| The Organic Plantmilk Company Ltd |
| The Palestine Exploration Fund |
| The Paper Birds Theatre Company |
| The Peepul Press |
| The Performing Rights Foundation (PRS Foundation) |
| The Poetry Society |
| The Population Council, Inc |
| The Prince of Wales Charitable Foundation {OLD?: The Prince's Charities Foundation] |
| The Prince's Trust |
| The Prince's Trust Group |
| The Prince's Trust Group Company |
| The Prince's Trust International |
| The Quality Assurance Agency for Higher Education |
| The Quarto Group Inc |
| The Rangoonwala Foundation |
| The Royal Academy of Engineering |
| The Royal Botanic Garden Edinburgh |
| The Salvation Army International Trustee Company Ltd |
| The Scott Trust Limited |
| The Social Change Nest CIC |
| The Social Investment Consultancy Ltd |
| The SOL Foundation |
| The Spelt Company Somerset Limited |
| The Spiral Partnership Limited |
| The Station Foundation for Entrepreneurship |