets £114K turnover 2 employees	Active	Director	Mar 2023	Current	2y 10m	Sept 2014 11 yrs
HYDROFIX LIMITED Other professional, scientific and te... £626K net assets £2.2M turnover 9 employees	Active	Director Director	Feb 2023	Current	2y 11m	Mar 2003 22 yrs
BMG RESEARCH LTD Business and domestic software develo... £3.1M net assets £3.8M turnover 174 employees	Active	Director Director	Jan 2023	Current	2y 11m	Aug 1993 32 yrs
BMG RESEARCH HOLDINGS LIMITED Activities of other holding companies... £1.1M net assets	Active	Director Director	Jan 2023	Current	2y 11m	Jun 2016 9 yrs
WYSE GROUP LIMITED Activities of other holding companies... £172K net assets	Active	Director Director	Nov 2022	Current	3y 1m	Jan 2006 20 yrs
TRAVIS BAKER LIMITED Management consultancy activities oth... £340K net assets £3.0M turnover 46 employees	Active	Director Director	Oct 2022	Current	3y 3m	Feb 2006 19 yrs
TRAVIS BAKER GEO-ENVIRONMENTAL LIMITED Development of building projects £554K net assets £1.3M turnover 10 employees	Dissolved	Director Director	Oct 2022	Jun 2024	1y 8m	Feb 2015 10 yrs
TRAVIS BAKER (HOLDINGS) LTD Activities of head offices £1.4M net assets	Dissolved	Director Director	Oct 2022	Apr 2024	1y 6m	Mar 2014 10 yrs
TRAVIS BAKER EAST MIDLANDS LIMITED Development of building projects £187K net assets £414K turnover 8 employees	Dissolved	Director Director	Oct 2022	Jun 2024	1y 8m	Jun 2016 8 yrs
W.G.M (ENGINEERING)LIMITED Manufacture of metal structures and p... £8.5M net assets £44.1M turnover 376 employees	Active	Director Director	Oct 2022	Current	3y 3m	Jun 1986 39 yrs
TERRAFFIX SOIL SOLUTIONS LTD Landscape service activities -£116K net assets 2 employees	Active	Director Director	Sept 2022	Current	3y 3m	Jan 2019 6 yrs
HOLLYWOOD CIVIL ENGINEERING LIMITED Renting and leasing of construction a... £568K net assets £6.6M turnover 20 employees	Active	Director Director	Sept 2022	Current	3y 3m	Oct 2008 17 yrs
MIDROCK CONSTRUCTION LIMITED Activities of other holding companies... £17K net assets	Dissolved	Director Director	Sept 2022	Dissolved	1y 9m	Oct 2012 11 yrs
QUANTUM GEOTECHNIC LIMITED Test drilling and boring £2.6M net assets £6.2M turnover 18 employees	Active	Director Director	Aug 2022	Current	3y 5m	Mar 2019 6 yrs
SPENCER ECA GROUP LIMITED Other service activities n.e.c. £10K net assets	Dissolved	Director Director	Aug 2022	Dissolved	1y 10m	May 2019 5 yrs
SPENCER QUANTUM LIMITED Other service activities n.e.c. £8.7M net assets £5.3M turnover 34 employees	Active	Director	Aug 2022	Current	3y 5m	May 1994 31 yrs
PROEON SYSTEMS LIMITED Information technology consultancy ac... £2.1M net assets £4.2M turnover 46 employees	Active	Director Director	Jul 2022	Current	3y 5m	Apr 2004 21 yrs
PROEON HOLDINGS LIMITED Activities of other holding companies... £1.4M net assets	Dissolved	Director Director	Jul 2022	Apr 2024	1y 9m	Apr 2018 6 yrs
MG SCAFFOLDING (OXFORD) LIMITED Development of building projects £2.3M net assets £9.7M turnover 129 employees	Active	Director Director	Jul 2022	Current	3y 6m	Sept 2002 23 yrs
FR CONSULTANTS LIMITED Engineering related scientific and te... £6.2M net assets £12.3M turnover 39 employees	Active	Director	Jun 2022	Current	3y 7m	May 2018 7 yrs
MSS CONSULTING LIMITED Environmental consulting activities £552K net assets 7 employees	Active	Director Director	Jun 2022	Current	3y 7m	Sept 2005 20 yrs
MSS WATER LIMITED Manufacture of cleaning and polishing... £2.6M net assets £3.5M turnover 40 employees	Active	Director	Jun 2022	Current	3y 7m	Feb 2002 23 yrs
MSS GROUP LIMITED Other business support service activi... £13.1M net assets £28.2M turnover 415 employees	Active	Director Director	Jun 2022	Current	3y 7m	Jun 2005 20 yrs
MSS FACILITIES SERVICES LTD Combined facilities support activities £1.6M net assets £15.3M turnover 329 employees	Active	Director Director	Jun 2022	Current	3y 7m	Aug 2005 20 yrs
WATERTRAIN LIMITED Technical and vocational secondary ed... £91K net assets	Active	Director Director	May 2022	Current	3y 8m	Oct 2007 18 yrs
WATERTRAIN ACQUISITIONS LIMITED Technical and vocational secondary ed... £48K net assets	Dissolved	Director Director	May 2022	Dissolved	2y 1m	Jun 2013 10 yrs
WINDTECHS LTD Other manufacturing n.e.c. £969K net assets £891K turnover 9 employees	Active	Director Director	Apr 2022	Current	3y 8m	Sept 2007 18 yrs
FELLOWS CONSTRUCTION CONSULTANTS LTD Other specialised construction activi... £89K net assets £1.9M turnover 14 employees	Active	Director Director	Apr 2022	Current	3y 8m	Oct 2013 12 yrs
RSK RENEWABLES LIMITED Construction of utility projects for ... £2.3M net assets £21.1M turnover 41 employees	Active	Director Director	Mar 2022	Current	3y 10m	Aug 2007 18 yrs
CEETECH LIMITED Electrical installation £2.1M net assets £17.9M turnover 81 employees	Active	Director Director	Mar 2022	Current	3y 10m	Jun 2001 24 yrs
RICHARD ALLITT ASSOCIATES LIMITED Engineering related scientific and te... £1.1M net assets £2.8M turnover 23 employees	Active	Director	Mar 2022	Current	3y 10m	Sept 1996 29 yrs
FISHTEK LIMITED Marine fishing £395K net assets £4.0M turnover 31 employees	Active	Director Director	Feb 2022	Current	3y 11m	Apr 1999 26 yrs
NON ENTRY SYSTEMS LIMITED Manufacture of other special-purpose ... -£37K net assets £1.7M turnover 13 employees	Active	Director Director	Dec 2021	Current	4 yrs	May 1995 30 yrs
ATV CONTRACT SERVICES LIMITED Renting and leasing of agricultural m... £205K net assets 49 employees	Active	Director	Dec 2021	Current	4 yrs	Aug 2002 23 yrs
OPTISOL SERVICES LTD Construction of other civil engineeri... £424K net assets 14 employees	Active	Director Director	Dec 2021	Current	4 yrs	Jun 2016 9 yrs
CENTARA LTD Other engineering activities £666K net assets £4.8M turnover 69 employees	Active	Director Director	Nov 2021	Current	4y 2m	Sept 2009 16 yrs
CENTARA ENGINEERING SERVICES LTD Other engineering activities £1.1M net assets £1.4M turnover 24 employees	Dissolved	Director Director	Nov 2021	Jun 2024	2y 6m	Jul 2017 7 yrs
CENTARA BUREAU SERVICES LTD Engineering related scientific and te... £807K net assets £768K turnover 12 employees	Dissolved	Director Director	Nov 2021	Jun 2024	2y 6m	Oct 2011 12 yrs
CENTARA GROUP LTD Activities of construction holding co... £9K net assets	Dissolved	Director Director	Nov 2021	Apr 2024	2y 5m	Jun 2012 12 yrs
ENVIREAU LTD Environmental consulting activities £336K net assets £2.4M turnover 21 employees	Active	Director	Nov 2021	Current	4y 2m	Jul 2008 17 yrs
ENVIROFLOW MANAGEMENT LIMITED Other business support service activi... -£2.3M net assets 66 employees	Active	Director Director	Oct 2021	Current	4y 3m	Apr 2010 15 yrs
STREETWISE UK MANAGEMENT LIMITED Management consultancy activities oth... -£785K net assets 115 employees	Active	Director Director	Oct 2021	Current	4y 3m	May 2004 21 yrs
CARBON ZERO CONSULTING LTD Engineering related scientific and te... -£21K net assets	Active	Director	Sept 2021	Current	4y 3m	Feb 1997 28 yrs
MWH FARRER LIMITED Engineering related scientific and te... £694K net assets £31.0M turnover 278 employees	Active	Director Director	Aug 2021	Current	4y 4m	Mar 2006 19 yrs
MWH CONSTRUCTORS LIMITED Construction of water projects £1 net assets	Active	Director	Aug 2021	Current	4y 4m	Aug 2018 7 yrs
MWH LIMITED Construction of water projects £1 net assets	Active	Director	Aug 2021	Current	4y 4m	Aug 2018 7 yrs
MWH UK ACQUISITIONS LIMITED Construction of water projects £10.6M net assets	Active	Director Director	Aug 2021	Current	4y 4m	Oct 2018 7 yrs
ELECTROKINETIC LIMITED Construction of commercial buildings £478K net assets	Active	Director Director	Aug 2021	Current	4y 4m	Mar 2001 24 yrs
EIB PROFESSIONAL SERVICES LIMITED Management consultancy activities oth... £13K net assets	Active	Director	Aug 2021	Current	4y 4m	Jun 2012 13 yrs
EIB GROUP LIMITED Activities of head offices £2.4M net assets £5.6M turnover 34 employees	Active	Director Director	Aug 2021	Current	4y 4m	Mar 2018 7 yrs
MWH TREATMENT LIMITED Construction of water projects £38.1M net assets £234.8M turnover 614 employees	Active	Director	Aug 2021	Current	4y 4m	Dec 1980 45 yrs
EIB GROWTH SERVICES LIMITED Dormant Company £1 net assets	Active	Director Director	Aug 2021	Current	4y 4m	Mar 2018 7 yrs
LEAP ENVIRONMENTAL LIMITED Engineering related scientific and te... £814K net assets £3.9M turnover 39 employees	Active	Director Director	Jul 2021	Current	4y 5m	Apr 2008 17 yrs
CS2 LIMITED Other professional, scientific and te... £933K net assets £7.9M turnover 70 employees	Active	Director Director	Jul 2021	Current	4y 5m	Dec 1999 26 yrs
TECHNIK GROUND SOLUTIONS LIMITED Other specialised construction activi... £1.6M net assets £3.8M turnover	Active	Director Director	Jun 2021	Current	4y 6m	Dec 2011 14 yrs
SONIC DRILLING & PILING PLANTHIRE LIMITED Other specialised construction activi... £1.5M net assets 18 employees	Active	Director Director	Jun 2021	Current	4y 6m	Mar 2012 13 yrs
STEPHENSON HALLIDAY LIMITED Environmental consulting activities £173K net assets £4.1M turnover 62 employees	Active	Director Director	Apr 2021	Current	4y 8m	Mar 2001 24 yrs
CBEC ECO ENGINEERING UK LIMITED Environmental consulting activities £846K net assets £1.8M turnover 23 employees	Active	Director Director	Apr 2021	Current	4y 9m	Sept 2010 15 yrs
NICHOLAS O'DWYER LIMITED Other specialised construction activi... £1.6M net assets £5.8M turnover 22 employees	Active	Director	Mar 2021	Current	4y 9m	Nov 1989 36 yrs
C.R. CIVIL ENGINEERING LIMITED Construction of roads and motorways £6.0M net assets £21.2M turnover 216 employees	Active	Director Director	Mar 2021	Current	4y 10m	Mar 2000 25 yrs
E.D.P. HEALTH, SAFETY AND ENVIRONMENT CONSULTANTS LIMITED Management consultancy activities oth... £258K net assets 85 employees	Active	Director Company Director	Mar 2021	Current	4y 10m	Jul 1999 26 yrs
EDP CONSULTANTS LTD Management consultancy activities oth... £1.2M net assets	Active	Director Company Director	Mar 2021	Current	4y 10m	Jul 2014 11 yrs
CUMBRIA ACCESS SERVICES LIMITED Other specialised construction activi... £1K net assets	Active	Director	Jan 2021	Current	4y 11m	May 1997 28 yrs
BINNIES UK LIMITED Construction of water projects £12.8M net assets £105.0M turnover 574 employees	Active	Director Director	Jan 2021	Current	4y 11m	Feb 1996 29 yrs
PHAROS GENERATOR SERVICES LIMITED Other business support service activi... -£247K net assets £1.5M turnover 12 employees	Active	Director Director	Dec 2020	Current	5 yrs	Dec 2012 13 yrs
BINNIE & PARTNERS LIMITED Environmental consulting activities £0 net assets	Active	Director Director	Dec 2020	Current	5y 1m	Nov 2020 5 yrs
SUSTAINABLE PIGMENTS LIMITED Other professional, scientific and te...	Dissolved	Director Director	Sept 2020	Dissolved	1y 1m	Oct 1997 24 yrs
RSK BUSINESS SOLUTIONS PROPERTY LIMITED Buying and selling of own real estate -£20K net assets 3 employees	Active	Director Consultant	Aug 2020	Current	5y 4m	Aug 2020 5 yrs
WATER RESEARCH CENTRE LIMITED Other engineering activities £1.5M net assets £18.4M turnover 177 employees	Active	Director Director	Aug 2020	Current	5y 4m	Jan 2018 7 yrs
COGNICA LIMITED Other professional, scientific and te... £998K net assets £1.0M turnover 20 employees	Active	Director	Aug 2020	Current	5y 4m	Jan 1998 27 yrs
RSK WIGAN PROPERTY LLP £455K net assets 3 employees	Active	Llp Designated Member	Jul 2020	Feb 2023	2y 7m	Jul 2020 5 yrs
CAN RENEWABLES LIMITED Construction of utility projects for ... -£922K net assets 21 employees	Active	Director Director	Apr 2020	Current	5y 9m	Apr 2020 5 yrs
SALIX RIVER & WETLAND SERVICES LIMITED Freshwater aquaculture £1.9M net assets £6.8M turnover 42 employees	Active	Director Director	Feb 2020	Current	5y 11m	Oct 2003 22 yrs
ZERO ENERGY DESIGN LTD Engineering related scientific and te... £237K net assets £522K turnover 6 employees	Active	Director Director	Nov 2019	Current	6y 1m	May 2006 19 yrs
SILCOCK LEEDHAM CONSULTING ENGINEERS LIMITED Other business support service activi... -£287K net assets 25 employees	Active	Director Director	Nov 2019	Current	6y 1m	Sept 2010 15 yrs
VERISYS LIMITED Other business support service activi... £106K net assets 10 employees	Active	Director Director	Nov 2019	Apr 2022	2y 4m	Jan 2010 16 yrs
ECOLOGIA ENVIRONMENTAL SOLUTIONS LIMITED Remediation activities and other wast... £1.1M net assets £5.2M turnover 43 employees	Active	Director Director	Sept 2019	Current	6y 4m	Mar 2000 25 yrs
RSK RAW LIMITED Other professional, scientific and te... -£3.2M net assets 35 employees	Active	Director	Jun 2019	Current	6y 6m	Jun 2019 6 yrs
CONSENTS SOLUTIONS LTD Other business support service activi... £221K net assets £799K turnover 9 employees	Active	Director Director	Apr 2019	Current	6y 9m	Oct 2011 14 yrs
BTS UTILITY ARB LIMITED Dormant Company	Dissolved	Director Director	Dec 2018	Dissolved	3y 7m	Oct 2005 16 yrs
ADAS SILVERDALE LIMITED Development of building projects -£60K net assets	Active	Director Environmental Consultant	Dec 2018	Current	7y 1m	Dec 2018 7 yrs
CAN LONDON LIMITED Dormant Company	Active	Director	Oct 2018	Current	7y 2m	Sept 2003 22 yrs
CENTRAL ALLIANCE (HOLDINGS) LIMITED Site preparation £1K net assets	Active	Director Environmental Consultant	Mar 2018	Current	7y 10m	Feb 2014 11 yrs
RSK ACOUSTICS LIMITED Engineering related scientific and te... £247K net assets £3.6M turnover 39 employees	Active	Director Company Director	Nov 2017	Current	8y 1m	Dec 2009 16 yrs
ACIES CIVIL AND STRUCTURAL LIMITED Other engineering activities £376K net assets £1.4M turnover 18 employees	Active	Director None	May 2017	Current	8y 8m	Mar 2010 15 yrs
RSK ADAS LIMITED Environmental consulting activities £1.5M net assets £36.1M turnover 445 employees	Active	Director Company Director	Nov 2016	Current	9y 1m	Nov 2016 9 yrs
PS RAIL LIMITED Dormant Company £2 net assets	Dissolved	Director Company Director	Apr 2016	Dissolved	7y 11m	Jun 2002 21 yrs
DYNAMIC SAMPLING UK LIMITED Test drilling and boring £557K net assets £5.2M turnover 50 employees	Active	Director Company Director	Apr 2016	Current	9y 8m	Jan 2001 24 yrs
RSK DRILLING SERVICES LIMITED	Dissolved	Director Director	Mar 2016	Dissolved	1y 5m	Mar 2016 1 yr
JB SITE INVESTIGATIONS LIMITED Test drilling and boring -£2.1M net assets 22 employees	Active	Director Director	Mar 2016	Current	9y 10m	Mar 2016 9 yrs
RSK BUSINESS SOLUTIONS HOLDINGS LIMITED Activities of other holding companies... £6K net assets 3 employees	Active	Director Director	Feb 2016	Current	9y 10m	Feb 2016 9 yrs
RSK MIDDLE EAST LIMITED Environmental consulting activities £100 net assets	Active	Director	Feb 2010	Current	15y 10m	Feb 2010 15 yrs
RSK TRAINING LIMITED Environmental consulting activities	Dissolved	Director Director	Feb 2010	Dissolved	12 yrs	Feb 2010 12 yrs
RSK REMEDIATION AND DEVELOPMENT LIMITED Remediation activities and other wast... £100 net assets	Dissolved	Director	Feb 2010	Dissolved	15y 11m	Feb 2010 15 yrs
SUPA GOLF EUROPE LIMITED Other sporting activities	Dissolved	Director Director	Sept 2009	Dissolved	2y 3m	Sept 2009 2 yrs
SUPA GOLF LIMITED	Dissolved	Director Director	Sept 2009	Dissolved	1y 7m	Sept 2009 1 yr
RSK BUSINESS SOLUTIONS LTD Information technology consultancy ac... £882K net assets 33 employees	Active	Director Director	Jun 2009	Current	16y 7m	Jun 2009 16 yrs
RSK GROUP TRUSTEES LIMITED Activities of investment trusts £2 net assets	Active	Director Director	Mar 2009	Current	16y 9m	Mar 2009 16 yrs
ABSOLUTE SOLAR AND WIND LTD Environmental consulting activities £1K net assets	Active	Director Director	Dec 2008	Current	17y 1m	Dec 2008 17 yrs
THE NATURAL WAY TO GO LTD Non-trading company £100 net assets	Active	Director	Nov 2008	Current	17y 1m	Nov 2008 17 yrs
STATS GROUP LIMITED Environmental consulting activities £1 net assets	Dissolved	Director Director	May 2008	Dissolved	13 yrs	Apr 2007 14 yrs
RSKW LTD Environmental consulting activities -£32K net assets	Active	Director Director	Mar 2008	Current	17y 9m	Mar 2008 17 yrs
ARGUS ENVIRONMENTAL LIMITED Remediation activities and other wast... £1K net assets	Active	Director Director	Feb 2008	Current	17y 10m	Dec 1992 33 yrs
RSK STATS LIMITED Environmental consulting activities £59K net assets	Dissolved	Director Director	Jan 2008	Dissolved	16y 4m	Jul 1993 30 yrs
BUILDING SCIENCES LIMITED Environmental consulting activities £200 net assets	Active	Director Director	Jan 2008	Current	18 yrs	Feb 1986 39 yrs
RSK RADIOLOGICAL LIMITED Environmental consulting activities £91K net assets 3 employees	Active	Director Director	Sept 2007	Current	18y 4m	Sept 2007 18 yrs
RSK RADIOLOGICAL LIMITED Environmental consulting activities £91K net assets 3 employees	Active	Secretary	Sept 2007	Mar 2011	3y 5m	Sept 2007 18 yrs
TECHNICAL EDITING SERVICES LIMITED Other information service activities ...	Dissolved	Director Director	Aug 2007	Dissolved	15 yrs	May 1994 28 yrs
TECHNICAL EDITING SERVICES LIMITED Other information service activities ...	Dissolved	Secretary Director	Aug 2007	Oct 2008	1y 2m	May 1994 28 yrs
RSK CARBON MANAGEMENT LIMITED Environmental consulting activities	Dissolved	Director Director	May 2007	Dissolved	14y 9m	May 2007 14 yrs
RSK CARBON MANAGEMENT LIMITED Environmental consulting activities	Dissolved	Secretary	May 2007	Jun 2016	9 yrs	May 2007 14 yrs
RSK CARTER ECOLOGICAL LTD Environmental consulting activities	Dissolved	Director Director	Mar 2007	Dissolved	15y 4m	Mar 2007 15 yrs
RSK CARTER ECOLOGICAL LTD Environmental consulting activities	Dissolved	Secretary	Mar 2007	Mar 2016	8y 11m	Mar 2007 15 yrs
STRUCTURAL SOILS LIMITED Construction of other civil engineeri... £796K net assets £22.0M turnover 255 employees	Active	Director Director	Feb 2007	Current	18y 10m	Nov 1964 61 yrs
STRUCTURAL SOILS LIMITED Construction of other civil engineeri... £796K net assets £22.0M turnover 255 employees	Active	Secretary Director	Feb 2007	Nov 2007	9 mo	Nov 1964 61 yrs
RSK CARTERS ECOLOGICAL LTD Environmental consulting activities £100 net assets	Dissolved	Director Director	Feb 2007	Dissolved	14y 3m	Feb 2007 14 yrs
RSK CARTERS ECOLOGICAL LTD Environmental consulting activities £100 net assets	Dissolved	Secretary	Feb 2007	Dec 2011	4y 9m	Feb 2007 14 yrs
RSK RESOURCING LIMITED Human resources provision and managem...	Dissolved	Secretary	Feb 2007	Dec 2008	1y 9m	Nov 2006 15 yrs
INFORMATION TECHNOLOGISTS LIMITED Information technology consultancy ac... -£372 net assets	Dissolved	Secretary	Jan 2007	Dissolved	14y 5m	Aug 1992 28 yrs
KAZAKHSTAN ENVIRONMENT AND TECHNOLOGY CENTRE LIMITED Environmental consulting activities £1 net assets	Dissolved	Secretary	Jan 2007	Oct 2008	1y 9m	May 2002 19 yrs
RSK RESOURCING LIMITED Human resources provision and managem...	Dissolved	Director Company Director	Nov 2006	Dissolved	15y 1m	Nov 2006 15 yrs
RSK (IRELAND) LIMITED Environmental consulting activities £176K net assets £4.2M turnover 20 employees	Active	Director Director	Jun 2006	Current	19y 6m	Jun 2006 19 yrs
RSK (IRELAND) LIMITED Environmental consulting activities £176K net assets £4.2M turnover 20 employees	Active	Secretary	Jun 2006	Jul 2009	3 yrs	Jun 2006 19 yrs
RSK PROJECT SERVICES LIMITED Environmental consulting activities £141K net assets £4.7M turnover 29 employees	Active	Secretary	Apr 2006	Jul 2009	3y 3m	Feb 1994 31 yrs
RSK REMEDIATION LIMITED Environmental consulting activities £1K net assets	Dissolved	Secretary Company Director	Nov 2004	Dissolved	17y 7m	Mar 1998 24 yrs
RSK REMEDIATION LIMITED Environmental consulting activities £1K net assets	Dissolved	Director Company Director	Nov 2004	Dissolved	17y 7m	Mar 1998 24 yrs
RSK ENVIRONMENT (EASTERN EUROPE) LIMITED Environmental consulting activities -£259K net assets	Dissolved	Director Director	Feb 2004	Dissolved	18y 1m	Feb 2004 18 yrs
RSK ENVIRONMENT (EASTERN EUROPE) LIMITED Environmental consulting activities -£259K net assets	Dissolved	Secretary	Feb 2004	Mar 2011	7 yrs	Feb 2004 18 yrs
REMEDX LIMITED Site preparation £295K net assets £6.8M turnover 15 employees	Active	Director Director	Feb 2004	Current	21y 10m	Feb 2004 21 yrs
REMEDX LIMITED Site preparation £295K net assets £6.8M turnover 15 employees	Active	Secretary	Feb 2004	Mar 2011	7 yrs	Feb 2004 21 yrs
R.W. MANAGEMENT (HOLDINGS) LTD Other professional, scientific and te...	Dissolved	Secretary	Jun 2003	Oct 2008	5y 4m	Sept 1999 24 yrs
R.W. MANAGEMENT (HOLDINGS) LTD Other professional, scientific and te...	Dissolved	Director Company Director	Jun 2003	Dissolved	20y 8m	Sept 1999 24 yrs
RSK PROJECT SERVICES LIMITED Environmental consulting activities £141K net assets £4.7M turnover 29 employees	Active	Director Company Director	Jun 2003	Current	22y 7m	Feb 1994 31 yrs
RSK LAND & DEVELOPMENT ENGINEERING LIMITED Environmental consulting activities £1.1M net assets £5.4M turnover 62 employees	Active	Director Director	Apr 2003	Current	22y 9m	Apr 2003 22 yrs
RSK LAND & DEVELOPMENT ENGINEERING LIMITED Environmental consulting activities £1.1M net assets £5.4M turnover 62 employees	Active	Secretary	Apr 2003	Apr 2009	6 yrs	Apr 2003 22 yrs
RSK TURKEY LIMITED Environmental consulting activities £1 net assets	Dissolved	Director Director	Feb 2003	Dissolved	18y 4m	Feb 2003 18 yrs
RSK TURKEY LIMITED Environmental consulting activities £1 net assets	Dissolved	Secretary	Feb 2003	Mar 2014	11 yrs	Feb 2003 18 yrs
RSK STATS ENVIRONMENT HEALTH AND SAFETY LIMITED Environmental consulting activities £23K net assets	Active	Director	Jan 2003	Current	22y 11m	Jan 2003 22 yrs
RSK STATS ENVIRONMENT HEALTH AND SAFETY LIMITED Environmental consulting activities £23K net assets	Active	Secretary	Jan 2003	Jan 2009	6 yrs	Jan 2003 22 yrs
RSK GROUP LIMITED Activities of head offices -£205.6M net assets £1220.0M turnover 10532 employees	Active	Secretary	Jan 2003	Dec 2007	4y 10m	Apr 1999 26 yrs
AZERBAIJAN ENVIRONMENT AND TECHNOLOGY CENTRE LIMITED Environmental consulting activities £64K net assets £40K turnover	Active	Secretary	Jan 2003	Jun 2009	6y 5m	Jun 1995 30 yrs
ENVIROLAB LIMITED Technical testing and analysis £431K net assets £5.2M turnover 72 employees	Active	Secretary	Jan 2003	Aug 2008	5y 6m	Jul 2002 23 yrs
RSK ENVIRONMENT LIMITED Remediation activities and other wast... £490.9M net assets £81.2M turnover 582 employees	Active	Secretary	Jan 2003	Jan 2009	6 yrs	Jan 1989 37 yrs
RSK STATS GEOCONSULT LIMITED Site preparation £1.1M net assets	Active	Secretary	Jan 2003	Oct 2009	6y 8m	May 1991 34 yrs
RSK INVESTMENTS LIMITED Other service activities n.e.c. £8K net assets	Active	Secretary	Jan 2003	Mar 2021	18y 2m	Aug 2002 23 yrs
RSK INVESTMENTS LIMITED Other service activities n.e.c. £8K net assets	Active	Director Director	Aug 2002	Current	23y 5m	Aug 2002 23 yrs
ENVIROLAB LIMITED Technical testing and analysis £431K net assets £5.2M turnover 72 employees	Active	Director	Jul 2002	Current	23y 6m	Jul 2002 23 yrs
ALAN RYDER INVESTMENTS LIMITED Other letting and operating of own or... £15.2M net assets 4 employees	Active	Director Director	Jul 2002	Current	23y 6m	Jul 2002 23 yrs
KAZAKHSTAN ENVIRONMENT AND TECHNOLOGY CENTRE LIMITED Environmental consulting activities £1 net assets	Dissolved	Director Director	May 2002	Dissolved	19y 4m	May 2002 19 yrs
GEOFILM INTERNATIONAL LIMITED Non-trading company	Dissolved	Director Director	Nov 2001	Dissolved	10y 6m	Nov 2001 10 yrs
PIPESIGHT INTERNATIONAL LIMITED Non-trading company	Dissolved	Director Director	Nov 2001	Dissolved	14y 7m	Nov 2001 14 yrs
RSK STATS GEOCONSULT LIMITED Site preparation £1.1M net assets	Active	Director Director	Aug 2001	Current	24y 5m	May 1991 34 yrs
RSK GROUP LIMITED Activities of head offices -£205.6M net assets £1220.0M turnover 10532 employees	Active	Director Environmental Consultant	Apr 1999	Current	26y 8m	Apr 1999 26 yrs
RSK ORBITAL LIMITED Other service activities n.e.c. £382K net assets £967K turnover 6 employees	Active	Director Director	Dec 1998	Current	27 yrs	Dec 1998 27 yrs
RSK ORBITAL LIMITED Other service activities n.e.c. £382K net assets £967K turnover 6 employees	Active	Secretary Company Director	Dec 1998	Dec 1999	11 mo	Dec 1998 27 yrs
M & M COMMUNICATIONS LIMITED Other business activities n.e.c.	Dissolved	Director Company Director	Mar 1998	Jun 2004	6y 2m	Mar 1998 14 yrs
KENERA LIMITED Environmental consulting activities £5K net assets 1 employees	Dissolved	Director Environmental Consultant	Mar 1996	Sept 2018	22y 6m	Mar 1996 27 yrs
AZERBAIJAN ENVIRONMENT AND TECHNOLOGY CENTRE LIMITED Environmental consulting activities £64K net assets £40K turnover	Active	Director Company Director	Jan 1996	Current	30 yrs	Jun 1995 30 yrs
SKYVISION INTERNATIONAL LIMITED Architectural activities £152K net assets £644K turnover 1 employees	Active	Director Company Director	Oct 1995	Current	30y 2m	Sept 1994 31 yrs
THE PIPELINE INDUSTRIES GUILD LIMITED Activities of professional membership... £660K net assets 8 employees	Active	Director Environmental Consultant	May 1995	Jun 2002	7 yrs	Nov 1990 35 yrs
INFORMATION TECHNOLOGISTS LIMITED Information technology consultancy ac... -£372 net assets	Dissolved	Director Company Director	Mar 1993	Dissolved	28y 2m	Aug 1992 28 yrs
RSK ENVIRONMENT LIMITED Remediation activities and other wast... £490.9M net assets £81.2M turnover 582 employees	Active	Director Company Director	Mar 1989	Current	36y 9m	Jan 1989 37 yrs