Small businesses face the same tax obligations as large corporations — but with fewer resources to navigate them. These are the most common, and most costly, tax mistakes we see SMEs make — and how to avoid them.
Many small business owners file nil returns to "keep KRA quiet" even when they have had trading income during the year. This is a serious error. KRA's data matching systems — including eTIMS, Mpesa business records, and third-party reports — increasingly flag discrepancies. The result is an estimated assessment, penalties and interest that far exceed what the actual tax liability would have been.
Late filing attracts an automatic penalty of 5% of the tax due per month (up to 20%), plus interest at 2% per month on any unpaid balance. For a business with a modest liability, these additions compound quickly into a significant burden. Set calendar reminders for every key deadline — VAT returns by 20th, PAYE by 9th, income tax by the 6-month extension date.
Using a single bank account for both personal and business transactions makes bookkeeping unreliable and creates headaches during a KRA review. Open a dedicated business account from day one and ensure all business income is received and all business expenses paid through it.
Quick fix: Even if you have been mixing accounts, a bank reconciliation exercise — matching your business records against your statements — can be done retrospectively with professional help. The sooner you correct it, the better.
Any business with taxable turnover exceeding KES 5 million in any 12-month period must register for VAT. Failure to register and charge VAT does not eliminate the liability — KRA can assess you for uncollected VAT plus penalties. If you are approaching the threshold, plan for registration in advance.
Whether intentional or accidental, income understatement is the most common cause of KRA assessments. Common causes include forgetting to include cash sales, omitting income from secondary business lines, or failing to reconcile eTIMS invoices with declared turnover. Keep comprehensive records of every sale, regardless of payment method.
Deductions are only allowable where expenses are incurred wholly and exclusively in the production of income. Personal expenses, capital expenditure (which should instead be claimed as wear and tear allowances), and expenses without supporting documentation are regularly disallowed. When in doubt, document everything and ask your advisor.
Once you have employees — even casual workers paid regularly — PAYE obligations arise. Many small employers are unaware that PAYE applies to benefits in kind, housing allowances, and car benefits in addition to basic salary. Review your PAYE position annually and ensure all employees are on payroll.
Under the Tax Procedures Act, you must retain all tax records for five years from the date of filing. KRA can audit any period within that window. Businesses that cannot produce records when requested face estimated assessments — and the burden of proof is on you to show the estimate is incorrect.
Our team at Noventra works with small and medium businesses to establish solid tax compliance foundations — from bookkeeping advice to filing support and annual compliance reviews. Starting right is always more cost-effective than fixing problems after the fact.
Noventra Advisory Global Limited — We turn complexity in tax, finance and strategy into clarity and growth.