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IS

Interlocks Surveys

Architecture & engineering
Large
Not Provided ↗
Compare peers
Awarded
£1.1m
Live
6
Buyers
10
12m
£6k
At a glance
  • Quick answer
Profile
  • Social value
  • ESG & policies
  • Capabilities3
  • Buyer references
  • Accreditations
Track record · verified
  • KPI performance
  • Contracts6 / 15
  • Top buyers10
  • Category mix
  • Geography
  • Peers5
Trust & risk
  • Red flags0
  • Compliance
  • Modifications
  • News
Company
  • Companies House
  • Financial
  • Org tree
Quick answer — Interlocks SurveysUpdated 20 Jul 2026

At a glance · for buyers and watchdogs

Interlocks Surveys has won £1.1m across 10 public-sector buyers, with 6 live contracts.

Why: top buyer The Coal Authority at 59% · 69% in Architecture & engineering · 0 active risk flags · 0 modifications.

Decision signals
0Active red flags
No CH recordCompany status
6 of 15Live contracts
59%Top-buyer concentration
69%Category exposure
0Contract modifications
If you're a buyer:CapabilitiesReferencesKPIComplianceWatchdog?FlagsModificationsConcentrationNews

Social value

Commitments mapped to the Government Social Value Model themes.

⚑ Self-reported
—

No social-value commitments yet

Jobs, skills, environmental, inequality and community commitments appear here once a claimed supplier attributes them to awarded contracts, or once we detect them on the supplier’s website.

ESG & policies vault · 0/5

Key governance & sustainability policies. Published documents link out; missing ones are greyed.

↔ Cross-checked
Net-zero planNot provided✓
Modern slavery statementNot provided✓
EDI policyNot provided✓
Anti-briberyNot provided✓
Data protectionNot provided✓

Capabilities

What this supplier does, where they sit, who they sell to.

⚑ Self-reported & from notices

Service tags, sectors served and target geographies appear here once a supplier verifies ownership of this profile.

Frameworks & DPS · 3 from notices
  • Expression of Interest for the Non-Exclusive Framework Contract for the Provision of Engineering Services CA18/2524The Coal Authority · £273k
  • KMCPRP-139 Framework for the Provision of Construction Related Consultancy ServicesKirklees Council · £55k
  • Provision of pre site investigation reports and surveysHarrogate Borough Council · —

Case studies

Delivery stories the supplier has published, with sector and outcome.

⚑ Self-reported
—

No case studies yet

Once a claimed supplier publishes delivery stories — the buyer, the sector, what was delivered and the outcome — they appear here.

Buyer references

Named public-sector contacts who have agreed to act as a reference.

✓ Confirmed by buyer
—

No buyer references yet

Public-sector buyers can confirm they'll act as a reference for this supplier. Confirmed references — with the contract they relate to — show here.

Accreditations & memberships

Independently issued. Verification dates cross-checked against issuer registers.

↔ Cross-checked
—

No accreditations recorded

B-Corp, ISO, Cyber Essentials, Living Wage and similar credentials appear here once added by a claimed supplier and cross-checked against the issuing register.

KPI performance

Delivery, budget and satisfaction scores reported quarterly by buyers.

✓ Verified
84

No verified KPI scores yet

Once buyers report contract KPIs — delivery on time, on budget, satisfaction, adoption and accessibility — a weighted grade and breakdown appear here.

Contracts · 6 live · 9 historic

Pulled from Contracts Finder & Find a Tender. Most recent first.

✓ From notices
TitleBuyerCPVAwardedValueTermStatus
IT2010 Topo & UUD Ravensden - AWARD
Bedford Borough Council7125000003 Mar 2026£4k12 moLive
IT2002 High St Great Barford Topo & UUD Surveys - AWARD
Bedford Borough Council7125000014 Nov 2025£2k12 moLive
Undertaking of topographic surveys in North Somerset
North Somerset Council7100000020 Feb 2024£27k3 moClosed
Topographical, Existing Building, Utilities and Drainage Surveys at Haden Hill Leisure Centre - AWARD
Sandwell Metropolitan Borough Council7131520019 Jun 2023£14k1 moClosed
KMCPRP-139 Framework for the Provision of Construction Related Consultancy Services
Kirklees Council7030000001 Sept 2020£55k4 yrsClosed
Development Surveys
DERBY HOMES LIMITED7135500022 Jan 2019£200k3.4 yrsClosed
Provision of pre site investigation reports and surveys
Harrogate Borough Council7100000002 May 2018—12 moClosed
Underground Utility, Verification and Location- Halifax Town Centre
Borough Council of Calderdale7100000029 Jun 2018£156k3 moClosed
Measured Surveys and AutoCAD Drafting Services
Oxford City Council7131530002 Jul 2018£10k4 yrsClosed
Expression of Interest for the Non-Exclusive Framework Contract for the Provision of Engineering Services CA18/2524
The Coal Authority7120000004 Jan 2018£273k4 yrsClosed
Total live value £6k · mean award £76k1–10 of 15

Top buyers · 10 buyers · top 3 = 90%

Share of awarded value. Concentration fires above 40% for any single buyer.

✓ From notices
1
The Coal Authority
5 contracts
59%
since 2017
2
DERBY HOMES LIMITED
1 contract
18%
since 2019
3
Borough Council of Calderdale
1 contract
14%
since 2018
4
Kirklees Council
1 contract
5%
since 2020
5
North Somerset Council
1 contract
2%
since 2024
6
Sandwell Metropolitan Borough Council
1 contract
1%
since 2023
7
Oxford City Council
1 contract
1%
since 2018
8
Bedford Borough Council
2 contracts
1%
since 2025
9
Harrogate Borough Council
1 contract
0%
since 2018
10
The Council of the Borough of Kirklees
1 contract
0%

Category mix

CPV-division share of last-12m awarded value. Single-category exposure: 69%.

✓ From notices
Architecture & engineering71
69%
Business services79
31%
⚠ Concentration: 69% of recent awarded value sits in a single CPV division. A category-specific downturn would materially affect revenue.

Geography

Distribution of awarded value by buyer region.

✓ From notices
UK · schematic only
East Midlands6 contracts
77%
Yorkshire3 contracts
18%
South West1 contract
2%
South East3 contracts
1%
West Midlands1 contract
1%

Peers

Suppliers with overlapping CPVs & buyers (last 24m). Interlocks Surveys highlighted.

✓ From notices
SupplierSME?Awarded · 24mContracts
JS
John Sisk and Son Ltd
No£67.8m1
AE
AECOM LIMITED
No£15.7m5
T&
Turner & Townsend Project Management Ltd
No£1.7m4
LS
LAMBERT SMITH HAMPTON GROUP LIMITED (T/A IKON CONSULTANCY)
No£1.3m1
IS
Insight Surveyors Limited
Yes£1.1m2
IS
Interlocks Surveys
No£6k—
Compare peers →

Red flags · 0 active

Automated scan of Companies House status, charges and insolvency records.

✓ Verified
No Companies House record linked — automated risk checks unavailable.

Compliance scorecard

Derived from Companies House filings — not a full supplier-assurance check.

↔ Cross-checked
No Companies House record linked — statutory compliance checks unavailable.

Modifications

Variations to awarded contracts logged under Procurement Act 2023 s.74.

✓ From notices
±

No modifications recorded

No published contract variations for this supplier. Modification notices appear here as they are issued under the Procurement Act 2023.

News mentions

UK trade press & nationals, matched to this supplier.

◰

No news mentions found

We haven't matched any recent UK press coverage to this supplier. Mentions appear here automatically as they're published.

Companies House

Registered details, directors and PSC.

✓ Live sync
🏛

No Companies House record linked

A Companies House number is on file but the record has not been synced yet.

Financial

Filed accounts from Companies House.

↔ From Cos House
£

No financial filings on record

Turnover, profit and headcount appear here once audited or micro-entity accounts are filed at Companies House.

Org tree

Group structure and ownership.

↔ From Cos House
—
10266953 · this company

Independent. No parent company or subsidiaries recorded at Companies House for this entity.