"Figure 3: Summary of mergers and acquisitions in the UK by UK companies, Quarter 1 (Jan to Mar) 2006 to Quarter 4 (Oct to Dec) 2016","" "","" "","" "Notes","1. At Quarter 1 (Jan to Mar) 2010 the deal identification threshold for the mergers and acquisitions surveys was raised from £0.1 million to £1.0 million. There is therefore a discontinuity in the number of transactions reported as illustrated above 2. For Quarter 1 (Jan to Mar) 2016 the provisional quarterly estimates for the number and value of domestic mergers and acquisitions (M&A) comprising of independent-controlled companies and those involving subsidiaries have not been published to avoid any potential disclosure. Historically, domestic M&A involving independently-controlled companies represent the majority of the total number of completed domestic M&A. " "Unit","Number" "","" "Period","Independent","Subsidiaries" "Q1 2006","163","44" "Q2 2006","166","42" "Q3 2006","135","28" "Q4 2006","164","37" "Q1 2007","159","32" "Q2 2007","158","54" "Q3 2007","209","49" "Q4 2007","172","36" "Q1 2008","136","36" "Q2 2008","158","25" "Q3 2008","77","27" "Q4 2008","74","25" "Q1 2009","59","29" "Q2 2009","41","18" "Q3 2009","43","19" "Q4 2009","55","22" "Q1 2010","50","17" "Q2 2010","70","25" "Q3 2010","58","22" "Q4 2010","65","18" "Q1 2011","51","25" "Q2 2011","75","19" "Q3 2011","71","26" "Q4 2011","79","27" "Q1 2012","49","13" "Q2 2012","65","16" "Q3 2012","55","7" "Q4 2012","47","14" "Q1 2013","23","16" "Q2 2013","53","15" "Q3 2013","55","17" "Q4 2013","44","15" "Q1 2014","32","8" "Q2 2014","37","14" "Q3 2014","32","10" "Q4 2014","49","7" "Q1 2015","36","11" "Q2 2015","43","16" "Q3 2015","50","10" "Q4 2015","65","14" "Q1 2016","..",".."