A Merger Between a Company and Itself
On September 9, Cegid and Silae announced plans to merge into a single European software group worth more than 10 billion euros in enterprise value. Cegid sells accounting, tax and business management software, plus the Shine digital banking service it bought earlier. Silae runs payroll and HR for roughly 6,000 accounting and payroll partners. Combined, the new group says it will serve 2 million end-customers, work with more than 15,000 chartered accountancy firms, and process 13 million payslips a month across Europe, with Silae alone already producing 8 million of those for nearly 1 million French businesses.
What makes this merger unlike most of the deals in this category: Silver Lake has owned Cegid since 2016 and already controls Silae. It is not buying a rival. It is combining two things it already owns.
Why That Detail Changes the Review
EU merger control exists to catch changes of control that could concentrate market power. When the same owner already controls both companies before and after a transaction, there is no change of control to review, and EU competition authorities generally treat that kind of internal combination as outside the merger notification regime. Cegid's own announcement lists exactly one mandatory process before the deal can close in the first half of 2027: consultation with employee representative bodies, alongside unspecified regulatory approvals.
An employee consultation is a labor-law safeguard for the people who work at the two companies. It is not a review of what happens to the 2 million businesses whose accounting, tax, payroll and banking data is about to sit inside one combined platform.
The Reach in Numbers
The two companies do not overlap much in what they sell, which is exactly why combining them raises a different question than a normal competitor merger would. It is a question of concentration by function rather than concentration by market: one login, one vendor, one incident report, for both the ledger and the paycheck.
| Metric | Cegid | Silae |
|---|---|---|
| What it sells | Accounting, tax, business software, digital banking (Shine) | Payroll and HR |
| Partners or accountancy firms | 15,000+ chartered accountancy firms | 6,000+ partners |
| Monthly payslips processed | Part of 13 million combined | 8 million on its own |
| Businesses reached directly | Included in 2 million combined end-customers | Nearly 1 million in France alone |
What an Existing Customer Should Actually Watch
A chartered accountant running Cegid for a client's books and Silae for that same client's payroll will, after the merger closes, depend on one company for both. Cegid's new chief executive, Christian Pedersen, framed this as the point: an integrated platform across accounting, payment, payroll and HR data. For a customer, that is also the definition of a single point of failure, a single renewal negotiation, and a single outage that stops both the books and the paychecks on the same afternoon.
None of that is unusual for a vendor consolidation. What is unusual is that the deal reaching that scale, across two systems that between them already touch a meaningful share of French and European small business finance, clears the ownership test for a full merger review before it even starts, simply because one firm already owned both sides.
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