Greenly was founded in 2019 by Alexis, Matthieu and Arnaud with one mission: make carbon management as essential as financial management
Today, we are a global leader in carbon accounting, proudly B-Corp certified and part of the French Tech 120 Our climate suite combines smart data collection with intuitive automation, helping companies measure, reduce, and report their emissions with ease — supported at every step by our in-house climate experts. 💚
More than 3,500 companies in 20+ countries use Greenly to manage their climate strategy: from carbon assessments and life-cycle analyses to SBTi trajectories and compliance with CSRD and CBAM.
We are now a team of 200+ people from 40+ nationalities, based in Paris, London, Barcelona, and New York. 🌎
To date, we’ve tracked over 200 million tons of CO₂ through our platform. Our next milestone: 10,000 clients and one billion tons of CO2 under management
Ambition for climate: Minimize GHG emissions, maximize climate impact
Deliver with agility: Work in small increments: fail fast, learn fast, win fast
Own your opportunities: Achieve outstanding results by showing initiative and accountability
Feedback paves the way: Succeed as a team by helping others progress
Curious to know more ? Check out our Culture Book, blog , and youtube channel 🎥
As a Billing and Collection Intern, you will gain hands-on experience in managing billing processes, assisting with collections, and supporting financial reporting. This is a great opportunity to learn in a fast-paced professional environment, develop your skills, and gain insight into the financial operations of a business.
Support the monitoring of outstanding receivables and implement cash collection procedures to minimize receivables
Assist in the preparation and issuance of customer invoices
Optimize existing processes to facilitate cash collection
Help follow up with clients regarding unpaid invoices and resolve discrepancies
Maintain accurate billing records and update customer account details
Assist in preparing reports, including aging reports and account reconciliations
Collaborate with the finance team on various administrative and accounting tasks
Currently pursuing a relevant degree, such as Accounting, Finance, or Business Administration
Foundational knowledge of billing and accounting principles
Proficient in Microsoft Office, particularly Excel
Strong organizational and communication skills
Detail-oriented and proactive with a willingness to learn
Fluency in English (written and spoken) is required.
💰 Salary: €1.200 per month
📍 Beautiful offices in the heart of Paris (9ᵉ arrondissement)
⚒️ Top-notch tools to help you do your best work
🚅 50% Navigo reimbursement for public transport
🥗 Sustainable lunch vouchers via Ekip
🤸 Partial coverage of your Gymlib subscription
🤝 A culture of autonomy, transparency, and collaboration — with a team of highly talented, committed people
Please note that this is a full-time 6-month internship
Meet our Team member Shamishtha for an introduction to the role
Prepare and present a case study exercise
Final chat with Joan, our Head of Finance
Provide us with a reference to complete the recruitment process
We welcome you during our onboarding week! 🥳
We’re a team shaped by diverse experiences and ideas. If you’re excited about the role but don’t match every requirement, we still encourage you to apply — you may be the right person for the team. 🙏
ℹ️ For practical reasons, we request candidates to communicate as much as possible via the Teamtailor platform (rather than on LinkedIn, or other channels)

Greenly is on a mission to democratize access to science-backed climate intelligence, transforming sustainability from a compliance burden into a strategic competitive advantage.
In a world where sustainability once meant costly consultants, manual data entry, and static PDF reports, Greenly makes climate action accessible, precise, and actionable for everyone: from SMEs to global enterprises.
Our all-in-one sustainability suite centralizes everything from carbon management and LCAs to ESG & CSRD reporting, backed by 4000+ delivered GHG reports, 10+ ESG frameworks, and a supplier platform engaging over 5,000 partners. Trusted by 3,500 clients in 25 countries, Greenly combines science-backed precision, with access to 300k+ emission factors and methodologies aligned with the GHG Protocol, ISO, and SBTi—with expert guidance from 70+ climate professionals, ensuring every company builds credible strategies and becomes smarter about climate as they go.
Designed with efficient tech and intuitive UX, Greenly streamlines sustainability operations with integrations across 100+ softwares, automated quality controls, and real-time data visualizations, earning us top ratings (4.9 G2, 4.8 Capterra, 4.6 Trustpilot).
Greenly empowers companies to own their climate expertise in-house and collectively drive impact toward our bold goal: avoiding 1 billion tons of CO₂ by 2030.