About us
Regulated. Reliable. Ready to Partner.
At Lumina, we deliver specialist accounting services with clarity, precision and confidence. As a proud extension of the award-winning Ad Valorem Group, Lumina was created to meet the growing need for expert-led, high-impact services that go beyond compliance. Whether you’re navigating a complex transaction, unlocking the power of data, or planning for growth, our team of specialists is here to help light the way.

Illuminating the Path for SMEs
Specialist Services by Ad Valorem Group
Lumina is the specialist services arm of Ad Valorem, a leading independent firm of accountants and business advisors. Since 2001, Ad Valorem has built a reputation for innovation, personal service and SME-focused support, empowering ambitious businesses to thrive.
Built on the same values and commitment to excellence, Lumina exists to support SMEs with advanced services that demand deeper technical knowledge and strategic insight.
From R&D claims and securing investment, to incentivising key team members, succession planning, tax advisory, and reaching the audit threshold - Lumina delivers expert support where it matters most.

Meet the Lumina Leadership Team
Explore how Lumina’s technical insight and practical approach give SMEs the confidence to make smarter decisions and achieve sustainable growth.
Our Specialist Services Include:
Expertly tailored solutions designed to support, scale, and safeguard your business — delivered by specialists who understand the unique needs of SMEs.
Our Mission
Empowering SMEs with specialist insight
We believe ambitious SMEs deserve the same level of specialist insight and strategic firepower as large enterprises. Our mission is to bridge that gap - helping founders, finance leaders and boards make smarter decisions, unlock greater value and move forward with confidence.
Why Lumina?
- Expert-led: Our teams are made up of technical specialists with deep sector experience.
- SME-first: We understand the pressures and pace of growing businesses – and tailor our services accordingly.
- Results-driven: We focus on commercial outcomes, not just technical solutions.
- Collaborative: We work closely with business owners, finance leaders, and advisors to deliver insight and clarity.

Case studies
Success stories from our clients
Explore how Lumina’s technical insight and practical approach give SMEs the confidence to make smarter decisions and achieve sustainable growth.
Get in touch
Regulated. Reliable. Ready to Partner.
Whether you're scaling fast or facing a new challenge, Lumina is here to help. Our specialists are ready to have a confidential conversation about your goals - and how we can support you in achieving them.
