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AS

Antac Support Services Limited

Construction work · High Wycombe
Large

Antac Support Services Limited offers a range of support services including building maintenance, mechanical, electrical, HVAC services, commercial cleaning, window cleaning, and rope access services throughout the UK.

antac.co.uk ↗

Summary from the supplier’s website — unverified

Compare peers
Awarded
£9.0m
Live
7
Buyers
10
12m
£1.8m
At a glance
  • Quick answer
Profile
  • Social value
  • ESG & policies
  • Capabilities3
  • Buyer references
  • Accreditations
Track record · verified
  • KPI performance
  • Contracts7 / 18
  • Top buyers10
  • Category mix
  • Geography
  • Peers5
Trust & risk
  • Red flags0
  • Compliance
  • Modifications
  • News
Company
  • Companies House
  • Financial
  • Org tree
Quick answer — Antac Support Services LimitedUpdated 13 Jul 2026

At a glance · for buyers and watchdogs

Antac Support Services Limited has won £9.0m across 10 public-sector buyers, with 7 live contracts. No active Companies House risk flags.

Why: top buyer NEUPC Ltd at 57% · 100% in Construction work · 0 active risk flags · 0 modifications.

Decision signals
0Active red flags
ActiveCompany status
7 of 18Live contracts
57%Top-buyer concentration
100%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.

◐ From website & notices
Sectors served · 1/8
Central government✓
Local government✓
NHS & health✓
Housing✓
Utilities & energy✓
Financial services✓
Education✓
Defence✓
Services · 5
Building MaintenanceSpecialises in commercial planned preventative maintenance providing full mechanical and electrical support. ↗Void HousingProvides repairs and maintenance for Service Family Accommodation in the South West and South East regions. ↗Window CleaningThe UK’s largest independent National Window Cleaning Company with a fleet of over 100 vehicles. ↗Rope AccessSpecialises in rope access techniques for cleaning and maintenance in hard-to-reach areas. ↗Cleaning ServicesOffers commercial office cleaning to ensure a safe and pleasant working environment. ↗
Frameworks & DPS · 3 from notices
  • CONTRACT AWARD NOTICE - FDIS - Catterick External Refurbishment - FY2025/26 - North Region - Northern EnglandAMEY DEFENCE SERVICES LIMITED · £259k
  • HMCTS: Window CleaningENGIE SERVICES LIMITED · £195k
  • Window Cleaning Services - Abseil Method (SY ICS) C231106 - DBTH, SCH, STHSouth Yorkshire Integrated Care System (SY ICS) · £165k

Extracted automatically from antac.co.uk on Jul 2026. Not independently verified — treat as the supplier’s own marketing claims.

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 · 7 live · 11 historic

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

✓ From notices
TitleBuyerCPVAwardedValueTermStatus
CONTRACT AWARD NOTICE - FDIS - St Athan External Refurbishments to 30 properties - FY2025/26 - Amey Central Region - West
AMEY DEFENCE SERVICES LIMITED4526269005 Jan 2026£426k3 moClosed
Contract Award Notice - FDIS - St Athan External Refurbishments to 45 properties - FY2025/26 - Amey Central Region - West
AMEY DEFENCE SERVICES LIMITED4526269005 Jan 2026£683k3 moClosed
CONTRACT AWARD NOTICE - FDIS - Catterick External Refurbishment - FY2025/26 - North Region - Northern England
AMEY DEFENCE SERVICES LIMITED4526269002 Feb 2026£259k1 moClosed
FDIS - Wittering - Boxer Road External Refurbishments to 12 SFA - FY2025/26 - Amey Central Region - East Midlands
AMEY DEFENCE SERVICES LIMITED4526269017 Nov 2025£404k4 moClosed
CA15084 - RFH-5348-18 - Royal Free London NHS Foundation Trust - Provision of Window Cleaning (Internal and External)
Partners Procurement Service9091130007 Jul 2025£258k3 yrsLive
NC760 Window and High Level Cleaning
Leeds Beckett University9091100019 May 2025£300k4 yrsLive
Window Cleaning
UNIVERSITY OF SALFORD(THE)9091100018 Mar 2025£86k3 yrsLive
Window Cleaning Services - Conventional methods - (SY ICS) C231106 - TRFT
South Yorkshire Integrated Care System (SY ICS)9091130027 Feb 2026£81k5 yrsLive
Window Cleaning Services - Abseil Method (SY ICS) C231106 - DBTH, SCH, STH
South Yorkshire Integrated Care System (SY ICS)9091130001 Dec 2024£165k5 yrsLive
Window Cleaning Services - Conventional methods - (SY ICS) C231106 - BHFT, DBTH, SCH, SHSC, STH.
South Yorkshire Integrated Care System (SY ICS)9091130001 Dec 2024£925k5 yrsLive
Total live value £1.8m · mean award £499k1–10 of 18

Top buyers · 10 buyers · top 3 = 90%

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

✓ From notices
1
NEUPC Ltd
3 contracts
57%
since 2019
2
AMEY DEFENCE SERVICES LIMITED
4 contracts
20%
since 2025
3
South Yorkshire Integrated Care System (SY ICS)
3 contracts
13%
since 2024
4
Leeds Beckett University
2 contracts
3%
since 2025
5
Partners Procurement Service
1 contract
3%
since 2025
6
ENGIE SERVICES LIMITED
1 contract
2%
since 2021
7
UNIVERSITY OF SALFORD(THE)
1 contract
1%
since 2025
8
West Suffolk NHS Foundation Trust
1 contract
1%
since 2021
9
Met Office
1 contract
0%
since 2018
10
NOE CPC
1 contract
0%
since 2019

Category mix

CPV-division share of last-12m awarded value. Single-category exposure: 100%.

✓ From notices
Construction work45
100%
⚠ Concentration: 100% 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
Yorkshire5 contracts
97%
North West1 contract
2%
Eastern1 contract
1%
South West1 contract
0%
Region resolved for 62% of awarded value (by buyer postcode); the remainder lacks a usable address.

Peers

Suppliers with overlapping CPVs & buyers (last 24m). Antac Support Services Limited highlighted.

✓ From notices
SupplierSME?Awarded · 24mContracts
RI
Ringway Infrastructure Services Limited
No£350.0m2
MH
Marlborough Highways Limited
Yes£170.0m2
MG
M GROUP HIGHWAYS LIMITED
No£117.8m1
CC
CONNOR CONSTRUCTION (SOUTH WEST) LIMITED
Yes£28.0m2
GC
Glendale Countryside Ltd
No£17.2m2
AS
Antac Support Services Limited
No£1.8m—
Compare peers →

Red flags · 0 active

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

✓ Verified
✓ Clean. No active risk signals from Companies House status, charges or insolvency records.

Compliance scorecard

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

↔ Cross-checked
Trading status
Active
Live at Companies House
Annual accounts
Up to date
Last made up to 30 Jun 2025
Confirmation statement
Up to date
Next due 25 Oct 2026
Outstanding charges
0
No charges registered
Insolvency history
None
No insolvency cases registered
Certifications (ISO, Cyber Essentials, Living Wage, B-Corp, modern-slavery) are supplier self-reported and appear once a claimed profile adds them.

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

Live sync — registered details, directors, PSC and SIC codes.

✓ Live sync

Registered details

Company no.
04202350
Status
Active
Type
Private limited
Incorporated
20 Apr 2001
Reg. office
Unit 1 Lisle Road, Hughenden Avenue, High Wycombe, Buckinghamshire, HP13 5SQ
SIC codes
81100 · 81210
Last accounts
30 Jun 2025
Next accounts due
31 Mar 2027

Directors & PSC

  • BURTON, Louise — secretary
    Appointed 25 Aug 2024
  • BURTON, Louise — director
    Appointed 24 Jan 2013
  • BURTON, Stephen Gerard — director
    Appointed 20 Apr 2001
  • Mr Stephen Gerard Burton — person with significant control
    ownership of shares 25 to 50 percent
  • Mrs Louise Burton — person with significant control
    ownership of shares 25 to 50 percent

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
ANTAC SUPPORT SERVICES LTD
04202350 · this company

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