Trusted by UK Business Consultants

Online Invoicing Software
for Business Consultants

Advise clients, not spreadsheets—Simply Invoicing helps

Simply Invoicing helps UK business consultants invoice advisory work and retainers, track payments, manage customers, log expenses, store documents, and export VAT-ready reports for simple bookkeeping and reporting.

Start with free plan
No credit card required
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VAT Ready
Simply Invoicing
Invoice #INV-2024-0847
Consulting Days (2)£1,200.00
Workshop Delivery£650.00
Retained Support (Monthly)£350.00

VAT (20%)£440.00
Total Due £2,640.00
🇬🇧 UK Compliant

Simply Invoicing for Business Consultants

Simply Invoicing keeps consulting billing professional and organised. Invoice advisory work, track paid and overdue invoices, store customer details, record expenses, keep documents together, and export reports for your accountant and VAT return.

No spreadsheets. No complicated accounting systems. Just straightforward invoicing built for Business Consultants.

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 Business Consultants

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 customer records, then invoice services with clear line items and references. 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 Business Consultants Choose Simply Invoicing

Business Consultants need clear invoices for day rates, workshops and monthly retainers. Simply Invoicing keeps clients, payments and expenses together, helping you reduce admin and protect cashflow.

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Branded Professional Invoices

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

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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?

Business Consultants—join Simply Invoicing to invoice clients quickly, track payments, and keep UK VAT and reporting tidy as your consultancy grows.

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

Frequently Asked Questions

Include service type, service period, and clear line items for day rates, deliverables, or workshops. Clear references help finance teams approve quickly.

Yes. Add the retainer as one line and list additional days or deliverables separately. This keeps scope transparent and reduces billing queries.

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.

Use due dates and invoice statuses to see what’s outstanding. Add PO or project references in notes for quick follow-ups.

Typical expenses include travel, software, memberships, training, and equipment. Tracking expenses regularly supports clearer reporting and tax preparation.

Still have questions?

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

Contact Support

Who Is It For?