Onecom
Complaints Advisor (Customer Service)

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Salary: Up to £27,000 per year + Bonus
Contract: Permanent, full time
Location: Whitely, Hampshire (Office Based)
Team: Operations
Why Join Us?
Onecom is the UK's leading business technology provider, shaping the way we work, connect, communicate and operate.
You will join a multi-award-winning company, with over 800 talented people committed to delivering great customer experiences driven by the Onecom Way; Think Kaizen, Be Respectful, Build Relationships, Make it Happen, Work Smart, Be Amazing.
About the role
As our Complaints Advisor, you'll manage customer complaints from initial contact through to final resolution, ensuring every customer receives a professional, fair and timely outcome.
This is a fantastic opportunity for someone who enjoys problem-solving, influencing stakeholders, and driving improvements that genuinely enhance the customer experience.
What you'll be doing
- Investigate complex customer complaints across multiple business areas
- Liaise with customers, internal stakeholders and external partners to gather information and resolve issues
- Own cases through to resolution or deadlock
- Calculate redress and compensation where appropriate
- Work closely with senior stakeholders to support fair and consistent decision-making
- Identify complaint trends and recommend improvements to reduce future issues
- Liaise with external regulatory and dispute resolution bodies including CISAS and Ofcom when required
- Champion a customer-first culture and support continuous improvement initiatives across the business
Reasons to use Rodeo
I’m in my final year doing Economics and I don’t know whether to apply for grad schemes now or do a masters first. What do you think?
Honest answer — it depends on where you want to end up. A lot of top grad schemes (Big 4, civil service, banking) don’t need a masters. Let’s look at the ones you’d be competitive for now, and we can decide if a masters actually adds anything.
Also worth knowing: most autumn 2026 applications are open now. Timing matters more than you think.
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Why you're a good match
StrongYour economics background and your summer at a regional bank line up with what PwC looks for on the consulting scheme. Applications close in four weeks.
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Why you're a good match
You’ve got the grades and the economics background, and your bank internship is exactly the experience this scheme looks for. Apply soon — deadlines close within the month.
Experience fit
Your summer at the bank plus your econometrics coursework map directly to the day-one responsibilities on this scheme — client modelling, market briefings, and deal support.
Only hits
No noise. No "maybe this fits." Just roles with a clear explanation of why they're right — and where to focus when applying.
What we're looking for
We're interested in people who are naturally curious, resilient and passionate about delivering great customer outcomes.
You'll likely have:
- Experience in a phone-based customer service-orientated role
- Strong investigation, problem-solving, and decision-making skills
- Excellent written and verbal communication skills
- The ability to influence stakeholders at all levels
- Strong organisational skills and attention to detail
- A proactive approach to identifying improvements and preventing complaint reoccurrence
- Confidence working under pressure and managing multiple priorities
Our dream candidate will also have:


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- Experience handling complaints or escalations within a customer-focused environment
- Experience within a regulated environment
Perks for our people
- 🌟 Holidays: 25 days + bank holidays and buy/sell options
- 🌟 Other Leave: Birthday day off, 12 paid hours for flexible use, Volunteer day
- 🌟 Lifestyle: 9% combined pension contribution and 4x salary life assurance
- 🌟 Rewards: Quarterly and annual employee awards, discounts on tech
- 🌟 Socials: All-expenses-paid company events
- 🌟 Development: In-House Training Academy
- 🌟 Wellbeing: 24/7 access to mental health support, Calm App, discounted gym membership, free breakfast & fresh fruit, eye-care vouchers, financial wellbeing support
Everyone belongs at Onecom
We believe that diverse teams bring a range of experiences and better ideas that fuel innovation. That’s why we’re committed to creating an environment where everyone feels valued, respected, and able to bring their authentic selves to work. We welcome applications from people of all backgrounds, experiences, identities, and perspectives.
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