Marketing software firm YellowBrick Solutions has secured $3.9 million in additional venture capital, company officials told The News & Observer.

YellowBrick, which announced Biltmore Estates, Phillips Investment Resources and North State Communications as its first customers earlier this year, closed on $6.2 million in February.

Investors include Artai Luxemborg and P3, a venture capital firm in the Netherlands, according to The N&O.