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FranchiseVerdict

Mellow Mushroom vs Gyu-Kaku

Franchise Comparison 2026

Both Mellow Mushroom and Gyu-Kaku are full-service restaurants franchises. Mellow Mushroom requires an investment of $1.7M – $2.9M while Gyu-Kaku requires $2.3M – $2.6M. Mellow Mushroom discloses average revenue of $2.7M; Gyu-Kaku makes no financial performance representation in its Item 19, which is voluntary under the FTC Franchise Rule. On SBA loan performance, Gyu-Kaku has a lower charge-off rate (0.0%) compared to Mellow Mushroom (15.0%). FranchiseVerdict rates Mellow Mushroom B (Above average) and Gyu-Kaku A (Strongest tier).

Investment Range
$1.7M – $2.9M
$2.3M – $2.6M
Franchise Fee
$50K
$50K
Royalty Rate
5.0%
5.0%
Average Revenue (Item 19)
$2.7M
N/ANo Item 19 representation
SBA Charge-Off Rate
15.0% (142 loans)
0.0% (12 loans)
Total Units
161
60
Unit Growth (YoY)
-5 units
-4 units
Year Began Franchising
1987
2008
FDD Year
2026
2025