Opio raises €4M Seed to automate the data-collection grind in financial due diligence

Opio (Paris) has emerged from stealth with a €4 million Seed round backed by Frst, Seedcamp, and Global Founders Capital (GFC), alongside angels including Arthur Waller (co-founder and CEO of Pennylane), Stanislas Polu (co-founder of Dust), and former professionals from HSBC, Deutsche Bank, and KKR investing personally. Founded in 2025 by Tristan Fulchiron and Olivier Chancé, the company is building an AI platform for Transaction Services and audit teams.

The product connects to deal data rooms, collects and structures target-company data — financial statements, management accounts, KPI files, contracts — and prepares due diligence analyses for the Transaction Services and statutory audit teams that would otherwise spend most of their time on that collection and organisation phase. The company reports that teams using Opio save approximately 27% of their time on due diligence engagements, and that the platform is already deployed at Forvis Mazars Group and BDO across 15 countries. International revenue represents 15% of Opio's total at seed stage.

The data-assembly bottleneck

Transaction Services due diligence has a consistent economic structure across major professional services firms. Senior advisers — with the sector expertise, the client relationship, and the judgment to assess whether a set of financials tells a coherent story — are the scarce and expensive resource. Junior staff spend the first days or weeks of an engagement in data rooms: collecting documents, reconciling figures across sources, normalising formats, and building the databases from which the analysis will eventually run.

That work is procedurally defined. It does not require judgment; it requires accuracy and persistence. It is the part of the engagement that junior professionals find least interesting and that clients pay for least willingly — and it is a direct precondition for the analytical work that follows.

Fulchiron: "A large share of junior professionals' time currently goes on collecting, checking and adjusting data before it can be interpreted. By automating that part of the work, Opio lets them spend their time earlier on analysis, judgement and client relationships."

Founders with public-sector and fintech roots

Tristan Fulchiron previously served as digital adviser to France's Minister of Interior and led engineering at the Ministry of Defence before moving to the private sector. Olivier Chancé was a founding engineer at startups in Brazil and France. The combination of institutional experience (understanding how large professional organisations run and what they need) and engineering depth is relevant for a product that must integrate with the data infrastructure of major audit and advisory firms.

The angel base is equally telling. Arthur Waller (Pennylane, France's B2B accounting software leader) and Stanislas Polu (Dust, the enterprise AI infrastructure startup) are both adjacent-category practitioners — respectively, the accounting workflow and the enterprise AI tooling that Opio's product sits alongside.

What the round funds

The €4 million covers three parallel tracks: engineering headcount, a second product targeting statutory auditors (distinct from M&A transaction services — a larger and more regulated market, planned for Q1 2027), and international expansion toward the UK and Germany. The explicit target — 50% of revenue from outside France within one year, from 15% today — is an aggressive internationalisation rate for a seed-stage company. Whether the platform's integration approach works as cleanly in UK and German audit contexts as in French M&A processes is the unstated assumption in that target.

Frst (formerly known as Frst Capital) is France's most active pre-seed and seed investor in B2B SaaS; its presence signals the fund is treating Opio as a category-defining bet in professional-services automation.