Getting a business running in the Philippines is possible, but the paperwork alone will eat three weeks of your life if you don't plan ahead.
Most foreigners come in thinking they can just register a company online and start trading. That's not how it works here. The process is split across at least four different agencies, none of which talk to each other, and every single one has its own quirks that trip people up. Start with the DTI if you're a sole proprietor, or the SEC if you're setting up a corporation or partnership. For a corporation, you need at least two directors and a minimum of 25% Filipino ownership on the board. The real ownership restriction is what kills a lot of foreign startups before they even file. Some industries require 100% Filipino ownership under the Negative List. Check your industry code carefully before you waste money on a name reservation. Once your name is approved and your articles are filed, you apply for a TIN from the BIR. This is the step most guides gloss over. Your BIR registration isn't automatic after SEC approval. You have to physically go to your revenue district office and submit the SEC documents plus a notarized deed of assignment for your corporate secretary. I once had a client wait six weeks because his notary in Manila forgot to include the address of his registered office on the deed. The BIR rejected it and he had to start over. Make sure every field on every document matches exactly what's on your SEC registration. Even a missing middle initial will get your application bounced back.
After BIR, you need your local mayor's permit from the city or municipality where your office is located. This requires a zoning clearance from the local planning office and a lease contract or proof of address. Some cities will not issue a permit unless you're in a commercial zone. If your address is in a residential area, you'll need a variance or you'll get rejected at the planning desk and sent home. I dealt with this in Cebu when a client tried to register an online business from a condo unit. The barangay refused to issue a clearance because the unit wasn't zoned for commercial use. We solved it by listing a virtual office address in a nearby business park, which is legal as long as you still maintain a physical presence there for inspections. Then register with SSS, PhilHealth, and Pag-IBIG if you have employees. These are mandatory and the fines for non-compliance are actually enforced. They also cross-reference each other, so skipping one will flag you across all three systems.
Things nobody tells you upfront
The BIR eReg system looks modern but it breaks constantly. You'll spend more time on the phone with their helpdesk than actually filing. Keep a manual backup of everything. PDF your submissions immediately after filing and print a copy with the reference number. When the system goes down again, you'll have proof of filing for that day. Processing times are worse than the official guidelines say. SEC name reservation takes one to three business days in theory. In practice, expect three to five because they manually check for conflicts with existing names and the queue is long. BIR TIN registration varies wildly by district. Makati BIR is faster than Quezon City BIR by about a week. If you can choose your registration district, pick one with a smaller volume of new registrations. The mayor's permit renewal is annual and the fee is based on your capitalization. A company with five million pesos in capital pays significantly less than one with fifty million. Don't let this slip. The fine for operating with an expired permit is steep and the local government doesn't send reminders.
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A workaround that actually saves time
Use a registered corporate service provider in the Philippines. Not a generic online formation service, but someone physically located here with existing relationships at the relevant agencies. The cost is roughly 40 to 60 thousand pesos for a full corporation setup, and it cuts the total timeline from eight weeks down to about three. The people I've worked with know which clerk processes applications fastest on a given Tuesday and they catch document errors before submission. The only downside is finding one you can trust. Look for someone who is a member of the Philippine Corporate Service Providers Association or who has verifiable client references from the last two years. Avoid anyone who promises guaranteed approval in seven days, because that's either a lie or they're doing something that will get your registration cancelled later.