In less than a year, one forward-thinking bookkeeping practice went from Carbon Literacy training to launching a new carbon bookkeeping service, generating press coverage and client conversations they had not expected.
TCS Guernsey is an ICB practice based in Guernsey, providing bookkeeping, year-end accounts, payroll and advisory services to businesses across Guernsey, Jersey and the UK, alongside its UK practice, Sixtyfive Group.
Founded in 2019, the practice has grown to a team of eight and is passionate about developing trainees, creating career opportunities, and supporting the hospitality sector, which it specialises in.
For Millie, Operations Manager at TCS Guernsey, Carbon Literacy training with Sustainability Suite came at the right time.
Through the practice’s close relationship with Sage, TCS had already been introduced to carbon accounting via Sage Earth. The next step was finding training that connected carbon accounting with the wider climate context, while also being relevant to accountants, bookkeepers and advisors.
“The Carbon Literacy training with Sustainability Suite was a perfect fit, with it being aimed at accountants and advisors. The course combined both the practical carbon accounting knowledge with wider climate change education, which I found provided valuable context around why this work matters beyond regulatory reasons.”
Turning learning into action
Since completing the course, Millie has developed what carbon bookkeeping looks like for TCS, including mapping out the services, pricing, and how it could be communicated to existing clients.
This is where the support from Sustainability Suite continued beyond the training itself.
“Alex, who delivered the training, was clearly passionate about the subject, which made it that much more engaging, while Olivia’s support after the course, from certification through to helping shape and market our services, was invaluable. I couldn’t have launched the new service line without them.”
The response from clients has already been positive. TCS has generated local press coverage and opened up conversations with clients who may not have raised the topic of carbon accounting without being prompted.
“I was surprised at how many clients were interested in the service but may never have raised the topic unless prompted.”
Building confidence and momentum
For TCS, the training has not just supported one person’s development. The practice has now enrolled another team member onto the training and sees carbon bookkeeping becoming an increasingly important service as the accountancy and bookkeeping profession continues to evolve.
As more businesses focus on sustainability, TCS is positioning itself to support clients with practical, relevant carbon accounting services.
For bookkeepers and accountants, this is a clear example of how Carbon Literacy can become more than training. It can help firms build confidence, start new conversations, and create services that respond to what clients increasingly need.
Advice for others
For any business or practice considering taking the next step, Millie’s advice is clear:
“I would encourage any business considering taking the next step to get in touch with both the team at Sustainability Suite, but also the wider community, and you will find all the support and encouragement you need.”
TCS Guernsey’s journey shows how Carbon Literacy training can move beyond awareness and into action, helping firms build confidence, develop new services, and start meaningful conversations with clients.
Interested in bringing carbon bookkeeping into your practice? Find out more about Sustainability Suite’s Carbon Literacy training for accountants, bookkeepers and advisors.