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  4. Don Whitley Scientific Limited
DW

Don Whitley Scientific Limited

Laboratory equipment · Bingley
SME

Don Whitley Scientific Limited specializes in the design and manufacture of modified atmosphere workstations, including anaerobic, hypoxic, and microaerobic chambers.

dwscientific.co.uk ↗

Summary from the supplier’s website — unverified

Compare peers
Awarded
£53.3m
Live
12
Buyers
17
12m
£2.2m
At a glance
  • Quick answer
Profile
  • Social value
  • ESG & policies
  • Capabilities6
  • Buyer references
  • Accreditations
Track record · verified
  • KPI performance
  • Contracts12 / 57
  • Top buyers17
  • Category mix
  • Geography
  • Peers5
Trust & risk
  • Red flags0
  • Compliance
  • Modifications
  • News
Company
  • Companies House
  • Financial
  • Org tree
Quick answer — Don Whitley Scientific LimitedUpdated 13 Jul 2026

At a glance · for buyers and watchdogs

Don Whitley Scientific Limited has won £53.3m across 17 public-sector buyers, with 12 live contracts. No active Companies House risk flags.

Why: top buyer Public Health England at 90% · 48% in Laboratory equipment · 0 active risk flags · 0 modifications.

Decision signals
0Active red flags
ActiveCompany status
12 of 57Live contracts
90%Top-buyer concentration
48%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
Services · 3
Anaerobic WorkstationsWorkstations designed for anaerobic conditions. ↗Hypoxic WorkstationsWorkstations designed for hypoxic conditions. ↗Microaerobic WorkstationsWorkstations designed for microaerobic conditions. ↗
Frameworks & DPS · 6 from notices
  • National Microbiology Framework - Lot 1: Diagnostic Goods and ServicesPublic Health England · £25.6m
  • Provision of Spiral PlatersPublic Health England · £101k
  • UKHSA_Scientific- Provision of WASP Touch Spiral PlatersUK HEALTH AND SECURITY AGENCY · £53k
  • Movement, installation and commissioning of WASP Laboratory EquipmentUK HEALTH AND SECURITY AGENCY · £52k
  • Provision of an automatic media preparator and petri dish machineUK HEALTH AND SECURITY AGENCY · £49k
  • Provision of Anaerobic WorkstationPublic Health England · £35k

Extracted automatically from dwscientific.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 · 1

Credentials listed on the supplier’s website. Not yet checked against issuer registers.

◐ From supplier website
Core credentials · 0/6
Cyber EssentialsNot evidenced✓
Cyber Essentials PlusNot evidenced✓
ISO 27001 — Information securityNot evidenced✓
ISO 9001 — QualityNot evidenced✓
ISO 14001 — EnvironmentalNot evidenced✓
ISO 45001 — Health & safetyNot evidenced✓
Other credentials & memberships · 1
UKAS CalibrationUKAS · Certification ↗

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

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 · 12 live · 45 historic

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

✓ From notices
TitleBuyerCPVAwardedValueTermStatus
Don Whitley WASP Maintenance 2026/2027
UK HEALTH AND SECURITY AGENCY5042000001 Jun 2026£1.0m13 moLive
M35 Workstation
UK HEALTH AND SECURITY AGENCY3300000005 Nov 2025£52k5 moClosed
Purchase of Double Incubator and Imaging Module
UK HEALTH AND SECURITY AGENCY3800000017 Oct 2025£1.0m5 moClosed
Purchase of a media preparator
UKHSA4291210010 Oct 2025£51k12 moLive
C384369 - Manchester TLA Slide Prep
UK HEALTH AND SECURITY AGENCY3800000028 Aug 2025£62k3 moClosed
UKHSA Provision for a Microaerophilic Workstation
UK HEALTH AND SECURITY AGENCY3300000012 Feb 2025£60k14 moClosed
Don Whitley Maintenance 25 - 27
UKHSA5040000001 Feb 2025£364k2 yrsLive
Don Whitley A95 TG anaerobic workstation
University Of The West Of England3021400019 Dec 2024£60k—Closed
Provision of an automatic media preparator and petri dish machine
UK HEALTH AND SECURITY AGENCY4291210026 Nov 2024£49k3 moClosed
Automated Sub-culturing system (call-off contract awarded)
NHS Blood & Transplant (NHSBT)3369810015 Mar 2025£490k8 yrsLive
Total live value £2.0m · mean award £934k1–10 of 57

Top buyers · 17 buyers · top 3 = 98%

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

✓ From notices
1
Public Health England
15 contracts
90%
since 2016
2
UK HEALTH AND SECURITY AGENCY
13 contracts
6%
since 2022
3
UKHSA
3 contracts
1%
since 2023
4
NHS Blood & Transplant (NHSBT)
1 contract
1%
since 2024
5
Newcastle University
4 contracts
0%
since 2017
6
University Of The West Of England
3 contracts
0%
since 2016
7
THE UNIVERSITY OF BIRMINGHAM
3 contracts
0%
since 2017
8
DEFRA
3 contracts
0%
since 2017
9
UK SHARED BUSINESS SERVICES LIMITED
2 contracts
0%
since 2018
10
ANIMAL AND PLANT HEALTH AGENCY
2 contracts
0%
since 2023

Category mix

CPV-division share of last-12m awarded value.

✓ From notices
Laboratory equipment38
48%
Repair & maintenance50
47%
Medical equipment33
2%
Industrial machinery42
2%

Geography

Distribution of awarded value by buyer region.

✓ From notices
UK · schematic only
London20 contracts
98%
South West7 contracts
2%
North East4 contracts
0%
West Midlands3 contracts
0%
East Midlands1 contract
0%
Eastern2 contracts
0%
North West1 contract
0%
Wales2 contracts
0%

Peers

Suppliers with overlapping CPVs & buyers (last 24m). Don Whitley Scientific Limited highlighted.

✓ From notices
SupplierSME?Awarded · 24mContracts
TC
Topcoat Construction Limited / TCL Group
Yes£67.6m2
IW
Ian Williams
No£67.6m2
WH
Westone Housing
Yes£67.6m2
ER
EQUANS Regeneration Limited
No£67.6m2
CH
C Hanlon Facilities Management Ltd
Yes£67.6m2
DW
Don Whitley Scientific Limited
Yes£2.2m—
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
Due in -45d
Next due 29 May 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.
01342672
Status
Active
Type
Private limited
Incorporated
06 Dec 1977
Reg. office
Victoria Works, Victoria Street, Bingley, West Yorkshire, BD16 2NH
SIC codes
28990
Last accounts
31 Dec 2024
Next accounts due
30 Sept 2026

Directors & PSC

  • WALTON, Paul Nicolas — director
  • WHITLEY, Pamela — director
  • HALLIDAY, Michael Charles — director
    Appointed 01 Jul 2021
  • MURRAY, Fergus — director
    Appointed 01 Jan 2016
  • WALTON, Joseph Michael — director
    Appointed 01 Mar 2012
  • CARLISLE, Georgia — director
    Appointed 01 Mar 2012
  • Don Whitley Scientific 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
DON WHITLEY SCIENTIFIC LIMITED
01342672 · this company

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