Businesses outsourcing invoice processing can hand over anything from basic invoice entry and purchase ledger maintenance to approval workflows, supplier payments, reconciliations and wider bookkeeping. Edinburgh businesses have access to local accounting firms, virtual finance teams and UK-wide providers serving the Scottish market. This guide covers a selection of providers rather than ranking them, with an emphasis on services relevant to accounts payable and day-to-day invoice administration.

Acumon
Acumon is a UK firm of chartered accountants and registered auditors providing outsourced invoice processing, accounts payable, bookkeeping, and wider accounting support to businesses and organisations.
The firm works with organisations ranging from growing owner-managed businesses and charities through to larger corporate groups and regulated entities. Outsourced invoice processing can cover digital invoice capture, coding, approval workflows, purchase ledger maintenance, supplier statement reconciliation, and preparation of controlled payment runs.
Acumon holds a Public Interest Entity (PIE) audit licence, allowing the firm to audit listed companies and other entities subject to enhanced regulatory oversight in the United Kingdom. PIE audits are subject to additional regulatory supervision and quality requirements, and only a limited number of firms are authorised to undertake this type of work.
In addition to its UK audit registration, Acumon also holds audit licences in several international financial centres, including the Cayman Islands, British Virgin Islands (BVI), Jersey, and Isle of Man. These licences enable the firm to support international corporate groups where entities are located across multiple jurisdictions.
Businesses with increasing transaction volumes often find that supplier invoice administration places additional pressure on internal finance teams. Outsourcing these processes can provide additional capacity while maintaining structured controls around invoice approval, duplicate payments, supplier records, and payment preparation.
For organisations in Edinburgh, outsourced invoice processing can also form part of a broader finance function covering bookkeeping, bank reconciliations, VAT reporting, management accounts, and ongoing accounting support. This approach can be particularly relevant where businesses want to reduce routine administrative work without building a larger internal accounts payable team.
Acumon works with finance teams and business owners to support day-to-day invoice processing while helping maintain accurate purchase ledger records, consistent approval procedures, and appropriate financial controls. Its outsourced accounting support can be adapted as transaction volumes and reporting requirements change.
Outsourced Invoice Processing Service Capabilities
Acumon provides outsourced invoice processing services across a wide range of organisational structures and sectors.
These include:
- UK limited companies and corporate groups
- Public Interest Entities (PIEs) and regulated organisations
- UK subsidiaries of international groups
- charities and not-for-profit organisations
- owner-managed businesses approaching statutory audit thresholds
- offshore holding companies and investment vehicles
Outsourced invoice processing engagements are typically led by senior professionals with direct involvement throughout the engagement.
Regulatory Licences and Registrations
Acumon holds several audit registrations that enable it to support organisations operating across multiple jurisdictions.
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 allow the firm to provide audit services to groups that include entities in both the UK and key international financial centres.
Core Services
In addition to outsourced invoice processing services, Acumon provides a range of services that support financial reporting and governance.
These include:
- statutory external audit
- group and subsidiary audits
- Public Interest Entity (PIE) audits
- charity and not-for-profit audit
- audit of international group structures
- internal audit and governance reviews
- risk management and compliance support
Audit work is often delivered alongside discussions with management and boards regarding financial reporting processes and governance frameworks.
Many organisations initially encounter statutory audit requirements as they grow and exceed the audit exemption thresholds set out in the Companies Act.
Acumon works with businesses that are:
- approaching their first statutory audit
- preparing for external investment
- expanding into international markets
- operating within corporate group structures
Early engagement with an audit firm can help ensure that financial reporting systems and documentation are aligned with statutory audit requirements.
Contact Information
- Website: acumon.com
- Phone: 020 8567 3451
- E-mail: [email protected]
- Address: 1-2 Craven Road, Ealing, London, W5 2UA, UK

SmartPA
SmartPA has its head office in Edinburgh and provides outsourced bookkeeping through UK-based finance assistants. Supplier and invoice management forms a specific part of the bookkeeping service, alongside expense management, reporting and support with finance systems.
The company works with common accounting platforms including Xero, QuickBooks, FreeAgent, Sage, Zoho Books and FreshBooks. This makes the service relevant to businesses that want invoice-related administration handled without moving away from an established accounting platform.
Key Facts
- Ideal for: SMEs needing flexible outsourced bookkeeping and invoice administration
- Core services: Supplier and invoice management, bookkeeping, expenses, reporting
- Specialization: Flexible remote finance assistance
- Software: Xero, QuickBooks, FreeAgent, Sage, Zoho Books, FreshBooks
- Location: Edinburgh, Scotland
- Notable strength: Invoice support can sit within a wider outsourced administrative service
Contact Information
- Website: smart-pa.com
- Email: [email protected]
- Facebook: www.facebook.com/SmartPA1
- LinkedIn: www.linkedin.com/company/smartpa
- Instagram: www.instagram.com/Smart_PA
- Address: 7-13 Dublin Street Lane South, Edinburgh, EH1 3PX, UK
- Phone: 0330 202 1110

Fiscally
Fiscally provides subscription-based bookkeeping and accounting support for small businesses in Edinburgh and beyond. Its published service scope specifically includes processing and paying supplier invoices, tracking invoices that are due for payment and maintaining accounting transactions in Xero.
That focus makes Fiscally relevant where invoice processing is part of a relatively compact outsourced finance arrangement rather than a large standalone AP operation. Bookkeeping, payroll, VAT, tax and ongoing financial support can be handled alongside supplier invoice administration.
Key Facts
- Ideal for: Small businesses seeking ongoing invoice and bookkeeping support
- Core services: Supplier invoice processing, supplier payments, bookkeeping, VAT, payroll
- Specialization: Subscription-based small business finance support
- Software: Xero
- Location: Edinburgh and surrounding markets
- Notable strength: Supplier invoice processing and payment are explicitly included in the service scope
Contact Information
- Website: www.fiscally.uk
- Email: [email protected]
- Phone: +44 73889 17674

One Accounting
Edinburgh-based One Accounting provides bookkeeping and outsourced finance support for small and medium-sized businesses. Its bookkeeping work includes processing purchase ledger invoices into accounting software, applying supplier payments to invoices and reconciling bank and credit card accounts.
The firm works with cloud accounting tools and can incorporate bookkeeping into a wider outsourced finance function. The arrangement is relevant to businesses that need recurring invoice processing but also want VAT, reporting and other accounting work handled through the same provider.
Key Facts
- Ideal for: Edinburgh SMEs combining invoice processing with outsourced accounting
- Core services: Purchase ledger invoice processing, supplier payment allocation, reconciliation, VAT
- Specialization: Cloud-based bookkeeping and finance support
- Software: Xero and FreeAgent
- Location: Edinburgh, Scotland
- Notable strength: Purchase ledger processing forms a defined part of its bookkeeping service
Contact Information
- Website: www.oneaccounting.co.uk
- Email: [email protected]
- Facebook: www.facebook.com/OneAccounting
- Twitter: x.com/OneAccounting
- LinkedIn: www.linkedin.com/company/oneaccounting
- Address: 4a Glenfinlas Street, Edinburgh, EH3 6AQ
- Phone: 0131 220 0152

Ideo Accounting and Bookkeeping
Ideo Accounting and Bookkeeping offers an all-inclusive small business finance department service that goes beyond periodic record keeping. Its published package includes managing sales and purchase ledgers, making supplier payments, monthly account reconciliation, VAT returns, payroll and annual accounts.
For businesses looking specifically at outsourced invoice processing, the purchase ledger and supplier payment elements are the closest fit. They can be combined with the rest of the finance administration rather than managed as an isolated workflow.
Key Facts
- Ideal for: Small businesses outsourcing a substantial part of day-to-day finance
- Core services: Purchase ledger, sales ledger, supplier payments, reconciliations, VAT, payroll
- Specialization: Outsourced small business finance department
- Location: Edinburgh and Glasgow
- Notable strength: Combines purchase ledger management and supplier payments in one service package
Contact Information
- Website: ideo-accounting.co.uk
- Email: [email protected]
- Facebook: www.facebook.com/ideoaccountants
- LinkedIn: www.linkedin.com/in/inga-m-4a001740
- Address: Unit 4 Stanhill Industrial Estate, Whitburn Road, Bathgate, EH48 2HR, Scotland
- Phone: +44 7951 686 133

Cloud Finance & Accounting
Cloud Finance & Accounting operates from St Andrew Square in Edinburgh and provides remote finance support for businesses. Its service model can cover bookkeeping, supplier payments, credit control and management accounts, allowing transactional finance work to sit alongside higher-level reporting.
The firm is particularly relevant where invoice administration is one element of a broader outsourced finance function. Rather than separating bookkeeping from financial oversight, its model is designed around becoming an ongoing part of the client’s finance operation.
Key Facts
- Ideal for: SMEs seeking a remote outsourced finance team
- Core services: Bookkeeping, supplier payments, credit control, management accounts
- Specialization: Remote finance function support
- Location: Edinburgh, Scotland
- Notable strength: Combines transactional bookkeeping with wider finance support
Contact Information
- Website: www.cloudfinance.co
- Email: [email protected]
- LinkedIn: www.linkedin.com/company/cloud-finance-accounting-ltd
- Address: 38 St Andrews Sq, Edinburgh, EH2 2AD
- Phone: 0131 381 7450

Johnston Smillie
Johnston Smillie offers outsourced bookkeeping and accounting from its Edinburgh office. Businesses can outsource the running of their bookkeeping function rather than employing dedicated internal staff, with the firm able to help select software, configure systems and manage ongoing records.
Its model is broader than invoice entry alone, which can be useful when supplier invoices need to flow into VAT returns, reconciliations, management reporting and annual accounts. Support can be provided at the client’s premises or through Johnston Smillie’s own office.
Key Facts
- Ideal for: Businesses replacing or supplementing internal bookkeeping resources
- Core services: Outsourced bookkeeping, accounting, software setup, record management
- Specialization: Fully outsourced bookkeeping
- Location: Edinburgh, serving clients throughout Scotland
- Notable strength: Can run the client’s bookkeeping function and assist with systems setup
Contact Information
- Website: www.jsca.co.uk
- E-mail: [email protected]
- Facebook: www.facebook.com/johnstonsmillie
- LinkedIn: www.linkedin.com/company/johnston-smillie-ltd
- Address: 5 South Gyle Crescent Lane, Edinburgh, EH12 9EG
- Phone: 0131 317 7377

Scholes CA
Scholes CA has an Edinburgh office and offers fully outsourced bookkeeping and VAT return services. Its bookkeepers process client transactions using cloud accounting software, normally QuickBooks, while clients retain access to current financial information and management reports.
The firm also supports AutoEntry, which captures invoices, receipts, expenses and statements before publishing the information to accounting systems. That combination of outsourced bookkeeping and document capture is particularly relevant where reducing manual invoice data entry is a priority.
Key Facts
- Ideal for: Businesses interested in cloud-based transaction and invoice processing
- Core services: Outsourced bookkeeping, transaction processing, VAT returns, document capture
- Specialization: Cloud bookkeeping and accounting automation
- Software: QuickBooks, Xero, AutoEntry
- Location: Edinburgh office at Walker Street
- Notable strength: Supports automated invoice and receipt data capture
Contact Information
- Website: www.scholesca.co.uk
- Email: [email protected]
- Twitter: x.com/scholesca
- LinkedIn: www.linkedin.com/company/a.-j.-b.-scholes-ltd
- Address: 8 Walker Street, Edinburgh, Scotland, EH3 7LA, United Kingdom
- Phone: +44 (0) 131 555 4855

Sutherland Black
Sutherland Black provides bookkeeping from offices including Edinburgh and supports businesses that prefer to outsource some or all of their financial record keeping. Bookkeeping can be carried out weekly, monthly or quarterly, with Xero used for cloud-based accounting and Hubdoc available for transmitting records electronically.
The service is suited to businesses whose supplier invoices form part of a broader stream of day-to-day transactions that need to be recorded accurately and fed into VAT, payroll, annual accounts and tax work.
Key Facts
- Ideal for: Small and medium-sized businesses outsourcing routine bookkeeping
- Core services: Bookkeeping, VAT, payroll, accounts, cloud accounting
- Specialization: Recurring outsourced financial record keeping
- Software: Xero and Hubdoc
- Location: Edinburgh, Livingston and Glasgow
- Notable strength: Flexible weekly, monthly or quarterly bookkeeping schedules
Contact Information
- Website: www.sutherlandblack.co.uk
- Twitter: x.com/sutherlandblack
- Address: 1 Lochrin Square, 92-98 Fountainbridge, Edinburgh, EH3 9QA
- Phone: 0131 610 3050

Anlo Financial Solutions
Anlo Financial Solutions is an Edinburgh-based chartered accountancy practice providing bookkeeping, accounting and tax support. Its bookkeeping packages are aimed at small businesses and can take financial administration away from internal teams as transaction volumes and compliance requirements increase.
The firm specifically identifies invoicing and expense tracking among the financial tasks that businesses can delegate. Xero is included within its accounting packages, giving businesses cloud access to records while routine bookkeeping is handled externally.
Key Facts
- Ideal for: Startups and small businesses outsourcing bookkeeping administration
- Core services: Bookkeeping, invoicing support, expense tracking, payroll, accounting
- Specialization: Small business accounting
- Software: Xero
- Location: Edinburgh, Scotland
- Notable strength: Bookkeeping packages can expand as a business’s finance requirements grow
Contact Information
- Website: anlofin.com
- Email: [email protected]
- Facebook: www.facebook.com/AnlofinUK
- LinkedIn: www.linkedin.com/company/anlo-fin-uk
- Address: 5 South Charlotte Street, Edinburgh, EH2 4AN
- Phone: 0131 370 8028

AAB
AAB operates an Edinburgh office and provides Virtual Finance services alongside accounting, tax, audit, payroll and advisory work. Members of its Edinburgh finance team work on bookkeeping and processing, management accounts and financial statements, with cloud accounting tools forming part of the delivery model.
For invoice processing, AAB is more relevant to organisations seeking an outsourced finance function than to businesses looking solely for basic data entry. Its Edinburgh team supports SMEs, family businesses and larger organisations across several sectors.
Key Facts
- Ideal for: Businesses requiring invoice and bookkeeping processing within a broader finance function
- Core services: Bookkeeping, financial processing, management accounts, financial statements
- Specialization: Virtual Finance and Office of the CFO support
- Location: Edinburgh, Scotland
- Notable strength: Can combine recurring processing with management-level finance support
Contact Information
- Website: aab.uk
- Facebook: www.facebook.com/AABLLP
- Twitter: x.com/AABGroup_
- LinkedIn: www.linkedin.com/company/aab-accountants
- Instagram: www.instagram.com/_aabgroup
- Address: 81 George St, Edinburgh, EH2 3ES
- Phone: +44 (0)131 357 6666

S&W
S&W provides business outsourcing services from its Edinburgh office, with finance outsourcing covering bookkeeping, VAT returns, management accounts and year-end accounts. The firm can provide interim support or take on a wider outsourced finance function as requirements change.
Its Edinburgh office serves businesses across sectors including professional services, technology, manufacturing, property, retail, hospitality and charities. For invoice processing, the main fit is businesses that want transactional bookkeeping incorporated into a broader outsourced accounting arrangement rather than treated as a standalone clerical task.
Key Facts
- Ideal for: Businesses requiring scalable finance outsourcing
- Core services: Bookkeeping, VAT, management accounts, year-end accounts, finance outsourcing
- Specialization: Business outsourcing and accounting support
- Location: Edinburgh, Scotland
- Notable strength: Outsourcing can range from additional capacity to a full finance solution
Contact Information
- Website: www.swgroup.com
- Twitter: x.com/S_W_Group
- LinkedIn: www.linkedin.com/company/swgroupuk
- Address: Q Court, 3 Quality Street, Edinburgh EH4 5BP, United Kingdom
- Phone: +44 131 625 5151

Your Cashier
Your Cashier is a specialist option for law firms rather than a general outsourced bookkeeping provider. It has a Scotland office in Edinburgh and provides outsourced legal cashiering, including purchase ledger support.
Its purchase ledger service is designed around managing supplier-side financial records within the wider cashroom function. This narrower sector focus can make it relevant to legal practices that need invoice and purchase ledger processing delivered by a provider familiar with law-firm finance administration.
Key Facts
- Ideal for: Law firms outsourcing purchase ledger and cashiering work
- Core services: Purchase ledger management and outsourced legal cashiering
- Specialization: Legal finance administration
- Location: Edinburgh, Scotland
- Notable strength: Sector-specific purchase ledger support for legal practices
Contact Information
- Website: yourcashier.co.uk
- Email: [email protected]
- Facebook: www.facebook.com/yourcashier
- Twitter: x.com/your_cashier
- LinkedIn: www.linkedin.com/company/yourcashier
- Instagram: www.instagram.com/yourcashier
- Address: CBC House, 24 Canning Street, Edinburgh, EH3 8EG, UK
- Phone: 0345 2020577

Countify
Countify provides fixed-fee bookkeeping support for Edinburgh businesses using cloud accounting systems. Its service includes transaction entry, expense categorisation, bank reconciliation and sales and purchase ledger management, with monthly bookkeeping as the standard frequency and more frequent updates available where required.
The service fits businesses that need routine supplier invoice information incorporated into accurate purchase ledger records without necessarily outsourcing a complex enterprise AP workflow. Xero, QuickBooks Online and FreeAgent are among the platforms supported.
Key Facts
- Ideal for: Edinburgh businesses seeking fixed-scope outsourced bookkeeping
- Core services: Transaction entry, purchase ledger, sales ledger, reconciliations, reporting
- Specialization: Cloud bookkeeping
- Software: Xero, QuickBooks Online, FreeAgent
- Location: Supports Edinburgh businesses and clients elsewhere in Scotland and the UK
- Notable strength: Purchase ledger management is included within the published bookkeeping scope
Contact Information
- Website: www.countify.co.uk
- Email: [email protected]
- Facebook: www.facebook.com/people/Countify/100094716728290
- LinkedIn: www.linkedin.com/company/countify-cloud-accountants
- Address: 3rd Floor, St. Georges Building, 5 St. Vincent Place, Glasgow, G1 2DH, UK
- Phone: 07515 646845

J S Accounting Services
J S Accounting Services provides bookkeeping in Edinburgh with monthly and annual arrangements available. Sales and purchase ledger maintenance is specifically included, alongside VAT returns, profit and loss preparation and advice on bookkeeping software.
This is a straightforward option for businesses whose invoice processing requirements mainly involve keeping the purchase ledger accurate and current rather than operating a more complex AP department with formal matching and approval workflows.
Key Facts
- Ideal for: Small businesses requiring routine purchase ledger administration
- Core services: Purchase ledger, sales ledger, bookkeeping, VAT returns
- Specialization: Small business bookkeeping and accounting
- Location: Edinburgh, Scotland
- Notable strength: Monthly or annual bookkeeping can be tailored to the client’s requirements
Contact Information
- Website: jsaccountingservices.co.uk
- Email: [email protected]
- Address: 13-15 Morningside Drive, Edinburgh, EH10 5LZ
- Phone: 0131 228 6453
Conclusion
Outsource invoice processing services in Edinburgh vary considerably in scope. Some providers concentrate on bookkeeping and purchase ledger maintenance, while others can manage supplier invoices, approvals, payment preparation, reconciliations and wider finance operations. Specialist options also exist for sectors such as legal services.
There is no single provider that fits every finance function. A business processing a modest number of supplier invoices may only need recurring bookkeeping, while organisations with higher volumes or more formal controls may need managed accounts payable, approval workflows and payment-run support. The practical comparison is therefore based on invoice volume, existing accounting software, internal approval requirements, reporting needs and how much of the wider finance process the business wants to outsource.