McCann FitzGerald Deploys Harvey Firmwide

McCann FitzGerald becomes Ireland's first law firm to roll out Harvey AI across all lawyers and professional staff, March 2026.

The Irish law firm McCann FitzGerald has deployed Harvey, an AI platform built for legal work, across its entire organisation. The rollout, completed in March 2026, makes McCann FitzGerald the first law firm in Ireland to adopt Harvey firmwide. The deployment covers all lawyers and professional teams at the firm, which is headquartered in Dublin.

This move marks a notable shift in how Irish law firms are integrating AI into legal practice. It signals that enterprise-wide AI adoption is no longer limited to global firms and is now reaching leading regional legal markets.

The Rollout Background

McCann FitzGerald's work with Harvey began in early 2024. The firm's Project Services Group led an initial pilot, which included a comprehensive review of emerging technologies and their potential applications in legal practice.

Following that review, the firm expanded Harvey's use beyond the pilot group to include lawyers and professionals across all teams. The current announcement confirms a full firmwide deployment, completing a process that took approximately two years from initial engagement to full rollout.

The timing also coincides with Harvey's planned opening of a Dublin office in April 2026, reflecting the company's broader investment in the Irish and European legal markets.

What Harvey Does

Harvey is an AI platform designed specifically for legal workflows. At McCann FitzGerald, it is being used to deepen legal analysis, speed up the extraction of insights from large volumes of material, and streamline complex document-heavy processes.

The firm has been clear that the technology supports, rather than replaces, professional legal judgment. All work produced with AI assistance remains subject to review and quality checks by qualified lawyers before it reaches clients.

Stephen Holst, Managing Partner at McCann FitzGerald, explained the firm's position directly: "By equipping every lawyer and professional across the firm with Harvey AI, McCann FitzGerald is ensuring that its people have the best available tools to enhance the depth and precision of their work. The technology underpins the firm's legal expertise; it does not substitute for it."

Adoption Strategy

McCann FitzGerald has structured its rollout to avoid the risks that come with rapid, unplanned technology adoption. The firm put in place a firmwide strategy designed to ensure that new technology strengthens client service while also supporting the professional development of its lawyers.

This approach addresses a common concern in legal AI adoption: that tools deployed without proper governance can introduce errors or reduce the quality of legal work. By maintaining existing standards of professional review, the firm has built oversight into the deployment from the start.

The firm has not disclosed specific figures on the number of lawyers or staff covered by the rollout, or the financial terms of its agreement with Harvey.

Harvey's Expansion

Harvey, whose CEO and Co-Founder is Winston Weinberg, has been expanding its presence among law firms globally. The McCann FitzGerald announcement is part of that broader growth, particularly in Ireland and Europe.

Weinberg commented on the partnership: "McCann FitzGerald has built a strong reputation for excellence and thoughtful innovation in legal practice. Their firmwide rollout reflects a clear commitment to equipping lawyers with technology that strengthens the quality and depth of their work."

Harvey's upcoming Dublin office, opening in April 2026, will be a base for supporting law firms and legal teams across Ireland. The office opening follows the McCann FitzGerald rollout and suggests the company is prioritising the Irish market as part of its European expansion.

The legal AI sector has seen rapid growth in recent years. While exact market figures were not provided in the source materials, the move by a firm of McCann FitzGerald's standing adds to a growing list of established law firms committing to AI at an organisational level rather than as a limited experiment.

About McCann FitzGerald

McCann FitzGerald is one of Ireland's leading law firms, headquartered in Dublin. The firm serves clients across corporate, financial, and commercial legal matters. It operates through a network of lawyers and professional staff and has built a reputation for working across complex, high-value transactions and disputes in the Irish legal market.

About Harvey

Harvey is an AI company that builds technology specifically for legal professionals. Its platform is designed to support legal analysis, document review, and workflow management for law firms and in-house legal teams. Harvey is backed by venture investment and has been expanding its client base among law firms across the United States, Europe, and beyond. Its planned Dublin office, opening in April 2026, marks its first dedicated presence in Ireland.

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