Starting a limited company is a bit like bringing home a new baby.

It’s exciting, slightly overwhelming, and suddenly you realise there’s a lot nobody actually explained to you beforehand.

The good news? You don’t need to know everything from day one.

At One and Only Accounts, we speak to new business owners every week — freelancers, contractors, side hustlers, consultants, creatives, and people finally taking the leap to work for themselves. And while every business is different, the same questions and mistakes come up time and time again.

So here are 10 simple, practical tips to help you get started properly (without the stress).

 

1. Don’t Spend a Fortune Setting Up Your Company

A lot of people think starting a limited company is complicated or expensive.

It really isn’t.

You can set up a company online in minutes using Companies House or a reputable formation agent. There’s no need to pay huge setup fees just to get incorporated.

Where professional advice does help is everything that comes afterwards — things like paying yourself tax-efficiently, understanding expenses properly, handling VAT correctly, staying compliant, and avoiding expensive mistakes later on.

Think of incorporation as the easy bit. Running the company properly is where good support matters.

 

2. Keep Your UTR Somewhere Safe

A couple of weeks after your company is formed, HMRC will send you something called a Unique Taxpayer Reference (UTR).

Not the most exciting piece of post you’ll ever receive — but definitely one of the most important.

You’ll need it for filing tax returns, speaking to HMRC, and setting up various tax services.

So don’t shove it in the kitchen drawer with old takeaway menus and unopened letters.

 

3. Know When Your Company Officially Starts Trading

Your company starts off as “dormant” — basically sitting there doing nothing.

But the moment you send an invoice, start advertising, buy equipment, sign a contract, or receive income

…HMRC generally considers you to be trading.

That’s when the important admin kicks in, including tax registrations and filing deadlines.

This catches a lot of people out because they assume nothing really starts until money lands in the bank.

Sadly, HMRC tends to see things a little differently.

 

4. Open a Business Bank Account Straight Away

Please don’t run your company through your personal bank account.

You might think:

“I’ll just do it temporarily.”

But temporary has a habit of turning into 18 months of confusing transactions and bookkeeping headaches.

Keeping business and personal spending separate makes life much easier when it comes to bookkeeping, tax returns, tracking expenses, looking professional, and avoiding HMRC confusion.

Most business bank accounts can now be opened online fairly quickly, so it’s worth sorting early.

 

5. Don’t Forget the Confirmation Statement

Every limited company has to file a Confirmation Statement each year with Companies House.

Even if you made no money, haven’t traded much, or completely forgot the company even existed.

It’s basically Companies House asking:

“Are these company details still correct?”

Miss the deadline and you can end up with penalties — or eventually have the company struck off completely.

It’s one of the simplest filings you’ll ever do… which is probably why people forget it.

 

6. Register for Corporation Tax on Time

One thing that surprises many new directors:

Your company does not automatically register for Corporation Tax just because it exists.

Once you start trading, you normally need to register within three months.

Miss it and HMRC may issue penalties, even if your business hasn’t made much money yet.

Definitely one of those “better to sort early” jobs.

 

7. Being a Director Comes With Responsibilities

Being your own boss is great.

Being responsible for a company’s legal obligations? Slightly less glamorous.

As a company director, you’re responsible for keeping accounting records, filing accounts and tax returns, meeting deadlines, and making sure the company follows the rules.

Even if it’s just you running the business from your spare room in joggers.

This is why getting proper advice early on can save a lot of stress later.

 

8. Use Accounting Software From the Beginning

Trust us on this one.

Trying to rebuild a year’s worth of bookkeeping from random receipts, screenshots, and half-remembered bank transfers is nobody’s idea of fun.

Cloud software like:

• Xero
• QuickBooks
• FreeAgent

can make life dramatically easier.

You can track income and expenses, connect your bank account, upload receipts from your phone, and keep everything organised in one place.

Future you will be very grateful.

 

9. Don’t Rush Into VAT Registration

The VAT threshold is currently £90,000 in turnover.

Once you go above that, registering is mandatory.

But some businesses choose to register earlier voluntarily.

Sometimes this makes sense because you can reclaim VAT on expenses, VAT-registered clients can reclaim your VAT anyway, and it can make the business appear more established.

Other times, it just creates extra admin you didn’t really need.

There’s no one-size-fits-all answer here — it depends on your business and customers.

 

10. Remember: Not All the Money Is Yours

This is probably the biggest shock for new business owners.

You finally start earning decent money… and then realise some of it belongs to HMRC.

Your company may need to pay Corporation Tax, VAT, PAYE, and potentially dividend tax personally.

A good habit is moving money aside regularly into a separate savings account so tax bills don’t arrive as an unpleasant surprise.

Because nothing ruins a good month quite like discovering your Corporation Tax payment is due tomorrow.

 

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Final Thoughts

Starting a company can feel intimidating at first, but it becomes much easier when you have the right support around you.

You don’t need to know everything immediately. You just need to get the important things right early on.

At One and Only Accounts, we help business owners keep things simple, stay compliant, and feel a lot less stressed about the financial side of running a company.

Whether you’re just getting started or already trading, we’re here to help with accounts, tax returns, VAT, payroll, bookkeeping, business advice, and ongoing support.

Need Some Help?

If you’re starting a limited company and want friendly, straightforward advice without the jargon, get in touch with One and Only Accounts today.

We’ll help you start things the right way — without the headaches. Contact us here for support and guidance on your own unique journey