Accountants & tax advisers in Dorset
Proactive accounting, tax, bookkeeping & payroll for Dorset businesses — with UK-wide support
Let’s realise your vision.
Atreus Accountants supports businesses and individuals across Dorset with accounting, tax, bookkeeping, VAT and payroll. Whether you’re a sole trader, landlord or limited company, we provide clear, proactive advice and efficient processes to keep you compliant and tax-efficient.
Friendly, professional accountants offering proactive, tailored advice across Dorset. From cloud bookkeeping to tax returns, we help you stay on top of deadlines and make confident decisions — saving you time, stress and money.
Serving Dorset businesses
We support clients across Dorset, including Wimborne, Ferndown, Poole and Bournemouth. If you want proactive support, accurate reporting and help staying on top of HMRC deadlines, we’ll take care of the accounting and tax so you can focus on running your business.
Sectors
Where you’re going you’re going to need a co-driver
We deal with businesses in all aspects of services from florists to financial advisers. No business or sector is new to us and no business is too small. We aim to help save our client time, money and stress, not just out of the box accounting but much more to help you on your journey.
At Atreus we believe in putting into action a strategy for each business, to view where the business currently is at, where it wants to be and organising a plan for the business to get there.
Hospitality
Specialist accounting for restaurants, pubs and hospitality businesses — improving margins, managing VAT and keeping cash flow under control.
E-Commerce
Accounting for online sellers across Shopify, Amazon and multi-channel platforms — with clear reporting, VAT support and scalable systems.
Motor trade
Specialist motor trade accountants helping dealers and workshops manage VAT schemes, margins and compliance with confidence.
Our services
Small improvements in bookkeeping, reporting and tax planning add up to big results. We help Dorset business owners stay compliant, understand their numbers and make confident decisions — while we handle the accounting and tax admin.
Annual Accounts
Preparation of accurate annual accounts for Dorset limited companies and sole traders, ensuring compliance with HMRC and Companies House requirements. We provide clear explanations of your figures, so you understand your results and can plan ahead with confidence.
Self-Assessment
Professional Self Assessment services for sole traders, company directors and landlords. We ensure your tax return is completed accurately, submitted on time, and that all available allowances and reliefs are claimed.
Tax returns
Support with personal and business tax returns, helping you meet HMRC deadlines while keeping your tax position as efficient as possible. We focus on clarity, compliance and avoiding unnecessary penalties.
Partnership Tax Returns
Specialist support with partnership tax returns, ensuring profits are correctly allocated and reported for each partner. We help partnerships stay compliant while keeping reporting straightforward and well organised.
Corporation Tax Returns
Preparation and submission of Corporation Tax returns for Dorset limited companies, including accurate calculations and timely filing. We also provide forward-looking advice to help manage future tax liabilities.
Bookkeeping
Reliable bookkeeping services using cloud accounting software to keep your records accurate and up to date. This provides better visibility over your finances and forms a strong foundation for tax compliance and planning.
Trusted by business owners across Dorset — here’s what clients say.
Our Blog
Practical guidance for Dorset business owners — tax, bookkeeping and compliance updates.
Making Tax Digital (MTD) Explained: A Simple Guide for Small Businesses
Making Tax Digital (MTD) is one of the biggest changes to the UK tax system in recent years — yet many small business owners are still unclear on what it means for them. This guide explains Making Tax Digital in plain English, who needs to comply, and what you need to...
UK Small Business Tax Calendar: All Key Deadlines You Must Know
Running a small business in the UK means juggling a lot — and tax deadlines are one of the easiest things to miss. Unfortunately, HMRC penalties aren’t forgiving, even if the mistake was accidental. This guide breaks down the key UK tax deadlines for small business...
Advice that takes your business to the next level
Comprehensive accounting, tax & business support across Dorset — with UK-wide support where needed.