I would strongly advise against having any dealing...

I would strongly advise against having any dealings with this organisation. The lease terms are firmly in their favour and are non-negotiable, pay particular interest to the part about rent increases. Some existing tenants have seen rents increase by up to 40%, as anyone in business will know that margins cannot accommodate increases like this. New tenants are lured in with average London prices, after the relatively short lease term is reached the rent is re-negotiated. In this situation, you have a weak hand as your limited company details are publicly available, and they will make an assessment of profits and adjust appropriately. The Arch Company paid a lot of money to purchase these arches from Network rail and have invested a lot in refurbishments, and In the current climate for this to be profitable, it relies on high turn over of tenants......Tenants, unfortunately, are actual people like you who have more or less put everything into their businesses. Please please please educate yourself, read and understand your leases. Invest in sustainable business and not one that has to relocate every two years!