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ME

MCM Environmental Services Ltd

Sewage & refuse · Bristol
Large

MCM Environmental Services Ltd is a UK-based company specializing in radioactive waste management solutions. They integrate scientific, technical, and strategic information to support decision-makers in the nuclear sector.

mcmenvironmental.co.uk ↗

Summary from the supplier’s website — unverified

Compare peers
Awarded
£70k
Live
2
Buyers
4
12m
£50k
At a glance
  • Quick answer
Profile
  • Social value
  • ESG & policies
  • Capabilities
  • Buyer references
  • Accreditations
Track record · verified
  • KPI performance
  • Contracts2 / 4
  • Top buyers4
  • Category mix
  • Geography
  • Peers5
Trust & risk
  • Red flags1
  • Compliance
  • Modifications
  • News
Company
  • Companies House
  • Financial
  • Org tree
Quick answer — MCM Environmental Services LtdUpdated 20 Jul 2026

At a glance · for buyers and watchdogs

MCM Environmental Services Ltd has won £70k across 4 public-sector buyers, with 2 live contracts.

Why: top buyer International Nuclear Services Limited at 71% · 25% in Sewage & refuse · 1 active risk flag · 0 modifications.

Decision signals
1Active red flags
ActiveCompany status
2 of 4Live contracts
71%Top-buyer concentration
25%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 · 1
Radioactive Waste ManagementMCM provides integrated solutions for the management of radioactive waste, covering all aspects from strategy to implementation. ↗

Extracted automatically from mcmenvironmental.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 · 2 live · 2 historic

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

✓ From notices
TitleBuyerCPVAwardedValueTermStatus
Pre-Concept Safety Assessment Information Maps
International Nuclear Services Limited9072100002 Mar 2026£50k4 moClosed
Chair for Technical Advisory Panel
Radioactive Waste Management Ltd.7300000025 Jun 2016£21k9 moClosed
LINC 144 - Steel Fibre Reinforced Concrete Technology Development
Sellafield Limited————Live
Post-Closure Safety Case Framework
nuclear waster services73210000———Live
Total live value — · mean award £18k

Top buyers · 4 buyers · top 3 = 100%

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

✓ From notices
1
International Nuclear Services Limited
1 contract
71%
since 2026
2
Radioactive Waste Management Ltd.
1 contract
29%
since 2016
3
Sellafield Limited
1 contract
0%
4
nuclear waster services
1 contract
0%

Category mix

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

✓ From notices
Sewage & refuse90
25%
Business services79
25%
Other services98
25%
R&D services73
25%

Geography

Distribution of awarded value by buyer region.

✓ From notices
UK · schematic only
North West2 contracts
71%
South East1 contract
29%

Peers

Suppliers with overlapping CPVs & buyers (last 24m). MCM Environmental Services Ltd highlighted.

✓ From notices
SupplierSME?Awarded · 24mContracts
XE
XEWLI LIMITED
Yes£19.9m1
IR
IFF Research
No£10.4m1
CU
CAPGEMINI UK PLC
No£4.1m1
WU
WSP UK Limited
No£3.3m6
I(
Ipsos (Market Research) Ltd
No£3.3m6
ME
MCM Environmental Services Ltd
No£50k—
Compare peers →

Red flags · 1 active

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

✓ Verified
Confirmation statement overdue. Statement was due 01 May 2026.

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
Overdue
Due 01 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.
10128718
Status
Active
Type
Private limited
Incorporated
18 Apr 2016
Reg. office
23 Westfield Park, Redland, Bristol, BS6 6LT
SIC codes
71122
Last accounts
30 Apr 2025
Next accounts due
31 Jan 2027

Directors & PSC

  • HOLTON, David, Dr — director
    Appointed 01 May 2023
  • CLARK, Alastair, Dr — director
    Appointed 18 Apr 2016
  • Dr Alastair Clark — person with significant control
    ownership of shares 50 to 75 percent · voting rights 50 to 75 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
MCM ENVIRONMENTAL SERVICES LIMITED
10128718 · this company

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