Financial Precision into Practice Growth

High-performance Outsourcing for Accounting & Audit Support

Mangalam delivers end-to-end infrastructure, accounting, tax, and payroll solutions designed around your operational model, whether your systems are hosted on-premises, cloud-based, or within a hybrid environment. 

Backed by more than 25 years of industry experience, we support accounting firms with qualified professionals, established processes, and dependable delivery across core accounting, compliance, tax, payroll, and practice support functions. 

As firms face increasing workloads and evolving client expectations, we help strengthen operational capacity, improve efficiency, and maintain consistently high standards of service.

Comprehensive Accounting Outsourcing Services

Our Complete Range of Accounting Support Services in the UK

Bookkeeping & Accounting

Day-to-day bookkeeping, bank and credit card reconciliations, sales and purchase ledger maintenance, journal entries, month-end adjustments, accruals, and management accounts preparation. 

VAT & Indirect Taxes

VAT return preparation, reconciliations, error checks, EC Sales Lists, Intrastat support, Flat Rate and Margin Scheme handling, and partial exemption workings. 

Year-End Accounts Preparation

Statutory accounts for limited companies, LLPs, partnerships, and sole traders. Includes notes to accounts, iXBRL tagging, and accounts finalisation in leading platforms. 

Corporation & Business Tax

Tax computation preparation, capital allowance calculations, loss relief, group relief workings, iXBRL return support, and online submission support at review level. 

Personal Tax & Compliance

Self-assessment return preparation, rental income, capital gains calculations, partnership tax computations, P11D support, and dividend and employment income computations. 

Payroll & CIS 

Monthly and weekly payroll processing, RTI submissions, auto-enrolment pension support, CIS calculations, monthly returns, payslips, and payroll summaries. 

Advisory & Specialised Support 

Cashflow forecasts, budgets, management reporting packs, business plans for funding, due diligence support, and valuation of working papers and analysis, helping your team deliver more value to clients without stretching internal capacity. 

Audit Support Services 

Audit working paper preparation, schedules and reconciliations, lead schedules, trial balance tie-ups, and audit file support aligned with reviewer requirements. 

Making Tax Digital (MTD) 

MTD-ready bookkeeping support, digital record maintenance, VAT submission support under MTD requirements, and compliance assistance for HMRC digital reporting standards. 

Accounting & CPA Outsourcing Services in the USA

Bookkeeping 

General ledger maintenance, journal entries, and month-end close support. Structured recording of daily transactions to ensure accurate financial reporting.

Accounts Receivable 

Invoicing, collections tracking, and ageing report management. Support designed to improve cash flow visibility and customer receivables control. 

Fixed Assets Accounting 

Asset register maintenance and depreciation schedule preparation. Ongoing tracking of asset movements, additions, and disposals.

Accounts Payable

Invoice processing, vendor management, and payment support. Ensuring timely and accurate processing of outgoing obligations.

Bank Reconciliation 

Daily and periodic reconciliation of bank and ledger balances. Identification and resolution of discrepancies for clean financial records. 

Software Platforms 

Operational expertise across QuickBooks, Xero, NetSuite, Sage, and FreshBooks. Seamless integration with widely used accounting ecosystems in CPA practices. 

US Federal & Multi-State Compliance 

Support for sales tax registration, economic nexus analysis, and marketplace facilitator rules. Includes amended returns, voluntary disclosure programmes, and audit representation support.

Payroll Processing & Administration

Processing of W-4, W-2, W-3, Form 941, and Form 940 compliance. Includes multi-state payroll coordination, benefits administration, and year-end payroll reporting.

Back-Office Delivery & Operational Support

  • Scalability Without Limits 

Expand capacity as demand grows in peak and off-peak seasons, without recruitment delays, training requirements, or operational strain. 

  • Dedicated Growth Partnership 

An extension of your team, aligned with your objectives and invested in your long-term success. 

  • Consistent Quality Delivery 

Structured review processes and quality controls ensure dependable, accurate outcomes across every engagement. 

  • Tailored to Your Practice 

Solutions designed around your workflows, systems, and operational requirements. 

  • Platform-Agnostic Expertise 

Experienced across leading accounting, tax, payroll, and business management platforms. 

  • Business Continuity by Design 

Reliable delivery backed by dedicated resources, operational resilience, and continuous support. 

Why Choose Mangalam?

Highly Qualified Accounting Professionals & Operational Excellence

Chartered Accountants and experienced finance professionals supported by SOP-driven execution and multi-level review processes to ensure quality-controlled delivery.

Secure, Technology-Enabled Infrastructure

Secure cloud environments, encrypted workflows, controlled access systems, and backup resources, ensuring reliable and uninterrupted delivery. 

Commercial Models That Fit Your Practice 

Pay-As-You-Go, Dedicated FTE, and Per-File Pricing models designed around your firm’s operational and commercial requirements.

Let’s Accelerate Your Growth, Together.