---
name: "Siltbuster Limited"
supplier_id: "GB-COH:04737424"
organisation_scale: "large"
total_awards: 4
total_spend_gbp: 2285000
median_contract_gbp: 1142500
lots_bid: null
lots_won: null
win_rate_pct: null
median_discount_pct: -39
url: "https://tenderline.uk/suppliers/siltbuster-limited-coh-04737424"
generated: "2026-10-08T04:31:04.159Z"
machine_api: "https://tenderline.uk/api/public/suppliers/GB-COH%3A04737424/markdown"
---

# Siltbuster Limited · UK Public Sector Contract Record

Source: [Tenderline](https://tenderline.uk/suppliers/siltbuster-limited-coh-04737424) — Official UK public procurement supplier dossier compiled from Find a Tender notices.

> **Tenderline Supplier Summary:** Siltbuster Limited is a Large organisation public sector supplier in the UK. Tracked in Tenderline with 4 published contract awards across official contracting authorities.

## Key Information
- **Supplier Name:** Siltbuster Limited
- **Organisation Scale:** Large organisation
- **Company Registration (CRN):** `GB-COH:04737424` (Companies House)
- **Total Published Awards:** 4
- **Primary Sector:** [Miscellaneous special-purpose machinery](https://tenderline.uk/sectors/miscellaneous-special-purpose-machinery-42990000)
- **Company Status:** Active

- **Tenderline Record:** https://tenderline.uk/suppliers/siltbuster-limited-coh-04737424

## Winning Pricing & Discount Benchmarks
- **Median Award Pricing:** 39% above published budget estimate (median of 1 comparable winning awards)

## Market Volume & Benchmarks
- **Total Published Contract Spend:** £2.3m
- **Median Contract Value:** £1.1m

## Delivery Geography
- **Active Delivery Regions:** Nationwide (UK), [North West England](https://tenderline.uk/regions/north-west), [North East England](https://tenderline.uk/regions/north-east), [Yorkshire and the Humber](https://tenderline.uk/regions/yorkshire-and-the-humber)

## Top Public Sector Clients
1. **[United Utilities Water Limited](https://tenderline.uk/buyers/united-utilities-water-limited-GB-PPON-PVVB-5589-BWHX):** 2 procedures
2. **[Southern Water Services Limited](https://tenderline.uk/buyers/southern-water-services-limited-GB-PPON-PBJQ-2231-ZRPG):** 1 procedures
3. **[The Coal Authority](https://tenderline.uk/buyers/the-coal-authority-GB-FTS-3825):** 1 procedures

## Largest Contract Awards Won
Top public sector contracts awarded to this supplier:
1. **[United Utilities Water Limited](https://tenderline.uk/buyers/united-utilities-water-limited-GB-PPON-PVVB-5589-BWHX):** £1.8m · [PRO004930-Goods-Contract-MBBR 65 Units (Addendum)](https://tenderline.uk/tenders/pro004930-goods-contract-mbbr-65-units-addendum-ocds-h6vhtk-05a420) · Awarded: 28 Sept 2025
2. **[United Utilities Water Limited](https://tenderline.uk/buyers/united-utilities-water-limited-GB-PPON-PVVB-5589-BWHX):** £485k · [RFP0001-Goods-Contract-Supply, Delivery & Installation of Biological Treatment Equipment](https://tenderline.uk/tenders/rfp0001-goods-contract-supply-delivery-installation-of-biological-treatment-equipment-ocds-h6vhtk-05a796) · Awarded: 15 Jan 2026

## Contract Expiries & Upcoming Recompetes
- **Active Contracts Ending in 18 Months:** 0

## Competitive Supplier Intelligence
> **Full Win-Loss & Award Analysis:** Complete historical contract timelines, pricing movement benchmarks, buyer relationship networks, and competitor analysis are available on Tenderline:
> [View complete Siltbuster Limited public contract history on Tenderline](https://tenderline.uk/suppliers/siltbuster-limited-coh-04737424#contract-history)

## Provenance and Open Data
- **Data Source:** Official award notices published under the Open Government Licence v3.0 on Find a Tender Service.
- **Canonical Profile:** https://tenderline.uk/suppliers/siltbuster-limited-coh-04737424
- **Full Catalogue Machine Access:** https://tenderline.uk/llms.txt