The business is owned by retailer WH Smith.
In its interim results for the six months to 29 February, Funkypigeon.com grew sales by £1m to £18m, while its headline EBITDA doubled to £2m.
WH Smith, which filed total group sales up nearly 7.8% at £926m for the period, said: “We continue to see opportunities to grow the platform further and grow revenue and profits over the medium-term.”