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Sirius Environmental

from Engineering Design, through to Environmental Assessment/Permitting and Construction Project Management and Quality Assurance, our consulting services covers the full scope of your project requirements offering a truly turn-key solution.

Engineering Design

conceptual, and detailed design modelling, stability and drainage analysis, landfill containment, earthworks, environmental control systems, recycling, energy infrastructure, highways and civil engineering

Feasibility Studies

ground investigations, conceptual designs, environmental due diligence, financial modelling and liability assessments

Topographic Surveys

detailed terrain modelling, site layouts, earthworks modelling volumetric assessments and materials balance, setting out, as-built drawings and services tracing

Environmental Monitoring

sampling, analysis, interpretive reporting, emissions inventory and regulatory compliance

Construction Project Management

tender documents and specification preparation, procurement and tender assessment, contract administration, valuations and claims, Principal Designer role

Environmental Permit Applications

variations, transfers, surrenders, reviews and full applications for all types of waste management, energy and industrial processes

Construction Quality Assurance

site supervision, method statements, validation and regulatory liaison

Environmental Assessment and Compliance

environmental audit, stability, noise, hydrogeological, gas and nuisance & health risk assessments

Design and Environmental Engineering services

Having been part of the Sirius Group of companies since its formation in 2009, Stratus Environmental is re-branding as Sirius Environmental and Sirius Planning in order to provide a more comprehensive high quality consulting service across all business sectors served by the Sirius Group.

Highly experienced with an exemplary track record, our multi-disciplinary team of consultants and environmental engineering experts offer an extensive range of sustainable development services to a wide range of companies, with particular strengths in waste management, natural resources, brownfield redevelopment and  energy.

Our environmental engineering and consulting provision covers the full scope of your project requirements from design, through to environmental and technical assessments, permitting, construction project management and quality assurance offering a truly turn-key solution.

For our planning related services please see Sirius Planning.

Sustainable development, simplified

All of our senior environmental consultants have stood in your shoes, so we work from the unique position of a client’s perspective. Our first-hand development experience enables us to deliver innovative solutions to ensure the best possible project outcomes – simplifying even the most complex of challenges.

Working with clients both in the UK and overseas, our consultancy team bring together skills from a variety of operational and developmental backgrounds, including chartered civil engineers, geologists, waste managers, surveyors and environmental professionals

What can our environmental engineering consultants do for you?

We support you throughout the entire project lifecycle, from initial concepts to final delivery, including:


  • Ground investigations
  • Conceptual designs
  • Environmental due diligence
  • Financial modelling and liability assessments


  • Environmental audit
  • Stability
  • Noise
  • Hydrogeological
  • Gas
  • Nuisance & health risk assessments


  • Variations
  • Transfers
  • Surrenders
  • Reviews
  • Full applications for all types of waste management, energy and industrial processes.


  • Conceptual and detailed design modelling
  • Stability and drainage analysis
  • Landfill containment, earthworks, environmental control systems
  • Recycling, processing and energy  infrastructure
  • Highways and civil engineering.


  • Tender documents and specification preparation
  • Procurement and tender assessment
  • Contract administration
  • Valuations and claims
  • Principal Designer role.


  • Site supervision
  • Method statements
  • Validation and regulatory liaison


  • Sampling
  • Analysis
  • Interpretive reporting
  • Emissions inventory
  • Regulatory compliance.


  • Detailed terrain modelling
  • Site layouts
  • Earthworks modelling
  • Volumetric assessments
  • Materials balance
  • Setting out
  • As-built surveys
  • Services tracing

Our service offering is unique and can be designed to suit the exact requirements of the client. This could be in the form of a complete turn-key appointment, or the provision of specific individual elements where the project management role is fulfilled by the client, e.g. provision of technical assessment support services only.

We don’t consider ourselves a provider, because our development relationships are built on sustainable partnerships. We work as part of your team, focusing on your success, every step of the way.

If you require environmental consulting or engineering support to ensure you meet  your project objectives, please contact our environmental and engineering consultants on via any of our UK offices

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Our Sectors

Sirius provides a full range of development services to our clients across several industry sectors.

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Our Environmental Clients

Let’s discuss your projects

Whatever stage you’re at, Sirius Group can help!

Send us a quick enquiry or call a local office, offices listed below.

How can we help?