“I have worked with Mark on focus group and survey work. His background knowledge and deep insights help us make the most of any research, allowing us to understand not only what people do but why they do it.”

“Mark is adept at drawing out killer insights from complex data. He combines research and policy expertise with a refreshing ability to communicate in plain English”.

“Great team, great work and great insight. Most importantly a great team to work with. Thank you all.”

“Mark is one of Scotland’s foremost political pollsters and analysts. Through a period of huge political change through referendums and elections, he has kept his finger on the pulse of Scottish voters and provides STV with expert analysis and commentary.”

“First-class service and have recommended your services to others.”

“I worked with Mark over a period of time. I always found him to be a rigorous analyst who provided penetrating and objective insights.”

“Mark’s insights and experience on a range of political issues including Brexit and Scottish independence are incredibly helpful and useful for us as we plan ahead to identify and understand the risks facing the bank.”

"Excellent service.”

“Mark has contributed to both Holyrood magazine and Holyrood events. He brings a respected and authoritative voice which compliments Holyrood’s reputation for in-depth policy analysis and non-partisan political intelligence and I would have no hesitation in recommending his work to others. Mark is someone I seek out to discuss the ever shifting political landscape and to gain an inside track on what Scots are really thinking.“

”Thank you for always being willing to help and being flexible.”

"Diffley Partnership demonstrated a very good understanding of our organisation's knowledge requirements and business processes, as well as an appreciation of the wider public sector context in Scotland, as it related to the research topic. We received valuable advice and suggestions on research objectives and question styles and formats, and Diffley Partnership were easy to contact and communicate with. Research findings were prepared timeously (and to tight deadlines) and data was provided in an accessible format, with plenty of opportunities for discussion and assistance regarding insights generation and narrative."

"Great detailed report produced, useful insights, great customer service from Mark - thank you!"

"Our sector can be tough to understand, but you have provided us with valuable insights that strengthen our ability to engage decision-makers.2