Accountants in Bournemouth, London
and Across the UK
AAT Licensed Accountants providing bookkeeping, VAT returns, payroll, company accounts, tax returns, HMRC representation and Companies House compliance services.
Supporting individuals, landlords, company directors, start-ups and growing businesses with fixed-fee accounting services.
Our Mission, Vision & Values
At Accountant Bookkeeping Ltd, we believe professional tax and accounting services should be clear, accessible and client-focused.
Our Mission
Helping individuals and businesses stay compliant and make informed financial decisions through clear advice, fixed fees and professional support.
Our Vision
To be the trusted accounting and tax partner for clients across Bournemouth, London and the whole of the UK.
Our Values
Integrity, accuracy, transparency, professionalism, personal service and innovation — in everything we do.
Donatas Mendelis FMAAT, AATQB
AAT Licensed Accountant · HMRC Tax Agent · Founder of Accountant Bookkeeping Ltd
With over ten years of bookkeeping experience and more than five years in public practice, Donatas helps individuals, landlords, sole traders, contractors and limited companies manage their accounting, tax and compliance requirements with confidence.
Clients enjoy direct access to their accountant, transparent fixed fees and secure digital document handling. Every submission is reviewed and approved before being filed with HMRC or Companies House, giving clients complete visibility and peace of mind.
Everything tax, under one roof
From routine Self-Assessment to specialist capital gains and property tax — a complete service for individuals and businesses across Bournemouth, London and the UK.
Individuals & Sole Traders
Self Assessment
Accurate, on-time personal tax returns for individuals and sole traders.
Learn moreCIS Tax Refunds
Claim back overpaid CIS deductions — fast, hassle-free refunds.
Learn moreBookkeeping
Accurate, up-to-date books using cloud accounting software.
Learn moreVAT Returns
Accurate VAT preparation and submission, fully MTD compliant.
Learn moreLandlord Tax Returns
Tailored returns for residential and commercial landlords.
Learn moreLimited Companies
Company Accounts
Statutory accounts prepared with precision and filed on time.
Learn moreCorporation Tax
CT600 returns prepared and submitted to HMRC.
Learn moreBookkeeping
Cloud bookkeeping for limited companies, MTD compliant.
Learn morePayroll
Reliable payroll processing, CIS and auto enrolment support.
Learn moreCompany Formation
Start your business right, from formation to first accounts.
Learn moreACSP Identity Verification
Companies House identity verification for directors and PSCs — verified by an authorised ACSP.
Learn moreTax Advisory
Tax Planning
Proactive planning to manage your tax liability legitimately.
Learn moreCapital Gains Tax
Calculations and reporting for property and investment disposals.
Learn moreHMRC Representation
Authorised agent dealing with HMRC on your behalf.
Learn moreProperty Tax
Specialist support for landlords and property investors.
Learn moreMTD Compliance
Get MTD-ready with digital records and quarterly updates.
Learn moreGet MTD-ready with confidence
Making Tax Digital for Income Tax (MTD ITSA) is changing how sole traders and landlords report to HMRC — moving to digital record keeping and quarterly updates. We help you choose the right software, set up digital records, and stay compliant with every deadline.
Digital Records
Keep your income and expenses in digital form using MTD-compatible software.
Quarterly Updates
Send HMRC summary updates of your income and expenses every quarter.
Final Declaration
A year-end final declaration replaces the traditional Self-Assessment.
Fixed fees, clearly stated
Honest, upfront pricing with no surprises. No VAT is added — the price you see is the price you pay. For anything more complex, you'll get a tailored quote before any work begins.
Fixed fees agreed in writing before work starts. No VAT added to any price.
A practice built on trust
AAT Licensed
Regulated, qualified and accountable.
HMRC Tax Agent
Authorised to file and liaise on your behalf.
Fixed Fees — No VAT
Agreed upfront, no surprise invoices.
Fast Turnaround
Your return prepared promptly and accurately.
Personal Service
Direct contact with your accountant.
Online Appointments
Flexible virtual meetings at your convenience.
Bournemouth & London
Local presence, easy to reach.
10+ Years Experience
A decade of bookkeeping behind every return.
Clients We Support
Trusted by businesses across Bournemouth, London and the UK.
We have experience supporting a wide range of sole traders, limited companies, property businesses, professional services firms, healthcare providers, hospitality businesses, technology companies, consultants and growing SMEs across the UK.
Representative examples of current and past client engagements. Certain client names may be omitted for confidentiality reasons.
Industries We Support
What Clients Say About Donatas
“I was in the process of forming an LTD, and the team was extremely professional and fast. They explained everything to me before any commitment and completed the registration live on a call.”
Guilherme da Fonseca
Google review · A year ago
Frequently Asked Questions
Yes. We provide bookkeeping services for sole traders, landlords, limited companies, and growing businesses. We work with cloud accounting software such as Xero and help keep your records accurate and up to date.
Yes. Once authorised as your agent, we can communicate directly with HMRC regarding your tax affairs and help resolve compliance matters efficiently.
Yes. We provide payroll services for directors and employees including payslips, pension administration, year-end payroll reporting and HMRC submissions.
Yes. As an Authorised Corporate Service Provider (ACSP), we assist directors, PSCs and company officers with Companies House identity verification requirements.
Yes. We support start-ups with company formations, Companies House registrations, HMRC registrations, bookkeeping setup and ongoing accounting support.
Our fees depend on the services required and the complexity of your affairs. We offer competitive fixed-fee packages and provide a clear quotation before work begins.
Yes. We prepare and submit Self Assessment tax returns for individuals, directors, sole traders, landlords, partnerships and high-net-worth taxpayers.
Yes. We support landlords with rental accounts, property income reporting, Capital Gains Tax reporting and Making Tax Digital for Income Tax requirements.
Yes. We prepare statutory accounts and Corporation Tax returns for limited companies while ensuring compliance with Companies House and HMRC.
Yes. We prepare and submit VAT returns to HMRC and assist businesses using the Standard Rate Scheme, Flat Rate Scheme and Making Tax Digital (MTD) compliant software.
Yes. We provide practical tax planning and business advisory services to improve profitability, maintain compliance and reduce tax liabilities where appropriate.
Yes. We assist sole traders, landlords and limited companies with MTD compliance, software setup, quarterly reporting and HMRC registrations.
Request Your Free Fixed Quote
Tell us what you need and we'll come back with a clear, fixed fee — no VAT, no hidden charges, no obligation.