---
name: "Interlock Surveys Ltd"
supplier_id: "GB-FTS-65096"
organisation_scale: "sme"
total_awards: 11
total_spend_gbp: 6400000
median_contract_gbp: 800000
lots_bid: null
lots_won: null
win_rate_pct: null
median_discount_pct: null
url: "https://tenderline.uk/suppliers/interlock-surveys-ltd-coh-03917338"
generated: "2026-10-08T03:16:45.575Z"
machine_api: "https://tenderline.uk/api/public/suppliers/GB-FTS-65096/markdown"
---

# Interlock Surveys Ltd · UK Public Sector Contract Record

Source: [Tenderline](https://tenderline.uk/suppliers/interlock-surveys-ltd-coh-03917338) — Official UK public procurement supplier dossier compiled from Find a Tender notices.

> **Tenderline Supplier Summary:** Interlock Surveys Ltd is a SME public sector supplier in the UK. Tracked in Tenderline with 11 published contract awards across official contracting authorities.

## Key Information
- **Supplier Name:** Interlock Surveys Ltd
- **Organisation Scale:** SME
- **Company Registration (CRN):** `GB-FTS-65096` (Find a Tender organisation id)
- **Total Published Awards:** 11
- **Primary Sector:** [Technical inspection and testing services](https://tenderline.uk/sectors/technical-inspection-and-testing-services-71630000)
- **Company Status:** Liquidation

- **Tenderline Record:** https://tenderline.uk/suppliers/interlock-surveys-ltd-coh-03917338

## Market Volume & Benchmarks
- **Total Published Contract Spend:** £6.4m
- **Median Contract Value:** £800k

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

## Top Public Sector Clients
1. **[The Coal Authority](https://tenderline.uk/buyers/the-coal-authority-GB-FTS-3825):** 1 procedures (11 awards)

## Largest Contract Awards Won
Top public sector contracts awarded to this supplier:
1. **[The Coal Authority](https://tenderline.uk/buyers/the-coal-authority-GB-FTS-3825):** £800k · [Region 1 - Scotland](https://tenderline.uk/tenders/mine-entry-inspection-ocds-h6vhtk-028eee)
2. **[The Coal Authority](https://tenderline.uk/buyers/the-coal-authority-GB-FTS-3825):** £800k · [Region 5 - South Wales & South  West](https://tenderline.uk/tenders/mine-entry-inspection-ocds-h6vhtk-028eee)
3. **[The Coal Authority](https://tenderline.uk/buyers/the-coal-authority-GB-FTS-3825):** £800k · [Region 2 - North East & Cumbria](https://tenderline.uk/tenders/mine-entry-inspection-ocds-h6vhtk-028eee)
4. **[The Coal Authority](https://tenderline.uk/buyers/the-coal-authority-GB-FTS-3825):** £800k · [Region 6 - Campbeltown (Mull of  Kintyre)](https://tenderline.uk/tenders/mine-entry-inspection-ocds-h6vhtk-028eee)
5. **[The Coal Authority](https://tenderline.uk/buyers/the-coal-authority-GB-FTS-3825):** £800k · [Region 7 - Brora (Sutherland)](https://tenderline.uk/tenders/mine-entry-inspection-ocds-h6vhtk-028eee)

## 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 Interlock Surveys Ltd public contract history on Tenderline](https://tenderline.uk/suppliers/interlock-surveys-ltd-coh-03917338#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/interlock-surveys-ltd-coh-03917338
- **Full Catalogue Machine Access:** https://tenderline.uk/llms.txt