In a significant development within the AI technology sector, Oakley Capital has acquired a majority stake in Graphwise, marking a notable event in Bulgaria’s software market history. This acquisition underscores the increasing value and strategic importance of AI data platforms, as private equity firms recognize their potential in driving innovation and growth. The transaction highlights the industry’s focus on leveraging AI technologies to enhance data management capabilities among global enterprises.
Graphwise has its roots in the merger of two veteran companies specializing in semantic technologies: Ontotext from Sofia and Vienna’s Semantic Web Company. This union in 2024 created a formidable leader in the field of RDF knowledge graphs and semantic layer technologies. Unlike past developments, this merger showcases strategically significant organic ARR growth, unlike other regional firms that have stagnated. Graphwise’s growth has been consistently above 30% per year, a testament to its adaptation to the rapidly changing AI landscape.
Why Did Oakley Capital Pursue Graphwise?
Oakley Capital’s interest in Graphwise stems from its reputation as a cornerstone of AI data infrastructure, serving over 200 leading international clients across multiple sectors. The acquisition represents a growth opportunity for Oakley, aiming to enhance Graphwise’s global reach and impact. The decision reflects a broader strategy to invest in promising AI technologies that provide scalable and sustainable solutions for data-driven organizations.
What Does This Mean for Graphwise?
The acquisition of Graphwise offers it a new chapter of expansion and development. With Oakley Capital’s backing, Graphwise plans to pursue further international expansion and augment its acquisition strategy. The collaboration is set to leverage Oakley’s experience in transforming technology-oriented ventures, aiming for elevated market influence and diversified product offerings. Atanas Kiryakov, Co-founder of Graphwise, welcomed the move, expressing enthusiasm about Oakley Capital’s historical success in growing founder-led firms.
Portfolion Capital Partners has exited from Graphwise through this transaction, having been part of an investment consortium since 2022. This exit illustrates the dynamics of venture capitalism whereby early investors realize returns from rapidly developing tech entities. Portfolion’s contributions in building Graphwise’s platform into an international player with genuine, commercially sustainable value were acknowledged by Deputy CEO Jenő Nieder.
Graphwise’s expansive reach into AI infrastructure across financial services, pharmaceuticals, and public sectors uniquely position it for heightened competitive advantage. Oakley Capital’s future strategies will likely focus on integrating advanced AI solutions into traditional industry processes, expanding their operational workflows, and embracing AI-driven innovations.
The transaction signals continued significant interest from private equity in AI advancements, emphasizing the critical role of data organizations in the broader digital economy. Stakeholders are keen to capture the benefits AI technologies can bring, such as increased efficiency and novel insights into data usage, marking an essential step forward for both companies.

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