PS.
PublicSupply
account_balanceBuyersbusinessSuppliersdescriptionNoticescategoryCategories
BuyersSuppliersNoticesCategories
verified_userData sourced from Contracts Finder, Find a Tender, and Companies House.
Contracts Finder ↗Find a Tender ↗Procurement Act 2023 ↗
  1. Home›
  2. Suppliers›
  3. Architecture & engineering (CPV 71)›
  4. Johns Slater and Haward
JS

Johns Slater and Haward

Architecture & engineering · Ipswich
SME

Johns Slater and Haward are Chartered Designers of Mechanical & Electrical Systems in Buildings, established in 1907.

jshipswich.co.uk ↗

Summary from the supplier’s website — unverified

Compare peers
Awarded
£3.8m
Live
4
Buyers
7
12m
£2.5m
At a glance
  • Quick answer
Profile
  • Social value
  • ESG & policies
  • Capabilities
  • Buyer references
  • Accreditations
Track record · verified
  • KPI performance
  • Contracts4 / 12
  • Top buyers7
  • Category mix
  • Geography
  • Peers5
Trust & risk
  • Red flags0
  • Compliance
  • Modifications
  • News
Company
  • Companies House
  • Financial
  • Org tree
Quick answer — Johns Slater and HawardUpdated 20 Jul 2026

At a glance · for buyers and watchdogs

Johns Slater and Haward has won £3.8m across 7 public-sector buyers, with 4 live contracts. No active Companies House risk flags.

Why: top buyer Ipswich Borough Council at 66% · 100% in Architecture & engineering · 0 active risk flags · 0 modifications.

Decision signals
0Active red flags
ActiveCompany status
4 of 12Live contracts
66%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 · 1
Mechanical & Electrical Design

Extracted automatically from jshipswich.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 · 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
CIBSE East Anglia Engineering Excellence Awardaward

Extracted automatically from jshipswich.co.uk 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 · 4 live · 8 historic

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

✓ From notices
TitleBuyerCPVAwardedValueTermStatus
ENHT - Tower distribution upgrade design
The East and North Hertfordshire NHS Trust ("ENHT")7122000012 May 2026£40k11 moLive
Consultancy Framework - Lotted
Ipswich Borough Council—01 Apr 2026£2.5m4 yrspending
Infrastructure Works
The Queen Elizabeth Hospital King's Lynn NHS Foundation Trust7131130019 Jan 2024£15k—Closed
Dry Riser Improvements
The Queen Elizabeth Hospital King's Lynn NHS Foundation Trust3162510004 Dec 2023£31k—Closed
Chiller Replacement
The Queen Elizabeth Hospital King's Lynn NHS Foundation Trust4251320009 Nov 2023£12k—Closed
ENHT - MEP Services (SPECT CT)
The East and North Hertfordshire NHS Trust ("ENHT")7941520018 Jan 2023£25k12 moClosed
Construction Consultancy Framework
Braintree District Council7153000006 Jan 2022£481k4 yrsClosed
Consultancy Services Framework
South East Consortium7131520009 Feb 2021£693k4 yrsClosed
PURCON776 Estates Division Capital and Minor Works Consultant Register - AWARD
UNIVERSITY OF EAST ANGLIA7100000005 Jun 2019—3 yrsClosed
MEP Services Chilton Fields Sports & Community Pavilion
Mid Suffolk District Council————Live
Total live value £40k · mean award £316k1–10 of 12

Top buyers · 7 buyers · top 3 = 97%

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

✓ From notices
1
Ipswich Borough Council
1 contract
66%
since 2026
2
South East Consortium
2 contracts
18%
since 2021
3
Braintree District Council
2 contracts
13%
since 2022
4
The East and North Hertfordshire NHS Trust ("ENHT")
2 contracts
2%
since 2023
5
The Queen Elizabeth Hospital King's Lynn NHS Foundation Trust
3 contracts
2%
since 2023
6
UNIVERSITY OF EAST ANGLIA
1 contract
0%
since 2019
7
Mid Suffolk District Council
1 contract
0%

Category mix

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

✓ From notices
Architecture & engineering71
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
Eastern8 contracts
81%
South East2 contracts
19%

Peers

Suppliers with overlapping CPVs & buyers (last 24m). Johns Slater and Haward highlighted.

✓ From notices
SupplierSME?Awarded · 24mContracts
PA
PURCELL ARCHITECTURE LIMITED
No£22.4m2
C&
CURRIE & BROWN UK LIMITED
No£5.0m5
AE
AECOM LIMITED
No£2.7m9
D&
DREES & SOMMER UK LIMITED
Yes£2.7m3
JS
Johns Slater and Haward
Yes£2.5m—
AR
Arup/AECOM
No£2.1m1
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 30 Apr 2025
Confirmation statement
Up to date
Next due 19 Mar 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.
05065591
Status
Active
Type
Private limited
Incorporated
05 Mar 2004
Reg. office
Ardennais House 6 Sorrel Horse Mews, Grimwade Street, Ipswich, IP4 1LN
SIC codes
71122
Last accounts
30 Apr 2025
Next accounts due
31 Jan 2027

Directors & PSC

  • GARNETT, Neil — director
    Appointed 01 Nov 2024
  • MILLER, Adrian John — director
    Appointed 01 Nov 2024
  • BURROWS, Bawden Edward — director
    Appointed 02 Oct 2023
  • FORDHAM, Neil — director
    Appointed 01 Nov 2017
  • Mr Neil Fordham — person with significant control
    ownership of shares 25 to 50 percent · voting rights 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
JOHNS SLATER AND HAWARD LIMITED
05065591 · this company

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