Tsa Riley

With a lineage rooted in consulting heritage, TSA Riley emerged from the union of expert firms to pioneer 'project consulting'.

It follows projects end

to

end: planning, procurement, delivery, optimisation and decarbonisation—melding strategy, cost, carbon and disputes advisory.

Its global teams bring both local nuance and worldwide expertise.

Notable involvements span high

profile transport schemes: Crossrail, HS2, M25 upgrades, Heathrow works, East London Line and regional highway renewals.

It delivers services in infrastructure, transport, property, energy and water sectors—blending systems engineering with cost and carbon insights.

In 2024, it acquired niche systems

assurance specialist RGB Assurance, extending its reach into safety

critical software and hardware systems.

Projects range from airport rail to highway renewals and smart motorways—showcasing depth in both traditional civil and high

tech systems work.

Its global leadership team spans Australia, UK and New Zealand, united by a collaborative, integrity

driven approach across international markets.

We are committed to providing innovative, practical, and sustainable engineering solutions

We prioritize collaboration, openness, and respect, striving for excellence in everything we do

We value integrity and hold ourselves accountable for delivering quality outcomes for our clients

We embrace diversity of thought and seek opportunities to continuously learn and improve

We foster a safe and supportive environment where individuals can thrive and succeed

Focus on minimizing environmental impact through sustainable design and construction practices.

Integrate energy efficiency and carbon reduction strategies into engineering solutions.

Reduce waste and promote resource conservation in all operations.