Piper Jaffray Companies is a leading investment bank and asset management firm. The company was founded in 1985 and provides services to both US and international clients. Today, Piper Jaffray Companies announced its completed purchase of Seattle-Northwest Securities Corporation. The transaction marked additional depth to Piper Jaffray's public finance franchise. This would enable the company to diversify its services toward municipal and middle market customers across all major markets in the US.

Seattle-Northwest was established in 1970 as a leading underwriter for municipal securities. The company ranked no.1 in terms of transactions in the Pacific-Northwest last year. The sales and trading units of the company has distributed fixed income securities nationwide.

Andrew Duff, chairman and CEO of Piper Jaffray said in a statement that the company is pleased to welcome Seattle-Northwest. He added that the acquisition of the company demonstrated progress in Piper Jaffray's growth strategy.

After the completion of the deal, Piper Jaffray has now a total 369 employees in 39 US offices.