UK Online Slots sister sites
UK Online Slots is an online slots site operated by Jumpman Gaming Limited under UK Gambling Commission licence 39175. This review covers its Crown Jewels welcome offer, games and sister sites.
UK Online Slots Information
| Name | UK Online Slots |
| URL | ukonlineslots.com |
| #No. of Sister Sites | Well over 100 white-label sites in total on the same licence, none separately registered trading names |
| Owner/Operator | Jumpman Gaming Limited: La Corvee House, La Corvee, Alderney, Channel Islands, GY9 3TQ |
| UKGC Licence page | UKGC account 39175 (remote licence active) |
| Regulatory actions | None logged against this account |
| Other licence | Alderney Gambling Control Commission, for customers outside Great Britain |
| Trustpilot score | 3.2 out of 5 from 1 review, profile claimed since March 2020 (checked July 2026) |
| Support | Live chat and email support via the Jumpman network, standard ID/address/payment verification required before withdrawals |
UK Online Slots at a glance: 4/10
- Active UK Gambling Commission licence via Jumpman Gaming Limited, with no regulatory actions logged
- Over 700 slot games advertised, a larger-than-average library for a Jumpman skin
- A claimed Trustpilot profile, which is more transparent than the many unclaimed listings across this network
- Standard, clearly disclosed £10 minimum deposit to trigger the welcome offer
- Its one Trustpilot review is a 1-star complaint from January 2022 alleging a win on free spins that wasn’t paid out, describing the site as a “scam”
- The advertised “500 Free Spins” is the top prize on a randomised welcome mechanic, not a guaranteed amount every player receives
- Maximum bonus conversion is capped at your lifetime deposits, up to just £250
- One of well over 100 similarly-built white-label sites on the same licence, with no separately registered trading name of its own
Verdict: a bigger game library and a claimed Trustpilot profile are points in its favour, but the one review on record is a serious non-payout complaint that potential players should weigh carefully.
UK Online Slots sister sites
UK Online Slots shares its Jumpman Gaming Limited UK Gambling Commission licence with well over 100 other trading names, all built on the same underlying platform. Below is a randomly selected cross-section of 20 of those already reviewed on this site.
Buddy Slots sticks to a friendly buddy theme instead of chasing a bigger advertised game count, with the same standard Jumpman terms underneath.
Mr Wolf Slots trades the randomised Mega Reel for a guaranteed 100% match bonus up to £200, capped lower but more predictable.
UK Online Slots operator, Jumpman Gaming Limited
Jumpman Gaming Limited is based at La Corvee House, La Corvee, Alderney, and has held UK Gambling Commission account 39175 for remote casino and bingo licences since 1 November 2014, with no recorded sanctions against it. UK Online Slots’ own footer confirms this operator and account number directly, matching the register.
UK Online Slots review
Welcome offer
UK Online Slots brands its welcome mechanic as the “Crown Jewels Loot Chest” rather than the plain Mega Reel name used elsewhere on the network, though the underlying mechanic is the same one used across Jumpman sites. A first deposit of £10 or more unlocks the chest for a chance at up to 500 free spins, with the figure used in marketing being a ceiling rather than a guarantee. As with other UK-licensed sites, bonus conversion is capped at your lifetime deposits up to £250, and 10x wagering applies to any bonus won.
Games and branding
UK Online Slots advertises more than 700 slot games, a noticeably larger number than most Jumpman skins quote, built around a regal, crown-themed visual identity that carries through its welcome mechanic branding. The site draws on the same shared game library used across the network, so the larger advertised count likely reflects a broader catalogue listing rather than exclusive titles, but it’s still a wider spread than many stablemates offer on their homepage.
Licensing and customer support
UK Online Slots is licensed by the UK Gambling Commission under account 39175, held by Jumpman Gaming Limited, with the account number confirmed directly in the site’s own footer. For customers outside Great Britain, the site is regulated instead by the Alderney Gambling Control Commission. Card, Paysafe, PayPal and pay-by-mobile are all available for deposits, and withdrawals are subject to the usual Jumpman-network ID and payment verification.
Player sentiment
UK Online Slots has a claimed Trustpilot profile dating back to March 2020, which is unusually transparent for this network, but it carries only one review: a 1-star complaint from January 2022 describing a win from free spins that the reviewer says wasn’t paid out, and calling the site a “scam”. One review is too small a sample to draw firm conclusions from, but it’s a serious, specific allegation, and we found no further coverage on AskGamblers or Casino Guru to add context either way.
Verdict
4 out of 10. UK Online Slots offers a bigger game library and a claimed Trustpilot profile than most Jumpman stablemates manage, but its single review describes a serious non-payout complaint that anyone considering signing up should read for themselves before depositing.
UK Online Slots FAQ
Who owns UK Online Slots?
UK Online Slots is operated by Jumpman Gaming Limited, based in Alderney, under UK Gambling Commission licence 39175.
Does UK Online Slots have any sister sites?
It sits on the same Jumpman Gaming Limited licence as well over 100 other white-label sites, though none are separately registered trading names.
Is UK Online Slots UK licensed and safe to use?
It holds a valid, active UK Gambling Commission licence with a clean regulatory history. Its Trustpilot profile is claimed, but its single review is a serious 1-star non-payout complaint from January 2022 worth reading before you sign up.
How does the UK Online Slots welcome offer work?
A first deposit of £10 or more unlocks the site’s “Crown Jewels Loot Chest”, its branded name for the standard Jumpman welcome mechanic, with a top prize of 500 free spins. It’s randomised rather than a set 500-spin prize, and the bonus carries the standard 10x wagering requirement with a £250 lifetime-deposit conversion cap.
How many games does UK Online Slots have?
The site advertises more than 700 slot games, a larger figure than most Jumpman skins quote, though it draws from the same shared network game library.
18+. Gambling can be addictive: please play responsibly. If you’re worried about your play or someone else’s, GamCare’s helpline is free on 0808 8020 133, BeGambleAware.org has free support tools, and GAMSTOP lets you self-exclude from UK-licensed gambling sites. This page contains affiliate links; Sister Sites UK may earn a commission if you sign up through them, at no extra cost to you.