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DH

DIAGRAMA HEALTHCARE SERVICES LIMITED

Croydon
SME
diagramafoundation.org.uk ↗
Compare peers
Awarded
£41.5m
Live
3
Buyers
3
12m
£16.3m
At a glance
  • Quick answer
Profile
  • Social value
  • ESG & policies
  • Capabilities2
  • Buyer references
  • Accreditations
Track record · verified
  • KPI performance
  • Contracts3 / 6
  • Top buyers3
  • Category mix
  • Geography
  • Peers5
Trust & risk
  • Red flags0
  • Compliance
  • Modifications
  • News
Company
  • Companies House
  • Financial
  • Org tree
Quick answer — DIAGRAMA HEALTHCARE SERVICES LIMITEDUpdated 13 Jul 2026

At a glance · for buyers and watchdogs

DIAGRAMA HEALTHCARE SERVICES LIMITED has won £41.5m across 3 public-sector buyers, with 3 live contracts. No active Companies House risk flags.

Why: top buyer Essex County Council at 61% · 0 active risk flags · 0 modifications.

Decision signals
0Active red flags
ActiveCompany status
3 of 6Live contracts
61%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.

⚑ Self-reported & from notices

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

Frameworks & DPS · 2 from notices
  • OPR004 Integrated Residential and Nursing 2025Essex County Council · £14.4m
  • Care in a Residential Setting with or without Nursing (IRN)Essex County Council · £10.8m

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 · 3 historic

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

✓ From notices
TitleBuyerCPVAwardedValueTermStatus
Day Services for Adults with Learning Disabilities and Complex Needs
London Borough of Bromley—17 Aug 2026£8.1m5 yrspending
Day Services for Adults with Learning Disabilities and Complex Needs
London Borough of Bromley—17 Aug 2026£8.1m5 yrspending
OPR004 Integrated Residential and Nursing 2025
Essex County Council8531100001 Jun 2025£14.4m6 yrsLive
Provision of Supported Living Services
London Borough of Bromley8500000001 Apr 2021£16k9 yrsLive
Care in a Residential Setting with or without Nursing (IRN)
Essex County Council8500000001 Jun 2019£10.8m6 yrsClosed
OPR004 Integrated Residential and Nursing 2025
NHS SUFFOLK AND NORTH EAST ESSEX INTEGRATED CARE BOARD85311000———Live
Total live value £14.4m · mean award £6.9m

Top buyers · 3 buyers · top 3 = 100%

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

✓ From notices
1
Essex County Council
2 contracts
61%
since 2019
2
London Borough of Bromley
3 contracts
39%
since 2021
3
NHS SUFFOLK AND NORTH EAST ESSEX INTEGRATED CARE BOARD
1 contract
0%

Geography

Distribution of awarded value by buyer region.

✓ From notices
UK · schematic only
Eastern3 contracts
61%
South East3 contracts
39%

Peers

Suppliers with overlapping CPVs & buyers (last 24m). DIAGRAMA HEALTHCARE SERVICES LIMITED highlighted.

✓ From notices
SupplierSME?Awarded · 24mContracts
OH
Optima Health UK Limited
No£29.4m1
DH
DIAGRAMA HEALTHCARE SERVICES LIMITED
Yes£16.3m—
LH
Lotus Home Care Limited
Yes£13.4m2
PH
PRIVATE HOME CARE UK LIMITED
Yes£13.1m1
C&
City & County Care Services Ltd
Yes£13.1m1
DC
Domiciliary Care Services (UK) Limited
Yes£13.1m1
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 Mar 2025
Confirmation statement
Up to date
Next due 27 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.
09262083
Status
Active
Type
Private limited
Incorporated
13 Oct 2014
Reg. office
Airport House, Purley Way, Croydon, CR0 0XZ
SIC codes
87100 · 87200
Last accounts
31 Mar 2025
Next accounts due
31 Dec 2026

Directors & PSC

  • COLLIER, Mary Leah Henrietta — secretary
    Appointed 29 Sept 2022
  • MCGUIRE, David Romero — director
    Appointed 13 Oct 2014
  • Diagrama Foundation-Psychosocial Intervention — person with significant control
    ownership of shares 75 to 100 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
DIAGRAMA HEALTHCARE SERVICES LIMITED
09262083 · this company

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