Accounting Services for 10X Growth

Focus on Your Present; Let Us Strengthen Your Future Work with a London & Essex based accountant for tax, accounting, payroll, & EIS/ SEIS needs.


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Take Control of Your Financial Future Effortlessly


123Financials is a modern-day group of accountants in London & Essex and accounting service provider specialised in delivering tailored financial solutions for start-ups, individuals, and SMEs that get the most out of their business.

Our goal remains focusing on your present while securing your future with technology-driven, real-time financial information that makes accounting, tax affairs and bookkeeping as easy as possible.



Tax filings


Accounts filings


Number of reviews

Who We Serve?


We offer tax preparation and accounting services for individuals.


Our fail-safe fiscal strategies help new entrants uncover hidden growth potentials.

Established businesses

We are a full-finance stack with comprehensive solutions that go beyond accounting.

Our Services

Why 123Financials - Your Next Accounting Firm in London

Quick Turnaround

We are flexible with your requirements and assure to fulfil them before deadlines without any errors. Rest assured, we will submit your accounts in time, every time.

Round-the-Clock Availability

You will get access to time-tested solutions 365 days. No matter how urgent or complex the need is, our five decades of collective experience can solve any issue.

Fixed and Affordable Fee

You only pay for what you need and not a dime extra. Fixed fee, No surprises. We provide custom solutions or an all-in-one package that works best for your business in your budget.

Cream of Accounting Experts

We are a team of Tier 1 bankers, fund experts, CFOs, business finance specialists, and EX Big 4 Accountants that ensure result-oriented, regulatory compliant solutions.

Transparency Promise

We know how valuable your data are. Therefore, we promise to protect your assets as we would ours. That’s why we take all measures to secure them using the latest security solutions.

Technology Automation

We are associated with the world’s top accountancy automation partners, including Sage, QuickBooks, Asana, Zoho Projects, Jira, A2X, Hubdoc, FreeAgent, Dext, and many more.

Trusted All Over

The UK

Always there for guidance, support, on-time delivery of tax declaration and post-submission queries. An excellent accounting firm London.

Malcolm . - McInnes

Client Testimonials

123Financials team are top-notch. I’ve been very happy with their work and consistently impressed by their high level of service. They are professional, respond quickly, and provide solid advice with their client’s best interests in mind. Highly recommend.


123 Financials take the time to understand your needs as a client and not only support you from a transactional perspective but also provide advisory services. It's the first relationship I've had with an accountant in the UK that feels like a true partnership.



I couldn't recommend these guys highly enough. They have been brilliant from day one. We had a previous accountant who just messed us around and 123 came in and managed to transition everything over and we are now in a much better place. You are able to have lots of contact with them and they are always there to help improve your company. Very hands-on and I feel they do so much more than what is required. If you are looking for accountants, these are your guys!

Harry Thomas
Harry Thomas

No1 Fitness

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Worried About Switching Accountants in London & Essex?

We manage all the nitty-gritties of onboarding and help you discover how dedicated cloud-driven accounting solutions can transform your financial management.

Our switching process is simple and cost-effective. We shall contact your current accountant to get your financial information and transfer it into 123Financials dynamic infrastructure in your budget.

Rest assured, our industry-specific experts and newer technology can seamlessly propel growth and bring new revenue avenues.


Download Accounting e-book for free

Our eBook contains the intricacies of business accounting, bookkeeping, financial management, taxes, and everything that will make you complacent, Learn how to build a dynamic financial system for your company.

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Accountants In London & Essex One Place for Your Next

Are you looking for sustainable solutions to earn revenues from unprofitable clients? Want a clear and accurate blueprint of how to run your business on steady financial grounds? Worried about due diligence mergers and acquisitions? Unsure of tax filing and returns? You have come to the right place.

As a company ourselves, we understand the adrenaline rush of running a successful business. And we are here to ensure your finances are strong enough to keep up with it.

Based in London & Essex, 123Financials is one of the leading full-service accountancy firms in the UK that has helped hundreds of sole traders, contractors, e-commerce companies, SMEs, entrepreneurs, freelancers, and multinational corporates flourish on measurable results.

Our expert team can help you in all aspects of accountancy, including bookkeeping, tax planning and filing, capital gains, finance risk mitigation, CFO services, business growth strategies, and R&D credit maximisation specific to your industry.

We are accredited, So, rest assured, all your financial data and assets are regulated by the industry’s most competent accounting body.

Chartered Accountants In London & Essex - 123Financials

Our collective 50+ years of work experience have given us enough knowledge and exposure to deal with all shapes, sizes, and types of companies and their unique requirements. It has also enabled us to deliver unmatched work quality on an agile basis, every time. We have a fully-flourished accounting infrastructure powered by the cloud to accommodate umpteen data and tasks without slowing down.

We stand out among other tax accountants in london and accounting firms London by offering a friendly approach to individuals, contractors, startups, and established enterprises to assist them in growing their businesses at a low cost. We will work alongside you, get to know your business, and give the best solutions and creative ideas to help you achieve your goals, unlike other accounting businesses.

We will guide you at every level of your business, whether you wish to build your firm, reduce your tax burden, or increase your profit. So, let's work together and take your business to new heights like never before.

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