We compare specialist engineering insurers
Insurance for Custom & Non-Standard Engineering Work
Bespoke and one-off engineering manufacturing presents unique risks that standard manufacturing insurance policies often fail to address. Whether you are producing prototype machinery, custom-built components, specialist tooling, or one-off fabricated structures, your exposure extends beyond routine production risks.
At Insure24, we arrange tailored insurance solutions for engineering firms undertaking non-repeatable, high-value or technically complex manufacturing projects — ensuring your business, contracts, materials and liabilities are fully protected.
Key Covers for Bespoke Engineering Manufacturers
- Public & Products Liability (including bespoke products)
- Professional Indemnity for design & specification errors
- Contract Works & In-Progress Manufacturing Cover
- Property, Machinery & Engineering Assets Insurance
- Business Interruption & Loss of Revenue
- Employers’ Liability (legal requirement)
- Product Recall & Rectification Costs
- Tooling, Jigs & Prototype Equipment Cover
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Why Standard Manufacturing Insurance Is Often Inadequate
Bespoke engineering involves higher uncertainty, tighter tolerances, and greater contractual responsibility than mass production. A single design error, material failure or late-stage defect can result in:
- Full project failure or rejection
- Costly redesign or remanufacture
- Contractual penalties or liquidated damages
- Third-party injury or property damage
- Professional negligence claims
Our bespoke engineering insurance is structured to reflect project-based risks, not just annual turnover.
Bespoke Engineering Sectors We Cover
Custom Machinery & Automation
- Prototype machinery builds
- Robotics & automation systems
- Special-purpose production equipment
Precision & Specialist Fabrication
- One-off metal fabrication
- Structural steel projects
- Aerospace & defence components
How We Arrange Bespoke Engineering Insurance
- 1. Understand your projects, contracts & scope
- 2. Identify design, manufacturing & liability exposures
- 3. Place cover with specialist engineering insurers
- 4. Align insurance with client & contractual requirements
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FREQUENTLY ASKED QUESTIONS
+- What is bespoke engineering manufacturing insurance?
It is specialist insurance designed for engineering businesses producing custom, prototype or one-off manufactured items where standard policies may exclude design, project or contractual risks.
+- Do I need professional indemnity if I manufacture physical products?
Yes. If you design, specify, modify or advise on engineering solutions, professional indemnity is essential — even for physical manufacturing businesses.
+- Are prototype and in-development items insured?
With the correct contract works or project cover in place, prototypes and partially completed items can be insured.
+- Does insurance cover failure after installation?
Product liability and professional indemnity can respond to post-installation failures, depending on the cause and policy structure.
+- How quickly can cover be arranged?
Many bespoke engineering policies can be arranged within 24–72 hours, subject to underwriting review of your projects.

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