Chartered Certified Accountants in Mitcham
We provide complete accounting support for small businesses, sole traders, contractors and charities — covering Bookkeeping, VAT, CIS returns, payroll, personal and business tax, and HMRC investigation support, all under one roof
We make business accounting simple
With 15+ years of combined experience, we deliver expert compliance and business advisory services with precision. Minimise regulatory risk, simplify compliance, and stay focused on what matters most — growing your business
Trusted Accountant, Dedicated to Your Growth
At Adept Accountax, we know that the best financial partnerships are built on trust, clear communication, and consistency. We don’t just process your year-end accounts or file your VAT on time — we take the time to sit down with you, understand how your business works, and explain everything clearly before anything is done practically.
Whether you’re running a small business, managing a not-for-profit organisation, or navigating complex personal tax queries, our goal is to give you absolute peace of mind — clear numbers, no surprises, and a partner who’s genuinely on your side.
Next-Level Accounting: Reduce Risk, Maximize Profits
Our experienced team delivers expert accounting, personal tax, business tax, and compliance advice for UK businesses, sole trader contractors, and individuals — with commercially focused solutions designed to minimise tax risk, improve financial efficiency, and support long-term business growth.
As a fixed-fee accounting and tax consultancy, we offer transparent, cost-effective support without compromising on quality. From day-to-day bookkeeping and tax compliance to business advisory and tax planning, our objective is simple: reduce complexity, control costs, and help you maximise business performance.
Beyond compliance, we help you plan ahead — identifying tax-efficient opportunities, flagging risks before they become costly, and giving you the financial visibility to make confident decisions all year round, not just at year-end.
Very knowledgeable accountant.
They look after my personal and business taxes.
I would highly recommend using their services.
Accounting Services Designed for Your Business in the UK
From day-to-day bookkeeping and payroll to strategic tax planning and compliance, we provide tailored financial solutions designed to protect your business and drive growth. Explore our core services below to see how we can support you.
Contractor Accounting
If you have decided that the best trading option for the current stage of your contracting career is a limited company, then choosing a specialist accountant in the sector is the key and that is where we will help you.
Business Consulting
Beside accountancy and taxation service, we help clients to build their business in timely and efficient manners. We help new entrepreneur to prepare a solid business plan.
CIS Return
We provide a specialist accounting services to the construction industry (CIS) ensuring contractors and subcontractors meets regulatory requirement.
Taxation
As a tax adviser, our main objective is to work closely with you to ensure that you pay the minimum tax as required by law.
Payroll
We are using the latest PAYE software and we are up to date with the current changes. We prepare weekly and monthly payslips and the reports for the payroll and the payslips will reflect and explain their salary and all the necessary or applicable additions and deductions.
VAT
We provide a specialist accounting services to the construction industry (CIS) ensuring contractors and subcontractors meets regulatory requirement.
MTD
We provide a specialist accounting services Making tax Digital (MTD) ensuring transforming tax administration. HMRC’s ambition is to become one of the most digitally advanced tax administrations in the world
Bookkeeping Services
We provide flexible bookkeeping solutions tailored to your business needs, whether you prefer in-house support or our team working on your premises.
Small and Growing Business Accounting Services
We specialise in providing practical, reliable accounting and advisory services for small and growing businesses. Our mission is to take the stress out of finance, helping you focus on growth while we handle the numbers.
Our firm is your Trusted Partners in Business Growth
We specialize in providing accounting, taxation and payroll processing services
Recognized Excellence
10+ Years in Experience
Your Growth Partners
At our firm, we are more than just service providers; we are your trusted partners in business growth. With our expertise and dedication, we work alongside you to navigate the complexities of financial management.
Complete Finance Solutions
Specializing in accounting, taxation, and payroll processing, we offer a comprehensive suite of financial services to meet all your business needs. From maintaining accurate financial records to ensuring compliance with tax laws and efficiently managing payroll.
Your Success, Our Focus
Our commitment to client satisfaction drives everything we do. We take the time to understand your unique challenges and goals, providing personalized solutions that empower you to achieve your business objectives. With our support, you can focus on what you do best.




Who We Help?
Adept Accountax Ltd: Customized Financial Solutions for You
Start-ups
We offers specialized accounting services for startups, marketplaces, and tech and fintech companies. Our expert team understands the unique challenges in these industries.
Small and Growing Business Accounting Services
We specialise in providing practical, reliable accounting and advisory services for small and growing businesses. Our mission is to take the stress out of finance, helping you focus on growth while we handle the numbers.
Group Accounting Services
Our Group Accounting Services are designed to simplify the complex financial management of companies operating under a parent-subsidiary structure. We help businesses of all sizes maintain accuracy, compliance, and insight across all entities.
Charity & CIC
We support charities and CICs with professional accounting and advisory services. With strong experience in the not-for-profit sector, we understand the challenges of limited resources, compliance, and regulation, and provide practical, cost-effective solutions to help your organisation operate efficiently and achieve its goals with confidence.
Why Adept Accountax - Chartered Accountants?
We are the best small business accountancy firm in London
Automation
We believe in the power of automation, and will help you to automate things.
We are Chartered
Regulated by ACCA: The Top Accountancy Bodies.
Experienced Team
Our team has over 15 years of combined experience in total.
Transparent Financial Advice
Our Priority is to share accurate financial information with our clients
Unlimited Support
Free telephone & email support throughout the year.
Timely and Accurate Filing
Ensuring Your Accounts Are Filed Promptly, Every Time
Dedicated Accountant
Meet, Call, E-mail or Video Call your dedicated accounts manager.
Tax Appeal Services
Our tax experts provide guidance in appealing unfair or inaccurate tax assessments.
How We Help
We’ve got you covered for all your financial needs. Whether you require tax planning, business advice, outsourced accounts, or assistance with software, our comprehensive range of services has you covered. Take a look at our full list of services and let us support you in achieving your financial goals.