BAS & IAS Lodgement
Done Right, Every Time

Accurate, timely lodgement of your Business Activity Statements and Instalment Activity Statements. We manage all calculations, compliance deadlines, and ATO communication — so you never miss a lodgement date.

ABOUT THIS SERVICE

BAS & IAS Management That Keeps You Compliant & Confident

Your BAS and IAS are critical compliance documents. Missing a lodgement date, getting the calculations wrong, or coding GST incorrectly can result in penalties, interest charges, and audit attention — none of which are worth the stress.

At I H Professionals, we take complete ownership of your BAS and IAS process — from transaction coding and GST calculations through to timely lodgement and ATO communication. Our team stays on top of all quarterly deadlines and ensures your activity statements are accurate and lodged exactly on time, every time.

Why outsource your BAS and IAS? You get professional-grade accuracy without the burden of quarterly deadlines. We handle all the calculations, manage cash flow timing with the ATO, and give you clear reporting so you understand your GST position at all times.

Whether you're a sole trader, partnership, or company, we build a process that fits your business and integrates seamlessly with your accounting system.

What's Included

Everything you need, handled end-to-end

  • Transaction coding & GST classificationEvery transaction coded correctly so your GST position is accurate
  • BAS & IAS calculation & verificationAll calculations checked and verified before lodgement
  • On-time lodgement & ATOLodged electronically on schedule, with ATO confirmation
  • GST liability & cash flow managementUnderstanding your GST cash flow and payment timing
  • Quarterly reconciliation & reportingClear reports showing your GST position each quarter
  • Payment plan coordinationSupport if you need to arrange an ATO payment arrangement
  • Activity statement reviewOngoing analysis to ensure your GST coding is optimized

Why Choose Us for BAS & IAS?

We've helped hundreds of Australian businesses stay on top of their quarterly compliance. Fast turnaround, fixed pricing, and a team that actually knows the ATO requirements.

What Our Clients
Say About Us

4.8

Switched to IH Professionals on a colleague's referral and haven't looked back. Fast responses, clear advice, and they genuinely know their stuff. My company tax returns have been handled flawlessly every single year since.

DK
David K.
4 days ago

I came to IH Professionals after a bad experience elsewhere. What a difference. They explained everything clearly, lodged my returns quickly, and helped me understand what to do differently this year to reduce my tax. Highly recommend.

TC
Thomas C.
3 weeks ago