Slot Boss Online UK Casino Review & Bonus

Many online gamblers want to maximize their return by playing at casinos with the best bonuses — especially first deposit bonuses. To determine the best first deposit bonus in the United Kingdom, we ran every online casino’s welcome bonus offer through our custom formula to find the Actual Bonus Value (ABV) if that player deposits £100. You can find Slot Boss Casino’s results from our ABV100 test below.

Slot Boss Casino has one of the best first deposit bonuses of all 133 UK online casinos we included in our ABV100 test. In fact, if you deposit £100 at Slot Boss UK — you can expect to see approximately £17.23 value returned to you which is £31.23 more than the average online casino in the United Kingdom. This ABV landed Slot Boss online casino in 8th place with 4 stars. You could do much worse than Slot Boss Casino’s first deposit, but you can’t do much better.

Test Results: Bonus Value for a £100 Deposit

Winner: Dream Vegas Casino, ABV100: £53.46
In 8th place : Slot Boss Casino, ABV100: £17.23
Average Bonus Value of £100 first deposit in UK: £-14

See Slot Boss UK Online Casino full test results here.

Customer service is an important part of every business interaction — even for gamblers at online casinos in the United Kingdom. If you have questions or need help with something from the casino, you want to feel confident in their ability to help and do so in a timely manner. But, how could you effectively measure the quality of customer service for every UK online casino?

Fortunately, we’ve tested the UK online casinos’ customer service and have ranked the best casinos in the United Kingdom based on their results.

How quickly and often does customer service respond to emails at Slot Boss Online Casino?

Slot Boss Casino had one of the best response rates of all casinos tested in the United Kingdom — averaging 100%. This result means that you are highly likely to get a quick answer to your email support questions. In other words, we feel confident in recommending Slot Boss Casino as having reliabile customer support.

Slot Boss Casino answered our email support questions in an average of just over 47 hours in our last customer service test. This response time earned Slot Boss Casino 83rd place and was -32 hours & 39 minutes slower than the average UK online casinos.

We believe email support is important — so, we’d recommend lookiing into other higher-rated casinos with better email support.

Test Results – Average Email Response Time

Winner: Vegas Mobile Casino Casino, 7 minutes
In 83rd place : Slot Boss Casino just over 47 hours
Average email response time of online casinos in New Jersey: just over 16 hours

Does Slot Boss offer a live chat?

Does Slot Boss has a live chat?: Yes
Opening Hours: 24/8

See Slot Boss UK Online Casino full test results here.

When you’re gambling online, you’ll prefer more game options than less. However, knowing which UK online casion has the best library can be tricky given the options. That’s why we decided to test the game libraries of Slot Boss Casino and every other UK casino for categories like blackjack, slots, sports betting, and more.

Here are the results for Slot Boss UK and how well it performed against other casinos in the United Kingdom.

How large and diverse is Slot Boss casino’s game library?

Slot Boss Casino offers players non-traditional gambling options like live casino, poker and bingo along side a library of typical game types like slots and roulette. Unfortunatley, odds, livebetting, fantasy sports or horses were not offered by Slot Boss UK when we last tested.

The number of games (724) and variety in Slot Boss Casino’s casino library earned it a ranking of 66th place in our recent game library test for the United Kingdom.

Slot Boss Casino has an above average game library and is better than many other the United Kingdom casinos. We know this because we tested 133 UK online casinos, measuring the quality of game selection at each. While far from the best, Slot Boss Casino’s 724 total games is above the average threshold making it a decent option for your consideration.

Test Results – Which UK online casino has the best game selection?

Winner: Videoslots Casino
Number of Games: 6,237
Non-traditional Game Types : live casino, poker and bingo

In 66th place : Slot Boss
Number of Games: 724
Non-traditional Game Types: live casino, poker and bingo

Average number of online casino games at an UK online casino : 1,557 games

See Slot Boss UK Online Casino full test results here.

If you’re gambling online, you don’t want to invest your time and money playing at a slow loading casino. However, there’s no easy way for someone to test and measure the page load speed of every UK online casino. Thankfully, we tested all the online casinos in the United Kingdom so you don’t have to.

How Fast is Slot Boss online casino?

When we last tested page load speed in the United Kingdom, Slot Boss Casino finished just above average. Most gamblers will not notice any issues while gambling at Slot Boss UK becaue its average load time is still 2.20.

See Slot Boss UK Online Casino full test results here.

Test Results – Which UK Online Casino is the Fastest?

Winner: Vegas Mobile Casino Casino
Average Page Load Speed : 0.33 seconds

In 62nd plats: Slot Boss casino
Average Page Load Speed : 2.20 seconds

Average page load speed of an UK online casino: 2.95 seconds

Bonus and Promotions Test

For our UK online casino bonus and promotions test, we considered and included both no deposit bonuses and first deposit promotions at each online casino. For the first deposit bonus, we used a standard £100 deposit as the baseline since each casino has its own maximum deposit eligibility for first deposit bonuses.
We call our calculation the Actual Bonus Value (ABV) and it includes different metrics and playthrough requirements depending on the bonus we’re evaluating. The ABV100, for example, looks at the value of a bonus if we deposit £100.
Below are Slot Boss’s bonus and promotion test results.

Slot Boss UK online casino did not offer a No Deposit Bonus to new players.

First Deposit Bonus Type: Match + Freespins
Minimum Deposit Amount: £10
Actual Bonus Value for a £100 First Deposit: £17.23
ABV100 First Deposit Rank: 8 out of 133
ABV100 First Deposit Stars: 1.0 out of 5 stars

Number of Free Spins: 50
Max RTP of Free Spins: 94.6%
Wagering Requirement of Free Spins: 0x
Actual Value of Free Spins (ABVFS): £4.73

We then combined the value of Slot Boss’s no deposit bonus, first deposit bonus (£100), and available free spins to create a complete overview of the value of Slot Boss UK online casino’s welcome bonus.

Actual Value of Total Welcome Bonus Package: £17.23
Welcome Bonus Rank: 8 out of 133
Welcome Bonus Stars: 4 out of 5

Customer Support Test

For our online casino customer support test in the United Kingdom, we considered the speed and responsiveness of each casino’s online support via email and live chat. These two tests in addition to live chat availability (hours of operation), were used to determine the total rankings and stars awarded to each UK online casino.
Below are Slot Boss’s results for the email and live chat customer service tests as well as its overall ranking relative to all the United Kingdom online casinos we tested.

Email Reply Time: just over 47 hours
Email Test Ranking: 83 out of 133
Email Support Stars: 3.0 out of 5

Live Chat Operating Hours: 24/8

Casino Game Library Test

In our online casino game library test for the United Kingdom, we focused on the total number of games available as well as the categorical variance of each casino’s library.
For example, did the casino offer poker? Did it have sports betting? How many online slots does it currently have available?
By combining the breadth and depth of UK online casino’s game library, we believe we can provide an accurate answer to “which online casino in the United Kingdom has the best game selection?”
Below is Slot Boss’s results in our game selection test and how it compared to every UK online casino we tested.

Total Number of Casino Games: 724
Total Number of Game Types: 3, live casino, poker and bingo
Casino Game Selection Ranking: 66 out of 133
Casino Game Selection Stars: 3.0 out of 5

Online Casino Speed Test

In our online casino game library test for the United Kingdom, we focused on the total number of games available as well as the categorical variance of each casino’s library.
For example, did the casino offer poker? Did it have sports betting? How many online slots does it currently have available?
By combining the breadth and depth of UK online casino’s game library, we believe we can provide an accurate answer to “which online casino in the United Kingdom has the best game selection?”
Below is Slot Boss’s results in our game selection test and how it compared to every UK online casino we tested.

Average Load Time: 2.20 seconds
Online Casino Speed Ranking: 62 out of 133
Online Casino Speed Stars: 3 out of 5

Total Ranking of Slot Boss UK online casino

When calculating the total ranking for Slot Boss we considered its scores and star ratings for each of the individual casino tests. By combining Slot Boss’s scores, we can compare its results against all the other UK online casinos to determine which online casino is the best in the United Kingdom.

Test points based on Slot Boss’s rankings (the lower the better):
Bonus and Promotions: 52 points
Customer Support: 78 points
Game Selection: 66 points
Casino Speed: 62 points
Total: 39.95 points
Ranking compared to other UK online casinos: 95 out of 133 casinos

Stars based on Slot Boss’s test results: Bonus and Promotions: 1.0 out of 5
Customer Support: 3.5 out of 5
Game Selection: 3.0 out of 5
Casino Speed: 3 out of 5
Average: 2.33125 out of 5 (displayed as 3.35 stars in reviews and top lists)
Star ranking compared to other UK online casinos: 97 out of 133

Our overall ranking of Slot Boss casino includes both points and stars which we weight equally. If a casino is tied, we use points as the deciding factor to determine which UK online casino is best. slotboss.co.uk’s total ranking is 50 out of 133 UK online casinos.