Global executive search firm Signium International has bought Tessera Executive Search, a retained-based executive search firm, with offices in Toronto, Canada, Dubai, the UAE and Jeddah, Saudi Arabia.

Tessera has been operating for nearly six years. Asad Haider, managing partner in Dubai, has worked for a number of multinationals including Procter & Gamble in Pakistan, Renault in Germany and Pepsi in Dubai.

Peter Grech, managing partner in Toronto, worked at a leading search firm before launching Tessera in Toronto. Based in its Toronto office, he recruited for clients in the financial services, hi-tech, professional services and manufacturing industries.