Atamis Installs SaaS Veteran as CEO: Banyan’s Bet on Disciplined Growth

CARDIFF, United Kingdom – July 10, 2026

The announcement that Mike Hills will take the helm as CEO of procurement software firm Atamis is, on its surface, standard corporate procedure. A press release lands, congratulations are offered, and the market takes note of a new name in the C-suite. But to view this move as a simple leadership change is to miss the larger strategic current shaping the enterprise software landscape. The appointment is a clear signal from Atamis’s owner, Banyan Software, revealing a deliberate playbook designed to elevate a niche specialist in a fiercely competitive industry.

Atamis, a provider of source-to-contract procurement software, has carved out a formidable reputation, particularly within the complex ecosystem of the UK public sector. The transition, which sees Interim CEO Helen Evans return to her role as Director of Finance & HR, is smooth and well-managed—a sign of stability, not upheaval. However, the installation of a leader with what the company describes as “nearly twenty years of experience growing SaaS businesses” is a definitive statement of intent. This isn't about maintaining the status quo; it's about igniting the next stage of growth.

A New Playbook for a Niche Leader

The selection of Mike Hills is telling. While specific details of his past ventures remain closely held, his professional profile—a seasoned SaaS growth expert—is precisely the archetype that a firm like Banyan seeks out to execute its vision. The mandate is clear: take a company with a strong product and loyal customer base and apply the scaling methodologies honed over two decades in the software-as-a-service arena.

Hills’ own words in the announcement, though couched in standard introductory language, point to this directive. “I'm hugely excited to be joining Atamis,” he stated. “This is a business that customers genuinely value, with a team that really cares and serious ambition to build on an already strong foundation.” The key phrase here is “build on an already strong foundation.” For a SaaS veteran, this translates to leveraging existing customer value to expand wallet share, optimizing the platform to attract adjacent markets, and professionalizing the go-to-market engine for scalable, repeatable success.

His stated goal to “deliver even more value in the years ahead” will be tested against the evolving expectations of modern procurement teams. Today, value is not merely a function of software features. It is measured in tangible efficiency gains, quantifiable cost savings, and strategic insights that drive better decision-making. For Atamis, this means ensuring its configurable platform not only simplifies complex procurement processes but also provides the analytical horsepower to navigate supply chain volatility, meet ESG compliance mandates, and prove its ROI in every customer engagement.

The Banyan Software Blueprint for Growth

To fully grasp the significance of this appointment, one must understand the unique philosophy of Atamis’s parent company. Banyan Software is not a traditional private equity player. Its “buy-grow-and-hold-for-life” approach fundamentally alters the strategic horizon. Where most PE firms acquire companies to streamline, optimize, and exit within a five-to-seven-year window, Banyan establishes a permanent home for its acquisitions, focusing on long-term, sustainable development.

This model provides a stable foundation that is often a dream for customers and employees, shielding them from the disruptive cycles of repeated sales. Banyan’s Head of Northern Europe, Julie Koegenboeg, alluded to this strength, noting, “We look forward to Atamis' continued growth path and are confident Mike will play a key role in delivering it.” This confidence is rooted in a proven blueprint: acquire a strong vertical software business, provide capital and operational discipline, and install leadership capable of executing a long-term growth strategy.

Banyan’s stated mission includes helping its portfolio companies modernize through “shared AI expertise and operational discipline.” This is the hidden leverage in the Atamis-Banyan relationship. Hills' appointment is the mechanism to channel Banyan's resources and best practices into the Cardiff-based firm. The expectation will be disciplined, metric-driven growth that compounds over time, rather than a short-term surge aimed at attracting the next buyer. This patient capital allows for more thoughtful investment in product and people, but it also comes with the pressure of consistent, predictable performance.

Navigating the Crowded Procurement Tech Arena

Atamis operates in a market dominated by giants. Global players like SAP Ariba, Coupa, and Jaggaer command significant resources and market share, offering sprawling platforms that aim to be the single source of truth for all corporate spending. Against these titans, Atamis has succeeded by being a focused specialist. Its success, as Koegenboeg noted, is built on a “leading position in the UK public sector,” a notoriously difficult market to penetrate and serve effectively, alongside a roster of major private sector clients.

This niche focus is both a strength and a challenge. It has allowed the company to develop deep domain expertise and a product finely tuned to the specific needs of its core users. However, the major trends sweeping through procurement—AI-driven contract analysis, predictive supply chain risk management, and integrated ESG tracking—are being pioneered and scaled by its larger competitors. The challenge for Hills will be to infuse Atamis’s platform with this next-generation technology while maintaining the agility and customer-centricity of a smaller player.

Can Atamis leverage Banyan's “shared AI expertise” to leapfrog legacy systems and offer cutting-edge analytics without bloating its platform or alienating its base? Can it expand its footprint in the private sector without diluting the specialized focus that made it a public sector leader? These are the critical questions that will define the company’s trajectory under its new leadership.

The Execution Challenge: From Strategy to Value

The strategic logic behind bringing in a growth-focused CEO is sound. Banyan has placed its bet, and Hills is the chosen jockey. Now, the race begins. The immediate task will be to translate the high-level mandate for growth into a concrete operational plan. This involves a deep dive with customers and partners to understand, as Hills put it, “what matters most to them.”

Success will require a delicate balancing act. Hills must preserve the culture of a company where the “team really cares” while instilling the disciplined processes necessary for scaling. He must satisfy the demands of existing public sector clients, who value stability and rigorous compliance, while simultaneously pursuing the innovation needed to win new business in the dynamic private sector. The mission is not merely to grow, but to grow profitably and sustainably, building on the company's reputation for best-in-class service and continuous product development.

The installation of Mike Hills is the starting gun for Atamis’s next chapter. With the backing of patient capital and a clear mandate for expansion, the company is poised to build on its strong foundation. The ultimate test will be in the execution—transforming strategic ambition into measurable, long-term value for customers in an increasingly complex digital procurement world.