Personnel

• Benji Webbe
  Benji Webbe
  Clive "Benji" Webbe is a Welsh singer best known as the lead vocalist for the alternate rock band Skindred and as a former member of Dub War...
  
   – Vocals, Synthesiser
• Daniel Pugsley – Bass
• Mikey Demus – Guitar, Backing Vocals
• Dirty Arya – Drums

Additional Personnel

• Jacoby Shaddix
  Jacoby Shaddix
  Jacoby Dakota Shaddix is the lead singer of Californian rock band Papa Roach, and along with bassist Tobin Esperance, is the main songwriter for the band.-Early life:...
  
   – Additional vocals on track 2
• James Loughrey – Production, Engineering
• John Cox – Assistant Engineer
• Tim Fox – Design

Critical reception

The album has been well received, earning praise from many metal reviewers. Thrash Hits gave the album 5.5/6 stars, stating "this is very much the Skindred album we’ve all been waiting for". Alternate Vision also rated the album highly, giving it 5/5 stars, reporting that Skindred had "fully upped their game with Union Black". The New Review gave the album 4.5/5, remarking that "there is nothing similar to Union Black". Sputnikmusic

Sputnikmusic

Sputnikmusic, or simply Sputnik, is a music website offering music criticism and music news alongside features commonly associated with wiki-style websites...

 gave the album a 4 out of 5, saying "Overall this is not an album that everyone is going to fully appreciate first time and that some might not appreciate ever [...] but as you get used to the many twists that the album throws at you it becomes better and better".

Chart performance

Charts (2011)	Peak position
UK Albums Chart UK Albums Chart The UK Albums Chart is a list of albums ranked by physical and digital sales in the United Kingdom. It is compiled every week by The Official Charts Company and broadcast on a Sunday on BBC Radio 1 , and published in Music Week magazine and on the OCC website .To qualify for the UK albums chart...	54