About us

Andrew brings more than 15 years’ experience in the ecology sector, having been pivotal to SES’s growth into a leading multidisciplinary consultancy. With a strong background in strategic land and large-scale development, he is passionate about place-making and demonstrating that development and nature can coexist. His leadership has driven the delivery of nationally significant projects, with extensive experience across all stages of planning, land promotion and site allocation, construction-phase delivery and post-completion monitoring.

Notable achievements include the award-winning Kingsbrook development in Aylesbury, recognised as a biodiversity net gain (BNG) best-practice case study. Andrew’s team continues to deliver ecological enhancements that benefit wildlife and residents.

Andrew is also a leader within SES’s habitat creation team, combining expert ecological knowledge with hands-on experience in habitat delivery. His deep understanding of BNG enables him to provide strategic advice to developers, landowners and stakeholders, ensuring that projects result in pragmatic and deliverable schemes.

Stuart is passionate about creating and delivering new business opportunities across SES’s portfolio of services. He has a proven track record in innovation and utilising new and emerging markets.

Alan looks after the day-to-day business operations at SES, such as HR, compliance, business support and IT. Before SES, he worked in operations management in the insurance industry and is qualified in human resources management. Alan enjoys the variety his role at SES brings and looks forward to helping the business deliver its goals for the future.

Rob has been working in environmental consultancy as an ecologist for more than 16 years. He joined SES in 2024, having worked with a wide variety of public- and private-sector clients. Although he specialises in ecology, his technical knowledge includes environmental net gain and natural capital. Rob regularly manages and coordinates large-scale botanical surveys, UK Habitats Classification and National Vegetation Classification (NVC) studies. His specialist interest in upland and aquatic habitats resulted in becoming river habitat survey  Environment Agency accredited, and River Condition Assessment (RCA) River MoRPh accredited. He has significant experience in protected and invasive species surveys and is a frequent speaker at conferences and external training events on protected species, biodiversity net gain and invasive species and biosecurity. Rob has worked under licence for various protected macrophyte and macroinvertebrate species (tentacled lagoon worm, slender naiad, floating water plantain, river jelly lichen) and holds Natural England class licences and/or European protected species mitigation/disturbance licences for great crested newt, white-clawed crayfish, water vole and badger.

Jessica has more than a decade of experience in ecological consultancy. She specialises in managing ecological assessments and mitigation for projects ranging from small commercial developments to nationally significant infrastructure projects. Jessica has Natural England survey licences for bats, dormice and great crested newts and is a registered consultant under the bat mitigation class licence. She leads SES’s ecology team, delivering services such as UK Habitat Classification surveys, protected species surveys, ecological impact assessments and mitigation planning. With expertise in project management, licensing and team leadership, Jessica ensures efficient project delivery and high-quality outcomes for clients. She is an associate member of the Chartered Institute of Ecology and Environmental Management (CIEEM), holds an MSc in species identification and survey skills and a BSc (Hons) in zoology from the University of Reading.

Gary’s love for trees began with tree surgery. Later, he worked as a tree officer and consultant for local authorities in Essex and London. Since 2018, Gary has led the Arboriculture division of SES, where he continues to grow the business, bringing passion and innovation to the team.

Rachel is a Chartered Landscape Architect with 25 years’ experience in landscape planning and design. She joined SES in 2017 to establish the SES landscape team. Rachel has worked extensively with the private and public sectors on a wide variety of mixed-use, residential, commercial, education and healthcare projects from feasibility, assessment and masterplanning through to detailed design and management. This work has supported the allocation of land through the local plan process and has assisted in obtaining planning permission for schemes of varying scale and sensitivity including sites in the green belt, protected landscapes and conservation areas.

Rachel has a strong background in developing creative, practical and cost-effective landscape solutions, with an eye for detail. She has a particular interest and expertise in green infrastructure and ecology-led design, from biodiversity in the urban environment to landscape-scale habitat creation, and is passionate about the benefits of landscape for both people and wildlife.

Darren is one of the longest serving members of SES, with ten years’ experience in ecological consultancy, managing projects from small commercial developments to nationally important infrastructure projects. He has Natural England licences for barn owls, badgers and great crested newts. Hs is passionate about ornithology and specialises in ornithological evaluations, impact assessments and mitigation schemes related to all species. Darren has overseen more than 200 licensed badger closures and has delivered reports to guide clients through the process. Darren’s expertise in ornithology, project management and team leadership ensure successful outcomes for SES and its clients.

With seven years’ experience in ecological consultancy, Sarah specialises in designing and delivering comprehensive ecological survey programmes and holistic mitigation strategies for our clients, supporting them throughout the planning cycle, from masterplan development to on-the-ground ecological mitigation delivery and monitoring. She is particularly focused on delivering ecological strategies for major strategic development sites. A further key focus of her role is to develop and update standard working procedures for the company, following published guidance, disseminating key messages to the wider team and ensuring that SES’s consistent high standards of delivery are maintained. Sarah’s key areas of technical expertise lie in bats, birds, biodiversity net gain and technical reporting. She holds survey licences for bats and great crested newts. She is passionate about contributing to biodiversity conservation and shaping development to benefit both people and wildlife.

Josey is a full member of CIEEM. She holds survey and class licences for badgers, hazel dormice and great crested newts. She is also a named ecologist for great crested newts and hazel dormice and works closely with these species on intricate mitigation strategies, also specialising in complex urban badger schemes. When not in the field, Josey primarily focuses on training and mentoring junior colleagues, having developed SES’s ecological graduate and training programmes.

Natalie leads the project coordination team. With more than 12 years’ experience in project management and coordination, Natalie brings a wealth of expertise to the team. She joined SES in 2021, working with our infrastructure, development and rail clients. She oversees the planning, execution and delivery of projects and initiatives in ecology and habitat management. Working closely with stakeholders, clients and interdisciplinary teams, Natalie ensures that every project meets regulatory standards and is completed on time and within budget. Natalie leads and has grown the project coordination department to be a key driver in SES efficiency. Her background in construction, engineering and the built environment informs her unique perspective on managing complex, multidisciplinary projects and navigating the technical challenges of large-scale developments.

Nikki has more than 25 years’ experience in the landscape industry. She has worked in the public and private sectors, with extensive experience in creating ecologically diverse planting schemes for new build plots, public parks and play areas.

Alex has more than 15 years’ experience. He is adept at quoting, estimating and bidding on diverse projects from large-scale infrastructure and multihousing developments to forestry, woodland management and council projects. Alex’s expertise in arboriculture includes forestry, woodland management, site clearance, creation and habitat management. He is skilled in aerial tree inspections for bats, building hibernacula and creating artificial badger setts. With a strong foundation in project and contract management, Alex is a skilled leader who effectively manages teams and delivers projects. He works closely with client relations, principal contractors, engineers and consultants.

In 2019, Jack joined SES after 8 years working in domestic and commercial arboriculture. He initially joined as a lead climber in the arboriculture contracting team and quickly developed an interest in ecology. Over the last few years, he has worked on a variety of arboriculture, ecology and habitat projects from small scale development to major infrastructure.

Jack’s current role is predominately site-based, this involves organising and supervising our habitat maintenance and creation projects ensuring all work is delivered efficiently and to the highest standard. He is responsible for the day-to-day management of site-based teams, liaising with clients and completing all necessary paperwork.

Dan joined SES back in July 2024 as Habitats Contracting Foreman, he is a our Equipment and Plant Supervisor, also our Tractor and Plant Operator. Dan has been working in Agriculture and Arboriculture for 7 years and has gained many skills along the way in the industry, working on major infrastructure projects both commercial and domestic up and down the country. Dan’s current role is site based, organising and supervising Sub Contractors and the Habitats Team, ensuring work is delivered efficiently and to the highest standard.

Edward has recently joined the Habitats team at SES with a clear ambition to develop his practical skills in countryside management. He is motivated by the desire to help provide safe havens for native species at a time when habitat destruction is increasing due to the growing demand for new buildings and infrastructure developments.

Edward has volunteered on RSPB reserves for several years, giving him a strong foundation in countryside management, and he is excited to continue learning and developing his skills within SES. In his spare time, he enjoys birdwatching, running, and practising his guitar skills.

What began as a passing interest in geographic information systems (GIS) and the early development biodiversity net gain (BNG) policy quickly snowballed into Chris becoming the technical lead for these areas, heading a new department and dedicated team. While he occasionally escapes the virtual world to assist with site surveys and mitigation works, Chris remains the key driver of all things BNG and GIS.

Jennifer’s passion for the outdoors and mapping led her to become a GIS consultant at SES.

Her expertise are in translating ecological survey data into impactful geospatial insights, including biodiversity net gain (BNG) planning requirements, for our diverse range of clients from individual self-builds, to largescale infrastructure projects.

Sven has a background in law and is a a Field Identification Skills Certificate (FISC) Level 5 botanist. He occasionally undertakes surveys and provides advice about botany to anyone who will listen.

Nancy organises and supports the day-to-day operations of the company, providing assistance to team members and communicating with new and existing clients. She monitors and administrates internal and external mailing and documents, quotations and invoices. She has to be flexible in her role and often cooperates with the project coordinators and finance team. She manages the company’s website, including our marketing and social media. With over 20 years’ experience in the publishing industry and a BA (hons) in art and design, Nancy’s creativity skills execute eye-catching company designs. 

Helen is a qualified Chartered Accountant and has worked for SES for more than five years. She worked in practice during her training contract and switched to commerce and industry, working in advertising and later in the public sector, including working for a special needs school.

Gail has been working for SES for just over 2 years and loves working in finance. Previously, she worked in the city for 14 years. She loves the outdoors and her daily routine to Hylands Park with her dog.

Harry focuses on supporting the financial operations of the business. His role involves managing day-to-day accounting tasks, including a significant amount of credit control, therefore liaising with customers and the operations team.

Laura has more than 25 years’ experience in providing comprehensive and effective administration support to the businesses. She runs the office space and incorporating functions, which support all aspects of the business, including facilitation of HR, administration, project support, fleet and equipment and IT. She develops and maintains effective working relationships and actively supports key HR initiatives across the business. Laura oversees the application of core HR processes across employees’ life cycles.

Elisha is SES’s SHEQ Advisor and brings a strong background in health, safety, environmental, quality and administration across the construction, rail and infrastructure sectors. An IOSH member with experience supporting large-scale projects, she works closely with teams across the business to maintain high standards of compliance, training and day-to-day SHEQ support. Elisha is known for her practical approach, attention to detail and willingness to support others, and enjoys being part of a collaborative team environment.