External Certifications

POS
Quattro Plant is proud to hold a full certificate for Network Rail’s On-Track Plant Operator’s Scheme (POS), which controls the safe planning, control and use of on-track plant. Only organisations holding a POS certificate are permitted to manage plant operations on Network Rail infrastructure.

Rail Industry Supplier Qualification Scheme
Quattro Plant is qualified by audit by the Railway Industry Supplier Qualification Scheme (RISQS), as an approved supplier of services to the UK rail industry.
FORS Accredited
Quattro Plant is a member of the voluntary Fleet Operator Recognition Scheme, which is helping to improve the fleet’s performance across safety, fuel efficiency, vehicle emissions and other factors.

Supply Chain Sustainability School
Quattro Plant is just one of 75 businesses to have achieved a Gold standard with the Supply Chain Sustainability School.

UVDB Accredited
Quattro Plant is accredited with a UVDB verification, allowing the organisation to provide services to national utilities suppliers. The accreditation is dependent on independent audits of Health and Safety, Quality and Environmental management systems.

External Certifications
Quattro Plant is certified to ISO 9001, ISO 14001, ISO 45001, a certified quality management system which proves Quattro Plant's ability to consistently provide products and services that meet customer needs.

The Rail Plant Association
Quattro Plant is currently an active member of the Rail Plant Association, which looks after the interest of members that hire specialist plant and equipment for use on the railway infrastructure.
The Contruction Plant-hire Association
Quattro Plant is a member of the Construction Plant Association, the leading trade association and the UK's principal contact for construction plant.

Registered Waste Carrier
Quattro Plant is a Registered Waste Carrier for the Environment Agency.

Constructionline
Quattro Plant has been awarded a gold level accreditation with the service, the highest level available. Constructionline is the UK’s leading procurement and supply chain management service.
Manufacturing Supply Chain Management
Quattro Plant is proud to utilise cutting edge supply chain management software to identify and mitigate risk within supply chains throughout the Group.

Safety in Procurement
Quattro Plant is proud to be a member of the Safety Schemes in Procurement (SSIP) scheme, designed to assess contractors’ abilities against nationally recognised health and safety criteria, whilst reducing complexities relating to tendering and PQQ paperwork.
Latest News
A first for UK rail: Quattro Plant upgrades Komatsu dozers
28 Oct 2026, 16:06
Quattro Plant has completed a major upgrade programme on two Komatsu D41 dozers, bringing the machines into compliance with…
OCTOBER OFFER - CPCS RED TO BLUE
19 Oct 2026, 17:00
Trained with QOTA before? Then we have an offer for you! If you completed your CPCS Red Card training with us, you can…
QOTA GOES VIRTUAL WITH CPC DRIVING COURSE
19 Oct 2026, 09:00
Our training academy is now offering a new Virtual Reality Driver CPC training course at any location (including yours!)…
Quattro delivers end-to-end support for Charing Cross renewal
25 Aug 2026, 09:42
Quattro delivers end-to-end support for Charing Cross renewal
Quattro supports major Charing Cross renewal by taking out old platforms
19 Aug 2026, 13:08
Quattro mobilised multiple teams of operators, staff and RRVs for a major 22-day possession at Charing Cross, supporting…
Congratulations to Quattro op Connah and his wife, Shannon, on their wedding day!
4 Aug 2026, 09:01
When Connah asked Quattro MD, John Murphy, if an RRV could be part of their big day at The Leagate Inn, Coningsby, his answer…