CNC milling service

A UK-based CNC milling service delivering accurate, repeatable results for medium-to-high volume production where consistency matters.

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ISO 9001 Certified
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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Proven. Certified. Trusted.

A CNC milling service you can trust

Our CNC milling service operates within ISO 9001-certified quality systems and is JOSCAR registered, giving procurement and engineering teams confidence in compliance, traceability, and delivery reliability on every order.

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British Assessment Bureau ISO 9001 Quality Management Accreditation
JOSCAR Registered Logo
Make UK Member Logo

Technical CNC milling expertise

Our CNC milling service is designed for complex metal components produced at scale, with the controls and expertise needed for demanding specifications.

  • Custom CNC milling across aluminium, stainless steel, brass, and other engineering metals
  • Tight tolerance milling machining using modern, well-maintained CNC equipment
  • Production-ready milling services supported by documented inspection and repeatable processes
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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

Unlike automated quoting platforms, we guarantee accuracy, compliance, and partnership — not just a price. Procurement teams choose our CNC milling service for the reliability and documentation their supply chains demand.

Feature Penta Precision Typical automated platform
UK-based CNC milling ✓ Local production and accountability ✗ Work outsourced to unknown foreign machining 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 can be customised to customer requirements ✗ Not offered or restricted to standard templates
DFM feedback before manufacture ✓ Real machinist review and advice ✗ Automated quote with limited checks
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 supplier 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
Packaging to your specification ✓ Tailored packing and labelling ✗ Standard bulk packing
Site visits and supplier audits ✓ Welcome to visit and audit ✗ No facility to audit
Revision control on repeat batches ✓ Controlled setups and documented changes ⚠︎ Inconsistent by vendor
IP protection and NDA ✓ Direct NDA with manufacturer ✗ Drawings shared to multiple shops

Ready to work with a reliable CNC milling service?

Experience precision, documentation, and delivery performance that procurement teams can depend on. Submit your drawings and we’ll handle the rest — accurately, securely, and without delay.
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Common questions

How much does CNC milling cost?
Is there a minimum order quantity (MOQ)?
What is the fastest lead time you can offer?
What file formats do you accept?
What are the maximum and minimum part sizes you can mill?