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Business Details
Chartered Accountants in London
We are proactive accountants who work closely with clients to transform financial compliance into strategic advantage. With decades of combined experience, we specialise in accounting, tax planning, and business advisory services across diverse sectors including construction, charities, technology, and entertainment. Our approach combines technical expertise with practical insights to help businesses grow while maintaining full HMRC compliance.

We offer tailored cloud solutions for real-time financial management, comprehensive tax planning for domestic and international clients, and fee protection services against tax investigation costs. Our team provides expert payroll management, CIS compliance, and company formation guidance, supported by a commitment to delivering fixed-fee transparency and client-focused solutions.
Services
Accounts Preparation Tax Planning Company Formations Bookkeeping & VAT Payroll & CIS
Highlights and features
  • We offer 20+ years of experience in accountancy and tax advisory
  • Our team provides tailored cloud accounting solutions
  • Specialised tax planning for UK and international clients
  • Dedicated advisors for construction industry CIS compliance
  • Comprehensive resource centre with tax calculators and guides
Services
Accounts Preparation
We prepare statutory accounts for limited companies, sole traders, and partnerships while providing strategic financial insights. Our services include year-end accounts preparation, cash flow forecasting, budgeting, and management accounts. Using cloud technology, we deliver up-to-date financial information to help businesses make informed decisions.
Tax Planning
Our comprehensive tax services cover personal and corporate tax planning, capital gains tax, inheritance tax, and international tax compliance. We help clients implement tax-efficient strategies while ensuring full HMRC compliance. Our team provides specialist R&D tax credit claims and tax enquiry representation.
Company Formations
We assist entrepreneurs with business structure selection, company registration, and VAT registration. Our formation service includes bank account setup, bookkeeping solutions, and future-focused structuring advice. We provide free initial consultations to help clients choose between limited company, sole trader, or partnership status.
Bookkeeping & VAT
We offer tailored bookkeeping solutions from simple spreadsheets to advanced cloud systems. Our VAT services include scheme selection, return preparation, and complex VAT issue resolution. We help businesses optimise their VAT positions through scheme changes and compliance management.
Payroll & CIS
Our payroll services handle HMRC submissions, payslip generation, and auto-enrolment compliance. For construction industry clients, we manage CIS registration, contractor/subcontractor obligations, and pension scheme administration. We provide flexible payroll solutions with weekly, monthly, or quarterly reporting options.
People
Mark Allen
Partner
Chartered Certified Accountant with extensive experience in business advisory and tax planning. Specialises in construction industry accounting and international tax compliance. Provides strategic financial guidance to SMEs and entrepreneurs.
Rishi Lokye
Partner
Experienced accountant focusing on corporate tax strategy and cloud accounting solutions. Advises technology and entertainment sector clients on financial management and business growth strategies. Leads the firm's innovation in digital accounting platforms.
Questions
What accounting services do you offer for small businesses?
We provide complete accounting solutions including bookkeeping, VAT returns, payroll, year-end accounts, and tax planning tailored to small businesses.
Do you handle tax investigations with HMRC?
Yes, we offer Tax Enquiry Fee Protection Service covering professional representation during HMRC investigations up to £100,000.
Can you help with company formation?
We provide comprehensive company formation services including business structure advice, registration, and initial tax registrations.
What cloud accounting solutions do you support?
We implement cloud solutions like Xero, QuickBooks, FreeAgent, and Zoho Books for real-time financial management.
Do you specialise in any industry sectors?
We have particular expertise in construction, technology, entertainment, charities, and family businesses.
How do you charge for your services?
We offer fixed-fee pricing for most services with transparent cost structures agreed upfront.
Reviews (4)
Paul Springer
Dec 11, 2019 Report
For over 25 years Sloane & Co have cared for us through good times and bad - devoted to our wellbeing and acting with expertise to keep us safe and efficient. As we've progressed through personal careers and company business they have been constantly and unfailingly dependable, and we recommend them totally without reservation.
Simon Culley
Dec 09, 2019 Report
Great team, excellent service. Sloane & Co are genuinely all the things you could wish for in an accountant without all the things you expect. They take care of things efficiently and very effectively, give really helpful advice, have an excellent manner, and most importantly understand our business. We don't see Sloane & Co as accountants, we see them as critical business advisors (who are also brilliant accountants). We were so happy with Mark, Victoria and the team there that I recommended them to my partner, and they are now her accountants (who is equally as delighted as we are). I cannot
Richard Kirk
Jul 11, 2019 Report
Mark Allen and his team at Sloane & Co have been our finance and taxation advisers from the beginning. They have helped us grow and have supported us through every twist and turn that we have encountered as a SME. We have recommended them to others and will continue to do so. Tax doesn't;t need to be taxing but you do need the best advice. They consistently deliver.
Tim Davey
May 20, 2019 Report
Been a great experience working with Mark and his team at Sloane & Co, been a valuable partner to us through our first three years of trading. Assisting us on both the Corporate and Personal side! Thanks