JSL
Greater scrutiny of labour supply chains and the organisations operating within them.
About us
Raising the standard of compliance through independent certification, expert audits and professional training.

Our commitment
Independent evidence, practical insight and stronger standards — year after year.
Our story
Compliance.One was created to give organisations genuine, independent assurance over the labour supply chains they rely on.
We combine years of hands-on compliance delivery with specialist knowledge of contingent labour to assess how organisations engage, pay and govern workers.
That experience shapes everything we do — practical audits, clear certification requirements and support that helps organisations improve rather than simply pass.

Independent assurance
Labour supply chains are facing greater scrutiny, more complex regulation and growing expectations from boards, clients and workers.
Greater scrutiny of labour supply chains and the organisations operating within them.
Evolving obligations demand stronger evidence, controls and oversight.
Supplier failures can quickly affect reputation and stakeholder confidence.
Independent evidence provides clearer visibility beyond supplier declarations.
Leadership teams need reliable assurance that compliance risks are understood and managed.
Our mission
Compliance should be more than a tick-box exercise.
Our mission is to make compliance a source of strength — strengthening governance, creating confidence among clients, workers and regulators, and supporting continuous improvement across the supply chain.
Fair treatment and robust worker safeguards.
Clearer controls and earlier risk visibility.
Evidence stakeholders can rely on.
Our values
Four principles shape every audit, recommendation and relationship.
Every assessment is impartial, objective and evidence-based.
We act with honesty, transparency and professionalism.
We promote high standards and continuous improvement.
We work alongside organisations to support long-term success.
Why us
Identify risk. Verify compliance. Strengthen supplier oversight.
Compliance.One independently audits recruitment agencies, umbrella companies and subcontractors to help organisations protect workers, reduce risk and demonstrate compliance.
Assessment carried out entirely outside your organisation.
Specialists who understand contingent labour supply chains.
Findings and actions your teams can genuinely deliver.
Clear requirements, clear evidence, clear outcomes.
Deep knowledge of legislation and engagement models.
Annual reviews and guidance beyond certification day.
Whether you're looking for certification, training or expert support, we're here to help.