Accountants for startups
Helping UK startups launch, stay compliant & scale with confidence
Starting a business is exciting but managing finances can be overwhelming. Our startup accountants provide fixed-fee packages covering company formation, VAT/PAYE setup, bookkeeping, payroll, and tax returns. With ICAEW-qualified advisors and cloud integrations (Xero, QuickBooks, FreeAgent), we free you from admin so you can focus on growth.
Company formation to filing
Business plans, cash flow forecasting & bank setup
VAT, Payroll, CIS and Pensions registration
Xero, Quickbooks, FreeAgent
Why startups choose Fusion Accountants
Launching a business is exciting, but it also comes with challenges. From managing cashflow to meeting compliance deadlines, startups need more than just basic accounting — they need proactive support that keeps them focused on growth. Here’s why founders and entrepreneurs across London and the UK choose Fusion for their startup accounting:
Fixed monthly fees with no surprises
Our startup accounting packages are affordable and transparent, with fixed monthly fees so you can plan ahead confidently without worrying about hidden costs.
Company formation & compliance support
We’ll guide you through company registration, VAT and PAYE setup, and compliance so your startup launches with the right structure and avoids costly mistakes.
Cloud-first approach for real-time insights
As Xero, QuickBooks, and FreeAgent specialists, we’ll keep your books updated with smart cloud tools, giving you instant access to cashflow and performance data.
Dedicated accountant who knows your business
You’ll get a dedicated accountant who understands your industry, manages day-to-day tasks, and provides proactive advice tailored to your startup’s goals.
Guidance to scale & secure funding
From cashflow forecasts to investor-ready reports, we help startups raise finance, scale effectively, and present credible financials to banks and investors.
Backed by 30+ years of experience
With ICAEW and ATT-qualified accountants, we combine decades of small business expertise with modern cloud technology to help startups grow with confidence.
Startup Accounting Support to Launch with Confidence
Starting a new business is exciting—but it comes with big decisions. Whether you have a clear vision or are still refining your idea, Fusion Accountants is here to support you at every stage of your startup journey.
From your first conversation with us, we take time to understand your goals, advise on structure and compliance, and help you build a foundation for growth. We’ve helped hundreds of small business owners across the UK launch successfully and confidently.
Our startup accounting services start from just £99 + VAT per month and include VAT returns, Corporation Tax filing, and quarterly management accounts reviews. It’s smart, affordable support—tailored to your needs.
Company Formation & Structure Advice Made Simple
Choosing your company structure is one of the first and most important steps. Our startup accountants will guide you through the pros and cons of being a sole trader vs. limited company, helping you make the most tax-efficient decision for your future.
We’ll handle all the paperwork, including Company formation, Companies House registration, and required documentation. We can also issue a bank reference letter to help you open a business bank account faster and with less hassle.
Our team ensures your business is set up with full legal compliance from day one, giving you peace of mind and freeing up your time to focus on growth.
Get your business off
to the best start.
We have helped thousands of UK businesses with their accounting needs. We seem to be doing a good job
as our clients are always happy to tell us.
Get Registered for VAT, PAYE, and Pensions—Stress-Free
Once you’ve selected your structure, we’ll register you for everything you need—VAT, PAYE, CIS, Pensions, and more. Our startup accounting experts will explain each step clearly, manage the submissions, and keep you updated along the way.
We ensure that all government registrations are completed accurately and on time to avoid delays or penalties. Our team will also advise you on when to register for VAT, how to structure payroll, and how each scheme fits into your long-term financial plan.
Need to raise finance or require a business plan?
We know funding is often a challenge for early-stage businesses. That’s why we’ve partnered with trusted lenders and banks to help you secure the capital you need.
We’ll also work closely with you to build a practical, investor-ready business plan—designed to support funding applications and keep your strategy on track.
Our business plans focus on clarity, credibility, and realistic projections, giving you a strong foundation to present to lenders or investors. Whether you’re applying for startup loans or private investment, we ensure your financial narrative is compelling and compliant.
Speak to a Startup Accountant Today
Whether you’re forming your first company or need help navigating VAT, our startup accountanting experts are here to guide you—step-by-step.
Tailor made premium service with your
own dedicated accountant
We offer exceptional customer service. Every client has a dedicated accountant who will help them understand their business and manage their accounts and books tax-effectively.
We are modern accountants that help businesses grow
Dalia Sreideriene at DS Eco Cleaning Services Limited says:
“Fusion Accountants tax advice helped grow my start-up cleaning business. We started from very simple things like annual tax returns and later on, we added on VAT returns and year-end accounts, Corporation tax, monthly payroll. We use cloud software and my client manager can be on the accounts at the same time and manage together. Fusion is up to date with changes and laws if something applies to my company.”
Case study – small business support
Mark is thriving with Fusion’s small business support
A small business owner came to Fusion overwhelmed by cashflow uncertainty and time-consuming bookkeeping. Our team introduced digital systems, delivered clear monthly reports, and provided proactive tax planning. With this support, they gained visibility on profitability, reduced overheads, and made confident reinvestments. What once felt like a constant financial worry became a structured roadmap for growth. They described Fusion as “the partner that turned accounting from a burden into a tool for success.” Today, their business is stronger, more profitable, and positioned to grow sustainably with the confidence to plan years ahead instead of just month by month. They now rely on Fusion for ongoing support, from payroll to compliance, giving them the freedom to focus fully on expansion.
Fusion Accountants gave me the clarity to finally focus on running my business instead of firefighting finances.
Mark Thomas
–
Small Business Owner
Set up your accounting software
Drawing on our years of experience dealing with hundreds of companies, we can help you select the best accounting system that fits your company’s needs the best which could vary significantly on your product or service or if you trade just in the UK or internationally. Drawing on our years of experience dealing with hundreds of companies.As a result, we add value and real peace of mind to our clients’ lives.
Customer service reviews
I have found Fusion accountant on the web while looking for an accountant and i am very glad I found them. Their services are very efficient. They answer all your queries and questions. They give you great advice to manage efficiently your business. Their technology made it so easy for me to start up my business and very pleased with their level of expertise. Many thanks
Burhan Timur BÜTÜN
Complete accounting & tax service
Once your startup is up and running, we take care of all your accounting and tax obligations—so you can focus on growth. From handling day-to-day bookkeeping and payroll to preparing VAT returns and filing your Statutory Accounts, we’ve got you covered.
You’ll receive regular updates on how your business is performing, with clear, jargon-free insights. Our packages include powerful cloud accounting software as standard, making compliance easier and more efficient than ever. Let us take the pressure off, so you can move forward with confidence.
EIS /SIES
Planning to raise funds for your startup? We offer support with EIS (Enterprise Investment Scheme) and SEIS (Seed Enterprise Investment Scheme)—two powerful UK tax incentive programmes that help attract investors.
These schemes provide income tax relief, capital gains benefits, and make it easier to secure the funding you need to grow. Our accountants will guide you through the process, help you understand eligibility, and manage the paperwork from start to finish.
Why our clients
love us
Affordable Startup Accounting Packages
Looking for cost-effective startup support without compromising on quality? Our transparent, fixed-fee packages are designed specifically for early-stage businesses—so you get expert advice, essential services, and powerful software in one monthly plan.
FAQ ‘s
Do I need an accountant for my startup?
Yes. An experienced startup accountant can help you choose the right business structure, register with HMRC, and stay on top of deadlines. More importantly, they’ll give you confidence in your numbers from day one so you can focus on growing your business.
What’s included in your startup accounting packages?
Our accounting packages typically include bookkeeping, VAT returns, Corporation Tax, payroll, and Self Assessment support. We also offer real-time insights and cloud software so you can make better decisions. See our full range of services for small businesses.
How much does a startup accountant cost?
Our fixed-fee packages start from just £99 + VAT per month. This includes everything from filings to software access and ongoing advice. We believe in transparent, affordable pricing with no hidden costs.
Can you help if I’m switching accountants?
Absolutely. We’ll take care of the handover, request your records, and make sure there’s no disruption to your business. Many startups come to us after realising they’ve outgrown basic or unresponsive accounting services.
What accounting software do you use?
We’re certified in Xero, QuickBooks, and FreeAgent—three of the UK’s most trusted cloud platforms. You’ll get a free licence with your plan and full setup support. For more details, check out our guide to choosing online accounting software.
Can you support me beyond tax compliance?
Yes. We don’t just file your returns—we help you build a financially strong business. That includes support with cash flow, business planning, and even funding applications through EIS/SEIS or traditional lenders.
How much tax do Limited Companies pay?
As of April 2023, Corporation Tax is no longer a flat rate:
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Companies with profits up to £50,000 pay 19%
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Profits between £50,001 and £250,000 are taxed at a tapered rate
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Profits over £250,000 are taxed at the main rate of 25%
Limited companies do not pay Income Tax or National Insurance on profits—but directors may owe personal tax on salary or dividends taken from the business.