01483 357651 info@osaccounts.com
OS Accounting

Forward-thinking accountants for SMEs in Dorking, Leatherhead & surrounding areas in Surrey

We help SMEs succeed

OS Accounting is a professional, trusted and highly experienced firm of chartered accountants in Dorking and Leatherhead. Our team holds an impressive track record for successfully guiding small and medium-sized businesses to succeed, assisting with accountancy, business planning tax advice and insightful business support.

We have a reputation for focused, personal service. We’ve helped hundreds of SMEs to become more profitable and grow, utilising our deep understanding of the business infrastructure and culture that is unique to small and medium-sized businesses. We’re quick to spot business challenges and can offer the guidance you need to create a compelling business plan.

Our vision is to help save you time, money and improve your profit margin. We’ll also help you to plan for expansion. We ensure you don’t miss out on the things you need to know to make the financial decisions for a successful future. Whether you are just starting out or you are at your next phase of growth, our expertise will ensure you reach your business goals.

It’s not just your annual accounts and tax compliance we look after. Our business services can help you raise capital, find grants and take advantage of tax relief schemes. With a combined 60 years’ experience helping SMEs to grow, you can be sure you are in safe hands. We can help you with much more than simply balancing your books.


We take the pain out of financial compliance so you can focus on growing your business.

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Our tax experts will make sure you pay the right tax on time and maximise your tax relief.

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Let us take care of the day-to-day VAT, payroll and company secretarial tasks that take up valuable time.

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Our experienced business advisers will help you to develop a robust business plan for growth.

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What makes us different?

You may be wondering what sets us apart from other chartered accountants in Dorking or across the UK? Well, we take the time to understand your business and can offer a wealth of knowledge and experience in the critical growth phases of SMEs. We’re not an average accountancy service – we excel in providing intelligent business solutions.

We are proud of our friendly and approachable style of working. Through our expertise, you won’t have to look anywhere else for any accounting, tax or business support services. Above all else, we can offer timely advice on some of the problems SMEs can face as they scale. We offer peace of mind and a personal touch.

Hiring an accountant has cost implications for small businesses. We have the specialist expertise to save your business money, minimise the tax you pay, and give you back the time you need to focus on taking your business to the next level. Let us help you keep your financial affairs in order and support you on your journey to success. We are here to make your life easier.

Contact Us

For accountants you can trust to take your business forward, call us now on 01483 357651. Put your business accounts in safe hands and let us help you forward plan for a bright future.
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Client Testimonials

  • 5

    Oliver Spevack , of OS Accountancy has been looking after my accounts and tax affairs . He is very professional and able to answer my questions I have regarding the accounts quickly and accurately. He is always easy to contact and very efficient at meeting his deadlines. For an accountant you can rely on look no further than OS Accountancy.
    Professional & Efficient
    Andrew Powell-Cullingford
  • 5

    Oliver Spevack at OS Accounting looks after my accounts and tax, he is approachable and friendly and is always there to help – he is on top of any deadlines, queries are answered quickly, and all his advice is well thought out and accurate. Oli and OS Accounting will make sure you feel looked after, and make sure everything is done quickly and professionally’
    Professional, Approachable & Friendly
    Liz Tagg - Groomingden
  • 5

    Oliver Spevack has been my accountant for many years, recently he has established his own accountancy business, I have made the switch to follow him as I trust him and he always does a good job. He is a knowledgeable and experienced accountant and always makes the effort to get to know his clients and their businesses so he can offer a personal bespoke service. I always feel like he has my best interests at heart and is invested in my business success, his advice is always accurate and sensible, he also answers queries quickly. I can’t recommend OS accountancy highly enough.
    Knowledgeable & Experienced
    Nicola - Haig-Brown