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About Arunika

Tax consultants who don't disappear when the tax office writes.

Arunika Consulting is a tax and bookkeeping firm in Sidoarjo, East Java, working with businesses across Indonesia. We keep your books and file your taxes, and when an SP2DK, audit or assessment arrives, the same team stays with you.

Why Arunika exists

01

Too many consultants only file returns.

Returns get filed, but nobody fixes the books behind them. When the tax office asks questions, the client is on their own.

02

The tax office now reads your data.

With Coretax, invoices, withholding slips and third-party data are matched automatically. Numbers that can't be explained show up quickly.

How we work

  1. Start from the books

    The numbers in a return are only as good as the books behind them. That is where we start.

  2. The same team, start to finish

    Whoever prepared your returns also handles the SP2DK, the audit, the objection and, if needed, the Tax Court appeal.

  3. Straight answers

    We don't promise outcomes. If an adjustment is cheaper to accept than to fight, we tell you.

  4. Scope and fees in writing

    You know what we do, what we don't, and what it costs before work begins.

Who you work with

Probosuko Adji Irfansah

Probosuko Adji Irfansah

Tax Consultant

Probosuko Adji Irfansah leads every engagement at Arunika. Before focusing on tax, he built ERP systems and financial data architecture, which is why he looks at the books and the data flow first. Most tax problems he sees started there.

Just got a letter from the tax office?

Talk to us before you reply. Send the letter type, the date you received it and the tax year.

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