Here is the latest research from Staffing Industry Analysts available to members:

WE Insight - Largest Staffing Firms in the Netherlands
Our list features staffing companies in the Netherlands with sales in excess of euro 22 million. Randstad is the market leader with a market share of 22.4% followed by USG People (10.3%) and Adecco (3.4%).

WE Insight - Staffing Brand Identifier
Confused by changing brand names or want to know who owns what. This Insight sets out the brands and major subsidiaries of the European headquartered firms.