Microtecnica Read More

Portfolio Companies

Stirling Square Capital Partners has a reputation as a pro-active investment manager in the international middle-market, targeting superior growth through transformational value creation across its targeted markets and sectors.

We have invested in nineteen portfolio companies since our formation in 2002 and with seven significant bolt-ons this has involved twenty-six major acquisitions. Our current portfolio consists of eleven businesses, employing in aggregate over 5,000 staff and generating over €1 billion in annual revenue.

Current portfolio companies include:

AD Industrie

AD Industrie is a leading French manufacturer of complex, critical sub-assemblies and components for the aerospace, defence, and energy markets.

Mettis Aerospace

Mettis is a leading international provider of precision forged and machined components used in the aerospace sector.


Viscolube is Europe’s leading regenerator of used motor oil.


Siblu owns and operates 16 large, premium 4* holiday parks in France, close to popular holiday destinations.

National Fostering Agency

NFA is the leading independent provider of fostering services across the UK.

Vision Ophthalmology

Vision Ophthalmology Group is a high value-add speciality healthcare solutions business operating in the ophthalmology sector.


Cartonplast Group GmbH is the leading global provider of plastic layer-pad closed loop logistic services used by the beverage, food and personal care products industries.


SAR AS is the leading provider of total waste management solutions for the Norwegian offshore oil & gas industry.


Portugal based Omni Helicopters International SA (“OHI”) is a helicopter services specialist that owns a fleet of medium- and heavy- lift helicopters and shareholding participations in helicopter operators servicing the oil and gas industry.


Jeckerson SpA is a leading brand in Italy’s leisurewear segment and the market leader in men’s premium trousers.


Axitea SpA is the leading provider of armed security services and electronic surveillance systems in the Italian market.

3SI Security Systems

Since 1972, 3SI Security Systems has protected assets for the Financial,
Retail, Law Enforcement, and Courier/CIT Industries.