Management Accountant Location : Hybrid – with a minimum of 2 days per week in our Cardiff office Salary : Between £30,000 and £35,000 per annum based upon experience Contract : Permanent with either full-time or part-time and flexible hours/patterns available – We understand that life is more than just work, so we’re happy to discuss flexible working arrangements around childcare and other life-balance commitments ff you are invited to interview. About Us At Sero, we’re on a mission to accelerate the transition to net zero by helping people live and work more sustainably. Our tech-enabled services support housing providers, developers, and residents to decarbonise homes in a way that’s practical, affordable, and genuinely people-focused. We’re building a supportive, curious team that shares a passion for doing things differently, and doing them well. About the Role We’re looking for a proactive and detail-focused Management Accountant to join our growing Finance team. Working alongside our Financial Controller and Assistant Accountant, you’ll take a leading role in preparing accurate financial statements, managing reporting deadlines, and maintaining clear records to support the financial health of the business. This is a varied and hands-on role, covering everything from monthly management accounts and VAT returns to cash flow forecasting, payroll support, and helping respond to audit queries. You'll also work across systems like Xero and Pleo, providing guidance to the wider team and helping make finance easier to understand across the business. If you enjoy translating numbers into insight and working collaboratively to make things better, we’d love to hear from you. How you will help Prepare monthly consolidated management accounts for review Assist in monthly departmental reporting and management information Monitor bank balances and help deliver accurate monthly cash flow forecasts Maintain day-to-day bookkeeping in Xero Liaise with the wider team to ensure all data is correctly accounted for and reconciled Oversee the purchase order system alongside the Assistant Accountant Liaise with teams to ensure timely sales invoicing and oversee debtor collection Review and administer company expenses via Pleo Assist with payroll preparation Prepare monthly and quarterly VAT returns Review bank reconciliations and set up payments Collate data for R&D tax returns Respond to finance queries across the organisation Support audit processes Provide cover for the Assistant Accountant when required To Hit the Ground Running, You’ll Need: ✅ Essential Experience producing monthly management accounts to strict deadlines Ideally 2 years in a similar finance role ACCA qualified or part-qualified Confident using Xero and Microsoft Excel (intermediate level) Strong communication skills and the ability to work effectively with colleagues across different teams A hands-on, flexible, and enthusiastic approach to solving problems and improving processes ✅ Desirable (but not essential): Experience working in a growing SME environment Familiarity with expense platforms such as Pleo More Information: Diversity: We actively look to reflect the variety of our world and welcome the widest diversity of applicants. If you require any adjustments to the application or interview process, please do get in touch! Permanent: We're a growing SME and see this role as a permanent member of our growing team. We’ve got lots of plans up our sleeves for exciting new things! Working Hours: We consider full-time to be 37.5 hours per week between 7am and 7pm Monday to Friday but this could also be a part-time role if it works best for you. How you wish to make a working pattern is up to you, as long as you’re meeting the needs of the role. We think work should suit your lifestyle, so we welcome you to work when you can be most efficient. We'd like some of your working hours to be coordinated with other team members and stakeholders to ensure we're being efficient and communicating effectively, Location: We have an office based in Cardiff and would expect you in the office on average 2 times per week to engage with the various stakeholders Salary: We’re budgeting between £30,000 and £35,000 per year for a full-time person in this role, with the offered salary being based on previous experience. If the role is part-time, the salary will be adjusted accordingly based on the agreed hours. Perks : At Sero, we offer a flexible and supportive working environment where your contributions will have a direct impact on our journey to Net Zero. We prioritise work-life balance, professional development, and a culture that values innovation and collaboration. You’ll start with 27 days of annual leave to use as you wish, plus 8 bank holidays. After 3 years of service, your annual leave will increase to 28 days. Additionally, after 5 years of service, you’ll be eligible for a paid 4-week sabbatical as a thank-you. Private free healthcare with BUPA, with the option to add your family at our reduced rate. Salary sacrifice Pension with Royal London – for a 3% contribution from you, you will receive 6% from Sero. Income Protection for peace of mind - 75% of your salary for up to 5 years in cases of long-term sickness. Share Option Scheme: after 12 months of being with Sero, you will be granted an Option over a set amount of shares based on your salary and level in the business at the time of grant Help@Hand Employee Assistance Programme which includes 25/7 access to a GP, mental health, financial and legal support. Our offices are in the City Centre (less than 10 mins from Cardiff train station) or if you prefer to drive, we have discounted NCP rates available. Generous family-friendly policies. Dog friendly. Bike2Work scheme: purchase a bike for up to £1500 through a salary sacrifice scheme Volunteering: 8 hours for yourself, 8 hours to use as a team. Our office is always fully stocked with all the usual refreshments, tea, coffee, a variety of milks and a healthy fruit bowl. FOR Cardiff membership; access to exclusive discounts from Cardiff businesses like money off food and drink. Training and development support for everyone through our LMS and 10% protected professional development time each week And… working with us, you’ll be helping towards saving the planet Interested? Ready to make a change? If you think we’re a match, please get in touch. Please send through your C.V. along with a covering letter to explain why your experience sets you apart from the other applicants. For more information about our mission, please visit https://sero.life/