Professional Energy Services Ltd
Experienced Bookkeeper
20 days ago
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Important information
Contract type:
Permanent, Temporary, Part time
Location:
Milton Keynes, UK
Work mode:
Hybrid
Published on:
6 October 2026
What they need
Professional Energy Services (PES) is a successful and growing independent energy consultancy based in Central Milton Keynes. We are looking for an experienced and highly organised Bookkeeper to take responsibility for the day-to-day bookkeeping of our business.
This is an important role within our finance function, and we are looking for someone who is confident working independently, understands accounts properly and takes pride in keeping everything accurate and up to date.
The role
Working closely with our Finance Manager and Directors, your responsibilities will include:
- Maintaining accurate financial records in Xero
- Bank and credit card reconciliations
- Processing and correctly coding purchase invoices and expenses
- Raising sales invoices
- Maintaining purchase and sales ledgers
- Monitoring aged debtors and assisting with credit control
- Preparing supplier payments
- VAT preparation
- Accruals, prepayments and journals
- Balance sheet reconciliations
- Supporting month-end processes
- Maintaining accurate records for Director expenses and transactions
- Liaising with our external accountants when required
- Investigating discrepancies and resolving issues proactively
- Helping improve financial processes and controls as the business grows
About you
We are looking for someone with strong practical bookkeeping experience who can take ownership of their work rather than simply process transactions.
You should have:
- Previous bookkeeping or accounts experience
- Strong working knowledge of Xero
- Good understanding of VAT and UK bookkeeping
- Experience completing bank and credit card reconciliations
- Excellent attention to detail
- Good Excel skills
- Confidence investigating discrepancies
- The ability to manage deadlines and your own workload
- A proactive and organised approach
- Good communication skills
AAT qualifications would be advantageous but are not essential. Strong practical experience is more important to us.
About PES
PES is a privately owned, independent energy consultancy established in 1992. We provide energy procurement, trading and risk management, invoice validation, metering, reporting and sustainability services to businesses across the UK and internationally.
We are a profitable and growing company with a friendly, close-knit team. We value people who take responsibility for their work, communicate openly and look for ways to improve how things are done.
What we offer
- £26,000–£30,000 per annum, depending on experience
- Permanent, full-time position
- Hybrid working
- Central Milton Keynes office
- Friendly and supportive working environment
- A stable role within a successful and growing independent business
- The opportunity to take real ownership of your area
Please apply with your CV and details of your bookkeeping experience, particularly your experience using Xero.
Pay: £26,000.00-£30,000.00 per year
Benefits:
- Additional leave
- Casual dress
- Company events
- Company pension
- Free fitness classes
- Gym membership
- On-site gym
- On-site parking
- Sick pay
Work Location: In person
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