Trusted by UK Accountants

Online Invoicing Software
for Accountants

Serve clients with Simply Invoicing simplifying invoices

Simply Invoicing helps UK accountants invoice services and retainers, track payments, manage customers, record expenses, store documents, and export VAT-ready reports for simple bookkeeping and practice reporting.

Start with free plan
No credit card required
Cancel anytime
VAT Ready
Simply Invoicing
Invoice #INV-2024-0847
Year‑End Accounts Prep£950.00
VAT Return Filing£180.00
Advisory Support£320.00

VAT (20%)£290.00
Total Due £1,740.00
🇬🇧 UK Compliant

Simply Invoicing for Accountants

Simply Invoicing keeps practice billing clear and organised. Invoice accounts and advisory work, track paid and overdue invoices, store client details, record expenses, keep documents together, and export reports for VAT and accounts.

No spreadsheets. No complicated accounting systems. Just straightforward invoicing built for Accountants.

VAT-ready invoices
Service-based invoicing
Products & Services
Store customer details
Share with accountant
Track income & expenses
10K+
Invoices Created
98%
Customer Satisfaction
2min
Average Invoice Time
£2M+
Invoiced Monthly

Features That Matter for Accountants

Fast invoice creation, customer management, payment tracking, expense logging, and reporting. Store documents, send quotes and credit notes, manage multiple businesses, and export accountant-ready records anytime.

Detailed Service Invoices

Create clear invoices with breakdowns for labour, mileage, materials and additional services.

Flexible Invoice Creation

Create and edit invoices anytime. Save drafts, duplicate previous invoices and customise line items easily.

VAT Calculation

Automatic VAT calculation using UK-compliant rates. Generate VAT-ready invoices instantly.

Expense Tracking

Log business expenses, receipts and operational costs. Keep everything organised for tax time.

Customer Database

Store customer names, addresses and contact details for faster invoice creation.

PDF & Link Sharing

Send invoices as professional PDFs or secure shareable links. Customers can view and pay online.

How It Works

Add your business details, create client records, then invoice services with clear line items and periods covered. Send instantly, track payments, record expenses, and download reports for VAT and accounts.

01

Sign Up

Create your account and get started in minutes.

02

Add Customers

Save customer details for quick and easy billing.

03

Create Invoice

Add services or products and generate a professional invoice.

04

Send & Track

Send invoices and keep track of paid, pending, and overdue statuses in one place.

Why Accountants Choose Simply Invoicing

Accountants need clear invoices for fixed fees, retainers and year-end work. Simply Invoicing keeps clients, payments and expenses together, helping you reduce admin and maintain steady cashflow.

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Branded Professional Invoices

Create clean, professional invoices with your logo and business details in seconds.

💼

Simple Payment Management

Record payments, track invoice status and keep full visibility of what’s paid and what’s outstanding.

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Clear Financial Overview

Monitor income, expenses and business performance from one organised dashboard.

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Customer Database

Store customer details securely and generate invoices faster with saved information.

Smart Invoice Tracking

See which invoices are pending or overdue and stay in control of your cash flow.

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Expense & Cost Tracking

Log business expenses and keep everything ready for your accountant at tax time.

Ready to simplify your invoicing?

Accountants—join Simply Invoicing to invoice clients quickly, track payments, and keep UK VAT and reporting organised across every client and service period.

No credit card required  •  Upgrade anytime  •  Start with free plan

Frequently Asked Questions

Include the service period and clear line items for accounts prep, VAT returns, or advisory work. Clear references help clients approve invoices quickly.

Yes. Invoice the retainer as one line and list additional services separately. This keeps scope clear and reduces billing questions.

If you’re VAT-registered and VAT applies, show VAT rate and VAT amount plus your VAT number. Simply Invoicing totals VAT and supports VAT-ready reporting.

Set due dates and monitor invoice statuses. Add client references in notes so follow-ups stay quick and professional.

Typical expenses include software subscriptions, memberships, training, equipment, and travel. Recording expenses supports cleaner reporting and tax prep.

Still have questions?

Our support team is here to help. Get in touch with us anytime.

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