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CT

CHEMICAL TREATMENT SERVICES IRELAND LTD

Belfast
SME

Chemical Treatment Services Ireland Ltd specializes in water treatment services, including legionella control, reverse osmosis, pool maintenance, and chemical supply. They serve various sectors such as hospitality, pharmaceuticals, and healthcare.

ctsltd.com ↗

Summary from the supplier’s website — unverified

Compare peers
Awarded
£2.7m
Live
3
Buyers
3
12m
£2.7m
At a glance
  • Quick answer
Profile
  • Social value
  • ESG & policies
  • Capabilities
  • Buyer references
  • Accreditations
Track record · verified
  • KPI performance
  • Contracts3 / 4
  • Top buyers3
  • Category mix
  • Geography
  • Peers5
Trust & risk
  • Red flags0
  • Compliance
  • Modifications
  • News
Company
  • Companies House
  • Financial
  • Org tree
Quick answer — CHEMICAL TREATMENT SERVICES IRELAND LTDUpdated 13 Jul 2026

At a glance · for buyers and watchdogs

CHEMICAL TREATMENT SERVICES IRELAND LTD has won £2.7m across 3 public-sector buyers, with 3 live contracts. No active Companies House risk flags.

Why: top buyer RADIUS HOUSING ASSOCIATION LIMITED at 100% · 0 active risk flags · 0 modifications.

Decision signals
0Active red flags
ActiveCompany status
3 of 4Live contracts
100%Top-buyer concentration
—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 · 2/8
Central government✓
Local government✓
NHS & health✓
Housing✓
Utilities & energy✓
Financial services✓
Education✓
Defence✓
Services · 5
Legionella & Pseudomonas ControlRisk assessment of building water services for legionella control. ↗Reverse OsmosisDesign, supply, installation, and servicing of reverse osmosis plants. ↗Pool MaintenanceComplete maintenance and service packages for pools and spas. ↗Plant Service & MaintenanceService and maintenance for water treatment plants. ↗ChemicalsSupply of chemicals for water treatment and cleaning. ↗

Extracted automatically from ctsltd.com 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 · 3 live · 1 historic

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

✓ From notices
TitleBuyerCPVAwardedValueTermStatus
WATER HYGIENE SERVICES & REMEDIAL WORKS
RADIUS HOUSING ASSOCIATION LIMITED—03 Aug 2026£2.7m2 yrspending
Bagged Salt Briquettes for Water Softening (4559158)
Southern Health and Social Care Trust14430000———Live
Risk Assessments, Maintenance and Testing of Water Systems
Southern Health and Social Care Trust24962000———Live
MC066 Water Quality Monitoring (Legionella)
Translink51000000———Live
Total live value — · mean award £675k

Top buyers · 3 buyers · top 3 = 100%

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

✓ From notices
1
RADIUS HOUSING ASSOCIATION LIMITED
1 contract
100%
since 2026
2
Southern Health and Social Care Trust
2 contracts
0%
3
Translink
1 contract
0%

Geography

Distribution of awarded value by buyer region.

✓ From notices
UK · schematic only
Northern Ireland4 contracts
100%

Peers

Suppliers with overlapping CPVs & buyers (last 24m). CHEMICAL TREATMENT SERVICES IRELAND LTD highlighted.

✓ From notices
SupplierSME?Awarded · 24mContracts
CT
CHEMICAL TREATMENT SERVICES IRELAND LTD
Yes£2.7m—
JW
Joseph Woods Builders
Yes£1.8m1
AS
Aaron Services Limited
No£474k1
AU
Audiotek Limited
No£391k1
EM
Environmental Management & Services Limited
Yes£372k1
WE
WCS ENVIRONMENTAL LIMITED
No£290k1
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 31 Dec 2024
Confirmation statement
Up to date
Next due 14 Jan 2027
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.
NI017799
Status
Active
Type
Private limited
Incorporated
14 Sept 1984
Reg. office
Harbour Court, Cts House, 9 Heron Road, Belfast, BT3 9HB
SIC codes
39000
Last accounts
31 Dec 2024
Next accounts due
30 Sept 2026

Directors & PSC

  • HARTLEY, Benjamin Paul — director
    Appointed 14 Sept 2023
  • HARTLEY, Gavin Michael — director
    Appointed 14 Sept 2023
  • NICHOLLS, Andrew Paul — director
    Appointed 14 Sept 2023
  • FERGUSSON, Jamie Robert — director
    Appointed 18 Feb 2013
  • FERGUSSON, Stuart Philip — director
    Appointed 18 Feb 2013
  • Hsl Compliance Holdings Limited — person with significant control
    ownership of shares 75 to 100 percent · voting rights 75 to 100 percent · right to appoint and remove directors

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
CHEMICAL TREATMENT SERVICES (IRELAND) LIMITED
NI017799 · this company

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