Trusted by UK IT Consultants

Online Invoicing Software
for IT Consultants

Deliver IT expertise with Simply Invoicing by your side

Simply Invoicing helps UK IT consultants invoice day rates and retainers, track payments, manage customers, record expenses, store documents, and export VAT-ready reports for simple bookkeeping.

Start with free plan
No credit card required
Cancel anytime
VAT Ready
Simply Invoicing
Invoice #INV-2024-0847
Consulting Day Rate (2 days)£1,400.00
Implementation Support£600.00
Ongoing Advisory Retainer£350.00

VAT (20%)£470.00
Total Due £2,820.00
🇬🇧 UK Compliant

Simply Invoicing for IT Consultants

Simply Invoicing keeps IT consulting billing clean and professional. Invoice day rates and retainers, track paid and overdue invoices, store client details, record expenses, keep documents organised, and export reports for your accountant and VAT return.

No spreadsheets. No complicated accounting systems. Just straightforward invoicing built for IT 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 IT 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 client records, then invoice days or retainers 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 IT Consultants Choose Simply Invoicing

IT Consultants need clear invoices for day rates, retainers and deliverables. Simply Invoicing keeps clients, payments and expenses together, helping you reduce admin and get paid on time.

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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.

📈

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?

IT Consultants—join Simply Invoicing to invoice clients quickly, track payments, and keep UK VAT and bookkeeping organised as you grow.

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

Frequently Asked Questions

Itemise consulting days, deliverables, and support separately, and include dates and references clients require. Clear breakdowns speed up approvals from finance teams.

Yes. Add the monthly retainer as one line, then list any extra days or add-ons 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.

Set due dates and monitor overdue invoices in your dashboard. Add PO or ticket references and notes so follow-ups are fast and records stay clean.

Typical expenses include travel, software subscriptions, hardware, training, and subcontract support. Recording them regularly keeps reporting accurate and tax time easier.

Still have questions?

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

Contact Support

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