The operating system for clean tech installers
From 10-person operations to national energy suppliers. Master compliance, streamline operations, and scale without the chaos.
Trusted by leading energy companies
Active Projects
Heat Pump Installation
Sarah Johnson
£12,450
Quote AcceptedSolar Panel System
Mark Thompson
£8,200
ScheduledBattery Storage
Emma Williams
£6,800
In ProgressPurpose-built for clean tech installers
Sound familiar?
The challenges holding you back
If you're still running your business on spreadsheets, WhatsApp, and willpower - you're not alone. These are the problems we solve every day.
Drowning in admin
Juggling spreadsheets, WhatsApp, emails, and paper. Information scattered everywhere. No single source of truth.
Compliance headaches
MCS paperwork, DNO applications, G98/G99 forms. Spending hours on documentation instead of installations.
Cash flow blind spots
No visibility on outstanding invoices, upcoming payments, or project profitability. Financial chaos at month-end.
Growing pains
Want to scale but your systems can't cope. Every new hire means more chaos. Growth feels impossible.
There's a better way. Purpose-built software that understands your business.
Powering the clean energy transition
Real projects delivered through Payaca
Clean tech installations completed
Installed through Payaca
Connected to the grid
Managed end-to-end
Everything you need to run your operation
Purpose-built for clean tech installers. Not adapted from generic software.
Quote accepted!
£12,450 · Heat pump
Sales & Quoting
Multi-option proposals
Good, better, best packages with customer selection
Design tool imports
EasyPV, Heatpunk, OpenSolar integrations
E-signatures
Customers sign digitally, instantly
Payment collection
Deposits at acceptance via Stripe
Operations
Map-based scheduling
See your team on a map, optimize routes
Mobile app
Schedules, specs, checklists - works offline
Project tracking
Real-time progress for every installation
Timesheets
Automatic tracking for payroll and costing
Finance & Compliance
Invoicing
Generate invoices, collect payments online
Accounting sync
Two-way sync with Xero and QuickBooks
MCS compliance
Auto-generate required documentation
Grid applications
Submit DNO applications via ENA Connect
Loved by installers across the UK
See why leading clean tech businesses choose Payaca
“There was nobody we could see in the market that offered a tenth of what Payaca did within the renewable energy space. The compliance features alone have saved us countless hours.”
Trusted by clean tech installers across the UK
Frequently asked questions
Everything you need to know about Payaca
Still have questions? Get in touch
Ready to streamline your clean tech operations?
Join 500+ installers who've transformed their business with Payaca. We'll handle your workflow mapping, process optimisation, and data migration.