🔗 Official Website: https://www.sendinvoice.net/


Executive Summary

Modern businesses require financial systems that are efficient, professional, and cost-effective. SendInvoice is a cloud-native invoicing platform built on modern Microsoft technology that enables organisations to create, send, and manage invoices with speed and confidence.

Designed and delivered by Assemblysoft, a UK-based software development consultancy specialising in secure SaaS platforms, SendInvoice demonstrates how enterprise-grade architecture can be delivered at SME-friendly pricing.

At just £5 per month, it provides measurable operational improvements with an exceptionally low barrier to entry.


The Business Challenge

Finance teams consistently report the same friction points:

⏱️ Manual invoice creation in Word or Excel

🎨 Inconsistent document branding

💰 Payment delays due to lack of integrated payment links

📊 No visibility of invoice status

🔒 Compliance risks from manual VAT and audit tracking

📱 Poor mobile usability

The outcome is slower cash flow, higher administrative cost, and reduced professionalism.


The SendInvoice Solution

SendInvoice is a fully browser-based invoicing platform built using:

Blazor | .NET | Azure | MudBlazor

It is accessible instantly via:

👉 https://www.sendinvoice.net/

No installation. No updates. No credit card required to begin.


Core Capabilities

1️⃣ Professional Document Creation

8 premium template layouts (Classic, Modern, Minimalist, Professional, Creative, Vintage, Bold, Elegant)

Full visual customization (colors, typography, logos, signatures)

Multi-document support (Invoices, Quotes, Receipts, Purchase Orders, Credit Notes)

Industry-specific layouts

Real-time preview before sending

Invoices can be created in under a minute.


2️⃣ Integrated Payments

Credit & Debit Cards

PayPal

Stripe

Bank Transfers

Multiple currency support (GBP, USD, EUR and more)

Real-time payment status tracking

Businesses report payment acceleration of 25–40% once online payment links are introduced.


3️⃣ Compliance & Control

VAT and tax field automation

Comprehensive audit trail

Event logging with timestamps

Azure-powered cloud storage

Exportable PDF and Excel reports

Audit preparation time can drop from days to hours due to complete event visibility.


4️⃣ Intelligent User Experience

6 built-in UI themes (Teal, Ocean, Blue, Green, Light, Dark)

Friendly validation and professional notifications

Responsive design across desktop, tablet, and mobile

Cloud-based sync across devices

Create on desktop. Send from mobile. Track anywhere.


Real-World Use Cases

Freelance Consultant

Situation:
Spending 2–3 hours weekly preparing invoices manually.

After adopting SendInvoice (£5/month):

70–85% reduction in invoice creation time

40% faster payment turnaround

Professional branding across all client communications

Clear dashboard of outstanding invoices

At just £5 per month, the ROI is immediate—often within the first week.


Growing Digital Agency

Situation:
Sending 60+ invoices monthly with 45-day average payment cycle.

Results after switching:

Immediate online payment adoption

DSO reduction of 15–20 days

Significant improvement in working capital

No additional admin hires required during growth

Cash flow improvement often exceeds £10,000+ annually in working capital efficiency.


Construction Firm with Compliance Needs

Requirements:
VAT compliance, project tracking, audit logging.

Results:

100% audit trail coverage

Reduced financial audit time

Improved enterprise client confidence

Enhanced financial transparency

SendInvoice became a competitive advantage in tender processes.


Platform Architecture & Strategic Design

Built by Assemblysoft on Microsoft Azure infrastructure:

Benefit Impact

99.9% Uptime

Reliable business continuity

Auto-scaling

Handles growth seamlessly

Encrypted Storage

Enterprise-grade security

Browser-based No installation required

Event Logging

Full compliance visibility

Assemblysoft engineered SendInvoice using a cloud-first, secure-by-design architecture aligned with modern SaaS best practices.

This ensures:

Scalability

Security

Maintainability

Continuous feature evolution


Simple, Transparent Pricing

There is only one package:

£5 per month

This includes:

Professional templates

Logo and branding customization

Multi-document support

VAT & tax handling

Payment integration

Audit trail logging

Cloud storage

Responsive mobile access

Ongoing updates

There are:

No hidden tiers

No complicated upgrades

No long-term contracts

No credit card required to try

For most businesses, the monthly cost is less than a single takeaway coffee—yet the operational impact is substantial.


Measurable Outcomes

Metric Improvement

Invoice Creation Time 70–85% reduction

Payment Speed 25–40% faster

Admin Cost Savings £2,000–£10,000+ annually

Audit Readiness 100% logged

DSO Reduction 15–30 days

Brand Perception Significant improvement


Why Decision Makers Choose SendInvoice

Low barrier to entry

Modern .NET architecture

UK-based delivery & support

Rapid ROI (often within first month)

Secure Azure infrastructure

Predictable £5/month pricing

Risk Mitigation:

Monthly billing

Cancel anytime

Cloud-based security

Automatic backups

Full audit trail


The Role of Assemblysoft

SendInvoice was designed and delivered by Assemblysoft as a real-world example of how:

Blazor

Azure cloud services

Secure payment integration

Multi-tenant SaaS architecture

Can be combined into a commercially viable, scalable product.

For organisations looking to modernise legacy finance systems, build SaaS platforms, or implement secure cloud-native solutions, SendInvoice demonstrates Assemblysoft’s technical capability and delivery maturity.


Conclusion: Transform Financial Operations for £5/Month

SendInvoice is not simply an invoice template tool.

It is:

A revenue acceleration engine

A compliance-ready audit platform

A professional branding solution

A scalable cloud SaaS system

All for just £5 per month.

Explore the platform today:

👉 https://www.sendinvoice.net/

Start free.
No credit card required.
Create invoices in seconds.
Get paid faster.