For at least fifteen years, department stores have been navigating a structural decline. Footfall in city centres has fallen in every measured year since 2009. Spending on fashion, department stores’ core category, has contracted. And the pandemic accelerated a migration to online shopping, compressing a decade of change into two years.

The industry’s initial response was to bolt e-commerce onto the existing model. What started as a modest add-on — often an experiment operated on the same principles as the traditional stores — soon grew into a parallel business with fundamentally different cost structures. Against in-store conversion ratios of 25% or more, online hovered at 1–2%. Against sales per square metre, online invoked profit per transaction. Against expectations of bottom-line profit, online demanded years of loss-funded growth. Department store companies found themselves running two business models simultaneously: one built on real estate and people, the other requiring heavy investment in systems, fulfilment, and digital marketing. Integration proved expensive, profitability remained elusive — even for the pure players — and the admittedly complex model of the traditional department store proved inadequate for a truly omnichannel operation.

The IADS Academy 2021 cohort framed this situation in scientific terms: the existing paradigm can no longer solve the problems. The question is no longer whether to become omnichannel, but how to move beyond integration into something more deliberate, precise, and profitable. The answer lies in four interconnected shifts:

• From channel ubiquity to journey optimisation,
• From channel-based P&Ls to customer-centric financial architecture,
• From uniform store networks to precision-engineered physical assets,
•  From inherited commercial models to purpose-built omnichannel ecosystems.

The article below reviews five years of IADS research, the current state of academic knowledge and the latest business articles on the topic, including research by Dr Christopher Knee, Honorary Advisor of the Association, and Professor Robert Rooderkerk, Academic Advisor of the Association.

IADS Exclusive:The next chapter of Omnichannel, from integration to reinvention

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