Contact

Talk to us.

Two paths: schedule a 30-minute call, or send us a message. If you are an accounting firm evaluating for your client book, choose the consultation call.

Book a 30-minute consultation

For accounting firms and businesses ready to evaluate. We'll walk through your client profile, timeline, and how the CAS/EIS process works for your situation.

Calendly calendar
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What to expect in the call
  • ✓Review of your CAS registration status and what's needed to complete it
  • ✓EIS timeline and whether your PTT can be active before December 31
  • ✓For accounting firms: partner program walk-through and wholesale economics
  • ✓No sales pressure — if BlackZero doesn't fit your situation, we'll say so

Send us a message

For questions that don't need a call, or if you want to send context before booking.

We typically respond within 1 business day. For urgent matters related to a BIR deadline, mention it in your message.

Location
Philippines
Metro Manila, remote-first team
Response time
1 business day
Mon–Fri, PH business hours
For accounting firms
partner@blackzero.ph
Partner program and wholesale billing