Invoicer
Simple, professional invoicing for tradespeople. Create quotes, send invoices, get paid. Built with large text and clear labels - no jargon, no fuss.
Try Invoicer
Simple Software for UK Tradespeople
Automate the boring.
Scale the important.
We build reliable, straightforward software tools that let you focus on your trade, not your paperwork.
Our Products
Tools designed to do one thing really well. No bloat, no complexity - just useful software.
Gravity Host
Enterprise-grade cPanel hosting for businesses who need reliability. UK-based servers, proper support, fair pricing.
Visit Gravity Host
OpenCart Extensions
Premium extensions for OpenCart stores. BaseLinker integration, automatic reward points, delivery notifications and more.
Register interest
Appoint Me
Smart booking system for therapists, beauticians, and healthcare professionals. Let your clients book appointments 24/7.
Register interest
Web Development
Bespoke website development using premium themes, customised to your exact requirements. Reduced rates available for charities and non-profits.
Discuss your project
Custom Automation
Bespoke tools built around your workflow. Order management portals, shipping integrations, Royal Mail, BaseLinker - streamlined to your exact process.
Discuss your needs
Technical Consultancy
One-to-one consultations with a senior engineer. Architecture advice, code reviews, technical strategy, and problem-solving sessions.
Book a consultation
AI Integration
Harness AI to streamline your business. Workflow automation, content generation, data analysis, document processing - practical AI solutions that save time and money.
Explore possibilitiesBuilt for Reliability.
Not lock-in.
Clean, Standard Code
We use industry-standard PHP 8.3 and established frameworks. No proprietary nonsense - if you ever need another developer to look at things, they'll understand what's going on.
Honest, Fair Pricing
No hidden fees, no surprise charges, no "enterprise pricing" that triples after year one. What you see is what you pay. We're a small business too - we get it.
UK-Based Infrastructure
Your data stays in the UK, on fast, secure servers.
UK
Based Servers
99.9%
Uptime Target
24/7
Monitoring
GDPR
Compliant
Computation
AMD Ryzen™ 9 7900
12-Core / 24-Thread Architecture
Storage Fabric
NVMe SSD Array
High-I/O Low Latency Storage
Acceleration
LiteSpeed Enterprise
HTTP/3 QUIC & Redis Caching
Location
Coventry, UK
Tier 3 Data Center Facility
Modern Hardware
AMD Ryzen processors, NVMe SSD storage, and plenty of RAM. Your applications run fast and stay responsive.
LiteSpeed Web Server
Enterprise LiteSpeed with HTTP/3 support and built-in caching. Faster page loads, better performance.
Proper Backups
Daily automated backups with off-site storage. Because disasters happen and you shouldn't lose your data.
What This Means for You
- Data stays in the UK (GDPR sorted)
- Fast loading times for UK visitors
- Regular backups (we've got you covered)
- SSL certificates included
- Support from actual humans
Trusted by Businesses
What our clients say about working with us.
Graham handles everything technical for our shop - email issues, OpenCart updates, BaseLinker integration, logistics automation, reward points, even our Christmas marketing campaigns. He's always quick to respond and nothing is ever too much trouble.
From custom-coded pages and donation systems to cookie policies and newsletter popups - Graham built exactly what we needed. He continues to support us with content updates at affordable charity rates. A genuine pleasure to work with.
I had a backlog of invoices piling up. Invoicer helped me clear through them quickly, get paid faster, and even keep track of sending insurance certificates to clients. Simple, does what it says, perfect for tradespeople.
Get in Touch
Got a question? Need a hand with something? Fill in the form and we'll get back to you.
Email Us
support@gk.tools
Registered Office
483 Green Lanes, London, N13 4BS
Company Number
16434833
Click to load map