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What to Expect in Your
First 500 Days in Business

6 min read
March 18, 2026

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The first 500 days of business are exciting, challenging and full of lessons you can’t always prepare for.

Understanding and anticipating what those early days could look like can help you feel more confident and avoid some common pitfalls we see when working with new founders.

This roadmap walks you through the key stages: setting up correctly, making those all-important initial sales, learning and adapting, navigating your first year-end and planning for the future.

1. Setting up Correctly (Days 1-60)

Too many founders rush the essential first stage of setting the foundations of their business, which leads to problems later.

 

Key tasks in this stage include:

Choosing the right structure

Sole trader or limited company? Both have pros and cons. Your decision will affect your tax responsibilities and how you pay yourself.

 

Registering with HMRC/Companies House

Ensure you’re correctly registered for Self Assessment, Corporation Tax (if applicable) and other obligations.

 

Opening a business bank account

Keeping personal and business money separate is an essential part of your compliance.

 

Basic record-keeping systems

Pick something simple you’ll actually use – there are plenty of accounting software systems available, such as Xero, FreeAgent, QuickBooks and Sage Cloud.

 

Understanding taxes from day one

Income Tax, Corporation Tax, allowable expenses, VAT thresholds and Making Tax Digital (MTD) requirements can sound confusing but the earlier you understand the basics, the easier it is to ensure you’re on track with your deadlines.

 

Many founders don’t yet realise how much of the business journey depends on getting these early steps right. Once the admin is under control, the fun bit can start – making sales and building your brand!

2. Your First Sales (Days 30-120)

Once you’re legally set up and have good financial habits in place, your attention naturally shifts to the exciting part of starting a business: making sales!

 

In this stage, you should expect:

Inconsistency

Some weeks you’ll feel unstoppable, others will feel eerily quiet. That’s normal.

 

Experimentation

You’re still figuring out exactly what your ideal customer actually wants – not what you think they want.

 

Awkward first attempts

Sending your first invoice, writing your first proposal or pitching your first pitch all feel strange as you work out how to make your offer land. It gets easier!

 

Learning what works

You’ll start to recognise which activities bring results and which drain your time.

 

This is also the stage where you’ll realise that admin takes longer than expected. Client onboarding, creating invoices, chasing payments and responding to enquiries all eats into your week. Find out what system works for you, whether it’s blocking off your Monday mornings or doing little and often every day, and stick to it.

3. Learning, Adapting and Building (Days 120-150)

By this point, you’re settling into a rhythm and have identified patterns.

Expect to:

Adapt your pricing

Most new founders under-charge at the beginning. Around this time, many adjust their prices to reflect demand, costs and value.

 

Refine your offer

You might drop services that haven’t taken and focus on what customers actually want.

 

Build an operating system

Templates, workflows and software help you save time and look more professional.

 

Understand the importance of cash flow

You’ll begin seeing when money enters and leaves your business each month.

If you’re not sure what a cashflow should look like, download our free template here.

 

Establish relationships

Your network grows, you get referrals and familiar names support your journey.

 

Financially, you should be:

  • Putting money aside for tax.
  • Filing receipts and records as you go.
  • Tracking income and expenses.
  • Checking whether your turnover is approaching the VAT threshold.

 

Consistency in this phase helps you feel more in control of the business and confidence is palpable!

4. Your First Year-End (Days 250-365)

Reaching your first year-end is a major milestone. It can also be a time of panic for first-time business owners, but it doesn’t need to be stressful if you’ve built good habits.

Here’s what to expect:

Deadlines

  • Sole traders: Self Assessment deadline on 31 January.
  • Limited companies: Self Assessment deadline for Directors. Accounts, VAT (if applicable) and Corporation Tax deadlines depend on your company year-end. Corporation Tax is paid on your company’s profits, making it important to understand cashflow and tax planning.

 

Bookkeeping

Your accountant will need accurate income and expense records. If you’ve kept up with this during the year, the year-end process is much more manageable.

If you need a free budget template, download ours here.

Reviewing what worked

Your first year gives you a huge amount of data:

  • Which services sold well?
  • When did sales dip?
  • Which clients or customers repeatedly bought from you?
  • Which activities took more time than they were worth?
  • Where is your money and energy best spent?

Use this review to plan for your second year.

5. Deciding Whether to Hire (Days 300-500)

If you decide to take on an employee, you’ll need a PAYE scheme, a workplace pension scheme and to follow employment rules.

 

Here are three signs you’re ready to hire:

  1. You’re turning down worthwhile work because you don’t have capacity.
  2. You’re spending more time on admin than delivery.
  3. You have predictable income that supports monthly payroll.

 

You do have options when it comes to taking on workers:

  • Freelancers are flexible and low-commitment from your perspective as you’re not technically an employer.
  • Virtual assistants are great for admin, social media scheduling or inbox management.
  • Employees are higher responsibility but can have a wider and bigger impact on your business.


Before hiring, make sure you understand the cost, legal obligations and processes involved.

6. Scaling What Works and Dropping What doesn’t (Days 365-500)

By now, you should be able to:

  • Identify the products/services that generate the most revenue.
  • Drop the offerings that drain your time for little return.
  • Double down on the marketing channels that work.
  • Increase or optimise pricing based on real data.
  • Build a clearer financial plan.

 

Stop guessing and base your decisions on data and evidence.

7. Plan Year 2 and Beyond (Days 365-500)

Year 2 planning typically includes:

  • Your revenue targets.
  • Forecasting tax bills.
  • Considering expanding your team (via hiring or outsourcing).
  • Strengthening cash reserves or saving for a purchase.
  • Reviewing your business plan against real data.
  • Refreshing your website, branding or processes to ensure you’re still relevant to your actual clients.
  • Exploring new opportunities or markets.

 

Most importantly, you’re thinking long-term rather than just surviving month on month.

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Your first 500 days of business will be full of growth, trial and error, small wins and meaningful developments.

No two journeys look identical so don’t compare yourself too much.

The good news is that you don’t need to figure it out alone. In your early stages of trading, we can help you understand your financial and compliance obligations.

At Thickbroom Enterprise CIC, we help you to navigate the legal and financial responsibilities of establishing and maintaining a business in the UK, without the price tag.

We provide:

  • A free 1-hour session with a qualified accountant, tailored to your business needs.
  • A comprehensive Start-Up Support Booklet to guide you through your first year.
  • A follow-up call to check on your progress.

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