Sero works across homes, energy, and finance to support housing providers on their journey to Net Zero. Our PAS 2035 qualified experts, together with our technology help social landlords and the finance industry, to better understand their housing stock and develop simple and affordable solutions to retrofit their homes. Together we&rsquo;re not just tackling climate change but fuel poverty, making sure residents live in sustainable, affordable, and healthy homes.

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Affordable, sustainable home retrofits driving Net Zero and combating fuel poverty.

<div><div>Business Development Manager (London Region) 📍 Location: Wherever works best for you, though there is a requirement to travel to London twice per week and Cardiff approximately once per month💰 Salary: £49,000 - £55,000 per annum. The salary offered will be based on relevant experience📄 Contract: Permanent, 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. About UsAt Sero, we’re on a mission to make zero carbon housing a reality and we’re looking for someone to help us grow our impact in the social housing sector. About the Role: This role is all about people and partnerships. You’ll be building trust-based relationships with housing associations, local authorities and other organisations that are working to make homes warmer, greener and more sustainable around the London area. You’ll spot and shape new opportunities, working closely with our Partnerships team and others across Sero to develop tailored solutions that align with both climate goals and commercial needs.If you’re passionate about making a difference through energy services and have a knack for opening doors and nurturing long-term relationships, we’d love to hear from you. How you will Help: You’ll play a key part in our commercial team, helping us identify, develop and secure new business opportunities. That includes:<ul><li>Finding and progressing new opportunities in the social housing space – especially with housing associations and local authorities</li><li>Working closely with our Partnerships Manager to build and grow early-stage opportunities</li><li>Leading on prospecting, engagement and early relationship development, helping shape conversations with insight and warmth</li><li>Collaborating with colleagues across delivery, tech, finance and marketing to create tailored client proposals and solutions</li><li>Staying on top of what’s happening in the industry – including policy changes, funding schemes and regulatory updates – and using that knowledge to inform strategy and client discussions</li><li>Representing Sero at events, meetings and conferences</li><li>Supporting our go-to-market strategy and shaping how we communicate our value in the sector</li><li>Helping us track our pipeline, performance and forecast future opportunities</li><li>Spotting and nurturing potential upsell or cross-sell opportunities across the business</li></ul> What You’ll be Doing:  You’ll play a key part in our commercial team, helping us identify, develop and secure new business opportunities. That includes:<ul><li>Finding and progressing new opportunities in the social housing space – especially with housing associations and local authorities</li><li>Working closely with our Partnerships Manager to build and grow early-stage opportunities</li><li>Leading on prospecting, engagement and early relationship development, helping shape conversations with insight and warmth</li><li>Collaborating with colleagues across delivery, tech, finance and marketing to create tailored client proposals and solutions</li><li>Staying on top of what’s happening in the industry – including policy changes, funding schemes and regulatory updates – and using that knowledge to inform strategy and client discussions</li><li>Representing Sero at events, meetings and conferences</li><li>Supporting our go-to-market strategy and shaping how we communicate our value in the sector</li><li>Helping us track our pipeline, performance and forecast future opportunities</li><li>Spotting and nurturing potential upsell or cross-sell opportunities across the business</li></ul> What You’ll Bring:  We’re looking for someone with experience and credibility in this space – and the energy and insight to help us grow. You’ll likely have:<ul><li>A strong understanding of energy services and technologies – things like renewables, energy efficiency and heating solutions</li><li>Experience working in or alongside the social housing sector (a bonus, but not essential)</li><li>A proven track record in business development, with an emphasis on building long-term relationships</li><li>A good handle on relevant policy, regulation and funding in the energy and housing sectors</li><li>Project management skills and a background in client-facing roles</li></ul> You’ll thrive in this role if… <ul><li>You’re a confident communicator who knows how to build trust and explain complex ideas clearly</li><li>You enjoy working collaboratively across different teams</li><li>You’re motivated by the idea of doing work that matters – and making a positive impact on people and the planet</li><li>You’re proactive, results-driven and able to stay focused in a fast-moving environment</li><li>You believe in doing things the right way – with integrity, transparency and care</li></ul> 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: This is a hybrid role with regular travel required. You’ll need to be available to travel to London at least twice per week to meet with clients and attend stakeholder meetings. We’d also like you to spend time with the team at our Cardiff office roughly once a month. When you’re not attending in-person meetings, you can work flexibly from wherever suits you best.Salary: We’re budgeting between £49,000 - £55,000 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.<ul><li>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.</li><li>Private free healthcare with Bupa, with the option to add your family at our reduced rate.</li><li>Salary sacrifice Pension with Royal London – for a 3% contribution from you, you will receive 6% from Sero.</li><li>Income Protection for peace of mind - 75% of your salary for up to 5 years in cases of long-term sickness.</li><li>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</li><li>Help@Hand Employee Assistance Programme which includes 25/7 access to a GP, mental health, financial and legal support.</li><li>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.</li><li>Generous family-friendly policies.</li><li>Dog friendly.</li><li>Bike2Work scheme: purchase a bike for up to £1500 through a salary sacrifice scheme</li><li>Volunteering: 8 hours for yourself, 8 hours to use as a team.</li><li>Our office is always fully stocked with all the usual refreshments, tea, coffee, a variety of milks and a healthy fruit bowl.</li><li>FOR Cardiff membership; access to exclusive discounts from Cardiff businesses like money off food and drink.</li><li>Training and development support for everyone through our LMS and 10% protected professional development time each week</li></ul>🌎    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, get in touch! Send us your C.V. along with a cover letter explaining why you’d be the perfect fit for Sero. </div></div>

Business Development Manager (London Region)

<div><div>DEA – Project Coordinator About Sero:Sero was founded to make a connection between homes and energy, and to use technology to make both these easier and smarter together. We do this to save our customers money and to save time for them, but we also do it to save our planet. To tackle the Climate Emergency, we provide clever energy services that automatically reduce the carbon footprint of the homes we run. We are striving to become a thought leader in the world of energy technology savings and collaborate with home builders and landlords to help them understand what to do with their buildings to achieve zero carbon. Your contribution will be key to the team's success as we work together to drive forward energy efficiency and NetZero initiatives. We’re looking for someone who shares our passion for creating sustainable solutions and is eager to make a meaningful impact in this growing and dynamic field. How you will help:The DEA – Project Coordinator will play a crucial role in delivering technical retrofit Medium Term Retrofit Plans for our clients and partners. In this position, you’ll be at the heart of our mission, ensuring that the PAS 2035 process is not only technically compliant but also seamlessly integrated into our overall approach. You will be at the forefront of supporting the delivery of zero carbon retrofit projects, making a significant impact in our mission to drive sustainable energy solutions. The DEA - Project Coordinator will be instrumental in ensuring that all project activities are meticulously coordinated, meeting the highest standards of quality and compliance. A key part of your responsibilities will be the production of PAS2035 compliant documentation, working closely with the Retrofit Coordinator to support seamless project delivery. What we’ll be asking you to do:Within this role we are seeking someone who can support and deliver the following:<ul><li>Deliver compliant PAS 2035 projects, ensuring processes and standards are consistently adhered to.</li><li>Liaising with the Team leaders to identify priorities for Medium Term Retrofit Plans and providing Retrofit Coordinator process support.</li><li>Conducting technical reviews of surveys and Retrofit Assessments for errors.</li><li>Filling data gaps where survey information is missing by using online sources and/or making assumptions in line with SAP protocols.</li><li>Creating detailed technical write-ups using in house systems to accompany each Pathway, specifying the measure order, sequencing logic, caveats, assumptions made, condition issues, required remedial works before retrofit, and details of any previous retrofit work.</li><li>Collaborating with Sero technical experts to find bespoke solutions for buildings that present complex retrofit challenges.</li><li>Revising and reissuing Medium Term Retrofit Plans as needed, such as in response to client feedback.</li><li>Conducting technical reviews of post install handover and commissioning packs for errors.</li><li>Uploading information onto TrustMark data warehouse portal.</li><li>Tracking KPIs to assist with resource planning and monitor business delivery metrics.</li><li>Staying up to date with changes to industry retrofit standards, including SAP and PAS2035.</li><li>Proposing and implementing improvements to enhance the efficiency of the Medium Term Retrofit Plans process and sharing these ideas with the wider team.</li><li>Working as part of the Retrofit Coordination team, while effectively prioritising your own workload to meet weekly targets and broader KPIs.</li><li>Be prepared to work as part of the on-site inspection team when required.</li></ul> To Hit the Ground Running:We’re hoping to find someone with the following skills and experience:<ul><li>Knowledge of PAS2035</li><li>Strong experience within Excel at an intermediate level – expectation to create and amend reports utilising lookups, pivot tables and charts and power queries</li><li>Qualified as a DEA or have demonstrable experience within the retrofit sector</li><li>Driver’s license</li></ul> 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 external stakeholders to ensure we're being efficient and communicating effectively, Location: We have an office based in Cardiff and we provide our Sero team the option to work flexibly, depending on role and responsibility. While we are fully set up for virtual work and support you in which works best for your work life balance, we will need you in the office occasionally for meetings and as requested Salary: We’re budgeting up to £26,250 per year for a full-time person in this role. If the role is part-time, the salary will be adjusted accordingly based on the agreed hours. Perks:<ul><li>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.</li><li>Private free healthcare with Bupa, with the option to add your family at our reduced rate.</li><li>Salary sacrifice Pension with Royal London – for a 3% contribution from you, you will receive 6% from Sero.</li><li>Income Protection for peace of mind - 75% of your salary for up to 5 years in cases of long-term sickness.</li><li>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</li><li>Help@Hand Employee Assistance Programme which includes 25/7 access to a GP, mental health, financial and legal support.</li><li>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.</li><li>Generous family-friendly policies.</li><li>Dog friendly.</li><li>Bike2Work scheme: purchase a bike for up to £1500 through a salary sacrifice scheme</li><li>Volunteering: 8 hours for yourself, 8 hours to use as a team.</li><li>Our office is always fully stocked with all the usual refreshments, tea, coffee, a variety of milks and a healthy fruit bowl.</li><li>FOR Cardiff membership; access to exclusive discounts from Cardiff businesses like money off food and drink.</li><li>Training and development support for everyone through our LMS and 10% protected professional development time each week</li></ul>🌎    And… working with us, you’ll be helping towards saving the planet Interested? Ready to make a change? Are you ready to ‘be the change?’ If you think we’re a match, please get in touch. We’d like a C.V., please send it along with a covering letter that tells us why you’d be a perfect fit for Sero.</div></div>

DEA (Domestic Energy Assessor) - Project Coordinator

<div><div>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 UsAt 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 RoleWe’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<ul><li>Prepare monthly consolidated management accounts for review</li><li>Assist in monthly departmental reporting and management information</li><li>Monitor bank balances and help deliver accurate monthly cash flow forecasts</li><li>Maintain day-to-day bookkeeping in Xero</li><li>Liaise with the wider team to ensure all data is correctly accounted for and reconciled</li><li>Oversee the purchase order system alongside the Assistant Accountant</li><li>Liaise with teams to ensure timely sales invoicing and oversee debtor collection</li><li>Review and administer company expenses via Pleo</li><li>Assist with payroll preparation</li><li>Prepare monthly and quarterly VAT returns</li><li>Review bank reconciliations and set up payments</li><li>Collate data for R&amp;D tax returns</li><li>Respond to finance queries across the organisation</li><li>Support audit processes</li><li>Provide cover for the Assistant Accountant when required</li></ul>To Hit the Ground Running, You’ll Need:✅ Essential <ul><li>Experience producing monthly management accounts to strict deadlines</li><li>Ideally 2+ years in a similar finance role</li><li>ACCA qualified or part-qualified</li><li>Confident using Xero and Microsoft Excel (intermediate level)</li><li>Strong communication skills and the ability to work effectively with colleagues across different teams</li><li>A hands-on, flexible, and enthusiastic approach to solving problems and improving processes</li></ul>✅ Desirable (but not essential):<ul><li>Experience working in a growing SME environment</li><li>Familiarity with expense platforms such as Pleo</li></ul>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 stakeholdersSalary: 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.<ul><li>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. </li><li>Private free healthcare with BUPA, with the option to add your family at our reduced rate.</li><li>Salary sacrifice Pension with Royal London – for a 3% contribution from you, you will receive 6% from Sero.</li><li>Income Protection for peace of mind - 75% of your salary for up to 5 years in cases of long-term sickness. </li><li>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 </li><li>Help@Hand Employee Assistance Programme which includes 25/7 access to a GP, mental health, financial and legal support. </li><li>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. </li><li>Generous family-friendly policies. </li><li>Dog friendly.</li><li>Bike2Work scheme: purchase a bike for up to £1500 through a salary sacrifice scheme</li><li>Volunteering: 8 hours for yourself, 8 hours to use as a team.</li><li>Our office is always fully stocked with all the usual refreshments, tea, coffee, a variety of milks and a healthy fruit bowl.</li><li>FOR Cardiff membership; access to exclusive discounts from Cardiff businesses like money off food and drink. </li><li>Training and development support for everyone through our LMS and 10% protected professional development time each week</li></ul>🌎    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 <a href="https://sero.life/">https://sero.life/</a> </div></div>

Management Accountant

<div><div>Interested in working for Sero but our current vacancies don't quite match your skillset?  Register your interest through this section to be added to our future talent pools.  We always want to hear from enthusiastic and talented individuals who are passionate about the work we do.  Just because we aren't currently advertising a role that meets your requirements, doesn't mean we won't have one soon - especially with our current growth, did you know we recently came fourth in the <a href="http://www.fastgrowth50.com/node/5957">Wales Fast Growth 50 2022!</a> 🌞 We have a total of 34.5 days holiday per year which comprise of 25 holiday days, 8 bank holidays and an additional 1.5days over the Christmas shut down between Christmas and New Year 😷Private healthcare: Currently with Bupa, we offer this for you, with the option to add your family at our reduced rate  📈Pension contribution of 6% from us, with a minimum of 3% from you 💰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 (twice a year granted – June &amp; December)  🌄True flexible working – Work in a way that suits you, wherever, whenever – we acknowledge one size does not fit all, as long as the work gets done  🐾Our offices are in the City centre (less than 10 mins from Cardiff train station) which allows for hot desking or working from a comfy sofa whilst overlooking the Castle or the Stadium - you can even bring your pooch in  🙌Great team, with a fab culture, where we all work together to do our bit 🛡️Job security with investment from L&amp;G and Hodge Bank  🍌Our office is always fully stocked with all the usual refreshments, tea, coffee and a variety of milks and a healthy fruit bowl  📖Training and development support for everyone  🌍And…….working with us, you’ll be helping towards saving the planet  And coming soon! Plus, we have lots of new benefits on their way such as: cycle scheme, life insurance, income protection to name a few!</div></div>

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