A sprawling aerial view of a test track facility with multiple oval and winding driving courses, surrounded by dense forests and green areas, under a clear sky.

Millbrook

Millbrook features over 70 km of diverse tracks, including high-speed circuits, 4×4 trails, alpine routes, and more. The site also boasts cutting-edge facilities for testing automated, connected, and electric vehicles, with expanded battery laboratories as well as specialized crash and fire testing centers.

Proving Ground & Laboratories

Located midway between London and Birmingham, UTAC’s Millbrook site stands as one of the UK’s most advanced vehicle testing and development centers. The site is a leader in electrification and future mobility, boasting a recently expanded battery test center designed to meet the growing demands of electric vehicle development. Millbrook also features specialized laboratories for crash and fire testing, gradient testing, and facilities dedicated to connected and automated vehicle technologies. With cutting-edge infrastructure and expert teams, Millbrook supports automotive innovation across traditional and emerging mobility sectors.

A wide aerial view shows a green landscape with a complex system of roads, roundabouts, and wooded areas under a clear blue sky.

More than 70 km of unique tracks

A sleek, silver sports car, possibly a BMW i8, is driving on a high-banked test track or circuit. The track surface is light-colored with dashed lines, and a guardrail with a yellow stripe runs along the top of the banking. Green trees and an overcast sky are visible in the background.

High speed circuit, hill routes, cross country

Workshops & offices

Experts in special vehicles and defense testing

Key Figures

51 tracks
70 km suitable for any vehicle test
4x4 routes

Aerial view of a winding gravel track snaking through a landscape of trees and dry grasses. Distant buildings are visible on the horizon.

Our Services

Services we offer at Millbrook

Our Services

UTAC’s Millbrook site ranks among the UK’s most advanced vehicle testing and development centers. Boasting over 70 km of diverse, purpose-built tracks—including high-speed circuits, 4×4 trails, alpine terrain, and durability loops—Millbrook provides a comprehensive environment to evaluate vehicles under a wide range of real-world conditions. The site is also at the forefront of electrification and future mobility.

Active & Passive Safety

Our safety testing ensures vehicles protect occupants and prevent accidents through advanced system validation and crash testing.

An empty car body on a test rig in a brightly lit laboratory or test track with rows of overhead lights.

Corporate Events

From intimate gatherings to large-scale conventions, our teams are equipped to support events of all sizes ranging from 10 to 5,000 participants across our sites in France, Finland, Morocco, and the UK.

An aerial view of a large outdoor event or gathering on a dirt or gravel field, featuring numerous cars, tents, and people. A line of green trees marks the horizon in the background.

Durability

Our testing simulates long-term wear to validate vehicle performance, structural integrity, and reliability over time.

A vehicle chassis without a body is being tested in a laboratory setting with complex machinery and measurement devices. A wheel is prominently featured in the foreground.

Homologation

We guide you through complex international regulations to secure type approval and market access for your vehicles and components.

Technician working on a white vehicle in a modern testing facility – open hood visible.

Emissions

A white car is positioned on a dynamometer inside a modern, brightly lit testing chamber, with large exhaust hoses connected to its rear. The room features white walls, bright overhead lighting, and various testing equipment and sensors around the vehicle.

Certification

From suppliers to service providers, our certification processes guarantee quality and reliability across the entire automotive supply chain.

Futuristic autonomous vehicle driving through a modern city with skyscrapers – symbol of future mobility.

Electrification

Electromobility is accelerating, and UTAC is here to keep you ahead of the curve. From battery testing to full EV validation, our advanced facilities and expert teams ensure your electric vehicles meet global standards and exceed customer expectations.

An aerial view of a large industrial facility with several buildings and open areas, surrounded by trees and a rural landscape.

Components

We rigorously test individual parts to guarantee durability, reliability, and compliance under real-world conditions.

Technician testing a car seat on a test rig in a modern lab – quality assurance and ergonomic testing.

Special Vehicles

We support the complete vehicle development process, from design to final testing, with engineering excellence.

Off-road vehicle driving through muddy terrain – close-up of tires in action during test.

Cold Climate

Pushing vehicles to perform in extreme winter conditions, because mobility must work in every climate.

Car driving through a snowy winter landscape – test or drive under winter conditions.

Simulation

Speed up development and reduce costs with UTAC’s powerful simulation services. From ADAS to autonomous driving, our virtual testing tools support rapid validation, regulatory acceptance, and safer system design without compromising on accuracy.

A photograph of a driving simulator, featuring a small, urban electric vehicle on a platform in front of a large, curved screen. The screen displays a rural road with trees, simulating a realistic driving environment. The vehicle has text like "StreetDrone" and logos from Renault and NVIDIA.

Rental

Private track hire is available at all our centres in the UK, France, Morocco, and Finland, catering to a wide range of uses including testing, filming, and shooting projects.