| 10:10 | See Profile for 10:10... |
| 23andMe | See Profile for 23andMe... |
| 2 Sisters Food Group | See Profile for 2 Sisters Food Group... |
| 4R Group Ltd | See Profile for 4R Group Ltd... |
| ABB Limited | See Profile for ABB Limited... |
| AbbVie | See Profile for AbbVie... |
| ABHI | See Profile for ABHI... |
| ACCA | See Profile for ACCA... |
| ACM Environmental Plc | See Profile for ACM Environmental Plc... |
| Acorn Care and Education | See Profile for Acorn Care and Education... |
| Action Cerebral Palsy | See Profile for Action Cerebral Palsy... |
| Activision Blizzard | See Profile for Activision Blizzard... |
| Actual Experience | See Profile for Actual Experience... |
| Addison Lee | See Profile for Addison Lee... |
| Adobe Systems | See Profile for Adobe Systems... |
| Advanced Oncotherapy | See Profile for Advanced Oncotherapy... |
| Advertising Association | See Profile for Advertising Association... |
| Aecom | See Profile for Aecom... |
| A Fair Tax on Flying | See Profile for A Fair Tax on Flying... |
| Affinity Flying Training Services | See Profile for Affinity Flying Training Services... |
| AGA Rangemaster | See Profile for AGA Rangemaster... |
| Ainscough Strategic Land | See Profile for Ainscough Strategic Land... |
| Airbnb | See Profile for Airbnb... |
| Airbus | See Profile for Airbus... |
| Airvolution | See Profile for Airvolution... |
| Airwave | See Profile for Airwave... |
| Albion Capital | See Profile for Albion Capital... |
| Albion Water | See Profile for Albion Water... |
| Alcatel-Lucent | See Profile for Alcatel-Lucent... |
| Alderney Renewable Energy | See Profile for Alderney Renewable Energy... |
| Aldersgate Group | See Profile for Aldersgate Group... |
| Aldi | See Profile for Aldi... |
| Alexion | See Profile for Alexion... |
| Allergy UK | See Profile for Allergy UK... |
| Alliance for Beverage Cartons and Environment (ACE UK) | See Profile for Alliance for Beverage Cartons and Environment (ACE UK)... |
| Alliance for Intellectual Property | See Profile for Alliance for Intellectual Property... |
| Alliance Medical | See Profile for Alliance Medical... |
| Alliance Rail Holdings Ltd | See Profile for Alliance Rail Holdings Ltd... |
| Allianz | See Profile for Allianz... |
| All-Party Parliamentary Gardening and Horticulture Group | See Profile for All-Party Parliamentary Gardening and Horticulture Group... |
| All Party Parliamentary Group for Pharmacy | See Profile for All Party Parliamentary Group for Pharmacy... |
All-Party Parliamentary Group on Environmental, Social, and GovernanceAll-Party Parliamentary Group on Environmental, Social, and Governance for the following clients: CBRE Global Investors, EDF Energy, The Gym Limited, KPMG UK, Hatch, Simply Sustainable, Insig AI plc, Severn Trent Water, sponsor the provision of support services for the All-Party Parliamentary Group on Environmental, Social, and Governance
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| All-Party Parliamentary Group on Micromobilit | See Profile for All-Party Parliamentary Group on Micromobilit... |
| All Party Parliamentary Group on Sickle Cell and Thalassaemia | See Profile for All Party Parliamentary Group on Sickle Cell and Thalassaemia... |
| Alpha Hospitals | See Profile for Alpha Hospitals... |
| Alstom | See Profile for Alstom... |
| Alternative Investment Management Association (AIMA) | See Profile for Alternative Investment Management Association (AIMA)... |
| Altro | See Profile for Altro... |
| Amateur Motorcycle Association | See Profile for Amateur Motorcycle Association... |
| @UKPlc | See Profile for @UKPlc... |