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M5

M5TEC LIMITED

Newton Aycliffe
SME

M5TEC LIMITED specializes in engineered solutions for high assurance industries, focusing on sectors such as nuclear, fusion energy, and subsea. They offer engineering design, consultancy, and turnkey services.

m5tec.com ↗

Summary from the supplier’s website — unverified

Compare peers
Awarded
£11.9m
Live
6
Buyers
6
12m
£7.9m
At a glance
  • Quick answer
Profile
  • Social value
  • ESG & policies
  • Capabilities1
  • Buyer references
  • Accreditations
Track record · verified
  • KPI performance
  • Contracts6 / 20
  • Top buyers6
  • Category mix
  • Geography
  • Peers5
Trust & risk
  • Red flags0
  • Compliance
  • Modifications
  • News
Company
  • Companies House
  • Financial
  • Org tree
Quick answer — M5TEC LIMITEDUpdated 13 Jul 2026

At a glance · for buyers and watchdogs

M5TEC LIMITED has won £11.9m across 6 public-sector buyers, with 6 live contracts. No active Companies House risk flags.

Why: top buyer UK Atomic Energy Authority at 67% · 0 active risk flags · 0 modifications.

Decision signals
0Active red flags
ActiveCompany status
6 of 20Live contracts
67%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 · 1/8
Central government✓
Local government✓
NHS & health✓
Housing✓
Utilities & energy✓
Financial services✓
Education✓
Defence✓
Services · 3
Engineering Design and ConsultancyM5tec can provide multi-disciplined engineering design services and consultancy to suit our clients’ needs and technical challenges. ↗Embedded Engineering ResourceM5tec can provide engineering design resource to embed within our client’s project teams and assist with resource demands and skills shortages. ↗Turnkey ServicesM5tec are able to provide a complete turnkey service via the use of their on-site workshop and trusted manufacturing partners. ↗
Frameworks & DPS · 1 from notices
  • Engineering Design ServicesUK Atomic Energy Authority · £2k

Extracted automatically from m5tec.com on Jul 2026. Not independently verified — treat as the supplier’s own marketing claims.

Case studies · 6

Delivery stories from the supplier’s website. Clients are not yet cross-checked against award records.

◐ From supplier website
Prototype Radiation-Hardened ActuatorDesign and build of a prototype radiation hardened actuator for use in the MASCOT 6 system. ↗Fusion Futures - Reliable remote Operability of FastenersEmbedded engineering support in the development and demonstration of force torque controlled remote handling systems. ↗Fusion Energy In-Bore Pipe RepairResearching additive manufacturing and material deposition technologies to determine the UK capability for the repair of fusion pipe from an in-bore deployment system. ↗Surface Inspection Inside a Fusion TokamakResearching cutting-edge technologies to inform the development of a surface inspection system for future fusion machines. ↗RAICo - Scaffold Pipe Size Reduction StationsInvestigating the development of automated scaffold pipe cutting stations to enhance the management, cleaning, and packaging of scaffold pipes for long-term storage. ↗M5tec Engineer Served as an Integration Engineer at ESS in Lund, SwedenM5tec embed mechanical engineering resource to work as an integration engineer on the Neutron Scattering Systems (NSS) within the engineering team at ESS. ↗

Extracted automatically from m5tec.com on Jul 2026. Not independently verified — treat as the supplier’s own marketing claims.

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 · 6 live · 14 historic

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

✓ From notices
TitleBuyerCPVAwardedValueTermStatus
Design & Build Framework
UK Atomic Energy Authority—05 Sept 2025£7.9m12 mopending
M2 Flask Security Adaptor for Seacom Trailer Design
Nuclear Restoration Services (NRS)7132000002 Dec 2024£35k5 moClosed
UKAEA - RAICo - Scaffold Pipe Size Reduction Prototype Station(s) - Design and Supply
Ukaea United Kingdom Atomic Energy Authority4200000022 May 2024£197k1.5 yrsClosed
Engineering Design Services Framework
Ukaea United Kingdom Atomic Energy Authority7132000001 Apr 2024£1.1m4 yrsLive
Provision of Mechanical Design Support
Dounreay, a Divison of Magnox Limited7132000015 May 2023£103k11 moClosed
IEF-D2001-D303 - Concept Design D2001 MIF Buffer Store (Mechanical)
Dounreay, a Divison of Magnox Limited7162100012 Apr 2023£102k6 moClosed
BFR - Services of a Mechanical Designer
CTM Portal for the NDA Shared Services Alliance7132000014 Mar 2022£111k12 moClosed
Design & Specify a Coalescing Filter System
CTM Portal for the NDA Shared Services Alliance7132000012 Oct 2021£33k4 moClosed
D1203 Duct Removal - Methodology
CTM Portal for the NDA Shared Services Alliance7940000008 Feb 2022£30k3 moClosed
PFR AGB Access Egress Door Concept Design
CTM Portal for the NDA Shared Services Alliance9839100025 Nov 2021£53k4 moClosed
Total live value £1.1m · mean award £593k1–10 of 20

Top buyers · 6 buyers · top 3 = 98%

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

✓ From notices
1
UK Atomic Energy Authority
2 contracts
67%
since 2018
2
Ukaea United Kingdom Atomic Energy Authority
5 contracts
20%
since 2020
3
CTM Portal for the NDA Shared Services Alliance
6 contracts
11%
since 2021
4
Dounreay, a Divison of Magnox Limited
2 contracts
2%
since 2023
5
UK Research & Innovation
2 contracts
0%
since 2021
6
Nuclear Restoration Services (NRS)
3 contracts
0%
since 2024

Geography

Distribution of awarded value by buyer region.

✓ From notices
UK · schematic only
South East2 contracts
86%
North West6 contracts
14%
South West2 contracts
0%
Region resolved for 78% of awarded value (by buyer postcode); the remainder lacks a usable address.

Peers

Suppliers with overlapping CPVs & buyers (last 24m). M5TEC LIMITED highlighted.

✓ From notices
SupplierSME?Awarded · 24mContracts
AE
AECOM LIMITED
No£14.2m3
M5
M5TEC LIMITED
Yes£7.9m—
AT
AtkinsAltrad
No£7.6m5
BB
BALFOUR BEATTY CIVIL ENGINEERING LIMITED
Yes£4.2m1
WI
Waterman Infrastructure & Environment Limited
Yes£4.2m1
RU
RAMBOLL UK LIMITED
Yes£4.2m1
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 06 May 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.
09005477
Status
Active
Type
Private limited
Incorporated
22 Apr 2014
Reg. office
Unit 7 Hurworth Road, Aycliffe Business Park, Newton Aycliffe, Co. Durham, DL5 6UD
SIC codes
71122 · 71129
Last accounts
30 Apr 2025
Next accounts due
31 Jan 2027

Directors & PSC

  • JONES, Carl — director
    Appointed 22 May 2015
  • CHALDER, Craig — director
    Appointed 22 Apr 2014
  • Mr Carl Jones — person with significant control
    ownership of shares 25 to 50 percent · voting rights 25 to 50 percent
  • Mr Craig Chalder — person with significant control
    ownership of shares 25 to 50 percent · voting rights 25 to 50 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
M5TEC LIMITED
09005477 · this company

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