Their own payment-practices filing · gov.uk
Ian Williams Limited pays suppliers in 19 days on average — within its stated 7–40 day terms
Their H1 2026 filing puts the average 12 days past the shortest term they state (7 days), still within their 40-day upper term.
- Their stated terms
- 7–40 days
- Paid outside agreed terms
- 2% of invoices
- Paid after 61+ days
- 2%
- Reporting period
- 30 Sept 2025 – 5 Apr 2026
- Source
- their gov.uk filing, filed 5 May 2026
Self-reported figures from their statutory filing. How this is compiled.
Terms vs reality · their H1 2026 filing
Paid within their stated range — 19 against 7–40 days
Where their invoices landed · share of all invoices
The pattern · last 6 of 13 reports
22 → 19 days — getting faster
The read · computed from their figures
Ian Williams Limited's H1 2026 filing puts their average at 19 days against stated terms of 7–40 days; 2% of invoices were paid outside agreed terms and 2% took 61 days or longer. Filed 5 May 2026.
The direction is faster: from 22 days in H2 2023 to 19 now — 3 days faster across their last 6 reports.
On the latest reported averages: Faster than 93% of the 394 large companies reporting in construction.
That is 13 statutory periods on record (earliest H2 2019) — a historical record, not a promise for a new invoice.
What they tell their suppliers
In their own words · from the filing
Standard payment terms
Purchase ledger: 40 days end of month Subcontractor ledger: 14 to 30 days
Dispute resolution
Ian Williams actively seeks to resolve disputes by discussing any invoice queries directly with the supplier. A formal request for a credit note is issued if this is required. Our procurement team hold regular meetings with our suppliers to prevent any invoice/price discrepancies. All the prices are agreed and fixed in advance with the supplier and uploaded to our systems. The business also operates a no purchase order, no pay policy. Invoices received which do not quote a valid purchase order number are rejected and returned to the supplier.
Every statutory report on record
Most recent first.
| Period | Avg days | Outside terms | 61+ days | Filed |
|---|---|---|---|---|
| H1 2026 | 19 | 2% | 2% | 5 May 2026 |
| H2 2025 | 20 | 3% | 2% | 29 Oct 2025 |
| H1 2025 | 20 | 10% | 2% | 25 Apr 2025 |
| H2 2024 | 21 | 12% | 3% | 28 Oct 2024 |
| H1 2024 | 22 | 11% | 3% | 16 Apr 2024 |
| H2 2023 | 22 | 11% | 3% | 6 Nov 2023 |
| H1 2023 | 25 | 17% | 4% | 6 Jun 2023 |
| H2 2022 | 24 | 16% | 4% | 14 Nov 2022 |
| H1 2022 | 24 | 15% | 3% | 26 May 2022 |
| H1 2021 | 20 | 16% | 4% | 15 Jun 2021 |
| H2 2020 | 26 | 19% | 5% | 11 Dec 2020 |
| H1 2020 | 25 | 25% | 4% | 30 Jul 2020 |
| H2 2019 | 28 | 33% | 6% | 27 Jan 2020 |
On the public register · Companies House
Company record
- Status
- Active
- Type
- Private Limited Company
- Incorporated
- 17 May 1966
- Registered office
- QUARRY ROAD, BRISTOL, BS37 6JL
Illustrative · working-capital arithmetic
What a 19-day cycle ties up
A worked example, not a finding. On a hypothetical £12k/month account, at a 19-day vs a 7-day payment cycle.
Late Payment Act. The Late Payment of Commercial Debts (Interest) Act 1998 lets a supplier charge statutory interest and fixed compensation on invoices paid past agreed terms. Work out what a late invoice is worth → Whether it applies depends on your contract — check with an adviser.
Quick answers · Ian Williams Limited
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More large companies in construction
I.M. Properties Development Limited · Imtech Engineering Services Central Ltd · I. & H. Brown Limited · Imtech Engineering Services London and South Ltd · HTC Wolffkran Limited · Inland Homes PLC
How UK payment reporting works
What is a Payment Practices Report?
What does "paid outside agreed terms" mean?
How often is this data updated?
Is this official government data?
How this is compiled. Built from official records only: Companies House and the gov.uk payment-practices service. The payment figures are self-reported — companies over the size threshold must file them by law and the board signs them off. No credit-agency data. The numbers are theirs; the plain-English read is ours. This is information compiled from public records under the Open Government Licence v3.0 — not a credit rating and not advice.
The 31-day comparison figure is the median across 6,104 companies with a current statutory report — every sector pooled, not an average of sector medians (how the figure is built).
Report PL-00879464 · latest period to 5 Apr 2026
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