Ng Bailey, officially known as Ng Bailey Limited, is a leading independent engineering, construction, and services company headquartered in the United Kingdom. Established in 1921, the company has built a strong reputation across various operational regions, including England, Scotland, and Wales. Specialising in mechanical and electrical engineering, as well as facilities management, Ng Bailey is renowned for its innovative solutions and commitment to sustainability. The company’s core services include building services, infrastructure, and energy management, setting it apart through its focus on quality and customer satisfaction. With a rich history of key milestones, Ng Bailey has consistently positioned itself as a market leader, recognised for its expertise and reliability in delivering complex projects. Its dedication to excellence has earned numerous accolades, solidifying its status as a trusted partner in the construction and engineering sectors.
How does Ng Bailey's carbon action stack up? DitchCarbon scores companies based on their carbon action and commitment to reducing emissions. Read about our methodology to learn more.
Mean score of companies in the Construction Work industry. Comparing a company's score to the industry average can give you a sense of how well the company is doing compared to its peers.
Ng Bailey's score of 72 is higher than 85% of the industry. This can give you a sense of how well the company is doing compared to its peers.
In 2025, NG Bailey reported total carbon emissions of approximately 10,313,000 kg CO2e, with Scope 1 emissions at about 4,343,000 kg CO2e, Scope 2 emissions at approximately 357,000 kg CO2e, and Scope 3 emissions comprising business travel (1,466,000 kg CO2e), employee commute (4,023,000 kg CO2e), waste generated in operations (28,000 kg CO2e), and upstream transportation and distribution (96,000 kg CO2e). The company has set ambitious climate commitments, aiming for a 50.4% reduction in absolute Scope 1 and 2 greenhouse gas emissions by FY2031 from a FY2019 baseline. Additionally, NG Bailey is committed to achieving net-zero emissions across its value chain by FY2045. This includes a target for 75% of its suppliers, by spend, to have science-based targets by FY2027. Previously, NG Bailey aimed for a 20% reduction in Scope 1 and 2 emissions by 2018, demonstrating a consistent commitment to lowering its carbon footprint. The company is actively working towards reducing its Scope 1 and 2 emissions to near zero by the mid-2020s, reflecting its dedication to sustainability and climate action. Overall, NG Bailey's climate strategy aligns with industry standards and reflects a proactive approach to addressing climate change, with a clear focus on significant emissions reductions and supplier engagement.
Access structured emissions data, company-specific emission factors, and source documents
| 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | |
|---|---|---|---|---|---|---|
| Scope 1 | 5,538,000 | 0,000,000 | 0,000,000 | 0,000,000 | 0,000,000 | 0,000,000 |
| Scope 2 | 7,687,000 | 000,000 | 000,000 | 000,000 | 0,000,000 | 0,000,000 |
| Scope 3 | 1,930,000 | 0,000,000 | 000,000 | 000,000 | 0,000,000 | 0,000,000 |
Climate goals typically focus on 2030 interim targets and 2050 net-zero commitments, aligned with global frameworks like the Paris Agreement and Science Based Targets initiative (SBTi) to ensure alignment with global climate goals.
Ng Bailey has established climate goals through participation in recognized frameworks and target-setting initiatives. Companies often set interim 2030 targets and long-term 2050 net-zero goals to demonstrate measurable progress toward decarbonization.


Common questions about Ng Bailey's sustainability data and climate commitments