Innodata Inc. (INOD Quick QuoteINOD - Free Report) is increasingly being shaped by deeper, higher-value relationships with the world’s largest AI model builders, and its largest customer expansion could prove pivotal for 2026. Management disclosed during the third quarter of 2025 earnings call that it has received verbal confirmation for additional expansion with its largest customer, reinforcing confidence that current engagements are moving beyond pilot phases into scaled, recurring deployments.

This matters because Innodata’s largest customer already represents a meaningful share of revenue, underscoring the company’s “land-and-expand” model. In the third quarter of 2025, Innodata reported record revenue growth alongside margin expansion, indicating that incremental volumes from existing customers are flowing through with strong operating leverage. Management noted that six of eight major big-tech customers are forecasted to grow next year, several “quite substantially,” with budgets increasingly tied to 2026 training and evaluation spend rather than short-term experimentation.

The expansion opportunity is also broadening in scope. Innodata’s investments in high-quality pre-training data, agentic AI evaluation, and model safety are already translating into large, multi-customer programs that are expected to ramp primarily in 2026. Importantly, these capabilities deepen switching costs and embed Innodata more tightly into customers’ AI development pipelines, making expansions more durable over time.

While customer concentration remains a risk, the company’s growing roster of new big-tech wins and parallel expansion into federal and sovereign AI markets help balance that exposure. If the largest customer expansion materializes as anticipated, it could serve as a visible proof point that Innodata’s platform-driven model is entering a new phase of scalable, profitable growth in 2026.

INOD’s Competitive Landscape: Accenture and Cognizant in Focus

In the context of Innodata’s largest customer expansion, Accenture (ACN Quick QuoteACN - Free Report) , Cognizant Technology Solutions (CTSH Quick QuoteCTSH - Free Report) and Booz Allen Hamilton (BAH Quick QuoteBAH - Free Report) emerge as three highly relevant competitors. 

Accenture is increasingly active in AI data engineering, model training support and responsible AI frameworks, positioning it as a preferred partner for hyperscalers seeking integrated, enterprise-grade AI programs. With its ability to combine AI services, cloud infrastructure and advisory work, Accenture often competes directly for large wallet-share expansions within big-tech accounts.

Cognizant competes from a similar angle but with a stronger emphasis on long-term managed services. Cognizant integrates AI data pipelines, model operations and enterprise workflows, allowing Cognizant to embed itself deeply into customer ecosystems. While both Accenture and Cognizant benefit from scale and breadth, Innodata’s traction with its largest customer highlights how focused expertise in AI training, evaluation and pre-training data can outperform generalized platforms. Sustaining that edge will be critical as Accenture and Cognizant intensify AI investments ahead of 2026.

Booz Allen Hamilton adds another dimension by focusing on AI strategy, secure data pipelines, and federal AI deployments, and Booz Allen Hamilton is increasingly partnering on large, mission-critical AI programs where data quality and model governance are essential. While all three benefit from scale and breadth, Innodata’s specialized expertise in high-volume training data and evaluation workflows underscores how a focused value proposition can carve share from these multi-service competitors. As Accenture, Cognizant, and Booz Allen intensify AI investment ahead of 2026, Innodata’s ability to convert its largest customer expansion into long-duration, high-margin revenue will be critical.