Allan has over 20 years consultancy experience, working with companies, governments and NGOs to help them make better evidenced plans and decisions and leads eftec’s work on economic valuation and appraisal.

Much of his work has focussed on the valuation of environmental impacts and the use of this evidence in economic appraisal and evaluation, socio-economic analyses, natural capital assessments, and decision-making in general. Recently his work has included research on the "value of information" in relation to company reporting and the disclosure of non-financial information to the investment sector.

Allan has conducted around 100 primary economic valuation studies applying revealed preference, stated preference and subjective wellbeing methods across environment and planning, agriculture and forestry, water and marine, infrastructure and utilities, transport, cultural heritage, and business regulation sectors. He has also led various practical benefits assessments, including economic analyses supporting UK Government biodiversity and nature recovery targets. Previously, Allan led the team that developed the corporate natural capital accounting framework for the Natural Capital Committee, and he have written guidance for valuing environmental impacts in project and policy appraisals for UK Government.

In the water sector Allan has worked with companies and regulators on their customer engagement activities, helping to support strategic investment planning for water resources, drainage and wastewater, and the regulatory price control process.

Allan have been a Director of eftec for 10 years, helping to grow the team and business as a successful and well-respected consultancy in the UK and beyond.