Scope liability and insurance first
Commercial holiday lighting lives and dies on liability. Before comparing designs, confirm the installer carries general liability coverage and can issue a certificate of insurance naming your business or association as additional insured. Crews working storefront facades, multi-story buildings, or lifts need to be rated and insured for that work. A vendor who cannot produce a COI quickly is a vendor to pass on, regardless of price.
Uptime and maintenance are the real product
For a business, a dark storefront in December is a problem, so the contract should specify scheduled maintenance and a guaranteed response window for outages. Ask what happens when a section fails on a Friday night, and get the turnaround commitment in writing. Timers should align to your operating hours so the display runs when customers see it and shuts off on your terms, and installs and takedowns should be scheduled around peak hours.
Contract structure and renewals
Commercial lighting is usually a seasonal contract rather than a one-off, and many properties renew year over year with the same installer to keep the design consistent and lock pricing. HOAs and multi-building campuses benefit from a single point of contact and a documented scope covering common areas, entry monuments, and each building. Multi-year agreements often hold rates and reduce the annual scramble, which matters when board budgets are set in advance.