Knowledge centre
News, guides, and free downloads for small businesses and landlords
A free monthly newsletter with the latest news and tools for small businesses and landlords.
Latest small business news
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Company tax return guide for small businesses
From CT600 to late payment penalties, here’s everything you need to know.
6-minute read
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Employment Rights Act roadmap: everything employers need to know
Major reforms are already underway. Read our road map to keep updated.
6-minute read
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Renters’ Rights Act: your questions answered by an expert
A legal expert answers your most burning questions.
6-minute read
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Summer VAT cut: how small businesses can prepare
A temporary VAT reduction is coming in June to boost summer holiday trade.
7-minute read
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Fuel duty and VAT fuel charges: the latest news for drivers
The government has announced new fuel duty and VAT fuel charge rules for 2026.
4-minute read
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Renters’ Rights Act explained – 12 new rules for landlords
Section 21 eviction ban and limits on rent increases to start in May 2026.
9-minute read
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Pets in rental properties: a guide to the new rules
Your tenants now have the right to request to keep a pet – here’s all you need to know.
6-minute read
Recent how-to guides and business tips
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12-minute read
How to pay self-employed National Insurance (2026-27 rates)
Check the latest National Insurance rates and thresholds for the self-employed.
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4-minute read
Ban on bidding wars: How to set rental prices under the new rules
See how you need to adapt your strategy under the new laws
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9-minute read
How to register a business name – and how to protect it
So you’ve come up with the perfect business name – what comes next?
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8-minute read
What can I claim as an expense on my tax return?
Don’t miss this legal way to save money on your tax return.
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6-minute read
Company tax return guide for small businesses
From CT600 to late payment penalties, here’s everything you need to know.
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5-minute read
Cash deposit limits on business bank accounts – a simple guide
What is the limit for your bank?
Top trending articles
Are you prepared for Making Tax Digital?
Making Tax Digital for VAT is already in place. But Making Tax Digital for income tax is coming from April 2026 – changing how small businesses and landlords file and pay tax. Make sure you’re prepared.
7-minute read
Making Tax Digital for business income tax
Making Tax Digital will affect how you pay income tax from April 2026.
8-minute read
Making Tax Digital for landlord income tax: get ready for 2026 changes
Find out more on key dates, how to comply, and how to register.
10-minute read
Is Making Tax Digital replacing Self Assessment?
Free financial calculators and business tools
Whether you need to work out how much VAT to add to invoices or the profit margin on a new product, our free calculators are here to help you.
5-minute read
How to work out profit margin – profit margin calculator
7-minute read
How much is VAT? VAT calculator for businesses
Meet our experts
Our writers have a wealth of knowledge and experience writing for small business owners and landlords. Find out more about our experts and contributors.
Catriona Fuller
Small business writer
Catriona Fuller is an experienced writer, specialising in small business tax, compliance, and marketing in the UK. She’s written hundreds of guides on the Knowledge centre, covering everything from Self Assessment and tax legislation to topical small business news.
Conor Shilling
Senior Copywriter
Conor is a professional writer with over 10 years experience across the property, small business, and insurance sectors.
Rosanna Parrish
Copywriter
Rosanna is a copywriter with over 10 years’ experience. She specialises in side hustles – as well as all things freelance, social media, and e-commerce.
Zach Hayward-Jones
Content Executive
Zach is a copywriter at Simply Business with seven years of writing experience across entertainment, insurance, and financial services.
We create this content for general information purposes and it should not be taken as advice. Always take professional advice. Read our full disclaimer