Let's power up your
profits
We simplify quoting, invoicing, and backoffice for clean energy companies.
- $50M funded
- Millions $ saved
- 1000's happy clients
- $50M funded
- Millions $ saved
- 1000's happy clients
Residential Solar
EV Charging Stations
Commercial Solar
Battery Storage
Forest Plantation
SINCE - 2015
Services
Simplify Billing
Send quotes with financing options, convert them to invoices with one click, and get paid easily.
Need a loan to scale up?
A quick and hassle-free way to access capital, bypassing the frustrations of traditional financing.
Get Organised
with Solar CRM
Our platform helps solar energy businesses manage leads, sales, and customer interactions efficiently, improving operations and growth.
Do you love Admin?
Probably NOT. Switch to our accounting tool that’s easier than QuickBooks and is specifically for clean energy-focused businesses. Access more tax credits and simplify your operations.
Our ecosystem of partners and tech providers
sba.gov
Loans
epa.gov
Grants and taxes
energy.gov
Grants and taxes
stripe.com
Loans and Payments
Chatgpt.com
AI Automations
zapier.com
Process optimization
azure.com
Platform infrastructure
Get more sales and save cost with our quoting and CRM tools
Aerial imagery
Rooftop analysis
Building analysis
Solar panel array design
Shading Analysis
Solar Energy Potential
REVIEWS
What Our Clients Say
They helped us get venture funding for a strategic project
Daniel Stålbo
Eternali ABFinally a tool that ticks all boxes
Audrey Parnevik
Sunlink Installers LLCWe collaborated with Greatweek for tax strategies for an ESG project
Lisa Greyhill
AccountantWe got a business loan within 3 days
Doug Benner
North Grid LLCSolar Business
Greatweek allows you to focus on what you do best, driving new revenues and customer satisfaction. With our finance and software tools, your business will operate with greater profitability and scale.
Contractors & 1099
Skip the hassle of searching for new projects and chasing unpaid invoices. With Greatweek, you get paid on time, and communication with clients is smooth and streamlined, allowing you to focus on efficient installations and growing your business.
Grow your business
Get a free business check-up with our Growth Expert
Lower cost
Cut inefficiencies by automating everything
Frequently Asked Questions
Our platform equips Clean energy companies with the financing and automated back-office solutions they need to accelerate growth and drive innovation.
It depends on your current turnover. but typical loan amount is $10-150K
Apply for business loans and using our invoicing and accounting tools are free. APR are highly competative. If you need help with bespoke automation, AI implimentation and business growth, our industry-specific experts are available at competitive rates.
QB is a great accounting software, but you still need a CPA, Bank account and most often a payments platform like Zelle, PayPal etc. If you are up and running on QB you can easily merge over your infrastructure to GreatWeek. Or keep things in QB and use Greatweek for Payments, CRM and business loans.
Nope. We don’t believe in locking you down to long term commitments. However our customers tend to stick to Greatweek as we are fanatic about customer care.
We can integrate almost any software on the market. Our partnership with Zapier.com connects Greatweek to 100.000 other apps. Reach out to us if you have specific needs.