
Location: Kings Hill, Kent
Salary/package: £22,000 per annum
Contract type: Fixed Term (Apprenticeship)
Hours: Full time, 37 hours per week
Due to the nature of this role, which involves working on cases related to child protection and other sensitive matters, applicants must be aged 18 or over. This requirement is in line with legal and safeguarding responsibilities associated with the position.
Kick-start your legal career with Invicta Law as an Administrative Assistant Apprentice, where you will gain hands-on experience supporting high-impact legal work while learning on the job. This is a standout opportunity to build practical skills, work alongside experienced professionals, and develop a long-term career within a respected public sector law firm.
Who we are
Invicta Law, part of Commercial Services Group (CSG) is a specialist public sector legal firm, with extensive experience in the areas of asylum, child protection, community care and employment. Our team has years of unparalleled front-line experience in acting for one of the largest local authorities in the UK.
Why this role matters
This role exists to provide efficient, high-quality administrative and practice support to solicitors and legal assistants across several specialist legal areas. It is essential in ensuring case files, court bundles, correspondence and deadlines are managed accurately and compliantly. By acting as a central support function, the role helps fee earners focus on legal work while maintaining smooth day-to-day operations within the Practice Support Team.
What you’ll be doing
Assist qualified lawyers and legal staff with casework, including preparing court bundles, redacting documents, and drafting correspondence.
Open/close case files, conduct compliance checks, manage incoming/outgoing post, and use the Peppermint case management system for document handling.
Communicate with courts and counsel to arrange hearing dates, obtain availability and fees, and manage secure email correspondence via E-Gress.
Schedule appointments, maintain electronic diaries, and handle calls and queries from solicitors, social workers, and court staff.
Perform photocopying, scanning, printing, invoice processing, and support broader administrative tasks across the legal team.
What we’re looking for
A minimum of GCSE level (or equivalent) in English and Mathematics at grade C/4 or above.
Proficient IT skills, particularly the use of Microsoft Office applications.
Strong interpersonal and communication skills, both verbal and written.
A positive and enthusiastic attitude with the willingness to learn and develop.
The ability to work well under pressure, using initiative and adopting a proactive approach.
What you’ll get in return
Salary of £22,000 per annum.
25 days annual leave, rising to 27 after four years.
Birthday Day Off.
One concessionary day during the Christmas period.
Pension scheme with 4% employer contribution.
Life assurance cover.
Why CSG?
CSG is the UK’s largest local authority‑owned trading company (LATCO), generating over £800 million in revenue per annum and supporting more than 16,000 education and public sector customers globally.
We are growing through a combination of organic development, acquisitions and strategic partnerships. Our businesses deliver services across education, IT, HR, legal, energy, procurement and more, all focused on delivering meaningful impact.
As a locally owned organisation, we take pride in reinvesting a significant proportion of our profits into frontline services, helping strengthen the communities we serve.
Inclusion & Accessibility
We are committed to fostering a diverse and inclusive workplace where everyone feels valued and respected. We encourage applications from suitably qualified people of all backgrounds.
As a member of Inclusive Employers and a Working Families Employer, we are actively building an environment that supports inclusion, flexibility and belonging for

Creating impact
As one the UK’s largest publicly owned, privately run organisations, Commercial Services Group offer the best of both worlds. Clear commercial expertise and a deep commitment to transparency, compliance and social value.
With over 90 years of experience, we work in partnership with public sector organisations to deliver tailored, impactful and sustainable services.
Commercial Services Group is dedicated to driving lasting social impact and empowering communities across the UK and internationally. We reinvest our profits directly into frontline services, delivering lasting value for future generations.
Our Divisions:
🏫Children & Education: Delivering everything needed to create the ideal learning environment, choose from over 24,000 products and comprehensive services including HR support, teacher training, recruitment, payroll and more.
🏆People & Talent: Our talent management solutions are designed to attract, retain, and develop the best talent in the industry. We offer a range of services from recruitment to professional development.
🌱Energy & Environment: We are at the forefront of sustainable energy solutions, helping organisations reduce their carbon footprint, embrace environmentally friendly practices and manage energy procurement effectively.
🤝Procurement & Partnerships: Our procurement services are tailored to meet the unique needs of our clients, ensuring efficient and cost-effective solutions through strategic partnerships.
Our purpose
Supporting the delivery of better public services to help people live, learn and thrive.
Our vision and mission
Creating value and impact for every customer, every day. By working collaboratively and commercially – driving innovation and service excellence.