As the industry debates the role of standardisation in MMC, NG Bailey’s Mark Griffin, explains why OSM – NG Bailey’s rebranded offsite manufacturing offering – believes good engineering should remove decisions from site, not multiply them and how its productled approach makes that possible.
As offsite manufacture accelerates across the built environment, we believe the industry is reaching an important point of differentiation. On one side sits low-value, catalogueonly MMC – fixed products, limited flexibility, and standardisation driven by convenience rather than performance. On the other is a more mature, engineering-led approach, one we believe that recognises that true industrialisation does not eliminate complexity but manages it intelligently.
OSM’s approach to offsite manufacture is defined by intent, discipline, and leadership. It is built on a simple belief: standardisation should be a foundation for performance, not a constraint on it.
Design once. Improve continuously
At the heart of our model is mastery, the discipline of understanding what happens most often and engineering it once. We focus on high-frequency site assemblies and recurring engineering challenges, capturing hard-won experience and converting them into proven standard products. This has created a brochure of standardised products, not generic catalogue items, rather they are engineered building blocks designed to perform reliably in real-world conditions.
Our standard products form the foundation of every solution we deliver but not the limitation. They reduce risk, accelerate delivery, and establish a consistent baseline for quality. Just as importantly, they free up engineering resource to focus on elements that genuinely add value, rather than repeatedly solving the same problems on every project.
Engineering expertise applied where it matters most
Unlike catalogue-led MMC, where choice often replaces judgement, our model applies bespoke engineering selectively and intentionally. Customisation is introduced only where it improves performance, manages risk, or extends the capability of the standard.
This is enabled through OSM Consult, our consultancy service that provides expert guidance across all stages of a project. From early MMC strategy and feasibility studies through to BIM modelling and engineering technical management, OSM Consult ensures that the right decisions are made early — and engineered in, rather than left to be resolved on-site.
Discipline through controlled manufacture
By engaging upstream, OSM Consult helps clients unlock the full potential of their project with a clear focus on offsite manufacture. It allows bespoke engineering to be applied precisely where it adds the most value: managing constraints, resolving interfaces, and shaping solutions that enhance performance without undermining repeatability.
This is how we ensure every solution is repeatable, but never cookie-cutter. The architecture is standardised – the application is not. Interfaces, constraints, and performance requirements are understood and engineered upfront, rather than being pushed onto site teams to resolve under pressure. The result is a portfolio of solutions that can be industrialised without becoming commoditised.
Offsite manufacture ultimately succeeds or fails on discipline. By moving work from site into a controlled manufacturing environment, we reduce variability, improve quality, and increase productivity. Controlled processes are not simply an operational preference but are the foundation of a sustainable model. Through this discipline we enable predictable outcomes, whether reliable margins, repeatable performance or continuous learning, it allows us to look at each iteration and strengthen the standard. Over time, this creates a learning-curve advantage that catalogue-only MMC cannot replicate.
Industrialisation that respects complexity
Our approach to offsite manufacture is not about stripping projects back to the lowest common denominator, it’s about applying industrial thinking to complex environments with intent, judgement, and engineering rigour. By combining standardisation with performance-led design, we deliver solutions that scale without losing intelligence. Solutions that repeat without becoming generic. And an offsite manufacturing model that creates lasting value, not just faster build times, but better outcomes. That is standardisation with intent. And performance by design.
Find out more at: www.ngbailey.com/ engineering/offsite-manufacture
