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Custom Engineering for Bioprocessing

Custom bioprocess totes, trolleys and cleanroom equipment, engineered around your process rather than our catalogue.

BagBox engineers custom bioprocess totes, trolleys and cleanroom equipment for pharmaceutical and biopharma manufacturers. Where our standard range does not fit your SUT bag system, SOP or facility footprint, we modify it or design the unit that does. The same engineering team builds thermoplastic cleanroom equipment, from cleaning stations and gowning room furniture to shadow boards, made to measure for your facility.

Why Biopharma Manufacturers Choose BagBox

  • Category Heritage

    Our engineers hold the original design lineage for the thermoplastic bioprocess tote, and that depth informs every custom build we take on.

  • Rapid Prototyping

    Approval-ready technical drawings within weeks of brief intake, and cleanroom-ready prototypes shortly after, so projects keep pace with your programme.

  • Dedicated Engineering Owner

    Custom enquiries route to our engineering team, not a sales inbox, so you speak to the people who build the unit.

Our Engineered Solutions for Biopharma

We supply customised bioprocess totes and trolleys as well as purpose-built cleanroom equipment, engineered around your process.

1. Custom Totes & Trolleys

Thermoplastic totes and trolleys from 50L to 1500L, configured or re-engineered around your bag system.

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    Cleanroom Totes

    Harvest and Hold

    Our 50L to 1500L cleanroom totes are re-engineered around your 3D bag, with dimensions, port positions, drainage and Smart Door access modified to suit.

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    Transport Totes

    Suite-to-Suite Transfer

    Transport totes from 50L to 1500L, custom-engineered for your transfer routes with lockable ports, reinforced frames and serialised identification built to your security requirements.

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    Bioprocess Trolleys

    In-Suite Mobility

    We adapt our 50L to 500L trolleys to your facility, engineering working height, castors, brakes and Smart Door configuration around your corridors and operators.

2. Custom Cleanroom Equipment

Thermoplastic cleaning, gowning and storage equipment, made to measure for your cleanroom.

How a Bespoke Project Runs

Every bespoke and customised project follows the same structured path:

  • Brief Intake

    You share your drawings, bag specification, process step and target lead time. The more detail you can provide up front, the faster the engineering team can move. A dedicated intake form ensures the right information reaches the right people without delay.

  • Engineering review

    Our engineers assess feasibility against your specific SUT bag system, facility geometry and SOP requirements. We confirm the approach, flag any constraints, and propose the customisation tier that best fits your brief and timeline.

  • Approval-ready drawing.

    A full CAD-based technical drawing is produced and shared with your team for sign-off before any fabrication begins. This step protects your process and gives your validation and procurement teams the documentation they need from day one.

  • Cleanroom-ready prototype

    Where applicable, a physical prototype is built and shipped for on-floor validation, typically within weeks of drawing approval. Your team tests fit, tube routing, drainage and ergonomics under real operating conditions before committing to full production.

  • Production and delivery

    Approved units are fabricated at our Kings Bromley facility using in-house CNC machining and assembly. Working with thermoplastic rather than stainless steel means shorter lead times, faster iteration, and a production process that scales cleanly from single units to fleet deployments.

  • Documentation and Delivery

    Every unit ships with serialised identification, technical drawings, bill of materials, and care and cleaning guidance. We support inputs for IQ and OQ, change control and audit readiness, with delivery across Europe and North America and ongoing lifecycle support available post-deployment.

Engineer the Unit Your Process Needs

We start with your process, not our catalogue. Most custom work falls into one of three tiers. A Configured Standard takes a catalogue product and sets height, castors, port positions, Smart Door and branding to your site. A Customised Variant modifies an existing tote, drum or trolley around a specific bag system or constraint. A Fully Bespoke Build is engineered from a clean sheet, which is also how every piece of custom cleanroom equipment begins.

Material selection is an engineering decision, not a default. The thermoplastics used across our tote range are ADCF and USP Class VI compliant, gamma irradiation compatible, and specified for the cleaning agents used in routine GMP procedures. Smooth, sealed, non-shedding surfaces clean quickly and do not corrode, and thermoplastic fabrication allows geometry that would be costly or impractical in welded stainless. Where high structural loads, elevated temperatures or other process conditions favour stainless steel, we will say so at the engineering review. The aim is the right material for your application, whichever that turns out to be.

Bespoke enquiries go straight to our engineering team at Kings Bromley, who respond with feasibility and a proposed approach within two working days. You do not need a finished specification to start. Send a drawing, a photo, or just a description of the problem, and we will tell you which tier fits, whether thermoplastic is the right material, and how quickly the unit can be built.

Frequently Asked Questions