The only requirement of an office space agreement is that the space must not be used for retail operations. At its core, an office space agreement is a commercial lease agreement. It sets forth rent and deposit amounts, length of the lease term, and repair and maintenance responsibilities.
If you are registered as a corporation or limited liability company in another state or country and are doing business in Washington, you will need to fill out a “Foreign Profit Corporation – Certificate of Authority” or “Foreign LLC Registration” form with the Office of the Secretary of State.
Visit our Corporations and Charities Filing System landing page and log in to your account. Once logged in, select “Business Maintenance Filings” from the navigation bar on the left side, then select “Initial Report”.
Registering Non-Washington Businesses Out-of-state businesses must register with the Washington State Department of Revenue if: The business conducts activities that establish nexus sufficient for imposing B&O tax or the public utility tax.
If your business is a limited liability company (LLC), corporation, partnership, or nonprofit corporation, you'll probably need to register with any state where you conduct business activities.
To register your business in another state or “foreign qualify” you must file a Certificate of Authority with that state. Some states also require a Certificate of Good Standing from the state in which your business is formed or incorporated.