Griffon Casino Sister Site – Bonus Guide

Griffon Casino’s sister site shares the same backend and bonus engine. This short guide explains how to move between brands, claim the shared welcome offer, and clear wagering inside the 2026 UKGC framework.

Shared Welcome Offer

Reference: keep each section tightly scoped to one intent.

Both sites advertise a 100 % match up to £100 plus 100 spins. Only one bonus may be active at a time; close the Griffon offer before claiming the sister-site package.

How to Claim

  • Register on the sister site with
  • a new email. Deposit £20 or more
  • How to Claim

Register on the sister site with a new email. Deposit £20 or more and enter the code SISTER100. The bonus appears in your account instantly.

Wagering Requirements

  • £100 bonus at 10x needs £1,000
  • in total bets. Slots contribute fully; live
  • Wagering Requirements

£100 bonus at 10x needs £1,000 in total bets. Slots contribute fully; live casino tables contribute 10 %. You have 30 days to finish.

Banking Across Sites

Payment methods and balances are siloed. Withdraw from the site where you completed wagering to avoid delays.

Key Dates

The sister-site offer runs until 31 December 2026. Bonus codes reset every calendar quarter.