Short answer
Often yes. Clients, general contractors, landlords, and government agencies frequently require proof of specific coverage, such as general liability at a set limit, before they will sign with you. They usually ask for a certificate of insurance, and sometimes to be named as an additional insured, as a condition of the deal.
Insurance requirements are a common part of contracts and leases. The other party wants assurance that if something goes wrong, there is coverage behind it rather than just your business. They typically specify the coverage types and minimum limits and ask for a certificate of insurance as proof.
Many also require being added as an additional insured, which extends certain protection to them under your policy for the work you do. Lining up the required coverage early keeps it from holding up the contract or lease.
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