Freelance or agency
Agencies win at ads, volume, and account management. A freelance full stack wins at architecture that survives the account manager leaving.
I am the second option. If you need ten landing pages a month and a media buyer, do not hire me.
Hire freelance when
One product, a technical owner, you can talk Git. You want to keep the repo.
Hire an agency when
Brand campaigns, filming, many properties, you want a single invoice for noise plus code.
FAQ
Can you subcontract?
I do not hide a chain. If a specialist is needed, you meet them.