Professional Services
The Professional Services department underpins Landmark’s market‑leading environmental risk and sustainability consultancy offerings.


Professional Services Team
We deliver specialist expertise to a wide range of clients – including law firms, property developers, investment managers and private individuals – supporting them in navigating complex environmental and sustainability requirements.
Our dedicated Customer Service team ensures seamless support at every stage, whether assisting with individual orders or connecting customers with the appropriate specialists for tailored guidance.
Our consultancy team spans the full spectrum of environmental risk and sustainability services. Within environmental risk management, we provide everything from initial screening reports and bespoke consultancy to strategic portfolio‑wide assessments. Our sustainability specialists deliver comprehensive ESG and Net Zero advisory services, as well as ESG risk management reporting, helping clients meet regulatory expectations and achieve long‑term sustainability goals.
Meet the team
Professional Services exists to provide clarity where complexity remains, and the strength of the team lies in the people delivering that work.
Constance Alderson Blench
Head of Professional Services at Landmark Information Group. With over 12 years of experience in environmental consultancy, Connie joined Landmark as an environmental consultant in 2017, primarily conducting environmental audits and flood risk assessments. Over the past 6 years she has taken on leadership roles, and has been instrumental in the delivery of a number of key projects –…
Sally Redman
Sally is the Net Zero Lead at Landmark Information Group, driving the organisation’s decarbonisation strategy and helping clients define and deliver their net zero ambitions. She supports organisations in collecting and interpreting emissions data, translating it into credible near term and long-term targets aligned with climate commitments. With over a decade of experience in environmental risk management—now expanded to…
Trish Van Soesbergen
Trish is Landmark’s ESG Lead Consultant and has a proven track record in carbon accounting, sustainability strategies, and regulatory compliance. She excels in developing and implementing comprehensive ESG solutions, leading customer support teams, and driving sustainability initiatives. Trish is passionate about delivering measurable impact through innovative ESG frameworks.
Patrick Speer
Consulting Lead. Coming from a background in regulatory and environmental consultancy, with a focus on noise risk and building services. Patrick joined Landmark in 2023 as Environmental Reports Team Lead, where he held responsibility for the delivery of Landmark Legal’s desktop reports. Over his time at Landmark he has developed a keen interest in Biodiversity and has…
Tom Leckey
Tom joined Landmark in 2016 as an Assistant Consultant and has since progressed through a range of consulting roles. Over this time, he has developed extensive experience in environmental liability and risk assessment, covering work from flood risk and contaminated land assessments through to due diligence reporting for multi‑billion‑dollar M&A transactions. In his current role…
Sam Hackett
Samuel is a Senior Consultant at Landmark Information Group with 15 years’ worth of experience. He is currently Landmark’s Technical Lead for contaminated land and environmental auditing. A Chartered Environmentalist, he focuses on the technical delivery of environmental due diligence, helping clients navigate environmental risk in property transactions. Known for his pragmatic and commercially aware…
Max Rooke
Max joined Landmark Information Group in 2024. Prior to joining Landmark, he built a strong technical foundation across the geoenvironmental/ geotechnical sector.Since joining, he has established himself as a key contributor within the contaminated land consultancy team. He helps actively shape best practice across contamination projects, helping to maintain high, consistent technical standards and consultancy‑led…
George Hearn
Joined Argyll Environmental in 2021 following the completion of his undergraduate degree in BSc Environmental Sciences. During his time at the company George has embedded himself as a core member of the team providing an established opinion for contaminated land and flood risk reports. George has also branched out into the ESG reporting team, helping in…
Dillon Fiolet
Dillon first joined Landmark in 2019 on a student placement as part of his MSc in GIS and Environmental Management. Following this, he progressed into an Environmental Consultant role, specialising in spatial data analysis. Since then, Dillon has played a pivotal role in bridging the consultancy team with Landmark’s wider data functions. He leads on…
Hannah Parr
Operations Manager. Hannah joined Landmark Legal in 2012 as a Customer Service Advisor, with over 10 years Customer Service experience. Over the following 14 years, she progressed into leadership roles within the Service team, recently being promoted to Operations Manager. In this role, she now oversees our Customer Service and Environmental Report teams, focussing on delivery,…
George Phelps
George is a Customer Service Team Lead with seven years’ experience in the Legal Customer Service Team. He began as a Customer Service Advisor and now leads the team, bringing over 11 years of customer experience expertise, including more than eight years in the conveyancing industry. George has a strong passion for leadership and management and prides himself on…
Doug Allen
Environmental Reports Team Lead – Doug joined Landmark as an Environmental Consultant in 2022. Using his experience gained delivering contaminated land, flood and climate change risk assessments, Doug has played a key role in the remastering of our environmental reports and internal systems. More recently Doug has progressed into a leadership role, taking responsibility for…
Caitlin O’Sullivan
Caitlin has been with Landmark for seven years, moving from Customer Services to Senior Customer Services Advisor. She enjoys the people side of her role, listening, solving tricky queries and supporting clients and resellers from first contact through to resolution. Day to day she handles complex cases, keeps customers updated, and works closely with colleagues across Product, Consultancy and supplier…
Sam Warrior
Customer Success Consultant Sam joined Landmark Legal’s Customer Service team in 2017 with over 10 years of previous customer service experience. She has built up a wealth of knowledge on Landmark’s reports which she uses to answer customer inquiries and support her colleagues. Sam now spends the majority of her time with the Customer Success team, focusing on the Landmark Academy…
Orla Gannon
Assistant Consultant at Landmark Information. Joining landmark in 2023, Orla primarily delivers contaminated land and flood reports, as well as being a key contributor to our ESG team. Her passion for sustainability and the natural world, combined with her strong research skills, are helping to drive development of our expansion into the field of Biodiversity…
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