Harborline Casino at a glance
Harborline has operated since 2016 and holds both a UK Gambling Commission and a Malta licence. It is the largest site in this comparison, with roughly 6,500 casino games sitting alongside a sportsbook that shares the same wallet.
The trade off is a cashier built around manual review. Every withdrawal passes a compliance check before processing, which is thorough but adds a day or more to the wait.
Welcome bonus and wagering terms
A £20 deposit returns a £50 bonus and 50 free spins. Wagering is 40 times the bonus, at the high end of what we see, and only selected slots contribute in full.
Table game play counts for 10% toward wagering, so blackjack and roulette players should treat the offer as a slots promotion or decline it at the cashier.
Deposits, withdrawals and payout speed
Both deposits and withdrawals start at £10, the lowest thresholds in our list, and there is no monthly ceiling at all. PayPal and Apple Pay are both supported, which still is not universal.
Our £800 test withdrawal to PayPal was requested on Monday morning and arrived Wednesday afternoon, 51 hours later. A second £300 request took 28 hours. Neither needed extra documents.
Games and software
Every major studio is present: NetEnt, Microgaming, Pragmatic Play, Red Tiger and Hacksaw Gaming, with Evolution running the live floor. Search and filtering hold up well at this library size, which is not a given.
The sportsbook covers 30 sports with in play markets and cash out. Odds are competitive on football and tennis, thinner on niche markets.
Support and responsible play
Chat is available around the clock with replies inside five minutes in our tests. Agents handled factual questions well but deflected questions about withdrawal timing to a template answer.
As a UKGC licensee the operator offers GamStop integration, deposit limits, reality checks and time outs, all reachable in two clicks from the account menu.

Sportsbook and casino sharing one balance is handy. Wagering on the welcome bonus is steep, so I skipped it.
Fine casino, slow cashier. My last two payouts both sat in pending review for a full working day before processing.
Nothing missing from the game list and the app is solid. Withdrawals always take about two days though, which feels dated.