ACCA-Qualified · Supporting Clients worldwide

Expert Accounting
Proactive, Transparent and Jargon Free

MCas Accountants brings ACCA-qualified expertise and over 30 years of experience, supporting SMEs, sole traders, contractors, startups, individuals, expats and Digital Nomads.

ACCA-qualified professionals
30+ years of experience
Serving clients worldwide
Cloud based accounting & MTD experts
Top Accountant London 2026 — MCas Accounting & Tax Services

Your growth, our expertise: supporting individuals and businesses from start-up to scale-up

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Sole Traders

Self-assessment, expenses, MTD compliance, and proactive tax planning

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Contractors

IR35, limited company accounts, self-assessment, and CIS returns, we understand contractor life and keep you compliant.

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Startups

From company formation to bookkeeping, budgeting and cashflow management, helping you build the financial foundations for your business from day one.

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Individuals

Self assessments, Capital Gains (including crypto), Pension, Rental income, ensuring you are compliant and tax optimised.

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SMEs

From corporation tax and payroll to management accounts and strategic CFO-level support, standing along side you as you grow.

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Expats and Digital Nomads

Leaving or entering the UK we will help you navigate UK tax residency and cross border taxes. For Digital Nomads, we manage your UK tax obligations wherever you pitch your laptop, ensuring your tax compliance travels with you.

Here for all Your Accounting & Tax Needs

A complete range of accounting, tax, and advisory services, tailored to your situation, not a one-size-fits-all package.

Self Assessment and MTD ITSA

Self-assessment and MTD ITSA compliance with year-round tax planning to ensure you are tax optimised.

For: Individuals, Landlords & Freelancers
Company Accounts & Statutory Filings

Statutory accounts prepared and filed at Companies House and Corporation tax filing with HMRC.

For: Limited companies & SMEs
Expats & Digital Nomads

Assessing UK tax residency status, cross border taxes and digital nomad tax requirements.

For: Freelancers, Individuals with complex tax affairs
VAT Returns & MTD Compliance

Accurate VAT returns submitted digitally under Making Tax Digital rules.

For: VAT-registered businesses
Payroll & PAYE Services

End-to-end payroll processing, PAYE processing including auto-enrolment

For: Employers of all sizes
Bookkeeping & Management Accounts

Real-time cloud bookkeeping and monthly or quarterly management accounts that give you up to date financial information to help you make the right business decisions.

For: Growing businesses, SMEs and VAT registered businesses
Business Structuring & Company Formation

Setting up a limited company, restructuring an existing business, or planning a new venture — we make sure the foundation is right.

For: New and restructuring businesses
FD & CFO Services

Forward-looking financial modelling to provide essential insights so you can make decisions with confidence, not guesswork.

For: Growing SMEs & ambitious owners
HMRC Liaison & Compliance

We handle correspondence and enquiries with HMRC directly, so you are never left navigating that alone, be it Worldwide Disclosure Facility, Let Property Campaign or general HMRC compliance check.

For: Directors, high earners, landlords, and individuals

We Work With the Tools You Know

MCas is proficient across all the leading cloud accounting platforms. If you already use one, we'll work with it. If you're not sure which to choose, we'll help you decide.

Xero
QuickBooks
Sage
FreeAgent
Apron
Hubdoc
DEXT
Hammock

More Than a Number-Cruncher

The best financial partners don’t just crunch numbers; they actively care about your success. We combine deep expertise with a genuine commitment to your unique goals with proactive and dedicated services.

Your Own Dedicated Accountant

A dedicated accountant that knows your business, your goals, and your situation. No call centres. No being passed around.

Transparent, Fair Pricing

No surprises on your invoice. We agree a fee that reflects the work, explain what it covers, and stick to it.

30+ Years of Practical Experience

ACCA-qualified with decades of real-world experience across industries.

Proactive, Not Just Reactive

We flag opportunities and issues before they become costly problems — not just after the year-end scramble.

Cloud Based Accounting

Real-time visibility, digital record keeping, and MTD-ready processes.

Free Consultation to Start

Every new client relationship starts with a no-obligation 1-to-1 video call. No hard sell, just an honest conversation.

Important

Making Tax Digital for Income Tax Is Changing Everything

Making Tax Digital for Income Tax is now live. Sole traders/Freelancers and landlords above the income threshold are legally required to keep digital records and submit quarterly updates to HMRC. Are you ready? MCas can assess your position and get you set up and registered with HMRC.

Find Out If You're Affected →
6 April
2026
MTD Starts

Ready for an Accountant Who Actually Helps?

Book a free, no-obligation 1-to-1 consultation. We'll talk through your situation, answer your questions honestly, and explain exactly how MCas can support you.