---
name: "The Castle Building Services Organisation Limited"
supplier_id: "GB-FTS-84349"
organisation_scale: "sme"
total_awards: 8
total_spend_gbp: 0
median_contract_gbp: null
lots_bid: 1
lots_won: 0
win_rate_pct: null
median_discount_pct: null
url: "https://tenderline.uk/suppliers/the-castle-building-services-organisation-limited-coh-08331581"
generated: "2026-10-08T15:57:53.164Z"
machine_api: "https://tenderline.uk/api/public/suppliers/GB-FTS-84349/markdown"
---

# The Castle Building Services Organisation Limited · UK Public Sector Contract Record

Source: [Tenderline](https://tenderline.uk/suppliers/the-castle-building-services-organisation-limited-coh-08331581) — Official UK public procurement supplier dossier compiled from Find a Tender notices.

> **Tenderline Supplier Summary:** The Castle Building Services Organisation Limited is a SME public sector supplier in the UK. Tracked in Tenderline with 8 published contract awards across official contracting authorities.

## Key Information
- **Supplier Name:** The Castle Building Services Organisation Limited
- **Organisation Scale:** SME
- **Company Registration (CRN):** `GB-FTS-84349` (Find a Tender organisation id)
- **Total Published Awards:** 8
- **Primary Sector:** [Central-heating radiators and boilers and parts](https://tenderline.uk/sectors/central-heating-radiators-and-boilers-and-parts-44620000)
- **Company Status:** Active

- **Tenderline Record:** https://tenderline.uk/suppliers/the-castle-building-services-organisation-limited-coh-08331581

## Bidding & Win Rate Record
- **Lots Won:** 0 won, 0 lost, 1 pending
- **Total Bid Activity:** 1 lots bid across 1 procurement procedures

- **Buyer Relationships:** Bid with 1 distinct contracting authorities

## Delivery Geography
- **Active Delivery Regions:** [East Midlands](https://tenderline.uk/regions/east-midlands), [Northern Ireland](https://tenderline.uk/regions/northern-ireland), Nationwide (UK), [North East England](https://tenderline.uk/regions/north-east)

## Top Public Sector Clients
1. **[East Midlands Ambulance Service NHS Trust](https://tenderline.uk/buyers/east-midlands-ambulance-service-nhs-trust-nhs-rx9):** 1 procedures (4 awards)
2. **[Hull City Council](https://tenderline.uk/buyers/hull-city-council-nhs-215):** 1 procedures (3 awards)
3. **[Bristol City Council](https://tenderline.uk/buyers/bristol-city-council-nhs-909):** 1 procedures

## 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 The Castle Building Services Organisation Limited public contract history on Tenderline](https://tenderline.uk/suppliers/the-castle-building-services-organisation-limited-coh-08331581#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/the-castle-building-services-organisation-limited-coh-08331581
- **Full Catalogue Machine Access:** https://tenderline.uk/llms.txt