Our Company

About Delta-Simons

Our Company

Delta-Simons is a multi-disciplinary environmental and health and safety consultancy providing trusted advice and solutions to ‘Protect People and Planet’ through facilitating sustainable development.

We work with clients from multiple sectors including; industrial, commercial & residential developers, retailers, industrial manufacturers, fund managers, institutional investors, hi-tech companies, the public sector and charitable organisations. For the past 30 years, our team has provided a holistic suite of commercially astute environmental services and advice, designed to mitigate risk to both people and the environment, whilst removing the pain from planning or maintaining buildings and/or assets.

As part of the Lucion Group, we are a national provider with regional presence with a team of 600 employees, the majority of whom are field-based technical specialists with skillsets in 50+ environmental consultancy services, including hazardous materials, ecology, air and water services, geo-environmental and sustainability among others.

Our team of trusted consultants provide critical insight into environmental challenges and develop the framework of solutions for you to plan and develop sustainably. We provide tailored solutions and embed best practices so that you can progress your project with complete confidence.


Our timeline



Company formed

Delta-Simons first formed as a joint venture with Delta Environmental Consultants, Minneapolis, USA and Simons Group of Lincoln, UK




Delta-Simons was acquired and formed QDS Environmental Limited



Demerge & Relaunch

Demerged from QDS Environmental Limited.  Delta-Simons Environmental Consultants relaunched as an independent Limited company



Regional - Norwich

First regional office opened in Norwich



Regional - Durham

Regional office opened in Durham to support client base in North East



Regional - various

Regional offices opened in Manchester, Leeds, London and Dublin



Regional - Nottingham

Regional office opened in Nottingham to support client base in Midlands



Regional - various

Regional office opened in Birmingham.  Leeds and Manchester regional offices move to larger premises to support growth of teams.



Regional - various

Regional office opened in Bristol to support client base in South West. Durham office moves to larger Newcastle address.




Acquired by Lucion Group



Regional - Various

Regional office opened in Dublin to support or Ireland operations. Newcastle office moves to Lucion Group Head Office. 


Delta-Simons acquires Ground Engineering Limited.