• Pomerantz LLP has opened an investigation into EPAM Systems (NYSE:EPAM) over potential securities fraud or unlawful business practices.
• The probe relates to a disclosed ramp down in business from EPAM's largest NEORIS customer and the associated revenue impact.
• The investigation focuses on whether EPAM or its management may have engaged in misconduct connected to this customer relationship.

EPAM Systems is an IT services and consulting company, so a sharp reduction in revenue from a major client can be especially important for how investors view its business mix and customer concentration. When a large customer pulls back, questions often arise about contract terms, disclosure quality, and how quickly the company can adjust its operations and sales efforts.

For investors, this investigation adds a legal and reputational overhang on top of the commercial impact from the NEORIS ramp down. It can be useful to monitor any company statements, the timing of updates, and how EPAM describes its client exposure, while also weighing this event against individual risk tolerance and investment time horizon.

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The Pomerantz investigation lands at a time when EPAM is already working through a contract-specific headwind from its largest NEORIS customer, so it puts extra focus on how management communicated that risk. For you as an investor, the key questions are whether disclosures around this client were clear and timely, and whether the revenue impact lines up with prior commentary. The context here is important. EPAM has just completed a US$223.5m buyback covering 2.1% of shares, reported quarterly revenue of US$1,407.55m and full year revenue of US$5,457.06m, and issued 2026 guidance with revenue growth and operating margin ranges. That mix of capital returns, current earnings and forward guidance can signal management’s view of the business, while the investigation tests investor confidence in governance and transparency. The NEORIS issue also sits alongside recent initiatives like the North American launch of its AI-focused Empathy Lab unit, so you are weighing client concentration and legal risk against product expansion and guidance detail. In the short term, sentiment may hinge less on the legal process itself and more on how consistently EPAM’s future updates reconcile the NEORIS impact with its stated 2026 targets.

How This Fits Into The EPAM Systems Narrative

• The focus on a large client ramp down directly ties into the narrative’s emphasis on client diversification and resilience, highlighting why spreading revenue across industries and geographies matters.
• A securities fraud investigation could challenge the thesis that EPAM is a preferred long-term transformation partner if investors start to question disclosure quality or the reliability of reported client wins.
• The legal angle around NEORIS is not fully captured in the existing narrative, which concentrates more on AI-driven growth and margin progression than on potential governance or litigation overhangs.

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The Risks and Rewards Investors Should Consider

• ⚠️ Legal and reputational risk from the Pomerantz investigation, which could weigh on sentiment if it progresses or prompts further claims.
• ⚠️ Client concentration risk highlighted by the NEORIS ramp down, which puts attention on how diversified EPAM really is versus large global peers such as Accenture, Cognizant and Infosys.
• 🎁 EPAM recently completed a US$223.5m buyback for 1,160,000 shares, which signals management’s willingness to return capital and may matter for investors who track capital allocation.
• 🎁 The North American launch of Empathy Lab and AI-focused engagements with global brands point to EPAM’s attempts to win higher value work in areas where many enterprises are increasing interest in AI-powered solutions.

What To Watch Going Forward

From here, watch how EPAM updates the market on the investigation, including any findings or changes to disclosure practices, and how consistently it quantifies the NEORIS impact in future quarters. It is also worth tracking whether new client wins and AI-related projects through Empathy Lab offset any perceived concentration risk, and how management’s 2026 revenue and margin guidance evolves against that backdrop. Share repurchase activity and any commentary on capital allocation can provide further clues on how the board views the risk and reward trade off. Finally, keep an eye on how EPAM positions itself versus large IT services competitors such as Accenture, Cognizant and Infosys, especially around AI and high value transformation work.

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This article by Simply Wall St is general in nature. We provide commentary based on historical data and analyst forecasts only using an unbiased methodology and our articles are not intended to be financial advice. It does not constitute a recommendation to buy or sell any stock, and does not take account of your objectives, or your financial situation. We aim to bring you long-term focused analysis driven by fundamental data. Note that our analysis may not factor in the latest price-sensitive company announcements or qualitative material. Simply Wall St has no position in any stocks mentioned.