For Corporate users and occupiers, when to start the lease review is often the first question. We have successfully completed lease transactions throughout North America and beyond. As a general rule, lease review should start 12 – 18 months before the expiration, however larger Occupiers may require additional time. Leases generally take longer than you think.
Location, security, amenities, transportation, parking, talent & staffing, etc. 
Identify all potential options that match your requirements. 
Deals completed similar to yours to better analyze available opportunities. 
Tour each space carefully documenting the property. 
Submit proposals (LOI) or request RFP’s. 
Begin the Due Diligence process including all verifications and understand what, if any, permits will be required. 
Legal Counsel review can take 1 – 4 weeks depending on lease complexity. 
Nothing is final until executed. 
Fit out can take in between 2 – 4 months (or longer) depending of specs and material, IT, contractor lead time.