Sowls Professionals helps Nigerian businesses and individuals stay compliant, minimise tax exposure, and grow with confidence, with hands-on experience across NRS, LIRS, SIRS and PENCOM.
Sowls Professionals is a Lagos-based Accounting, Tax Consulting and Business Advisory practice dedicated to helping Nigerian businesses and individuals achieve financial clarity, regulatory compliance, and sustainable growth. We combine statutory knowledge with hands-on experience across NRS, LIRS, and state-level revenue authorities, so clients can navigate an increasingly complex regulatory environment with confidence.
One firm, seamlessly coordinated across the operational and the strategic: the numbers behind your business, the regulation around them, and the compliance record to prove it.
Bank statement processing, monthly management accounts, fixed asset registers, payroll and pension compliance: the operational backbone that keeps your numbers accurate and audit-ready.
Full-spectrum tax compliance and strategic advisory built around the Nigeria Tax Act 2025 and NTAA 2025, covering planning, filing, and resolution to keep exposure to a minimum.
Hands-on representation at every stage of a statutory or regulatory audit, so your records hold up to scrutiny and any findings are resolved on the best possible terms.
Full adherence across every statutory body your business answers to, kept current as rules and rates change year to year.
A running ledger of the reforms most likely to affect your business, and the threshold that determines whether they apply.
Missing a deadline carries real cost. Here's what's at stake across the filings that matter most.
| Obligation | What's required | Penalty for missing it |
|---|---|---|
| VAT: Monthly Filing | File by the 21st of the following month. Mandatory e-invoicing via the FIRS/NRS platform. | 10% of tax due, plus interest at CBN rate |
| WHT: Deduct & Remit | Deduct at source from vendor payments and remit promptly to NRS/LIRS/SIRS. | 10% penalty plus full tax liability |
| PAYE/PIT: Monthly Payroll | Uniform monthly deduction and remittance. Tax-free threshold ₦800,000/yr; top rate now 25%. | Statutory penalty plus interest |
From bookkeeping and financial reporting to tax and payroll, one firm handles it all, seamlessly coordinated.
Strong command of Nigerian tax law and NRS, LIRS & SIRS regulation, kept current as rules change.
A practical track record across SMEs in retail, logistics, agriculture, and services.
We flag risks and opportunities before they reach your desk, not after the fact.
Consistent adherence to filing deadlines and agreed turnaround times.
Client information is protected to the highest professional standard, always.
Reach out for full financial clarity, tax compliance, and sustainable growth, starting with a conversation.