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Their own payment-practices filing · gov.uk

Tetra Tech Limited pays suppliers in 19 days on average — within its stated 7–45 day terms

CRN 01959704 · Professional & technical services · 3 statutory reports on record · period to 31 Mar 2026

19daysavg time to pay · H1 2026

Their H1 2026 filing puts the average 12 days past the shortest term they state (7 days), still within their 45-day upper term.

Faster than mostvs a 31-day median across 6,104 recent filers
Their stated terms
7–45 days
Paid outside agreed terms
10% of invoices
Paid after 61+ days
3%
Reporting period
1 Oct 2025 – 31 Mar 2026
Source
their gov.uk filing, filed 1 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 7–45 days

The pattern · last 3 of 3 reports

29 → 19 days — getting faster

The read · computed from their figures

Tetra Tech Limited's H1 2026 filing puts their average at 19 days against stated terms of 7–45 days; 10% of invoices were paid outside agreed terms and 3% took 61 days or longer. Filed 1 May 2026.

The direction is faster: from 29 days in H1 2025 to 19 now — 10 days faster across their last 3 reports.

On the latest reported averages: Faster than 83% of the 510 large companies reporting in professional & technical services.

That is 3 statutory periods on record (earliest H1 2025) — a historical record, not a promise for a new invoice.

What they tell their suppliers

1% of invoices in dispute

In their own words · from the filing

Standard payment terms

30 Days

Dispute resolution

In accordance with good practice, we aim to validate all invoices in a timely manner with any discrepancies or queries being referred to the supplier or subcontractor for resolution or invoice correction.

Every statutory report on record

Most recent first.

PeriodAvg daysOutside terms61+ daysFiled
H1 20261910%3%1 May 2026
H2 20252010%3%13 Nov 2025
H1 20252913%4%2 Oct 2025

On the public register · Companies House

Company record

Status
Active
Type
Private Limited Company
Incorporated
15 Nov 1985
Registered office
3 SOVEREIGN SQUARE, LEEDS, LS1 4ER
0 outstanding charges on the register Accounts due 30 Jun 2027

Open the full record at Companies House.

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.

≈ £7,500
of invoicing outstanding at any one time on a 19-day cycle — about £4,700 more than the same account would carry at 7-day terms.

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 · Tetra Tech Limited

Are they getting slower or faster?
Their reported average has moved about 10 days faster over the window (29 → 19 days).
What's their typical pay point?
Their latest filed report puts the average at day 19; across their last 3 reports it ranged 19–29 days. Treat that as a historical reference point, not a promise for a new invoice.
Can I see what this means for my invoices?
Run the live check — it re-reads their record and their live Companies House file, on the amount you invoice.
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How UK payment reporting works

What is a Payment Practices Report?
UK companies and LLPs above a size threshold — broadly, two of: turnover over £54m, balance sheet over £27m, or more than 250 employees — must report twice a year, under the Reporting on Payment Practices and Performance Regulations 2017, how quickly they actually pay suppliers: the average time to pay, the share of invoices paid in 30 days or fewer, 31 to 60 days and 61 days or longer, and their standard payment terms. Those thresholds apply to financial years beginning on or after 6 April 2025; for earlier financial years they were £36m and £18m, with the same 250-employee test.
What does "paid outside agreed terms" mean?
The share of invoices paid later than the terms in the supplier contract. If terms are 30 days and an invoice is paid on day 45, it counts as paid outside terms, regardless of the headline average.
How often is this data updated?
Each report covers a six-month period and must be filed within 30 days of that period ending, so a company's record refreshes roughly twice a year. PaidLate re-reads the register as new reports are filed.
Is this official government data?
The underlying payment figures come from the company's own statutory filings on the gov.uk payment-practices service; company-status data comes from Companies House. PaidLate calculates trends, comparisons and summaries from those records. It does not use surveys or credit-agency scores.

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-01959704 · latest period to 31 Mar 2026

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