Tekton Billing
Office & Finance Manager
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Office & Finance Manager
Location: Caterham, Surrey (Hybrid)
Salary: £35,000 – £40,000 per annum (depending on experience)
Reporting to: Chief Executive Officer
Contract: Full Time
About Tekton
Tekton is an independent, privately-owned, family-run software business, born out of the frustrations with legacy billing systems. We believed there had to be a better way to manage telecoms billing in the 21st Century.
Today, our award-winning platform helps hundreds of technology providers automate complex billing and business processes across the UK.
As we continue to grow, we're looking for an organised, proactive, and dependable Office & Finance Manager to help keep our business running smoothly.
This is a varied role at the heart of the business, combining finance administration, office management, HR administration, compliance, and executive support. You'll work closely with our CEO and leadership team while supporting every department across the business.
The Role
We're looking for someone who enjoys being organised, takes pride in getting the details right, and loves making sure everything runs smoothly.
You'll become the person that people turn to when they need something organizing, solving, or coordinating.
Whether it's raising customer invoices, onboarding a new starter, preparing documents for an ISO audit, organising a company social, or making sure suppliers are paid on time, you'll play an important role in keeping Tekton operating efficiently.
If you're naturally organised, enjoy variety, and like working in a friendly, growing business where your contribution genuinely matters, we'd love to hear from you.
Key Responsibilities
Finance
- Raise customer invoices.
- Process supplier invoices.
- Complete supplier statement reconciliations.
- Complete bank reconciliations using Xero.
- Support credit control and chase overdue invoices.
- Assist with month-end finance processes.
- Maintain accurate financial records and documentation.
- Support the CEO with financial administration and reporting.
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Office Management
- Manage the day-to-day running of the office.
- Coordinate suppliers and office facilities.
- Order office equipment and supplies.
- Organise company events and quarterly socials.
- Coordinate company contracts, renewals, and insurance.
- Support general administration across the business.
HR Administration
- Coordinate onboarding and offboarding.
- Prepare employment documentation.
- Maintain employee records.
- Administer BreatheHR.
- Coordinate training and inductions.
- Support recruitment administration.
- Administer employee benefits, including Bright Exchange and Wisdom Wellbeing.
Compliance & Administration
- Maintain ISO27001 documentation and evidence.
- Support Cyber Essentials and other compliance activities.
- Keep company policies and procedures up to date.
- Organise audit documentation.
- Maintain supplier due diligence records.
- Ensure important business documentation is accurate and well-organised.
Executive Support
- Prepare presentations, reports, and meeting packs.
- Coordinate leadership meetings and follow up actions.
- Manage general correspondence and administration for the CEO.
- Support business improvement projects as required.
About You
You'll probably already be working in a role such as Office Manager, Finance Administrator, Executive Assistant, Practice Manager, Business Support, or Office & Finance Administrator.
You're highly organised, enjoy helping people, and naturally spot the jobs that need doing before anyone asks.
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You take pride in delivering work to a high standard, communicate professionally, and enjoy working in a busy environment where every day is different.
Skills & Experience
Essential
- Previous experience in an office management, finance administration, or business support role.
- Experience using Xero or similar accounting software.
- Experience raising invoices, reconciling accounts, and supporting credit control.
- Excellent organisational skills.
- High attention to detail.
- Strong written and verbal communication skills.
- Excellent Microsoft Office skills.
- Ability to prioritise multiple tasks.
- Professional and trustworthy when handling confidential information.
Desirable
- HR administration experience.
- Experience using BreatheHR or similar HR software.
- Experience supporting ISO27001 or compliance documentation.
- Experience within a technology or SaaS business.
Why Join Tekton?
At Tekton, we believe great businesses are built by great people.
We're a caring, passionate, and ambitious team that genuinely enjoys working together. We work hard, support one another, and celebrate success together.
You'll become part of a friendly team where your contribution is recognised and where you'll have the opportunity to take ownership of your work and make a real difference to the business.
Our benefits include:
- Company pension.
- Ongoing learning and development.
- Quarterly company socials.
- Bright Exchange employee discounts.
- Wisdom Wellbeing Employee Assistance Programme.
- Genuine opportunities to develop your career as Tekton continues to grow.
Working Pattern
This is a hybrid role based from our Caterham office. You'll typically work three to four days each week from the office and the others at home.
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