# Accountancy, Tax and Business Development

> BAS Associates
> Last updated: 2026-09-09

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## Recent Content

- [The September Business Reset: 7 Things to check before the final quarter](https://www.basassociates.co.uk/2026/08/31/the-september-business-reset-7-things-to-check-before-the-final-quarter/): Summer can knock the usual business routine a little off track. September is a good time to get back on top of the numbers, check what’s coming up and make sure the final few months of the year are heading in the right direction.
- [Working from home tax relief has changed - what employers and employees need to know](https://www.basassociates.co.uk/2026/07/06/working-from-home-tax-relief-has-changed-what-employers-and-employees-need-to-know/): From 6 April 2026, employees can no longer claim working from home tax relief directly from HMRC. However, employers can still reimburse eligible homeworking expenses tax-free where the rules are met. Here’s what employers and employees need to know.
- [Self-assessment tax return deadlines & penalties](https://www.basassociates.co.uk/2026/01/15/self-assessment-tax-return-deadlines-penalties/): Missing a self-assessment tax return deadline can lead to unwanted penalties, unnecessary stress, and additional costs. Whether you're self-employed, a landlord, a company director, or earning untaxed income, it’s essential to stay on top of key dates to avoid fines from HMRC. 

Here’s everything you need to know about self-assessment tax deadlines, penalties, and how to avoid costly mistakes. 
- [Self-Assessment Tax Return: DIY vs. Hiring an Accountant](https://www.basassociates.co.uk/2026/01/05/self-assessment-tax-return-diy-vs-hiring-an-accountant/): Filing your self-assessment tax return may seem like a simple task, but getting it wrong can lead to overpaying tax, missing out on deductions, or facing HMRC penalties. Many people wonder whether they should handle it themselves or hire an accountant. The answer depends on the complexity of your finances, your understanding of tax rules, and how much time you want to spend on admin. 
- [How much tax do Self-Employed pay?](https://www.basassociates.co.uk/2025/12/02/self-employed-how-much-tax-to-pay/): Being self-employed comes with a lot of freedom, but it also comes with responsibilities – one of the biggest being tax. Unlike employees who have tax automatically deducted from their pay, self-employed individuals need to calculate and set aside their own tax payments. Get it wrong, and you could face an unexpected (and costly) bill. […]

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