Marko Grönholm has officiated 119 matches on record, averaging 1.2 cards and 5.3 fouls per game — a lenient official. A player is dismissed roughly once every 9 games, and the spot is pointed to 0.06 times per match. Home teams win 49% of matches under him, drawing 26% and losing 25%. Most active in the Veikkausliiga (75 matches). 31% of his bookings come after the 75th minute, with the first card around the 40'.