Our Consultants

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Our consultants are all trusted specialists with the knowledge, experience and insight to support your organisation at every stage of its journey...with no affiliation to software or service providers.

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    Julie Aghanti

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    Julie Aghanti

    Payroll transformation leader and Fellow of both the CIPP and CMI. Combines deep technical expertise with strategic leadership and strong governance. MBA-qualified with a focus on organisational development and ethical, inclusive leadership. A mentor and advocate for future payroll leaders.

    Key strengths: Strategic Leadership, governance and compliance, transformational change management, inclusive and ethical leadership, mentorship and capability building.

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    Ash Bartle

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    Ash Bartle

    Senior Payroll Consultant with extensive expertise in UK and Irish payroll, alongside experience across international jurisdictions including Norway and Sweden. Delivers tailored payroll consultancy and transformation across diverse sectors, with a strong focus on end-to-end process improvement. Recognised for implementing payroll solutions that enhance accuracy, compliance, and operational efficiency.

    Key strengths: UK and Irish payroll expertise, international payroll delivery, end-to-end process transformation, compliance assurance, payroll systems implementation.

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    Simon Bradbury

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    Simon Bradbury

    CEO of Global HRIS with nearly 25 years’ experience across payroll, HR and workforce management. A full member of both the CIPP and APM, specialising in payroll systems, process improvement and large-scale implementations. Recognised for expertise in payroll testing and digital transformation, with a strong track record of delivering complex projects on time and within budget through effective stakeholder and risk management.

    Key strengths: Payroll implementations, workforce management, digital transformation, testing (SIT/UAT/parallel), compliance, process optimisation, project and programme management.

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    Donna Greenhalgh

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    Donna Greenhalgh

    Experienced payroll leader with 15+ years across in-house and bureau environments, now Payroll Partner at Acteon Group. Specialises in UK and European operations, governance, audit, systems optimisation, and transformation. Known for a people-first approach and commitment to continuous improvement.

    Key strengths: Bureau development and leadership, payroll systems review and migration, compliance expertise, process improvement and risk reduction, team training and support

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    Sylvia Hanbury

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    Sylvia Hanbury

    With over 30 years in payroll, Sylvia brings expertise in training, compliance, and operational excellence. She helps organisations and professionals deliver payroll with confidence, accuracy, and efficiency, combining strong governance with practical, modern solutions. Known for engaging, hands-on training, she supports teams in transforming processes and achieving payroll excellence across diverse sectors and environments.

    Key strengths: Payroll compliance, process improvement, operational transformation, practical training, team development.

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    Sandra Lingwood

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    Sandra Lingwood

    Seasoned payroll professional with a career spanning operational delivery, compliance, and team leadership. Experienced tutor and assessor, now running her own payroll services business. Recognised for accuracy, technical expertise, and a people-focused approach.

    Key strengths: Payroll legislation, compliance, operational efficiency, quality assurance, systems proficiency.

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    Don Macarthur

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    Don Macarthur

    Payroll and compliance specialist with 35+ years at Inland Revenue/HMRC in senior leadership roles. Expert in PAYE, NIC, employer reviews, and assessor mentoring. A pioneer of employer engagement and PAS development, known for delivering complex assessments with integrity and diplomacy.

    Key strengths: PAYE compliance, stakeholder mentoring, process optimisation, cultural leadership change.
    Awards: CIPP Honorary Fellow (2002), Special Recognition Award (2008), CIPP Payroll Person of the Year (2004).

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    Ben Mawbey

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    Ben Mawbey

    Managing Partner with over 18 years’ experience as a senior payroll consultant, specialising in payroll systems, compliance, and strategic workforce management. Has led more than 40 system implementations and process optimisation projects, delivering end-to-end payroll solutions across complex environments. Experienced in managing shared service centres, overseeing budgets, and advising senior leadership on payroll strategy and transformation.


    Key strengths: Payroll systems implementation, compliance, process optimisation, shared services leadership, strategic workforce planning, senior stakeholder advisory.

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    Jeremy Montgomery

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    Jeremy Montgomery

    Payroll specialist delivering services across UK and international sectors including retail, manufacturing, charities, and local government. Strong technical expertise, multi-territory experience, and proven leadership managing payroll teams in the UK and overseas.

    Key strengths: Payroll management, team leadership, multi-territory delivery, legislation, pensions and auto-enrolment, client relationships, data protection, HMRC liaison.

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    Jeni Morris

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    Jeni Morris

    Founder of Minimum Wage Specialists Ltd and leading UK authority on National Minimum Wage compliance. Brings cross-sector experience and a solutions-focused approach to mitigating financial and reputational risks in HMRC investigations. Trusted advisor to policymakers and skilled trainer.

    Key strengths: NMW compliance, HMRC investigation support, proactive audits, bespoke training and resources.

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    Wendy Muirhead

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    Wendy Muirhead

    Senior leader with 23+ years in finance, payroll, and HCM, delivering transformational change and significant organisational growth. Experienced in global operations, P&L leadership, and building inclusive, high-performing cultures. Skilled at driving scalable technology adoption and operational excellence.

    Key strengths: Payroll transformation, compliance, people leadership, global team management, tech optimisation, inclusive culture building.

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    Julie Northover

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    Julie Northover

    Over 40 years’ experience across public and private sector payroll, including in-house delivery and payroll service provision. A Chartered Member of the CIPP and has supported the CIPP part-time since its APSA beginnings in 1980. Runs her own payroll bureau for select clients. Teaches payroll legislation for major UK training providers and delivers consultancy covering compliance, best practice, software evaluations, and Payroll Assurance Scheme accreditation. Known for building long-term, trusted relationships and providing support that extends beyond the consultancy brief.

    Key strengths: Compliance, process optimisation, transformation, training, collaborative delivery.

  • ACE21 website speaker profile pics for listing - Tim Kelsey.jpg

    Tim Kelsey

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    Tim Kelsey

    International payroll expert with 38+ years managing large, complex payrolls across 80+ countries. Specialises in global payroll compliance, tax complexities, audits, and strategic optimisation. Respected trainer, author, and advisor to multinational organisations. Fellow of the CIPP.

    Key strengths: Global payroll compliance, audit and recovery, cross-border payroll, tax authority negotiations. Working knowledge of payroll rules in over 40 jurisdictions.