| 10 Mar 2026 | £6,145.70 | Welwyn Hatfield Borough Council | STM Group (UK) Ltd | Estates Management |
| 10 Mar 2026 | £2,930.40 | Welwyn Hatfield Borough Council | STM Group (UK) Ltd | Estates Management |
| 10 Mar 2026 | £1,460.80 | Welwyn Hatfield Borough Council | STM Group (UK) Ltd | Estates Management |
| 31 Jan 2026 | £2,560.00 | Welwyn Hatfield Borough Council | STM Group (UK) Ltd | Independent Living |
| 31 Jan 2026 | £6,145.70 | Welwyn Hatfield Borough Council | STM Group (UK) Ltd | Estates Management |
| 8 Jan 2026 | £6,145.70 | Welwyn Hatfield Borough Council | STM Group (UK) Ltd | Estates Management |
| 5 Dec 2025 | £6,145.70 | Welwyn Hatfield Borough Council | STM Group (UK) Ltd | Estates Management |
| 31 Oct 2025 | £6,145.70 | Welwyn Hatfield Borough Council | STM Group (UK) Ltd | Estates Management |
| 30 Sep 2025 | £6,145.70 | Welwyn Hatfield Borough Council | STM Group (UK) Ltd | Estates Management |
| 30 Sep 2025 | £1,628.00 | Welwyn Hatfield Borough Council | STM Group (UK) Ltd | Estates Management |
| 9 Sep 2025 | £6,145.70 | Welwyn Hatfield Borough Council | STM Group (UK) Ltd | Estates Management |
| 19 Aug 2025 | £6,145.70 | Welwyn Hatfield Borough Council | STM Group (UK) Ltd | Estates Management |
| 19 Aug 2025 | £814.00 | Welwyn Hatfield Borough Council | STM Group (UK) Ltd | Estates Management |
| 10 Jul 2025 | £2,046.00 | Welwyn Hatfield Borough Council | STM Group (UK) Ltd | Estates Management |
| 10 Jul 2025 | £3,891.86 | Welwyn Hatfield Borough Council | STM Group (UK) Ltd | Estates Management |
| 13 Jun 2025 | £3,891.96 | Welwyn Hatfield Borough Council | STM Group (UK) Ltd | Estates Management |
| 13 Jun 2025 | £2,046.00 | Welwyn Hatfield Borough Council | STM Group (UK) Ltd | Estates Management |
| 8 May 2025 | £2,046.00 | Welwyn Hatfield Borough Council | STM Group (UK) Ltd | Estates Management |
| 8 May 2025 | £3,891.86 | Welwyn Hatfield Borough Council | STM Group (UK) Ltd | Estates Management |
| 24 Mar 2025 | £2,046.00 | Welwyn Hatfield Borough Council | STM Group (UK) Ltd | Estates Management |
| 9 Nov 2023 | £6,314.88 | Newcastle upon Tyne City Council | STM GROUP UK LTD | Operations & Reg Services • Operations • Revenue Expenditure • Better Lives Project |