Sage Bookkeeping Companies in London: Firms and Services Guide (2026)
AC
Acumon Chartered Accountants·12 min read
This practical guide covers companies providing Sage bookkeeping services in London, from larger accountancy companies with broad financial support to smaller specialists focused on bookkeeping and cloud accounting. Rather than ranking companies, it gives a neutral overview of their Sage expertise, wider service scope and the types of clients they support. Some combine bookkeeping with VAT, payroll, management accounts, tax and reporting, while others concentrate more closely on day-to-day records and Sage software support. The aim is to give readers enough context to compare different service models, understand individual strengths and identify companies that fit their accounting requirements.
Acumon
Acumon is a UK firm of chartered accountants and registered auditors providing bookkeeping and accounting services to businesses and organisations in London and across the UK. The firm supports owner-managed businesses, growing companies, corporate groups, charities, and regulated entities with maintaining accurate financial records and meeting ongoing accounting and reporting requirements.
Acumon’s bookkeeping services can be delivered using Sage accounting software, with support covering routine transaction processing, sales and purchase ledgers, bank reconciliations, expense records, and other day-to-day bookkeeping activities. The firm can integrate this work with VAT compliance, management accounts, payroll, statutory accounts, and wider tax services where these form part of the client’s accounting requirements.
Sage bookkeeping can be particularly relevant where an organisation already uses Sage as its core accounting platform and wants its bookkeeping processes aligned with month-end reporting and year-end accounts. Acumon can work alongside internal finance teams or provide outsourced bookkeeping support, depending on the level of internal accounting resource available.
The firm’s wider accounting and assurance capabilities allow bookkeeping records to connect with financial reporting, statutory compliance, and audit requirements. This can be useful for growing organisations where the quality and consistency of underlying accounting records become increasingly important as reporting obligations develop.
Acumon also works with businesses operating through group structures and organisations with international interests. Where accounting records feed into wider group reporting or consolidation processes, bookkeeping support can form part of a broader accounting framework covering multiple entities and reporting requirements.
Sage Bookkeeping Capabilities
Acumon provides Sage bookkeeping support as part of its wider accounting and financial reporting services.
These include:
Sage bookkeeping and maintenance of accounting records
Sales and purchase ledger processing
Bank and balance sheet reconciliations
Invoice and expense recording
VAT record maintenance and return preparation
Management accounts and periodic financial reporting
Month-end bookkeeping and accounting adjustments
Support alongside internal finance teams
Bookkeeping arrangements can be structured around the level of support required, from routine processing through to bookkeeping integrated with management reporting and year-end accounting.
Regulatory Licences and Registrations
Acumon holds professional registrations and audit licences that support its wider accounting, assurance, and financial reporting work.
These include:
UK statutory audit registration
Public Interest Entity (PIE) audit licence
Jersey audit licence
Isle of Man audit licence
Cayman Islands audit licence
British Virgin Islands audit licence
These registrations are particularly relevant where Sage bookkeeping forms part of a wider relationship involving statutory accounts, financial reporting, audit, or international group structures.
Core Services
Alongside Sage bookkeeping, Acumon provides accounting, tax, audit, and advisory services that can support the wider finance function.
These include:
Bookkeeping and accounting
Management accounts
VAT compliance and advisory
Payroll services
Statutory accounts preparation
Corporation tax compliance and advisory
Statutory external audit
Group and subsidiary audits
Internal audit and governance reviews
Risk management and compliance support
Acumon can connect ongoing bookkeeping with periodic reporting and year-end accounting, helping maintain continuity between day-to-day Sage records and the financial information used for management and statutory purposes.
Acumon provides Sage bookkeeping support for clients that are:
Moving bookkeeping responsibilities to an outsourced accounting team
Strengthening existing bookkeeping and reconciliation processes
Integrating bookkeeping with VAT and management accounts
Preparing accounting records for statutory year-end reporting
Supporting an internal finance team with routine accounting work
Managing accounting and reporting across corporate group structures
Maintaining Sage records as part of a structured accounting process can help Acumon keep underlying financial information consistent with the client’s wider reporting, tax, and compliance requirements.
Address: 1-2 Craven Road, Ealing, London, W5 2UA, UK
Elliott Stewart & Co
Elliott Stewart & Co is a London accountancy practice providing bookkeeping, VAT, accounts, taxation and payroll services. Sage cloud accounting software is specifically used within its bookkeeping and VAT work, making the company relevant to businesses that want their bookkeeping maintained within Sage rather than transferred to another platform.
Its bookkeeping service connects Sage records with VAT returns, management accounts, cash-flow planning and financial reporting. The company can also assist with VAT registration, VAT control and reconciliations and Making Tax Digital requirements.
Key Facts
Ideal for: London businesses combining Sage bookkeeping with VAT and general accountancy
APH Bookkeeping Services provides bookkeeping and accounting support from London and works both virtually and at client premises. Its team works with several cloud bookkeeping platforms, including Sage One, Xero, QuickBooks and KashFlow.
The bookkeeping service covers regular transaction processing, sales and purchase records, bank journals, debtor and creditor reconciliations, VAT and credit control. APH also provides payroll and management accounting, giving clients the option to connect their day-to-day Sage records with wider finance administration and reporting.
Key Facts
Ideal for: Businesses wanting outsourced bookkeeping with optional on-site support
Barrow & Co provides accounting services to sole traders, small businesses and larger companies from a base near Tower Bridge. The practice lists Sage One alongside Xero and QuickBooks within its accounting software expertise.
Bookkeeping sits within a broader service covering company accounts, VAT returns, management accounts, payroll, CIS filings and tax planning. The practice may therefore suit smaller London organisations that want Sage-supported bookkeeping handled by the same accountant responsible for their annual compliance and reporting.
Key Facts
Ideal for: Sole traders and owner-managed businesses
Core services: Bookkeeping, accounts, VAT, management accounts, payroll and tax
BookCheck provides outsourced bookkeeping, management accounts and payroll services through its London office. Although Xero is a major part of its service, the company explicitly supports both Sage and QuickBooks and provides Sage bookkeeping for businesses in London and surrounding areas.
Its model connects bookkeeping with management reporting rather than limiting the service to transaction entry. Businesses can outsource Sage bookkeeping while receiving customised reports designed around their own management information requirements.
Key Facts
Ideal for: Businesses combining outsourced Sage bookkeeping with management reporting
Core services: Bookkeeping, management accounts and payroll
Address: 1 Northumberland Avenue, Trafalgar Square, London WC2N 5BW
LinkedIn: www.linkedin.com/company/bookcheck-ltd
Facebook: www.facebook.com/BookCheckLtd
Twitter: x.com/BookCheck_Ltd
Mysimplytax
Mysimplytax provides accountancy and bookkeeping support to limited companies and sole traders from locations in London and Bromley. Sage cloud accounting forms a central part of its digital bookkeeping service and is used for maintaining records, invoicing, expenses and ongoing access to financial information.
For limited companies, bookkeeping and bank reconciliation can be combined with annual accounts, Corporation Tax, VAT and payroll. The practice also uses Sage within its Making Tax Digital service for sole traders and landlords, connecting digital bookkeeping with the required HMRC reporting process.
Key Facts
Ideal for: Limited companies, sole traders and landlords
Address: 27 Old Gloucester Street, London, WC1N 3AX
Facebook: www.facebook.com/mysimplytax
Instagram: www.instagram.com/mysimplytax
FMY Chartered Accountants
FMY Chartered Accountants provides bookkeeping from its City of London office, covering transaction processing, sales and purchase ledgers, bank reconciliations, VAT records, foreign currency transactions and CIS reporting.
The practice works with Xero, QuickBooks and Sage and can therefore support organisations that already use Sage without requiring an immediate platform change. Bookkeeping sits alongside accounting, tax, payroll, audit, advisory and corporate finance services.
Key Facts
Ideal for: SMEs requiring bookkeeping within a broader chartered accountancy relationship
Core services: Bookkeeping, accounting, tax, payroll, audit and advisory
Sage capability: Sage-supported bookkeeping
Additional bookkeeping: VAT records, CIS and foreign currency transactions
Bayar Hughes & Co provides bookkeeping from New Eltham in South East London and works with clients both locally and online. Its cloud bookkeeping service supports Sage alongside Xero and QuickBooks.
The practice can handle transaction recording, bank reconciliation and digital records while connecting the bookkeeping process with VAT returns, year-end accounts, tax and payroll. It can also assist with software selection, setup, migration and training, which is useful for businesses moving existing records into Sage or reviewing their current bookkeeping setup.
Key Facts
Ideal for: Owner-managed businesses, sole traders, startups and limited companies
Core services: Bookkeeping, VAT, accounts, payroll, tax and audit
Address: Unit 4 Green Lane Business Park, 238 Green Lane, New Eltham, London, SE9 3TL
AccFirm
AccFirm provides bookkeeping services to London businesses using Sage, Xero, QuickBooks and FreeAgent. Its onboarding process can include setting up or migrating cloud accounting software, connecting bank feeds and configuring the chart of accounts and VAT settings.
Ongoing bookkeeping covers transaction processing, bank reconciliation, VAT records and financial reporting. The company can provide remote or on-site bookkeeping, and it also handles bookkeeping backlogs for organisations that need historic records brought up to date before establishing a regular process.
Key Facts
Ideal for: Businesses needing ongoing or catch-up bookkeeping
Core services: Bookkeeping, VAT, accounts and tax
Sage capability: Sage setup, migration and ongoing bookkeeping
Address: 86-90 Paul Street, London, United Kingdom
LinkedIn: www.linkedin.com/in/accfirmuk
Facebook: www.facebook.com/accfirmuk
Instagram: www.instagram.com/accfirmuk
CJP Accounting Solutions
CJP Accounting Solutions provides bookkeeping and wider accountancy services to clients in London and Norwich. The company operates as a Sage business partner and combines bookkeeping with software support, payroll and general accountancy.
Its bookkeeping work includes transaction recording, receipt capture, VAT records, reconciliations and regular financial reports. The service can include accounting software setup and chart-of-accounts maintenance, making CJP relevant where Sage bookkeeping requirements extend into implementation or system configuration.
Key Facts
Ideal for: Small businesses requiring bookkeeping and Sage software support
Core services: Bookkeeping, accountancy, VAT and payroll
Sage capability: Sage business partner
Bookkeeping support: Reconciliations, VAT records, reporting and software setup
Coverage: London and Norwich
Contact Information
Website: www.cjpaccountingsolutions.com
Phone: 02039515519
Address: 167–169 Great Portland Street, London W1W 5PF
Adroit Accountax
Adroit Accountax provides bookkeeping services from London for small businesses, startups, limited companies, sole traders, contractors and freelancers. Its accounting software support includes Sage alongside Xero, QuickBooks and FreeAgent.
The bookkeeping service covers day-to-day transaction records, expense tracking, bank reconciliation, VAT returns and Making Tax Digital compliance. Businesses moving towards cloud accounting can also receive help with the transition, allowing Sage to form part of a broader bookkeeping and compliance process.
Key Facts
Ideal for: Small businesses, contractors, freelancers and growing SMEs
Core services: Bookkeeping, VAT and financial record management
Address: Unit 8–12 Dock Offices, Surrey Quays Road, London SE16 2XU
360 Accounting Services
360 Accounting Services provides bookkeeping and wider accountancy services from Central London. Its bookkeeping service covers Greater London and can be combined with VAT, payroll, accounts preparation, tax and Making Tax Digital support.
The company works with several accounting platforms, including Sage, QuickBooks, FreeAgent and KashFlow. This makes it relevant for businesses that want ongoing bookkeeping maintained in Sage while keeping related accounting and tax work with the same company.
Key Facts
Ideal for: Businesses combining Sage bookkeeping with wider accounting support
Core services: Bookkeeping, VAT, payroll, accounts preparation and tax
Sage capability: Sage-supported bookkeeping and accounting
SM Accountax provides bookkeeping, accounting and taxation services to small businesses and individuals in London and the surrounding areas. Its bookkeeping service can be provided on a weekly, monthly or quarterly basis and covers the maintenance of ongoing financial records.
The company specifically states that it uses Sage 50 Accounts for its own bookkeeping and recommends the software to clients looking for a bookkeeping package. It can also work with businesses using other accounting systems.
Key Facts
Ideal for: Small businesses requiring regular outsourced bookkeeping
Core services: Bookkeeping, accounting and taxation
Sage capability: Sage 50 Accounts
Delivery: Weekly, monthly or quarterly bookkeeping
Season Associates provides bookkeeping, accounting and tax services from Dagenham in East London. Its bookkeeping service covers financial transaction records as well as related areas such as VAT, payroll and company accounts.
The company explicitly identifies Sage 50 Accounts as one of the bookkeeping systems it uses, alongside Xero, QuickBooks and VT Transactions. Sage can therefore be used as part of an ongoing bookkeeping arrangement rather than only for initial software setup or training.
Key Facts
Ideal for: Small businesses looking for Sage 50 bookkeeping in East London
Core services: Bookkeeping, accounts, VAT, payroll and tax
Sage capability: Sage 50 Accounts
Other platforms: Xero, QuickBooks and VT Transactions
Choosing a Sage bookkeeping company in London depends on business size, sector, the maturity of internal accounting processes and any relevant regulatory requirements. Some companies offer an integrated service covering bookkeeping, tax, reporting and wider accounting support, while others maintain a narrower focus on Sage and day-to-day financial records. The appropriate choice also depends on whether bookkeeping will be fully outsourced or supported alongside an internal finance function. A suitable partner should provide reliable oversight and practical measures that help reduce financial and reporting risks while supporting operational resilience. This guide is intended to provide neutral context for comparing the available companies and identifying a service model that matches the organisation’s requirements.
AC
Written by the Acumon team
Acumon is an ICAEW-registered firm of chartered accountants and registered auditors
based in London, with offices in Pitstone, Aylesbury and Bournemouth. Need advice on
anything covered here? Talk to us.
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