Corporate Governance

Tan Delta has adopted the Quoted Companies Alliance (QCA) corporate governance code in accordance with the requirements of the AIM rules. Details of the Group’s compliance with the QCA code are set out in the link below.

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Tan Delta Systems PLC provides equipment monitoring technologies and solutions that use real time oil analysis to enable material reductions in maintenance costs, improve reliability and reduce carbon footprint.

Key Information

  • Full Company Name

    Tan Delta Systems PLC (06362470) (TIDM: TAND)
  • Financial Year End

    31 December

Trading information

  • Exchanges or trading platforms

    Exchanges: Tan Delta shares are quoted and traded on AIM, a market of the London Stock Exchange. The Company is not listed on any other exchanges or trading platforms.
  • Details of any restrictions on the transfer of securities

    There are no restrictions on the transfer of securities.


  • Issued Share Capital

    The total number of Tan Delta ordinary shares of £0.001 each in issue is 73,223,800.

    Shares held in Treasury: None

    Shares not in public hands: The percentage of Tan Delta ordinary shares of £0.001 each not held in public hands is 65.5 %.

Significant Shareholders Number of ordinary shares Percentage of share capital
Simon Rogers 11,351,449 15.5%
Jonathan Horne 11,350,400 15.5%
Simon Tucker 9,425,589 12.9%
Amati Global Investors 7,212,000 9.9%
Gresham House 7,212,000 9.9%
Richard Booth 6,519,996 8.9%
Robert and Amanda Persey 3,182,370 4.4%
Christopher Greenwood 4,777,440 6.5%
Octopus Investments 2,906,000 4.0%

Our Board

Executive Directors


    Chris is a co-founder and the Chief Executive Officer of the Company. Chris is an experienced director of industrial technology businesses. Previously, Chris was a co-owner of Redspire Limited and a director at Drive Management Services Limited.


    Steve has over 14 years of professional experience, having worked as Head of Finance for other manufacturing and electronic companies including CODEL International Limited and Tribosonics Limited. Steve qualified as a certified chartered accountant in 2013 and joined the Company in 2020.

Non-Executive Directors


    Simon is Non-Executive Chairman of the Company, having joined and invested in the Company in 2011. Simon has extensive experience of building and scaling technology based international companies and is currently Chief Executive Officer of AIM quoted SRT Marine Systems plc which he has grown from a market capitalisation of £24m to over £100m.


    Tim has over 30 years’ finance experience which was gained by working across both the UK and US, which included three years as CFO of AIM listed LBG Media plc, including managing the company’s successful IPO in December 2021, and ten years as CFO of Nichols plc (Vimto soft drinks). During his period at Nichols plc, the market capitalisation of the company grew from c.£110 million to over £509 million. Tim was also responsible for investor relations and oversaw five successful acquisitions. Previous roles include Non-Executive Director and Audit Committee Chair at The Riverside Group Limited from 2017 to 2020. Tim is a qualified accountant (ACCA 1992, FCCA 1998).


  • Nominated adviser and broker:

    Zeus Capital Limited, 125 Old Broad Street, London, EC2N 1AR
  • Registrars:

    Share Registrars Limited, 3 The Millennium Centre, Crosby Way, Farnham, Surrey, GU9 7XX
  • Auditors:

    Haysmacintyre LLP, 10 Queen Street Place, London, EC4R 1AG

  • Company Secretary:

    ONE Advisory Limited, 201 Temple Chambers, 3-7 Temple Avenue, London, EC4Y 0DT

AIM Rule 26 Information

This information is being disclosed for the purposes of AIM Rule 26. The information disclosed on this website was last updated on 18 August 2023.


    The Company was incorporated and registered in England and Wales under the Companies Act on 5 September 2007 under the name Oil Management Services Ltd with registered number 06362470 as a private company limited by shares. On 24 May 2011, the Company’s name was changed to Tan Delta Systems Ltd. On 28 July 2023, the Company was re-registered as a public limited company under the Companies Act and changed its name to Tan Delta Systems plc. Tan Delta’s main country of operation is the United Kingdom.


    The Board recognises the importance of good corporate governance and has adopted the QCA (Quoted Companies Alliance) Corporate Governance Code. Our Corporate Governance Statement sets out how we comply with the QCA Corporate Governance Code at this point in time. We will provide annual updates on our compliance with the code.

    The Company is incorporated in the UK and is subject to the UK City Code on Takeovers and Mergers.

Board Committees


    On Admission, the Remuneration Committee will comprise and be chaired by Tim Croston until an additional independent Non-Executive Director is appointed to the Board. The additional independent Non-Executive Director is expected to join the Board within three months of Admission and will replace Tim Croston as chair of the Remuneration Committee, however Tim Croston will continue to be a member of the Remuneration Committee It is expected to meet not less than twice a year and at such other times as required. The Remuneration Committee has responsibility for determining, within the agreed terms of reference, the Company’s policy on the remuneration packages of the Company’s chief executive, the chairman, the executive directors and other senior management. The Remuneration Committee also has responsibility for determining the total individual remuneration package of the chairman, each executive director, and other senior management (including bonuses, incentive payments and share options or other share awards), in each case within the terms of the Company’s remuneration policy and in consultation with the chairman of the Board and/or the Chief Executive Officer. No Director or manager may be involved in any discussions as to their own remuneration. The Board itself or, where required by the Articles, the shareholders of the Company will determine the remuneration of the non-executive directors within the limits set out in the Articles.


    On Admission, the Audit Committee will comprise and be chaired by Tim Croston, with an additional independent Non-Executive Director expected to join the Audit Committee as a member within three months of Admission, once appointed to the Board. The Audit Committee is expected to meet at least three times a year and otherwise as required. It has responsibility for ensuring that the financial performance of the Company is properly reported on and reviewed, and its role includes monitoring the integrity of the financial statements of the Company (including annual and interim accounts and results announcements), reviewing internal control and risk management systems, reviewing any changes to accounting policies, reviewing and monitoring the extent of the non-audit services undertaken by external auditors and advising on the appointment of external auditors. The Audit Committee will have unrestricted access to the Company’s external auditors. The Audit Committee also has responsibility for ensuring that the Company has in place the procedures, resources and controls to enable compliance with the AIM Rules for Companies and MAR.

Latest News Items

Tan delta systems

Tan Delta Systems PLC provides products and systems which enable equipment operators to significantly reduce operating costs whilst simultaneously increasing productivity. The result is improved operating productivity and cash flow.

We understand how important optimal oil management is to the efficient operation of most equipment; and therefore the profitability of your business. Tan Delta oil condition monitoring uses advanced, patent protected, technology to tell you the exact condition of any oil to a high degree of accuracy in real time. This reliable and accurate information enables automatic notification and scheduling of optimal maintenance intervals based upon actual need. At the same time our system provides a highly effective and reliable early warning system for any unexpected issues which may lead to premature and or unexpected equipment wear and or failure.

Our solutions work with any oil type and are easy to fit to any equipment operating in any environment. Tan Delta oil quality monitoring is the choice of equipment operators around the world.

Tan delta systems

Tan Delta Systems PLC fournit des produits et systèmes qui permettent aux opérateurs de matériel de réduire sensiblement les coûts d'exploitation tout en augmentant la productivité. Le résultat est amélioré d'exploitation productivité et flux de trésorerie.

Nous comprenons l'importance huile optimal management est pour le bon fonctionnement de la plupart des appareils ; et donc la rentabilité de votre entreprise. Condition d'huile Tan Delta surveillance des utilisations avancées, brevets protégés, la technologie pour vous dire l'état exact de n'importe quelle huile à un degré élevé de précision en temps réel. Ces informations fiables et précises permettent la notification automatique et la programmation des intervalles d'entretien optimale basées sur les besoins réels. En même temps notre système fournit un système d'alerte rapide très efficace et fiable des problèmes inattendus qui peuvent conduire à une usure prématurée et ou imprévu équipement et ou l'échec.

Nos solutions fonctionnent avec n'importe quel type d'huile et sont faciles à s'adapter à n'importe quel matériel fonctionnant dans n'importe quel environnement. Surveillance de la qualité de la huile Tan Delta est le choix des conducteurs d'équipement dans le monde entier.

Tan delta systems

Tan Delta Systems PLC ofrece productos y sistemas que permiten a los operadores de equipos para reducir significativamente los costos de operación, mientras que simultáneamente aumenta la productividad. El resultado es una mejora de la productividad de operación y flujo de caja.

Entendemos lo importante que es la gestión óptima de aceite es para el buen funcionamiento de la mayoría de los equipos; y por lo tanto la rentabilidad de su negocio. Tan Delta condición del aceite de monitoreo utiliza una avanzada, protegidos por patentes, la tecnología que le diga la condición exacta de cualquier aceite con un alto grado de precisión en tiempo real. Esta información confiable y precisa permite la notificación automática y la programación de los intervalos de mantenimiento óptimas basadas en necesidades reales. Al mismo tiempo, nuestro sistema proporciona un sistema de alerta temprana altamente eficaz y fiable para cualquier problema inesperado que puede conducir a un desgaste prematuro y equipos o inesperado y o el fracaso.

Nuestras soluciones funcionan con cualquier tipo de aceite y son fáciles de adaptarse a cualquier equipo que funciona en cualquier entorno. Monitoreo de la calidad del aceite de Tan Delta es la elección de los operadores de equipos de todo el mundo

Tan delta systems

Tan Delta Systems PLC oferece produtos e sistemas que permitem que os operadores de equipamentos para reduzir significativamente os custos operacionais, enquanto simultaneamente aumentar a produtividade. O resultado é maior produtividade operacional e fluxo de caixa.

Nós entendemos o quão importante é a gestão de óleo ideal para o funcionamento eficiente da maioria dos equipamentos; e, portanto, a rentabilidade do seu negócio. Delta Tan monitoramento do estado do óleo usa avançado, protegido por patente, a tecnologia para dizer-lhe a condição exata de qualquer óleo a um alto grau de precisão em tempo real. Esta informação confiável e precisa permite notificação automática e programação de intervalos ideais de manutenção com base em necessidades reais. Ao mesmo tempo, o nosso sistema fornece um sistema de alerta precoce altamente eficaz e confiável para quaisquer problemas inesperados que podem levar a desgaste prematuro e equipamentos ou inesperado e ou fracasso.

Nossas soluções de trabalhar com qualquer tipo de óleo e são fáceis de ajustar a qualquer equipamento que opera em qualquer ambiente. Delta Tan monitoramento da qualidade do óleo é a escolha dos operadores de equipamentos de todo o mundo.

Tan delta systems

タンデルタシステムズ社では、オペレーションコストを大幅にカットすると同時に、生産性を向上させるシステムを提供しています。その結果、生産性の改善やキャッシュフローの大幅な改善を実現します。 当社ではオイルの最適な管理により、生産設備をもっとも有効に運用できることを理解しています。 タンデルタ製のオイルコンディションモニタリングは、特許取得ずみの最新技術を使用しており、リアルタイムかつ高精度で、オイルの種類を問わず正確なオイルの状態を把握できます。高い信頼性と精度をもったオイル状態に関する情報により、実際の必要性に基づいた最適なメンテナンス間隔の知らせやスケジュールを自動的に受け取ることができます。それと同時に、早過ぎたり予期しない設備の劣化や不具合につながるような事態を防ぐため、当社のシステムでは高い信頼性をもつ警告が出せるよう設計されています。 当社のソリューションはオイルの種類を問わず、どのような過酷な環境にある設備でも簡単に取り付けられます。タンデルタ製オイル品質モニタリングシステムはグローバルで選ばれています。

Tan delta systems

يوفر تان دلتا سيستمز ليمتد المنتجات والأنظمة التي تمكن مشغلي المعدات لخفض كبير في تكاليف التشغيل مع زيادة الإنتاجية في وقت واحد. تم تحسين الإنتاجية نتيجة التشغيل والتدفق النقدي.ونحن نفهم مدى أهمية إدارة النفط المثلى للكفاءة تشغيل معظم المعدات؛ وبالتالي فإن ربحية عملك. تان دلتا حالة النفط مراقبة يستخدم المتقدمة، وبراءات الاختراع المحمية والتكنولوجيا ان اقول لكم حالة بالضبط من أي زيت على درجة عالية من الدقة في الوقت الحقيقي. تمكن هذه المعلومات موثوقة ودقيقة الإخطار التلقائي وتحديد مواعيد فترات الصيانة المثلى على أساس الحاجة الفعلية. وفي الوقت نفسه يوفر نظامنا نظام إنذار مبكر فعالة للغاية ويمكن الاعتماد عليها لأي مشاكل غير متوقعة مما قد يؤدي إلى سابق لأوانه وغير متوقع أو ارتداء معدات وأو الفشل.حلولنا تعمل مع أي نوع النفط وسهلة لتناسب أي معدات تعمل في أي بيئة. تان دلتا مراقبة نوعية النفط هو اختيار مشغلي المعدات في جميع أنحاء العالم.

Tan delta systems

タンデルタシステムズ社では、オペレーションコストを大幅にカットすると同時に、生産性を向上させるシステムを提供しています。その結果、生産性の改善やキャッシュフローの大幅な改善を実現します。 当社ではオイルの最適な管理により、生産設備をもっとも有効に運用できることを理解しています。 タンデルタ製のオイルコンディションモニタリングは、特許取得ずみの最新技術を使用しており、リアルタイムかつ高精度で、オイルの種類を問わず正確なオイルの状態を把握できます。高い信頼性と精度をもったオイル状態に関する情報により、実際の必要性に基づいた最適なメンテナンス間隔の知らせやスケジュールを自動的に受け取ることができます。それと同時に、早過ぎたり予期しない設備の劣化や不具合につながるような事態を防ぐため、当社のシステムでは高い信頼性をもつ警告が出せるよう設計されています。 当社のソリューションはオイルの種類を問わず、どのような過酷な環境にある設備でも簡単に取り付けられます。タンデルタ製オイル品質モニタリングシステムはグローバルで選ばれています。

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