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    How Long Does It Take to Form a Company in the UK?

    by Richard Osborne
    date blog image

    August 11, 2025

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    If you’re ready to start your own business, you’ve probably asked yourself:

    “Okay, but how long does it actually take to set up a company in the UK?”

    The good news: not very long! In fact, depending on how you register, you could be up and running in just a few hours. Let’s walk through the different timelines so you know what to expect—and how to make things as quick and painless as possible.

    The Slow Lane: Paper Applications

    If you go old-school and apply directly to Companies House by post, the process can take 8–10 working days (sometimes longer if there’s a backlog). You’ll also need to fill out lengthy forms by hand and wait for them to be manually reviewed.

    For entrepreneurs keen to get trading quickly, this method feels slow and outdated.

    A Quicker Option: Online Applications

    Applying directly through Companies House online is faster, typically taking 24–48 hours for approval. This is because your application is processed electronically and doesn’t require the same level of manual handling.

    But here’s the catch—while faster, the direct Companies House application can still feel confusing if you’re not familiar with the details: SIC codes, shareholder structures, or articles of association. One small mistake could delay things.

    The Fast-Track Route: Using a Company Formation Agent

    Here’s where most people find their sweet spot. When you register through a company formation agent, your application is checked, packaged, and sent off in the right format. That means Companies House can approve it much faster—sometimes in just a few hours.

    This is where eFiling comes in. You might not see us directly, but we’re the business formation software working behind the scenes to make life easier for both agents and business owners. Think of us as the friendly tech partner making sure your application sails through without hiccups.

    Why Does eFiling Make It Quicker?

    When you work with a formation agent who utilises eFiling’s company incorporation software, here’s what you get:

    • Same-day turnaround – many applications are approved within hours
    • Error checks built-in – the software spots issues before they cause delays
    • Step-by-step support – you’re guided through what details to provide, so nothing important gets missed
    • Peace of mind – everything is handled electronically, safely, and smoothly

    Basically, we take the stress out of it so you can focus on the exciting part—actually starting your business.

    So, How Long Does It Really Take?

    Here’s a quick recap:

    • By post: 8–10 working days.
    • Online via Companies House: 24–48 hours.
    • Through a formation agent using eFiling: Same day, often within hours.

    The Bottom Line

    Starting a company in the UK doesn’t need to be a waiting game. If you want the fastest, smoothest route, using a formation agent that’s powered by eFiling is your best bet. We make sure your application is correct, quick, and stress-free—so you can focus on launching your big idea.

    Check out eFiling and see how easy it can be to get a company officially registered.

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