Reliable CNC machining for precision-engineered parts

Our CNC machining service delivers high-accuracy components with full traceability and ISO 9001-certified quality control.

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ISO 9001 Accredited
JOSCAR Registered
Cyber Essentials Plus
Ben
Aerospace & Industrial
Penta Precision delivered an excellent service with a standard turnaround. The work was of a sublime level and the level of communication right from the start was outstanding.
Simon
Industrial & Marine
Penta provide an excellent service from start to end. Friendly and knowledgeable consultant and advice, superb communication throughout, outstanding attention to detail, flawless engineering and machining, on time supply, transparent pricing, clear and accurate paperwork. A genuine pleasure to do business with.
Steve
Steve, Scientific and Technical
Excellent service, friendly and helpful staff. Never had a non-conformance on our system for Penta Precision.
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Trusted by procurement professionals

CNC machining trusted by UK manufacturers

Procurement teams rely on our machining service for certified quality, secure data handling, and dependable delivery. ISO 9001, Cyber Essentials Plus and JOSCAR accreditation back every order with measurable assurance.

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British Assessment Bureau ISO 9001 Quality Management Accreditation
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Machining engineered for reliability

Our CNC machining service combines advanced equipment with proven process control to produce consistent, high-quality parts. Each project is managed for accuracy, documentation, and on-time delivery.

  • Multi-axis CNC machining for complex geometries and tight tolerances
  • ISO 9001 quality control with batch traceability
  • DFM support to prevent production delays and cost issues
  • Wide material range: aluminium, stainless steel, brass, plastics
  • Finishing and sub-assembly through approved UK partners
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What our clients say

David
Aerospace & Industrial
Overall excellent service, parts are delivered on time to an acceptable standard. Sales and quotation team are very responsive to our enquiries.
Nadiya
Medical and Pharmaceutical & OEM
Highly recommended and customer orientated company. Professional team which meet requests in a timely manner, supportive and cooperative.
Steve
Scientific and Technical
I have used Penta Precision for 4 years and have never had any issues with quality or the service we have received. I would have no hesitation in recommending them as a supplier of precision parts.
Russell
Medical and Pharmaceutical & OEM
Customer service is always very professional with everything done to a great detail expertise. Final product is also to a very high standard.
Mark
Scientific and Technical
I'm very grateful to have a supplier like Penta that we can rely on to deliver high quality, precision parts...Please keep up the good work.
Ben
Aerospace & Industrial
Penta Precision delivered an excellent service with a standard turnaround. The work was of a sublime level and the level of communication right from the start was outstanding.
Simon
Industrial & Marine
Penta provide an excellent service from start to end. Friendly and knowledgeable consultant and advice, superb communication throughout, outstanding attention to detail, flawless engineering and machining, on time supply, transparent pricing, clear and accurate paperwork. A genuine pleasure to do business with.
Nick
Marine & Subcontract Machining
Penta Precision have consistently provided us with excellent service...which is reinforced by their attentive and customer focused team, who maintain a high standard of communication throughout the process.
Martin
Defence & Electronics
Our first order was professionally executed to the required standard. Communication was good.

Why buyers choose us over online platforms

We are the CNC machining service that delivers what others can't.

Automated quoting sites trade speed for control. We handle every CNC machined part in-house under ISO 9001 processes, giving you direct accountability and documented assurance.

Feature Penta Precision Typical automated platform
UK-based CNC machine shop ✓ Local production and accountability ✗ Work outsourced to unknown foreign shops
ISO 9001 traceability on every order ✓ Batch and material traceability as standard ⚠︎ Varies by vendor and not guaranteed
Inspection documentation included ✓ Supplier Dimensional Report always provided ✗ Often an add-on or unavailable
FAIRs (First Article Inspection Reports) ✓ Available on request and customisable to customer needs ✗ Not offered or restricted to standard templates
DFM feedback before manufacture ✓ Real machinist review and advice ✗ Automated quote with limited checks
Secure data handling ✓ Cyber Essentials Plus certified ✗ Files uploaded to open third-party portals
Approved supplier registers ✓ Fully JOSCAR registered and audit-ready ✗ Not JOSCAR accredited; marketplace suppliers only
Transparent capacity and lead times ✓ Real schedules and honest dates ✗ ETA changes after allocation
Finishing and sub-assembly with one owner ✓ Managed through approved UK partners ✗ Multiple handoffs and split accountability
Call-off schedules and framework orders ✓ Planned capacity for repeat demand ✗ One-off job focus
IP protection and NDA ✓ Direct NDA with manufacturer ✗ Drawings shared to multiple shops

Ready to discuss your next CNC machining project?

Get a clear, accurate quote from a UK CNC machine shop that delivers quality, documentation, and on-time results.
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Common questions

How much does CNC machining cost?
Is there a minimum order quantity (MOQ)?
What is the fastest lead time you can offer?
What file formats do you accept for CNC machining?
What are the maximum and minimum part sizes you can machine?
Can I get a prototype before full production?