Self Assessment Tax Returns

Navigating the maze of self-assessments can be a daunting endeavour, one that demands precision, understanding, and acute attention to detail. At Sloane Winckless & Co, we endeavour to transform this daunting journey into an enlightening experience. Possessing a rich tapestry of expertise and a client-centric approach, our firm has become synonymous with mastery in self-assessment tax returns. Our team, comprising seasoned tax professionals, is attuned to the latest HMRC stipulations, ensuring compliance without compromise. But our role isn’t merely that of advisors. We perceive ourselves as your strategic partners, aiding you in making informed decisions that optimise your tax position. Leveraging technological tools with time-tested strategies, we meticulously review every facet of your financial profile. The result? An accurate, timely, and beneficial self-assessment that resonates with your financial aspirations. With Sloane Winckless by your side, self-assessment is not just a regulatory obligation, but a gateway to fiscal empowerment.


Why Sloane Winckless is Your Premier Choice for Self Assessment

In the vast landscape of financial advisory, what sets Sloane Winckless apart is our synthesis of tradition and innovation. Our foundational principles are rooted in integrity, transparency, and diligence, which have been upheld and refined over the years. Clients choose us not just for our technical proficiency but for our unwavering dedication to their unique needs and aspirations. Every self-assessment overseen by our team undergoes a rigorous process, scrutinising each detail with the keen eyes of seasoned experts.

Beyond the numbers and tax codes lies our true differentiator: a genuine understanding of the human side of finance. We recognise that each self-assessment represents individual dreams, goals, and life’s work. Therefore, our approach is holistic, viewing every client’s financial landscape within the broader tapestry of their life’s journey. In a world where personal touch often gets overshadowed by digital interfaces, we ensure that empathy and personalised guidance remain at the heart of our services. Trusting Sloane Winckless with your self-assessment is more than a business decision; it’s a partnership for financial clarity and peace of mind.

Effortless Self Assessment Filing: Our Promise to You

At Sloane Winckless, we understand that tax season can evoke a mix of apprehension and confusion. Navigating the labyrinth of paperwork, deadlines, and regulations can be overwhelming, even for the most seasoned professionals. Our pledge to you is to transform this arduous task into a seamless experience. With a wealth of expertise acquired over the years, our dedicated team delves deep into the specifics of your financial scenario, ensuring precision in every field detail. We’re not just about filling out forms; we’re about sculpting a tax strategy that aligns with your goals and aspirations. Our approach is comprehensive – from initial consultation, strategising, to final submission, we ensure every step is marked by thoroughness and efficiency. By entrusting us with your self-assessment, you’re not only ensuring compliance with HMRC but also positioning yourself to make the most of available allowances and reliefs. Experience the tranquillity that comes from knowing your finances are managed with utmost diligence and care. With Sloane Winckless & Co, you aren’t just filing a tax return; you’re embracing an effortless future of financial clarity and assurance.
Chartered Accountants
We are members of the Institute of Chartered Accountants in England and Wales. This gives you the reassurance you need that your business will be looked after properly and professionally.
Supporting You
We can produce monthly or quarterly management accounts, an annual profit & loss account, a balance sheet plus budgets & cash flow forecasts to help you to manage & plan. For annual accounts and much more, call Sloane Winckless & Co.
Not Just Accountants
In addition to preparing your annual accounts and advising on financial matters throughout the year, we are also able to assist with many other aspects of your business, including, Payroll & PAYE, National Insurance, VAT, taxation and much more.


With all the changes in legislation that come into force every year and which affect the way, your business should behave. One call to us on 020 8949 6921 and you’re covered – make that call today.

Understanding the Breadth of Our Expertise

Spanning across the vast spectrum of taxation and financial advice, Sloane Winckless’ expertise stands as a testament to our dedication and passion in the realm of accountancy. We don’t believe in a one-size-fits-all approach; rather, we celebrate the uniqueness of each client, tailoring solutions that resonate with their individual needs and aspirations. Our extensive portfolio has seen us partnering with sole traders charting their first financial course, established businesses scaling new heights, and investors manoeuvring the intricate terrains of property and equity.

For every client that walks through our doors, we employ a synergy of deep-rooted knowledge and innovative strategies to craft a financial narrative that not only aligns with current objectives but also paves the way for future prosperity. Beyond numbers and ledgers, our strength lies in understanding the ambitions and challenges of our clientele, ensuring a partnership that transcends traditional accounting. With Sloane Winckless, you’re not just availing a service; you’re becoming a part of a legacy that values precision, integrity, and, above all, the unique stories of all its patrons.

Why Choose Us

Sloane Winckless & Co is an accountancy based in Epsom & Ewell. We are highly rated in the local and surrounding areas for providing high-quality accountancy services varying from accounting, taxation advice, company secretarial, and more. We treat every client, business, and individual with the same attention to detail while also providing a completely bespoke approach to cater to any unique requirements. Our business strives on being able to provide efficient, effective, and expert advice and results for our clients. Whether you have a small company with just 3 staff members or a much larger organisation, we provide a service that is tailored to your needs and requirements.


Our team of staff always ensures that our clients are fully satisfied with our services. From asking questions to voicing any concerns, we listen, take on board, and take action.


Sloane Winckless as an accountancy has over 35 years of experience in helping, assisting, and advising many businesses ranging in size.


Our helpful team of staff is always on hand to provide expert advice for any concerns or worries that our clients may have.


If your company accounts are not submitted on time there can be penalties and problems so talk to us 020 8949 6921 in plenty of time – today would be good!

Our Process

Speak To A Specialist

First, start by getting in touch with an expert member of the team, they can point you in the right direction of what your business may be looking for.

Select The Best Service For Your Business

Your business is unique, meaning it will have different needs and requirements from others. Our team have the knowledge and expertise to provide a bespoke service everytime.

Let Us Take Care Of Your Business' Finances

Once it is made clear what your business needs from us, we can start moving forward on getting your business in the right direction, and then ultimately, maintaining that position. 

Trust in Tradition: A Track Record of Excellence

Throughout the annals of our company’s history, Sloane Winckless has been more than just an accountancy firm; we’ve been a constant beacon of trust, reliability, and top-tier expertise. Rooted deeply in foundational values, every financial solution we deliver stems from decades of experience, reinforced by a forward-thinking approach. It’s this fusion of time-honoured practices with contemporary knowledge that sets us apart.

Our clients, spanning generations, can attest to the unparalleled dedication we bring to each task. Whether it’s the meticulous details of a tax return or the strategic planning for a business venture, our commitment to excellence shines through. Each success story we’ve been a part of not only adds to our legacy but also fuels our drive to continue setting industry standards.

At the heart of our tradition lies a simple promise: to always prioritise our clients’ aspirations and challenges, offering solutions that are both prudent and innovative. When you partner with Sloane Winckless, you’re not merely hiring a service, but aligning with a legacy of excellence that ensures your financial journey is nothing short of exceptional.

Related Services

For businesses that require independent verification and validation of their financial statements, we offer auditing and assurance services.
Company Secretarial
Our team of experienced professionals specialises in providing comprehensive company secretarial services to ensure that your business meets all regulatory obligations and operates smoothly.
Taxation Advice
Navigating the ever-changing tax landscape can be challenging. Our team of tax experts will work closely with you to develop effective tax planning strategies.
For businesses that require independent verification and validation of their financial statements, we offer auditing and assurance services.
Taxation Advice
Navigating the ever-changing tax landscape can be challenging. Our team of tax experts will work closely with you to develop effective tax planning strategies.
Company Secretarial
Our team of experienced professionals specialises in providing comprehensive company secretarial services to ensure that your business meets all regulatory obligations and operates smoothly.

Self Assessment Tax Returns FAQs

A self-assessment tax return is a mechanism used by HMRC to collect tax on various income sources. While most individuals have tax deducted directly from their salaries, some, such as entrepreneurs, business partners, property landlords, or those earning significantly from investments, must declare it via self-assessment.
At Sloane Winckless, we’ve developed a method to alleviate the intricacies of tax regulations for our clients. Our seasoned professionals meticulously gather all pertinent financial data, offer bespoke tax insights, and ensure all filings are on schedule, ensuring a hassle-free experience and accurate tax payments.
Overlooking the submission deadline or inaccuracies in your self-assessment can result in financial penalties and added interest from HMRC. Ensuring promptness and precision is vital, and this is where our team’s expertise becomes invaluable, minimising such pitfalls.
Of course! Our doors at Sloane Winckless are always open, whether you’re well-versed in tax matters or are exploring self-assessment for the first time. We excel in breaking down complex tax issues for all clients, irrespective of their familiarity.
Beyond self-assessments, Sloane Winckless provides an array of tax-related services. This encompasses guidance on business taxation, inheritance planning, strategies for capital gains tax, advice on pension tax benefits, and a broader spectrum of financial solutions.


Sloane Winckless & Co is the trading name of Sloane Winckless & Co Limited. Registered in England No 4724070.
We have more than 35 years’ experience in serving small & medium businesses in the Epsom & Ewell area with a wide range of personal tax & business accountancy services. Contact us today to find out how we can help you and your business.

Feel Free To Contact And Reach Us For More Info !