Small Cap Awards 2025: ESG Of the Year Nominees

Held annually, the Small Cap Awards celebrate outstanding achievements in the UK’s sub-£350m market cap quoted company sector. This prestigious event brings together industry leaders, fostering trust, innovation, and excellence among smaller quoted companies.
The awards will recognise companies and participants listed on or before January 1, 2024, across various categories. Winners will be unveiled at a black-tie gala dinner on Thursday 19th June, at Merchant Taylors’ Hall, City of London
This exclusive event will be attended by institutions, fund managers, brokers, company directors, entrepreneurs, and advisors, providing a unique opportunity to connect with those driving exceptional growth and performance in the small-cap sector over the past year.
The nominees for ESG Of the Year Award are as follows:
Ondo InsurTech Plc: Leading the way in claims prevention technology
Ondo InsurTech Plc is a UK-based leader in claims prevention technology for home insurers—the first publicly listed insurtech company in the UK, with all innovation and manufacturing proudly rooted in Britain. The company is best known for its flagship solution, LeakBot, a patented smart device that detects and prevents water leaks in homes, addressing the number one cause of home insurance claims worldwide.
Water damage accounts for an estimated $17 billion in insurance claims annually across the USA and UK. Ondo addresses this challenge head-on with LeakBot, a self-install, smart water leak detector that connects to a home’s wireless network. When it detects hidden leaks, the device sends a real-time alert via the LeakBot mobile app and offers seamless access to a team of specialist engineers who can quickly diagnose and fix the issue. This proactive approach helps insurers cut claims costs significantly-by up to 70%, according to independent research from Consumer Intelligence.
Ondo has made remarkable strides in establishing LeakBot as a scalable, global solution, forging strategic partnerships with 24 insurance carriers across Europe and the United States. Key partners include industry leaders such as Nationwide, Liberty Mutual, Admiral, Direct Line Group, Hiscox, Länsförsäkringar, and TopDanmark, reflecting strong market validation of the technology’s value.
In the US, Ondo has built strong momentum, now working with seven insurers, including three of the top twenty US home insurance providers. These relationships give the company access to a potential customer base of 5.8 million households across 23 states, laying the foundation for widespread adoption in a high-value market.
Ondo’s commitment to sustainability and positive impact has been formally recognised by the London Stock Exchange, which awarded the company the Green Economy Mark, an honor given to companies that derive the majority of their revenue from environmental solutions. LeakBot contributes directly to this mission by helping reduce unnecessary water waste and damage, aligning both economic and environmental interests.
CEO Craig Foster emphasizes the transformative impact of LeakBot on the insurance industry:
“LeakBot is proven to save insurers’ claims costs totaling many times the cost of deployment. Despite slower-than-expected contract momentum, we have exceeded our expectations in securing new insurer partnerships over the past twelve months. In the United States of America, we are now contracted with 7 insurers including 3 of the Top Twenty US home insurance companies, giving us access to 5.8m households across 23 states. Looking ahead, our focus is on scaling existing partnerships, accelerating US adoption, and increasing production to meet growing demand.”
With a clear roadmap for growth, expanding partnerships, and increasing recognition for its green credentials, Ondo InsurTech is poised to reshape the landscape of home insurance through prevention-first innovation.
For more information, visit www.ondoplc.com.
TPXimpact | B Corp™
TPXimpact is a transformation company, and Certified B Corporation™, on a mission to build a future where people, places and the planet are supported to thrive. Combining vast expertise in human-centred design, data, experience and technology, we help the public, private and third sectors with their digital transformation journey, delivering high quality solutions that improve services, experiences and outcomes. We’re passionate people who work in close collaboration with our clients to create sustainable solutions ready for an ever-evolving world.
MJ Gleeson plc
MJ Gleeson plc is listed on the London Stock Exchange and comprises two divisions: Gleeson Homes and Gleeson Land.
Gleeson Homes is the leading low-cost, affordable housebuilder with the vision of “Building Homes. Changing Lives.” Focusing on areas where affordable housing is most needed in the Midlands and North of England, Gleeson Homes’ average selling price was £193,900 for the half year ended 31 December 2024, 34% lower than other housebuilders average selling price of £291,700 in the same geographic regions. This means that a couple earning the National Living Wage can afford to buy a home on any Gleeson Homes development.
All homes are traditional and brick-built with a driveway and considerable garden space. Gleeson Homes offers a wide range of layouts, including one, two, three, and four-bedroom homes across a range of terraced, semi-detached and detached houses, bungalows and maisonettes.
As part of its social purpose of providing affordable homes to those who need them most, Gleeson Homes supports local buyers and key workers by offering a range of schemes to help them get on the property ladder. The business also supports and invests in its local communities through its Community Matters scheme, which includes sponsorship of local junior sports teams, creating apprenticeship schemes for local young people, and offering employment opportunities to those living close to its developments.
Gleeson is committed to investing in its people to foster a supportive and inclusive workplace. The Company was the first listed housebuilder to be accredited by the Living Wage Foundation, ensuring that all employees and subcontractors working on its sites are paid a Real Living Wage. Likewise, Gleeson was proud to be the first housebuilder to be accredited by the Fair Tax Foundation for its commitment to responsible tax conduct and transparency and can once again proudly announce that it has been awarded the Fair Tax Mark for a fifth consecutive year this year.
In recognition of its workplace culture, Gleeson achieved a ‘We invest in People GOLD level’ accreditation according to the Investors in People (IIP) framework. The Company was also awarded the People Insight Outstanding Workplace Award in 2024.
Gleeson is also a member of The 5% Club, committing to at least 5% of its workforce being in earn-and-learn roles. As of 2024, this includes 44 apprentices and seven new graduates recruited to join the business in September 2025 as part of a new two-year, multi-disciplinary graduate scheme.
Gleeson Land, which operates across the South of England and the Midlands, is the Group’s land promotion division. To deliver on its vision of “Promoting Land. Unlocking Value”, the division carefully identifies sustainable development opportunities which it then promotes through the residential planning system and sells on behalf of the landowner. Gleeson Land is a pioneer of data analytics in the land promotion space, which it leverages to secure new promotion agreements and deliver successful planning outcomes.
More details on the Company can be found at: www.mjgleesonplc.com
Alumasc Group plc
The Alumasc Group plc is a market-leading UK-based provider of sustainable building products and solutions, focused on enhancing the performance and sustainability of the built environment. We operate through three divisions: Water Management, Building Envelope, and Housebuilding Products. Each division delivers innovative, environmentally responsible products that support climate resilience, energy efficiency and urban greening in a diverse range of applications in the building and construction sector.
Our Water Management division addresses climate change challenges through products that efficiently capture, retain and control the flow of rainwater. From rainwater systems to drainage infrastructure and architectural aluminium products, we help build more resilient urban spaces. Our Building Envelope division champions decarbonisation, with cutting-edge weatherproofing and insulation solutions to reduce heat loss, with options including bio-solar roofs and carbon-absorbing membranes which further improve a building’s carbon footprint and blue and green roofs which provide biodiverse urban green spaces while attenuating stormwater run-off. In our Housebuilding Products division, Timloc manufactures a diverse range of products which focus on improving a building’s energy efficiency by managing ventilation while increasing airtightness.
Our success in 2024/25 was underpinned by our well-established growth strategy, centred on sustainability, innovation, and financial discipline. We have consistently outperformed the UK construction sector by aligning our offering with long-term structural trends such as decarbonisation and climate resilience. We benefit from strong brand recognition, premium product lines, and best-in-class service, which drives repeat business and market leadership.
Sustainability is central to everything we do, both in our product lines and our operations. We have reduced our carbon emission intensity by 70% since 2018, through a combination of measures including efficiency programmes and purchasing 100% of our electricity from renewable sources. Our Timloc site was the first UK building products manufacturer to achieve carbon neutral status. We promote the circular economy with our market-leading use of recycled materials, which are themselves recyclable at the end of their life, making our products resource- and carbon-efficient. We are proud holders of the London Stock Exchange Green Economy Mark.
Financially, Alumasc is in a robust position, with strong cash generation and disciplined balance sheet management. This financial strength supports ongoing investment in technology, automation, and selective acquisitions that enhance efficiency and accelerate growth domestically and internationally. A clear example of this strategy is the recent extension of our Halstead production site, which manufactures access covers under our Gatic brand. This £3 million investment in building infrastructure and machinery has improved manufacturing efficiency, simplified product installation, and further strengthened Gatic’s environmental credentials. To date, Gatic’s products have been supplied to projects in 114 countries, and we continue to focus on improving our geographic reach.
Looking forward, we are well-positioned to meet the rising demand for sustainable building solutions. Supported by a highly experienced leadership team, we continue to innovate and invest in line with our growth strategy. With a strong market presence, operational excellence, and a clear commitment to sustainability, Alumasc is helping to support the move to green construction while delivering consistent, long-term growth.

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