Software for solar panel installers: quotes, expenses and tax
TradeTally is software for UK solar panel installers who want to quote work, send invoices, capture receipts and keep tax records organised, on your own or with your accountant.
Send the first invoice today, keep the evenings.
14 days of full access, no card. Keep the free tier for up to 2 invoices a month after.
Invoicing, expenses and tax records, in one place
TradeTally is software for sole traders who need to quote, invoice, capture receipts and stay ready for Self Assessment without turning evenings into bookkeeping time.
Built around a solar panel installer's day
- Solar PV panel installation
- Battery storage systems
- Solar panel maintenance
- Inverter replacement
- Energy monitoring systems
- EPC assessments
The everyday stuff
- High-value installations requiring deposit and staged payment invoicing
- Tracking panel, inverter, and battery costs from suppliers
- Managing MCS certification alongside financial paperwork
An easy handover when the accountant asks
Whether you file your own Self Assessment or pay an accountant, TradeTally keeps a solar panel installer's records the way accountants like them: organised by job, receipts attached, labour and materials split, ready to hand over.
- Share a read-only books link so your accountant sees invoices, expenses and receipts without endless email
- SA103F-ready export with turnover, expenses, mileage and CIS suffered pre-mapped (Pro)
- Every receipt captured at the job, no shoebox of paper at 31 January
Not sure what your accountant needs? Read the plain-English SA103F guide.
Common questions
Can I invoice staged payments for solar installations?
Yes. Create deposit, mid-installation, and completion invoices: all tracked against one customer for a clear audit trail.
How do I track solar panel and inverter costs?
Log equipment purchases as expenses with supplier invoices. TradeTally calculates your profit per installation.
Does TradeTally support MCS-registered solar installers?
TradeTally handles your business finances. Attach MCS certificates to invoices for your customer's records.
Send the first invoice today.
Create a branded invoice, add a payment link and capture the receipt for the job, all from the same place. 14-day trial, no card.