Trestec for manufacturing
A production line depends on suppliers you can see and many you cannot. Trestec maps tier one to Nth party dependencies and keeps supplier evidence current.
Third party risk in manufacturing
Manufacturers rely on component makers, raw material sources, toolmakers and logistics partners, often several tiers deep. A shortage or failure far down the chain can halt output, while customers and regulators ask for more evidence on labour, carbon and security.
Hidden tier two and tier three suppliers
A distant subcontractor can stop a production line, and most firms only know their direct suppliers.
Single source components
Critical parts from one supplier, one plant or one region, with no tested alternative.
Labour and environmental evidence
Customers, investors and regulators ask for proof on forced labour, emissions and responsible sourcing.
Cyber risk in production
Attacks on a manufacturer or a key supplier can stop plants and spread along the supply chain.
When a supplier fails
Publicly reported events that show how disruption travels through third parties.
2020 to 2023
The semiconductor shortage
Chip shortages forced carmakers and electronics makers to cut production worldwide. A fire at a Renesas plant in Japan in March 2021 made the shortage worse for the motor industry.
March 2021
Suez Canal blockage
The six day closure of the Suez Canal delayed parts and materials bound for European plants and added to container shortages.
September 2025
Jaguar Land Rover cyber attack
A cyber attack that began at the end of August 2025 stopped production at Jaguar Land Rover for around five weeks, with knock on effects for its UK suppliers, and the government backed a £1.5 billion loan guarantee.
Rules and expectations that apply
A summary of the main requirements, not legal advice. Confirm what applies to your firm with your advisers.
| Rule or expectation | What it asks of you |
|---|---|
| UK Modern Slavery Act 2015, section 54 | An annual modern slavery statement for organisations carrying on business in the UK with turnover of £36m or more. |
| EU carbon and forced labour rules | The Carbon Border Adjustment Mechanism entered its definitive phase on 1 January 2026, and the EU Forced Labour Regulation will ban products made with forced labour from 14 December 2027. |
| Supply chain due diligence laws | Germany's Supply Chain Due Diligence Act has applied since 2023 (its reporting duty is being removed), and the narrowed EU Corporate Sustainability Due Diligence Directive applies from July 2029. |
Rule or expectation
What it asks of you
Rule or expectation
What it asks of you
Rule or expectation
What it asks of you
How Trestec helps
Supply chain and Nth party mapping
Record subcontractors behind each supplier and see where several product lines rely on the same source.
Concentration and substitutability
Measure reliance on single providers and countries, and record how replaceable each supplier is.
Due diligence and ESG
Guided supplier requests with AI screening, plus ESG checks on carbon, modern slavery and ethics.
Risk assessment and monitoring
Consistent assessments with named sign off, and alerts when evidence expires or a review falls due.
From tier one to Nth party
- Subcontractors recorded behind each supplier
- Shared sources flagged across product lines
- Country and provider concentration
- Evidence and owners on every record
AI suggests and flags. A named person reviews the evidence and decides.
Nth parties
Northwind
Data hostingNetwork carrier · critical
Meridian
Card scheme
Atlas Logistics
Fleet partnerWarehousing
Trestec in manufacturing: feature by feature
The same platform, applied to component makers, raw material suppliers, toolmakers, logistics partners and the systems your plants rely on.
Supplier register and tiering
Every component maker, material supplier, toolmaker and service provider in one record, with an owner, tags and a change history, tiered by your own rules.
In manufacturing
Tag suppliers as castings, electronics or packaging, and tier single source suppliers above those with approved alternatives.
Nth parties from due diligence and contracts
Subcontractors named in a supplier's due diligence answers or contracts are recorded behind that supplier, so tier two and tier three become visible without an external data feed.
In manufacturing
A component maker names the plating firm it subcontracts to; the plating firm appears behind it, and you can see if other suppliers name it too.
Concentration and substitutability
Reliance is measured by provider, country and type of service against thresholds you set. How replaceable each supplier is can be recorded too.
In manufacturing
See that most of your electronic components come from suppliers in one country, and which of them have no recorded alternative.
Supplier map by location
Suppliers are plotted at their recorded location and can be coloured by risk rating, with signals for higher risk countries.
In manufacturing
View your component suppliers by region and see where higher rated risks cluster.
Due diligence and ESG
Guided requests by secure link and one-time code, with AI screening on submission for a reviewer to decide, plus ESG checks on carbon, modern slavery and ethics. Chasers and annual refreshes keep evidence current.
In manufacturing
Collect quality and environmental certificates, continuity plans and labour evidence from suppliers, with dates checked.
Contract analyser and renewal alerts
Contracts are read for liability, termination, exit, renewal and other clauses, with each finding linked to the source text, and renewal dates raise alerts.
In manufacturing
Check liability caps and termination terms in long term supply agreements, and get warned before a notice period opens.
Geographic event and company monitoring
Events near monitored suppliers' recorded locations are scanned for every 12 hours, and UK registered suppliers' Companies House status is watched for changes such as liquidation.
In manufacturing
An industrial fire reported near a supplier's city, or a UK supplier entering administration, raises an alert on that supplier.
Exit strategies and continuity plans
Trestec works out which suppliers need an exit strategy and raises a task when one is missing. Continuity plans are kept in a register.
In manufacturing
A material single source supplier without an exit strategy gets a task for its owner to document how supply would be moved.
How it works for manufacturing
Illustrative example. The company, suppliers and events are invented to show how the features fit together.
- 01
A subcontractor appears in due diligence
A component supplier's annual refresh names a heat treatment firm it relies on. It is recorded behind the supplier as an Nth party.
- 02
A shared dependency comes to light
The supply chain view shows that two other suppliers name the same firm, so one subcontractor sits behind three of your direct suppliers.
- 03
Concentration is reviewed
The concentration view and the recorded substitutability show how much relies on those three suppliers, and whether alternatives exist.
- 04
Evidence and exit planning follow
A due diligence request asks for the subcontractor's certificates and continuity plan, and the exit strategy task for the most exposed supplier goes to its owner.
- 05
Leadership is briefed
A board report drafted with TresAI from the supplier records is saved to report history for review before it goes to leadership.
Talk to us about manufacturing
See the suppliers behind your production lines, several tiers deep.

