Outsourced HR Support for Businesses
Trusted, Forward Thinking, Independent, Credible, Legally Sound
Your Strategic HR partner when you need additional support, specialist expertise, or independent handling of sensitive workplace matters. We act as an extension of your team.
When You Need Independent HR Support
Some workplace issues are too sensitive, too complex, or too time-consuming to handle internally. A harassment allegation against a senior manager. A grievance that needs independent investigation. A whistleblowing concern that requires credibility and distance.
Our team is made up of employment lawyers who are highly experienced in partnering with managers and HR teams to provide legally sound support to deal with sensitive workplace issues.
Our investigations are evidence based, independent and procedurally sound to ensure your business is in the best place possible to resolve issues and conflict.
At Trilogy HR Law, we provide outsourced HR support that brings objectivity, legal credibility, and practical experience to protect your business and its employees.
With collective employment law and HR experience of over 50 years and working as a Trilogy for over a decade we’ve supported numerous businesses across the UK with independent investigations, complex employee concerns, disciplinary processes, and HR challenges that require external expertise.
Whether you need a one-off investigation or ongoing HR partnership, we provide support that feels like part of your team — but with the independence that protects both you and your people.
When Should You Bring in External HR Support?
You should consider outsourced HR support if:
Harassment, discrimination, bullying, or whistleblowing allegations require independence to be credible. Internal investigations risk bias claims, especially when senior staff are involved.
Restructuring projects, multiple grievances, or complex performance issues can overwhelm HR teams. External support provides breathing room.
When the matter involves directors, executives, or senior managers, independence isn’t optional, it’s essential for credibility and legal defensibility.
Complex cases – sexual harassment prevention duties, whistleblowing procedures, TUPE transfers – benefit from specialists who’ve handled them repeatedly.
HR decisions carry legal risk. External support from employment law specialists ensures your processes align with current legislation.
Mishandled grievances or investigations damage trust. Professional, fair handling preserves culture even through difficult situations.
Many growing businesses don’t need full-time HR, but they do need expert support when issues arise.
Early advice isn’t just about legal protection, it’s about maintaining trust, consistency, and workplace culture.
Our HR Services
How We Support Your HR Function
When allegations of misconduct, harassment, discrimination, or whistleblowing arise, independence is critical. We conduct thorough, impartial investigations maintain fairness, based on evidence and are procedurally sound.
What we investigate:
- Grievances (especially involving senior staff)
- Bullying and harassment allegations
- Sexual harassment complaints
- Discrimination allegations
- Whistleblowing concerns
- Misconduct and disciplinary matters
- Fraud or financial irregularity
- Breaches of policy or professional conduct
What we do:
- Scope the investigation and agree terms of reference
- Conduct witness interviews
- Review documentary evidence
- Prepare detailed investigation reports
- Make findings on balance and recommendations
- Support you through outcome meetings
Why independence matters:
Internal investigations, especially involving senior staff, are often challenged as biased. External investigators bring credibility, objectivity, and legal defensibility.
Grievance and disciplinary processes must be fair, consistent, and legally sound. We support you through every stage, from initial complaint through to appeal.
What we do:
- Review grievance letters and advise on process
- Conduct investigatory meetings
- Support disciplinary hearings
- Prepare and support with correspondence, including outcome letters, based on the findings
- Advise and support with appeals
- Ensure legal compliance throughout
Why this matters:
Poorly handled grievances and disciplinaries are the most common source of tribunal claims. Getting process right reduces legal risk and protects workplace relationships.
Since October 2024, employers have a legal duty to take reasonable steps to prevent sexual harassment. This is proactive, not reactive.
What we do:
- Review your sexual harassment prevention measures
- Draft and update policies
- Deliver sexual harassment prevention training
- Draft and support risk assessments
- Investigate sexual harassment allegations
- Advise on reasonable steps and compliance
- Support tribunal defence if claims arise
Why this matters:
Tribunal compensation can be increased by up to 25% if you’ve failed to take reasonable steps to prevent harassment. Proactive compliance protects your business and your people.
Whistleblowing allegations, about financial misconduct, health and safety breaches, legal violations, or cover-ups, carry significant legal and reputational risk.
What we do:
- Conduct independent, confidential investigations
- Advise on legal protections and risks
- Support communication with regulators if needed
- Ensure fair treatment of whistleblowers
- Make evidence based recommendations to the company
Why independence matters:
Whistleblowers have strong legal protections. Mishandling these matters can result in unlimited compensation claims.
Discrimination claims carry unlimited compensation risk. These matters require careful, independent handling.
What we do:
- Advise on allegations and investigation processes
- Support internal investigations
- Review policies and compliance
- Support with proactive prevention duties (sexual harassment)
- Make evidence based recommendations
Managing performance related concerns fairly and consistently requires clear processes, evidence, and support or it will be open to challenge.
What we do:
- Review performance issues and advise on approach
- Draft performance improvement plans (PIPs)
- Support managers through performance meetings
- Advise on reasonable adjustments (disability)
- Guide capability dismissals if improvement doesn’t occur, in line with your instructions
Why this matters:
Capability dismissals are fair, if handled properly. Poor process leads to unfair dismissal claims. We ensure you get it right.
Employment law changes regularly. Policies that were compliant five years ago may no longer be fit for purpose.
What we review:
- Disciplinary and grievance procedures
- Equality, diversity and inclusion policies
- Sexual harassment prevention policies
- Whistleblowing procedures
- Sickness absence and capability policies
- Social media and data protection policies
- Flexible working and family leave policies
What we do:
- Audit current policies against legal requirements
- Identify gaps and risks
- Draft updated, legally compliant policies
- Provide implementation guidance
Restructuring, whether redundancy, reorganisation, or role changes, requires careful planning, consultation, and communication.
What we do:
- Advise on restructuring options and legal requirements
- Draft consultation documents and communications, in line with your instructions
- Support collective consultation (20+ redundancies)
- Review selection criteria and scoring
- Manage individual consultations
- Handle appeals
Why HR + legal expertise matters:
Restructuring is both a people challenge and a legal process. We help you manage both.
Some situations need distance from internal politics or relationships. We provide external HR support for matters that require objectivity and discretion.
Common scenarios:
- Allegations involving founders, directors, or senior leaders
- Conflict between HR and leadership teams
- High-profile disciplinaries or dismissals
- Workplace relationship issues
- Mental health or wellbeing concerns requiring specialist support
We deliver practical, engaging training that builds confidence and reduces legal risk.
Training we provide:
- Conducting workplace investigations
- Managing grievances and disciplinaries
- Sexual harassment prevention for managers
- Performance management essentials
- Equality, diversity and inclusion
- Understanding employment law for non-lawyers
Why our training works:
We’re employment lawyers who’ve handled hundreds of real cases. Our training is grounded in real-world scenarios, not theory.
How We've Helped Businesses Like Yours
Independent Investigation – Senior Fraud Allegation
A Teesside energy firm received an allegation that a senior manager was engaging in fraudulent practices. We supported the client to engage in a evidence based investigation, interviewing relevant witnesses, and produced a detailed report with findings. The business was able to take informed action.
Outsourced HR Support During Restructuring
A North East manufacturing business needed to reduce headcount by 25%. Their small HR team lacked capacity. We acted as external HR, managing consultation meetings, drafting communications, and supporting managers. The project completed on time with zero legal claims.
Whistleblowing Investigation – Financial Irregularity
An employee raised concerns about expense fraud by a senior manager. We investigated independently, reviewed financial records, interviewed witnesses, and prepared a confidential report for the board. The matter was resolved internally without regulatory involvement.
Sexual Harassment Prevention Review
Following the new legal duty, we have performed audits for our clients to ensure compliance with the new duty. We reviewed policies, conducted manager training, updated reporting procedures, and provided assistance to conduct risk assessments.
What Makes Trilogy Different
Need Independent HR Support?
Whether you need an independent workplace investigation, additional HR capacity, or specialist support for a sensitive matter, Trilogy is here to help. Three Ways to Work With Us:
One-Off Investigations
Fixed-fee independent investigations with clear scope and timescales.
Project-Based HR Support
Defined support for restructuring, policy reviews, or change programmes.
Ongoing HR Partnership
Monthly retainer access for responsive advice, process support, and compliance guidance.
Frequently Asked Questions Outsourced HR Support
HR support focuses on people management, workplace processes, investigations, and culture. Employment law advice focuses on legal rights, obligations, tribunal risk, and compliance. Trilogy provides both – which means your HR processes are legally sound and your legal advice is practically deliverable.
When the allegation involves senior staff, when internal investigation risks appearing biased, when the matter is legally sensitive (harassment, discrimination, whistleblowing), or when you lack internal expertise. Independence creates credibility.
Costs depend on complexity, number of witnesses, and volume of evidence. Simple grievance investigations without in person support typically cost around £2,000 – £3500+ VAT depending on the seriousness of the allegations. If in person support is required this can cost around £5,000 + VAT and above. Complex harassment or whistleblowing investigations may cost £5,000–£15,000 + VAT. We provide clear estimates upfront.
Yes. We offer monthly retainer arrangements for businesses that need regular HR advice, policy support, and responsive guidance without hiring a full-time HR professional.
We work with your existing HR team, providing specialist expertise, additional capacity, and independent support. We don’t replace internal HR, we strengthen it. If you don’t have an internal HR team, we act as your Outsourced HR.
Act quickly and independently. Acknowledge the complaint, protect the complainant from victimisation, appoint an independent investigator, and follow fair process. Delay or bias makes legal claims more likely.
Yes. We’re employment lawyers who understand what tribunals expect. Our investigation reports are thorough, impartial, and evidence-based, designed to withstand legal scrutiny.