Apex Hotels London, Edinburgh, Glasgow & Dundee 25% Off Promo Code on Hotel Booking. Save 25% on your stay when you pay in advance for stays in Apex hotels located in London, Edinburgh, Glasgow & Dundee. Their nine hotels provide high-quality amenities, refined accommodations and personalised, warm service. Apex Hotels Ltd is an operator of three star and four star hotels, owned by former accountant Norman Springford and his family.