Mercurius across the UK
Maspartner - Services in UK
Helping you navigate through your business challenges







Hello, United Kingdom!
Shuffling through service partners to ensure best practices for your business may be important but not an ideal suggestion. Especially when you can get the quality services on a single table.
As a trusted Accounting Firm in UK, Mercurius’ wide range of services consists of bookkeeping, accounting, tax preparation and filing, pre- and post-company incorporation support, virtual assistance, marketing, and branding. This allows you to focus more on your core activities.
We understand that no two businesses are alike, and neither are two countries. With our effective communication skills and English proficiency. we ensure that our clients’ needs are met without a hitch.
Beyond offering services, we complement your journey with our commitment to Satisfaction
Success In Numbers
What Do We Provide?
Bookkeeping
Accurate and organised records to support financial reporting and statutory submissions.
Accounting
Maintain accurate financial records aligned with US GAAP and compatible with tools like QuickBooks and Xero.
Tax Preparation
Expert handling of tax returns, including Self Assessment and Corporation Tax, ensuring HMRC compliance.
Company Formation
End-to-end support for setting up your limited company, including Companies House registration.
Payroll
Precise payroll services with full HMRC compliance, covering PAYE, NI, and auto-enrolment.
Fractional CFO
Strategic financial guidance tailored to your company goals.
Virtual Assistance
Skilled support for admin, scheduling, operational, social media and HR tasks.
Marketing & Branding
Professional branding and marketing to help your business grow in the global market.
Tailoring Success Across Industries
Mercurius delivers precise financial solutions backed by industry expertise, ensuring accurate and reliable results across all sectors.
Accounting, Tax and CPAs
Ecommerce and Retail

Law firms and Attorneys
Real Estate and Construction

Education and Coaching
Seeking custom services?
Drop your email, and we’ll get in touch, or contact us directly.
Hear From Our Happy Clients
Client Testimonials
Great work – love the dedicated member of the team that is assigned to work on my account.
Graham Blair
Habitat Seven Inc 🇨🇦
Manvi and the team at Mercurius are excellent. We have been working with them for a number of years and they have been pivotal in keeping our accounts in good order.
Cameron Kincaid
Chemeyes Ltd 🇬🇧
Siddhartha is delightful to work with and always completes assignments ahead of schedule and with no iteration needed.
Mike Schoenfeld
MBS Consulting🇺🇸
Pleasant to work with, knowledgeable on accounting principles, responsive
Christine Atieno
Keys Please Homes🇺🇸
Sid and his team so excellent work – on time and very attentive to detail.
Joel Cape
Joel E Cape, PLC🇺🇸
Why Mercurius?
200+ Ratings on Google
Experience the services that’s earned us top ratings.

UK ACCA:
Our team has experts who are certified with ACCA and can provide you with varied services depending on your needs.

Software Expertise:
With a constant urge to learn more, our team has achieved different certifications in industry-leading software.

Customized Solutions:
Our team tailors the solution to achieve the best possible outcome based on the client's needs.

Efficient Turnaround:
Our usual turnaround time to revert is 2-3 hours. However, in case of any emergency or uncertainties, we respond within 24 hours.
FAQs
What is your general response time?
At Mercurius, we typically respond within 24 hours. Our team operates on Indian Standard Time (IST) and ensures prompt communication across time zones.
Can you work in GMT/BST time zones?
Yes, while we operate on Indian Standard Time (IST), we regularly accommodate U.K. business hours, including GMT/BST, to ensure smooth collaboration.
Do you have a presence or representative in the UK?
Yes, we have a representative office in Houndsditch, London. You can find our U.K. contact details here.
How does the onboarding process work?
Getting started with us is simple:
1. Submit your query through our contact form or email
2. Get a complimentary consultation with one of our experts
3. Receive a tailored proposal and pricing based on your needs
4. Start immediately after the agreement and contract signing
Do you have experience with UK accounting standards?
As a trusted Accounting Firm in UK, we’re fully proficient in UK GAAP, including FRS 102, and apply it rigorously to ensure accurate, compliant financial reporting.
Are your services compliant with HMRC and MTD regulations?
Our services are fully compliant with HMRC standards and Making Tax Digital (MTD) requirements. We handle digital VAT record-keeping and submissions to HMRC using MTD-compatible systems to ensure accurate and up-to-date tax filings.
What bookkeeping software do you use for UK clients?
We work with a wide range of platforms, including QuickBooks, Xero, Zoho Books, NetSuite, AppFolio, Buildium, and Sage. Our team includes certified ProAdvisors, and we not only support these tools but also help you choose the right software based on your business size, industry, and specific needs.
Do you assist with VAT returns and payroll processing?
We do provide expert support for VAT/GST returns and complete payroll services in UK, including 1099s, T4s, and year-end filings, to ensure accurate, compliant tax and payroll management across jurisdictions.
Can you handle CIS reporting for contractors and subcontractors?
As a trusted Accounting Firm in UK, we specialise in CIS compliance, handling contractor registration, subcontractor verification, monthly return filings, deduction statements, and payments to avoid penalties.
Can you help with bookkeeping cleanup ahead of year-end filings?
Yes, we provide catch‑up bookkeeping services in UK to organize backlogs, reconcile records, and ensure your books are accurate, compliant, and ready for year-end or audits.
What industries do you specialize in within the UK?
We are a trusted Accounting Firm in UK serving a wide range of U.K. industries, including e-commerce and retail, law firms, real estate and construction, education and coaching, IT and SaaS, medical and healthcare, startups, restaurants and hospitality, branding and marketing agencies, non-profits, logistics, and shipping. Our services are tailored to meet the unique needs of each industry.
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