

UK grocery regulators investigate Amazon’s payment practices as supplier complaints threaten retailer’s market expansion
Three Key Facts
- Amazon faces UK regulatory investigation over alleged payment delays to suppliers spanning March 2022 to June 2025, following complaints about violations of the Groceries Supply Code of Practice.
- Potential £300 million penalty exposure as the GCA can impose fines of up to 1% of UK turnover, based on Amazon’s projected 2025 sales of £77.1 billion.
- Less than half of suppliers report compliance according to the GCA’s 2024 annual survey, where fewer than 50% of Amazon suppliers believed the company “consistently” followed the code.
Introduction
The UK’s Groceries Code Adjudicator has launched a formal investigation into Amazon over alleged payment delays to suppliers. The probe centers on potential breaches of paragraph 5 of the Groceries Supply Code of Practice during a three-year period from March 2022 to June 2025.
The investigation targets Amazon’s compliance with mandatory prompt payment rules designed to protect suppliers from financial risk. Adjudicator Mark White states the regulator has “reasonable grounds” for suspicion based on evidence from multiple unnamed sources.
Key Developments
The GCA initiated this investigation nearly a year after warning Amazon to take “swift and comprehensive action” to improve compliance with industry rules. The regulator had previously threatened formal investigation if Amazon failed to address supplier payment issues.
The probe examines Amazon’s goods receipt and payment processes, management of supplier payment concerns, and use of deduction settlements in commercial negotiations. While the investigation covers Amazon’s entire designation period since March 2022, it focuses primarily on practices since January 2024.
White emphasizes that alleged payment delays “could expose Amazon suppliers to excessive risk and unexpected costs, potentially affecting their ability to invest and innovate.” The GCA oversees Britain’s 14 largest grocery retailers to ensure fair treatment of suppliers.
Market Impact
Amazon’s aggressive expansion positions it to become the UK’s largest retailer by gross merchandise value in 2025. The company projects sales of £77.1 billion, surpassing Tesco’s expected £76.1 billion for the same period.
The investigation coincides with Amazon’s significant growth in the UK grocery sector, where edible grocery sales increased 17.6% in 2020. This growth stems from substantial investments in logistics infrastructure, rapid delivery capabilities, and digital service integration.
For investors, the immediate financial risk appears limited despite potential penalties. The broader concern centers on reputational damage, operational disruptions, and enhanced regulatory oversight affecting supplier relationships.
Strategic Insights
The investigation reflects growing regulatory scrutiny of tech giants’ supplier treatment practices. This aligns with global trends toward tighter digital market regulations and increased antitrust enforcement against dominant market players.
Amazon’s market dominance creates unique challenges in supplier relationship management. The company’s scale and logistics capabilities provide competitive advantages, but also attract regulatory attention when suppliers report compliance issues.
The probe highlights tensions between aggressive growth strategies and regulatory compliance requirements. As Amazon expands its grocery market share, maintaining supplier trust becomes increasingly critical for operational continuity.
Expert Opinions and Data
Adjudicator Mark White calls the supplier feedback crucial to the investigation process. “The alleged delays could expose Amazon suppliers to excessive risk and unexpected costs, potentially affecting their ability to invest and innovate,” he states in announcing the probe.
The GCA’s 2024 annual survey reveals persistent compliance concerns, with less than half of Amazon’s direct suppliers believing the company “consistently” or “mostly” complied with the groceries code. This data supports the regulator’s decision to launch formal proceedings.
According to Investing.com, the investigation examines potential violations during the specified timeframe, with the GCA encouraging suppliers to share confidential feedback about their experiences.
Amazon previously announced several improvements for grocery suppliers, including clearer cost price increase explanations, minimum de-listing periods, and upgraded invoice dispute handling systems. However, these measures appear insufficient to address ongoing regulatory concerns.
Conclusion
The GCA investigation represents a significant regulatory challenge for Amazon as it pursues UK market leadership. While potential fines of up to £300 million remain manageable for the retail giant, the broader implications for supplier relationships and market strategy present more substantial concerns.
The probe underscores the regulatory risks facing dominant tech companies as they expand into traditional retail sectors. Amazon must balance aggressive growth objectives with compliance requirements to maintain its competitive position in the UK grocery market.