Meulenkamp was runner-up in both the 2011 Isle of Man Open and England Open. He was also a semi-finalist in the 2011 Mariflex Open, a quarter-finalist in the 2011 German Open and Belgium Open. He also enjoyed quarter-final spots in the 2010 Winmau World Masters and 2010 Zuiderduin Masters and reached the Last 16 in the 2011 BDO British Open and BDO International Open.

Meulenkamp attempted to acquire a PDC tour card at Q School in January 2014, but failed to finish in the top four on any given day or in the top 24 on the Order of Merit. However, for competing in the event he secured PDPA Associate Member Status which gave him entry to the UK Open and European Tour Qualifiers as well as the Challenge Tour. He failed to qualify for the UK Open, but in March won the second Challenge Tour event by edging out Alan Tabern 5–4. Meulenkamp reached the last 16 of a PDC Pro Tour event for the first time at the fourth Players Championship where he lost 6–5 to Ian White and went one better later in the year at the final event when he was eliminated in the quarter-finals 6–3 by James Wade.

As the second-highest non-qualified European player on the Pro Tour Order of Merit, Meulenkamp played in his first PDC World Championship in 2015. He faced Mark Webster with finishing proving to be the weakness in both players' games as they missed 64 darts at doubles between them. Meulenkamp had a checkout percentage of 19% and was beaten 3–1 in sets. He lost in the final of the Apatin Open to Boris Krčmar.

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