Japan

Big Apple International School Of English

One  report of not being paid and other serious problems.

Bohme English Academy also: Eigo Teragoya, Ichinomiya city, Aichi prefecture, Japan Passport English School, Gifu city, Gifu prefecture

One report of unpaid wages and physical assault by the owner Steven Bohme.

English You Can

Tokyo

One report of not getting the promised visa and that they were threatened with being reported to immigration.

Interac Co

Many complaints and reports of mostly minor cheating.

Tokyo based

St. Mary's College

Nagoya

One negative report but no contractual breaches.

They're considered sweatshops and are pretty unpopular.

The Big Three: NOVA, AEON, GEOS