Ryder, Alasdair Alan (1961-09)

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Main board

Organisation Position From Until
1 1ST INRAIL LIMITED DirDirector 2023-05-24
2 3BM LIMITED DirDirector 2024-10-18
3 ABSOLUTE SOLAR AND WIND LTD (GBEN) DirDirector 2008-12-15
4 ACIES CIVIL AND STRUCTURAL LIMITED DirDirector 2017-05-04
5 ADAS SILVERDALE LIMITED DirDirector 2018-12-03
6 ADVANTAGE RSK LIMITED DirDirector 2021-10-04
7 AFFORDABLE SKIP HIRE BRISTOL LIMITED DirDirector 2023-07-11
8 AJ ENGINEERING & CONSTRUCTION SERVICES LIMITED DirDirector 2025-06-03
9 ALAN RYDER INVESTMENTS LIMITED DirDirector 2002-07-16
10 APOLLO STRATEGIC COMMUNICATIONS LIMITED DirDirector 2024-10-24
11 ARA ARCHITECTURE LIMITED DirDirector 2023-05-02
12 ARGRENNAN ESTATE LIMITED DirDirector 2022-01-27
13 ARGUS ENVIRONMENTAL LIMITED DirDirector 2008-02-28
14 ATP ARCHITECTS + SURVEYORS LIMITED DirDirector 2019-10-17
15 ATV CONTRACT SERVICES LIMITED DirDirector 2021-12-17
16 AURORA HEALTH PHYSICS SERVICES LIMITED DirDirector 2023-10-06
17 AXIS WELL TECHNOLOGY GROUP LIMITED DirDirector 2023-06-02
18 AXIS WELL TECHNOLOGY INTERNATIONAL LIMITED DirDirector 2023-06-02
19 AXIS WELL TECHNOLOGY LIMITED DirDirector 2023-06-02
20 AXIS WELL TECHNOLOGY MANAGEMENT LIMITED DirDirector 2023-06-02
21 AZERBAIJAN ENVIRONMENT AND TECHNOLOGY CENTRE LIMITED DirDirector 1996-01-11
22 BATEMAN SKIPS LTD DirDirector 2023-07-11
23 BINNIE & PARTNERS LIMITED (b2020-11-05) DirDirector 2020-12-10
24 BINNIES UK LIMITED DirDirector 2021-01-15
25 BMG RESEARCH HOLDINGS LIMITED DirDirector 2023-01-25
26 BMG RESEARCH LTD DirDirector 2023-01-25
27 BROWN & MAY MARINE HOLDINGS LIMITED DirDirector 2022-10-14 2024-06-04
28 BROWN & MAY MARINE LIMITED DirDirector 2022-10-14
29 BTS GROUP LIMITED (GBEN) DirDirector 2018-12-07
30 BTS UTILITY ARB LIMITED DirDirector 2018-12-07 2022-07-19
31 BUILDING SCIENCES LIMITED DirDirector 2008-01-09
32 C.J. ASSOCIATES GEOTECHNICAL LIMITED DirDirector 2017-12-21
33 C.R. CIVIL ENGINEERING LIMITED DirDirector 2021-03-02
34 CALIBRATE GROUP LIMITED DirDirector 2023-04-01
35 CALIBRATE INC LTD DirDirector 2023-04-01
36 CALIBRATE LEASING LIMITED DirDirector 2023-04-01
37 CALIBRATE MAINTENANCE LTD DirDirector 2023-04-01
38 CAN GEOTECHNICAL LIMITED DirDirector 2018-10-26
39 CAN LIMITED (GBEN) DirDirector 2018-10-26
40 CAN LONDON LIMITED DirDirector 2018-10-26
41 CAN RENEWABLES LIMITED DirDirector 2020-04-01
42 CAN STRUCTURES LIMITED DirDirector 2018-10-26
43 CAN UK HOLDINGS LIMITED DirDirector 2018-10-26
44 CARBON ZERO CONSULTING LTD DirDirector 2021-09-30
45 CBEC ECO ENGINEERING UK LIMITED DirDirector 2021-04-01
46 CEETECH LIMITED DirDirector 2022-03-11
47 CENTARA BUREAU SERVICES LTD DirDirector 2021-11-12 2024-06-03
48 CENTARA ENGINEERING SERVICES LTD DirDirector 2021-11-12 2024-06-03
49 CENTARA GROUP LTD DirDirector 2021-11-12 2024-04-17
50 CENTARA LTD DirDirector 2021-11-12
51 CENTRAL ALLIANCE (HOLDINGS) LIMITED DirDirector 2018-03-12
52 CENTRAL ALLIANCE PRE CONSTRUCTION SERVICES LTD DirDirector 2018-03-18
53 COGNICA LIMITED DirDirector 2020-08-18
54 CONSENTS SOLUTIONS LTD DirDirector 2019-04-08
55 COPELAND WEDGE ASSOCIATES LTD DirDirector 2018-04-05
56 CRCE PLANT LIMITED DirDirector 2021-03-02
57 CS2 LIMITED (GBEN) DirDirector 2021-07-30
58 CUMBRIA ACCESS SERVICES LIMITED DirDirector 2021-01-22
59 CX ENERGY LTD DirDirector 2023-03-31
60 CX GROUP HOLDINGS LIMITED DirDirector 2023-03-31
61 CX UTILITIES LTD DirDirector 2023-03-31
62 DEANS CIVIL ENGINEERING LIMITED DirDirector 2023-10-09
63 DEANS DEVELOPMENTS (KILBARCHAN) LTD DirDirector 2023-10-09
64 DEANS HOLDCO LIMITED DirDirector 2023-10-09
65 DECISION SUPPORT TOOLS LIMITED DirDirector 2023-06-02
66 DRILLING SUPPLIES UK LIMITED DirDirector 2019-03-29
67 DVCR GROUP LIMITED DirDirector 2021-03-02 2024-06-04
68 DWD PROPERTY AND PLANNING LIMITED DirDirector 2023-09-29
69 DYNAMIC SAMPLING UK LIMITED DirDirector 2016-04-27
70 E.D.P. HEALTH, SAFETY AND ENVIRONMENT CONSULTANTS LIMITED DirDirector 2021-03-02
71 EB7 LIMITED DirDirector 2024-08-07
72 EB7 PARTY WALL LIMITED DirDirector 2024-08-07
73 ECD ARCHITECTS LTD DirDirector 2025-01-31
74 ECOLOGIA ENVIRONMENTAL SOLUTIONS HOLDINGS LIMITED DirDirector 2019-09-11
75 ECOLOGIA ENVIRONMENTAL SOLUTIONS LIMITED DirDirector 2019-09-11
76 ECONOMIC RESEARCH SERVICES LIMITED DirDirector 2022-10-31
77 EDP CONSULTANTS LTD DirDirector 2021-03-02
78 EIB GROUP LIMITED DirDirector 2021-08-31
79 EIB GROWTH SERVICES LIMITED DirDirector 2021-08-31
80 EIB PROFESSIONAL SERVICES LIMITED DirDirector 2021-08-31
81 ELECTROKINETIC LIMITED DirDirector 2021-08-31
82 ELSYM INSTALLATIONS LIMITED DirDirector 2025-03-28
83 ENTRAINMENT LIMITED DirDirector 2017-12-20
84 ENVIREAU LTD DirDirector 2021-11-02
85 ENVIRESEARCH LIMITED DirDirector 2021-03-03
86 ENVIRESEARCH TECHNOLOGIES LIMITED DirDirector 2021-03-03
87 ENVIROFLOW MANAGEMENT LIMITED DirDirector 2021-10-15
88 ENVIROLAB LIMITED DirDirector 2002-07-16
89 FALKLANDS CONSERVATION DirDirector 2024-02-21
90 FELLOWS CONSTRUCTION CONSULTANTS LTD DirDirector 2022-04-27
91 FISHTEK LIMITED (GBEN) DirDirector 2022-02-04
92 FR CONSULTANTS LIMITED DirDirector 2022-06-13
93 FUSION PROJECT MANAGEMENT LIMITED DirDirector 2024-10-18
94 GEOCORE SITE INVESTIGATIONS LIMITED DirDirector 2019-08-09
95 GEOFILM INTERNATIONAL LIMITED DirDirector 2001-11-08 2012-05-22
96 GEOTECHNICAL & STRUCTURAL SERVICES (HOLDINGS) LIMITED DirDirector 2017-11-27 2024-04-09
97 GEOTECHNICAL AND STRUCTURAL SERVICES LIMITED DirDirector 2017-11-27 2024-06-04
98 GHI RENEWABLES LIMITED DirDirector 2020-06-15
99 GLOBAL RAIL CONSTRUCTION LIMITED DirDirector 2023-09-07
100 GRIDFLEX LTD DirDirector 2023-04-01
101 HAWKINS ELECTRICAL HOLDINGS LIMITED DirDirector 2023-03-09
102 HAWKINS ELECTRICAL LIMITED DirDirector 2023-03-09
103 HEADLAND ARCHAEOLOGY (UK) LIMITED DirDirector 2019-03-08
104 HEADLAND GROUP LIMITED DirDirector 2019-03-08 2024-05-28
105 HOLLYWOOD CIVIL ENGINEERING LIMITED DirDirector 2022-09-26
106 HOMER BURGESS LIMITED DirDirector 2023-10-31
107 HYDROFIX LIMITED DirDirector 2023-02-02
108 IAN FARMER ASSOCIATES (1998) LIMITED DirDirector 2017-11-27
109 INFORMATION TECHNOLOGISTS LIMITED DirDirector 1993-03-09 2021-06-08
110 J & A PELLING LTD DirDirector 2018-12-17
111 JB SITE INVESTIGATIONS LIMITED DirDirector 2016-03-11
112 KAZAKHSTAN ENVIRONMENT AND TECHNOLOGY CENTRE LIMITED DirDirector 2002-05-07 2021-09-21
113 KEEGANS LIMITED DirDirector 2025-01-31
114 KENDALL KINGSCOTT LIMITED DirDirector 2024-10-29
115 KENERA LIMITED DirDirector 1996-03-08 2018-09-27
116 KIRTON WATER TREATMENT SERVICES LIMITED (b2013-07-16) DirDirector 2023-07-06
117 KMGP LIMITED DirDirector 2017-06-09
118 LARSEN WATER MANAGEMENT LTD DirDirector 2023-08-25
119 LEAP ENVIRONMENTAL LIMITED DirDirector 2021-07-30
120 M & M COMMUNICATIONS LIMITED (d2012-10-30) DirDirector 1998-03-25 2004-06-03
121 MG SCAFFOLDING (OXFORD) LIMITED DirDirector 2022-07-01
122 MIDROCK CONSTRUCTION LIMITED DirDirector 2022-09-26 2024-07-16
123 MILESTONE COMMUNICATIONS LIMITED DirDirector 2022-08-04
124 MSS CONSULTING LIMITED DirDirector 2022-06-10
125 MSS ENVIRONMENTAL LTD DirDirector 2022-06-10
126 MSS FACILITIES SERVICES LTD DirDirector 2022-06-10
127 MSS GROUP LIMITED (b2005-06-21) DirDirector 2022-06-10
128 MSS WATER LIMITED DirDirector 2022-06-10
129 MWH CONSTRUCTORS LIMITED DirDirector 2021-08-31
130 MWH FARRER LIMITED (b2006-03-02) DirDirector 2021-08-31
131 MWH LIMITED (GBEN) DirDirector 2021-08-31
132 MWH TREATMENT LIMITED DirDirector 2021-08-31
133 MWH UK ACQUISITIONS LIMITED DirDirector 2021-08-31
134 N-ABLE HOLDINGS LTD DirDirector 2025-01-31
135 N-ABLE PROPERTY SERVICES LTD DirDirector 2025-01-31
136 NATURE POSITIVE LIMITED DirDirector 2020-08-05
137 NAVITAS ENGINEERING GROUP LTD. DirDirector 2025-11-24
138 NAVITAS ENGINEERING LTD. DirDirector 2025-11-24
139 NICHOLAS O'DWYER LIMITED DirDirector 2021-03-24
140 NON DESTRUCTIVE TESTING SERVICES LIMITED DirDirector 2018-04-05
141 NON ENTRY SYSTEMS LIMITED DirDirector 2021-12-20
142 NORTHERN ENGINEERING & WELDING CO. LIMITED DirDirector 2025-06-03
143 OCTAVIUS INFRASTRUCTURE LTD. DirDirector 2025-11-24
144 OPTIMUS PLUS (ABERDEEN) LIMITED DirDirector 2023-07-14
145 OPTISOL SERVICES LTD DirDirector 2021-12-16
146 PA GROUP (UK) LIMITED DirDirector 2020-07-06
147 PB DRILLING LIMITED DirDirector 2018-08-23
148 PD & MS (DUNDEE) LIMITED DirDirector 2023-07-14
149 PD & MS ENERGY (ABERDEEN) LIMITED DirDirector 2023-08-30
150 PD&MS HOLDINGS LIMITED DirDirector 2023-07-14
151 PEGASYS LIMITED DirDirector 2025-01-31
152 PELLING LIMITED DirDirector 2018-12-17
153 PENDRAGON HOLDINGS LIMITED DirDirector 2021-03-02 2024-06-04
154 PERMARAIL LIMITED DirDirector 2025-11-24
155 PHAROS FIELD ENGINEERING SERVICES LIMITED DirDirector 2020-12-16
156 PHAROS GENERATOR SERVICES LIMITED DirDirector 2020-12-16
157 PHAROS POWER SUPPORT GROUP LIMITED DirDirector 2020-12-16 2024-06-11
158 PIPESIGHT INTERNATIONAL LIMITED DirDirector 2001-11-08 2016-06-28
159 PROEON HOLDINGS LIMITED DirDirector 2022-07-21 2024-04-24
160 PROEON SYSTEMS LIMITED DirDirector 2022-07-21
161 PROJECT IRES BIDCO LIMITED DirDirector 2023-07-14
162 PROJECT IRES TOPCO LIMITED DirDirector 2023-07-14
163 PROJECT MILNER LIMITED DirDirector 2022-05-27
164 PS RAIL LIMITED DirDirector 2016-04-27 2024-04-16
165 QUANTUM GEOTECHNIC LIMITED DirDirector 2022-08-03
166 R.J.T. EXCAVATIONS LIMITED DirDirector 2023-08-17
167 R.W. MANAGEMENT (HOLDINGS) LTD DirDirector 2003-06-11 2024-02-13
168 REIGATE ASSET LEASING LTD. DirDirector 2025-11-24
169 REMEDX LIMITED DirDirector 2004-02-16
170 RICHARD ALLITT ASSOCIATES LIMITED DirDirector 2022-03-01
171 RICHARD IRVIN FM LIMITED DirDirector 2023-02-17
172 ROC CONSULTING LIMITED DirDirector 2020-07-06
173 RSK (IRELAND) LIMITED DirDirector 2006-06-26
174 RSK ACOUSTICS LIMITED DirDirector 2017-11-27
175 RSK ADAS LIMITED DirDirector 2016-11-18
176 RSK BIOCENSUS LIMITED DirDirector 2019-05-01
177 RSK BUSINESS SOLUTIONS HOLDINGS LIMITED DirDirector 2016-02-29
178 RSK BUSINESS SOLUTIONS LTD DirDirector 2009-06-10
179 RSK BUSINESS SOLUTIONS PROPERTY LIMITED DirDirector 2020-08-20
180 RSK CARBON MANAGEMENT LIMITED DirDirector 2007-05-30 2022-03-22
181 RSK CARTER ECOLOGICAL LTD DirDirector 2007-03-05 2022-07-19
182 RSK CARTERS ECOLOGICAL LTD DirDirector 2007-02-23 2021-06-15
183 RSK DRILLING SERVICES LIMITED DirDirector 2016-03-17 2017-08-29
184 RSK ENVIRONMENT (EASTERN EUROPE) LIMITED DirDirector 2004-02-26 2022-04-26
185 RSK ENVIRONMENT LIMITED DirDirector 1989-03-22
186 RSK GROUP LIMITED DirDirector 1999-04-28
187 RSK GROUP TRUSTEES LIMITED DirDirector 2009-03-31
188 RSK HI-LINE LIMITED DirDirector 2021-11-25
189 RSK INTEGRATED WASTE SOLUTIONS LIMITED DirDirector 2021-05-20
190 RSK INVESTMENTS (NEWCASTLE) LLP PartnerPartner 2023-07-26
191 RSK INVESTMENTS (WIGAN) LLP PartnerPartner 2022-02-02
192 RSK INVESTMENTS LIMITED DirDirector 2002-08-01
193 RSK LAND & DEVELOPMENT ENGINEERING LIMITED DirDirector 2003-04-04
194 RSK MIDDLE EAST LIMITED DirDirector 2010-02-16
195 RSK NATURE REPAIR LIMITED DirDirector 2024-10-02
196 RSK NEWCASTLE PROPERTY LLP PartnerPartner 2023-07-26 2023-07-26
197 RSK ORBITAL LIMITED DirDirector 1998-12-21
198 RSK PROJECT SERVICES LIMITED DirDirector 2003-06-11
199 RSK RADIOLOGICAL LIMITED DirDirector 2007-09-11
200 RSK RAW LIMITED DirDirector 2019-06-26
201 RSK REMEDIATION AND DEVELOPMENT LIMITED DirDirector 2010-02-02
202 RSK REMEDIATION LIMITED DirDirector 2004-11-17 2022-06-28
203 RSK RENEWABLES LIMITED DirDirector 2022-03-11
204 RSK RESOURCING LIMITED DirDirector 2006-11-15 2022-01-11
205 RSK STATS ENVIRONMENT HEALTH AND SAFETY LIMITED DirDirector 2003-01-16
206 RSK STATS GEOCONSULT LIMITED DirDirector 2001-08-13
207 RSK STATS LIMITED DirDirector 2008-01-24 2024-06-04
208 RSK TRAINING LIMITED DirDirector 2010-02-02 2022-03-01
209 RSK TURKEY LIMITED DirDirector 2003-02-13 2021-06-15
210 RSK UTILITY CONSULTING LIMITED DirDirector 2023-03-31
211 RSK WIGAN PROPERTY LLP PartnerPartner 2020-07-02 2023-02-13
212 RSKW LTD DirDirector 2008-03-29
213 SALIX RIVER & WETLAND SERVICES LIMITED DirDirector 2020-02-04
214 SES STRATEGIC LIMITED DirDirector 2023-03-01
215 SILCOCK LEEDHAM CONSULTING ENGINEERS LIMITED DirDirector 2019-11-29
216 SILCOCK LEEDHAM GROUP LTD DirDirector 2019-11-29
217 SINGLETON CLAMP & PARTNERS LIMITED DirDirector 2022-01-18
218 SKYVISION INTERNATIONAL LIMITED DirDirector 1995-10-29
219 SONIC DRILLING & PILING PLANTHIRE LIMITED DirDirector 2021-06-30
220 SPENCER ECA GROUP LIMITED DirDirector 2022-08-03 2024-06-04
221 SPENCER QUANTUM LIMITED DirDirector 2022-08-03
222 STATS GROUP LIMITED DirDirector 2008-05-28 2021-06-15
223 STEPHENSON HALLIDAY LIMITED DirDirector 2021-04-26
224 STREETWISE UK MANAGEMENT LIMITED DirDirector 2021-10-15
225 STRUCTURAL SOILS LIMITED DirDirector 2007-02-28
226 SUPA GOLF EUROPE LIMITED DirDirector 2009-09-24 2011-12-27
227 SUPA GOLF LIMITED DirDirector 2009-09-24 2011-05-17
228 SUSTAINABLE AQUAFARMS LIMITED DirDirector 2023-10-31
229 SUSTAINABLE PIGMENTS LIMITED DirDirector 2020-09-08 2021-10-26
230 SYNERGIE ENVIRON LIMITED DirDirector 2023-07-14
231 TARPAVE LIMITED DirDirector 2023-10-09
232 TBF CONTRACTING LIMITED DirDirector 2018-12-07 2024-06-04
233 TBF SCAFFOLDING LTD DirDirector 2018-12-07
234 TBF TRAFFIC LTD DirDirector 2018-12-07
235 TECHNICAL EDITING SERVICES LIMITED DirDirector 2007-08-02 2022-08-02
236 TECHNIK GROUND SOLUTIONS LIMITED DirDirector 2021-06-30
237 TERRAFFIX SOIL SOLUTIONS LTD DirDirector 2022-09-30
238 THE NATURAL WAY TO GO LTD DirDirector 2008-11-21
239 THE PIPELINE INDUSTRIES GUILD LIMITED DirDirector 1995-05-24 2002-06-12
240 THE SCAN STATION LIMITED DirDirector 2018-01-29
241 THE WOODHOUSE PARTNERSHIP LIMITED DirDirector 2023-06-02
242 THUS CONSULTANTS LTD DirDirector 2022-01-18 2024-06-11
243 TOPHAM BIDCO LIMITED DirDirector 2025-11-24
244 TOPHAM HOLDCO LIMITED DirDirector 2025-11-24
245 TOPHAM INVESTCO LIMITED DirDirector 2025-11-24
246 TOPHAM MIDCO LIMITED DirDirector 2025-11-24
247 TRAVIS BAKER (HOLDINGS) LTD DirDirector 2022-10-06 2024-04-17
248 TRAVIS BAKER EAST MIDLANDS LIMITED DirDirector 2022-10-06 2024-06-11
249 TRAVIS BAKER GEO-ENVIRONMENTAL LIMITED DirDirector 2022-10-06 2024-06-11
250 TRAVIS BAKER LIMITED DirDirector 2022-10-06
251 TREEFELLERS LIMITED DirDirector 2022-12-13
252 TWIG TRADING LIMITED DirDirector 2018-10-26
253 UP AND UNDER (SPECIALIST CONTRACTS) LIMITED DirDirector 2017-12-20
254 UP AND UNDER GROUP LIMITED DirDirector 2017-12-20
255 UP AND UNDER LIMITED DirDirector 2017-12-20
256 VERISYS LIMITED DirDirector 2019-11-29 2022-04-11
257 VIRTUS ENERGY LIMITED DirDirector 2023-09-08
258 W.CROWDER & SONS LIMITED DirDirector 2023-06-09
259 W.G.M (ENGINEERING)LIMITED DirDirector 2022-10-01
260 WALDRAMS LIMITED DirDirector 2021-05-05
261 WATER RESEARCH CENTRE LIMITED (b2018-01-26) DirDirector 2020-08-18
262 WATERTRAIN ACQUISITIONS LIMITED DirDirector 2022-05-04 2024-06-04
263 WATERTRAIN LIMITED DirDirector 2022-05-04
264 WE ARE BRANDNEW LTD DirDirector 2023-06-02 2025-08-29
265 WINDTECHS LTD DirDirector 2022-04-29
266 WYSE GROUP LIMITED DirDirector 2022-11-16
267 WYSEPOWER LIMITED DirDirector 2022-11-16
268 ZERO ENERGY DESIGN LTD DirDirector 2019-11-29

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