ACCOUNTANCY FIRM LONDON

Accounting Firm in London You Can Trust to Keep Your Finances on Track

Looking for an accountancy firm in London that can provide for all of your needs? From expert bookkeeping, to compliance services, and tax planning, here at Zazentax, we’ve got you covered. 

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Professional accountant preparing financial statements for a UK business

No hidden fees!

WHY US

Why Choose Our Accounting Services?

Dedicated London Accountancy Firm

Operating in the capital of the country can be more challenging than anywhere else. When you choose Zazentax, you are getting a named accountant who understands your business, and the challenges you face. They will be your partner throughout your time on the market, offering advice using their superior local expertise in comparison to other companies on the market.

Compliance Is A Top Priority

Keeping track of HMRC requirements can be a tough job on top of everything else, so we’ll take on that task for you. We take pride in being able to prepare accurate submissions, on time, without delay. No late fees, no stress around compliance – whether it’s your payroll, VAT, or tax filings, we’ve got you covered.

Fixed Fees For No Surprises

As a business, we know one of the worst parts of outsourcing is being quoted one price, and then when you receive your bill, you have so many hidden fees to pay. We don’t believe in that. Our fees are fixed, with no hidden extras so that you know what to expect.

Clarity on costs is essential when running a business in the capital, and we’re an accountancy firm London business owners can trust to provide that.

Cloud-Based Solutions

If you’re sick of manual uploads and mismatched data, our cloud based accounting solutions are perfect for you. We integrate with QuickBooks, Xero, and other leading platforms to provide accurate, real-time reporting for each of our clients. Streamline your accounts, and watch your stress levels decrease dramatically.

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PROBLEM SOLVED

Problems? We’ll Solve Them

Constantly Running Behind?

If you’re constantly behind in business because you’re manually doing everything, our automation and streamlining solutions can give you back the time you’re wasting.

Terrified Of Compliance?

We don’t blame you. It’s difficult to keep up with all of the rules and regulations, so we will do it for you. We keep your books ready for HMRC all year round, meaning no stress, and no penalties.

Tired Of Feeling Out Of The Loop?

Even when you’re the one managing your finances, it’s easy to feel out of the loop when things get away from you. We provide you with monthly reports, providing easy to understand insights on profitability, cash flow, and any tax obligations.

Digital accounting services helping entrepreneurs stay compliant
HMRC-ready reports and tax returns managed by certified accountants
Accountant reconciling business transactions in Xero and QuickBooks

WHY CHOOSE US

An Accountancy Firm London With Expertise You Can Trust

UK accounting firm providing real-time financial reporting
Keeping It Local

Choosing a London accountancy firm as a London business gives you an edge you didn’t know you needed. We have a solid understanding of all of the regulations and challenges that will impact your business, both within and outside of London.

Your business needs someone to assist you in navigating local tax rules, comparing rates for various boroughs, and providing overall support in what is the fastest paced area of the UK. That’s us.

Our team has learned over the years, working with business from startups to companies who took the market by storm, becoming enterprises within London. This has allowed us to get deeper insights into the best ways to help London businesses grow, making us the best accountancy firm London businesses can partner with.

Small business owner reviewing clear monthly accounting reports
See It To Believe It

We don’t expect you to take our word for it, though. Not only will you see the growth and improvement in our monthly reporting, you will also see it in the way that our clients, both past and present, speak about us.

Our goal is to free up business owners by shifting the load onto our backs, handling the bookkeeping and compliance. Providing clear reporting and advice specific to the London business we are serving, companies stay on top of their finances, making smarter financial decisions to grow later down the line.

Experience You Will Benefit From

Zazentax is not a new company. We’ve been here, serving the companies of London for years, and have helped support hundreds of businesses with our professional services. With our experience spanning across multiple industries, we have a fantastic knowledge base that we can apply to your business, putting us at the top of the list for accountancy firms London business owners should consider.
Smooth, reliable, and knowledgeable: that’s our promise to you.

OUR SERVICES

What Can We Offer Our Clients?

Tax Planning And Filing

Tax can be a nightmare to navigate when you have so much else on your plate. We offer you a full tax planning and filing service, taking care of your account, keeping it compliant, and looking for tax-saving opportunities at the same time.

Bookkeeping And Reconciliations

Business accounts always need to be kept accurate and up to date, and we take that very seriously. No more chasing numbers and fixing errors, we’ve got you covered.

Strategic Advice And Growth Support

Expanding inside London is a challenge, and expanding further than London is even more of a challenge. We provide you with insights and advice to help make this process as easy as possible, using our deep industry knowledge to guide you.

Payroll Management

Calculating salaries and deductions, managing pension contributions, submitting to HMRC, it’s all a long process. We’ve got you covered, making it easier than ever before to stay compliant and file on time.

Management Reporting

You need to understand your finances, and our monthly reports make that happen. They are easy to read and broken down into detailed sections, ensuring you always know how your business is performing.

PRICING

Pricing Options To Fit Your Budget

Our packages have been created to fit your budget, and your current business stage. All of our plans are customisable, so you can add on elements as your needs change over time. We offer our three set plans which are:

Operate

For business owners who want to ensure they tick all basic compliance boxes as they grow

from
£ 71/m
£850 billed annually, per financial year + VAT

Get this plan


Financial software
  • Create, send and chase invoices
  • Capture bills and receipts easily
  • Pay bills in one click
  • Reimburse expenses
  • Connect your banks
  • Use multiple currencies
  • Connect ecommerce marketplaces
Bookkeeping
  • Unlimited bookkeeping
  • Automatic reconciliations
Expert service
  • Initial consultation with a tax expert
  • In-app chat
  • Tax advice on payroll and dividends
  • Business review with accountant annually
Tax and filings
  • Annual filings
  • Self-assessment
Payroll
  • PAYE registration
  • 1st Director Payroll
Company admin
  • Unlimited corporate changes
Historical work
  1. Catch-up bookkeeping £85/m
  2. Urgency filing £200
  3. Historical annual filing and bookkeeping £680/y

Grow

For businesses nearing VAT registration, seeking up-to-date analytics and consultations

from
£137/m
£1,640 billed annually, per financial year + VAT

Get this plan


Financial software
  • Create, send and chase invoices
  • Capture bills and receipts easily
  • Pay bills in one click
  • Reimburse expenses
  • Connect your banks
  • Use multiple currencies
  • Connect ecommerce marketplaces
Bookkeeping
  • Unlimited bookkeeping
  • Automatic reconciliations
Expert service
  • Initial consultation with a tax expert
  • In-app chat
  • Tax advice on payroll and dividends
  • Business review with accountant annually
Tax and filings
  • Annual filings
  • Self-assessment
Payroll
  • PAYE registration
  • 1st Director Payroll
Company admin
  • Unlimited corporate changes
Historical work
  1. Catch-up bookkeeping £85/m
  2. Urgency filing £200
  3. Historical annual filing and bookkeeping £680/y

Scale

For entrepreneurs earning £350k+ annually, managing multiple roles and seeking to simplify financial tasks

from
£ 224/m
£2,690 billed annually, per financial year + VAT

Get this plan


Financial software
  • Create, send and chase invoices
  • Capture bills and receipts easily
  • Pay bills in one click
  • Reimburse expenses
  • Connect your banks
  • Use multiple currencies
  • Connect ecommerce marketplaces
Bookkeeping
  • Unlimited bookkeeping
  • Automatic reconciliations
Expert service
  • Initial consultation with a tax expert
  • In-app chat
  • Tax advice on payroll and dividends
  • Business review with accountant annually
Tax and filings
  • Annual filings
  • Self-assessment
Payroll
  • PAYE registration
  • 1st Director Payroll
Company admin
  • Unlimited corporate changes
Historical work
  1. Catch-up bookkeeping £85/m
  2. Urgency filing £200
  3. Historical annual filing and bookkeeping £680/y

TESTIMONIALS

What our clients think about Zazentax

“I was looking for someone who understands eCommerce, not just a general accountant”

Eddie
Owner, Penang Media LTD

“Gerda is fantastic and always made time to answer my questions. I couldn’t recommend her enough”

Calum
Owner, Seashell LTD

“Zazentax’s accountants are clear, responsive and proactive in giving advice and guidance when I need it.”

Mike Hattiger
Project Manager, Layers

FAQs

Can’t find the answer you’re looking for? Please chat to our friendly team.

Most accountancy firms in London provide a complete range of services including bookkeeping, tax preparation, VAT returns, payroll, and business advisory. Many London accountancy firms also specialise in sectors like e-commerce, tech startups, or professional services, offering tailored financial support that helps companies grow faster and stay HMRC-compliant.

When selecting a London accountancy firm, look for transparent pricing, recognised qualifications (ACCA or ICAEW), and experience within your industry. It’s also worth checking if the firm uses cloud software like Xero or QuickBooks — this ensures real-time visibility of your finances wherever you are.

Yes — many accounting firms in London UK focus on supporting small and medium-sized businesses. These firms provide cost-effective monthly packages, simple onboarding, and dedicated accountants who understand the specific challenges faced by London-based SMEs.

Absolutely. Because London is a global business hub, most accounting firms in London England are equipped to manage international tax matters, multi-currency reporting, and cross-border compliance. If you trade overseas, choose a firm experienced in UK and international accounting standards.

A local accountancy firm in London offers personal service, local market knowledge, and faster communication. While national firms can be larger, local accountants often provide more direct access to experts who understand London’s unique business environment, borough tax rules, and sector-specific opportunities.

The cost of accountancy in London depends on the size and complexity of your business. Startups might pay from £100–£250 per month for bookkeeping and compliance, while growing companies needing payroll, VAT, and advisory services may invest more. The best firms offer clear, fixed-fee pricing so you always know what to expect.

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