Bug Fixing · Derby
Bug Fixing in Derby
Fixing defects in software we did not build, for Derby businesses whose developer has moved on or whose agency has stopped replying. We reproduce the fault, find the actual cause rather than the symptom, and fix it without disturbing the parts that currently work.
Why this comes up
The problem
A business left with software nobody supports faces a bad choice: live with the fault, or pay for a rebuild they do not need. Most defects are small once someone competent looks at them.
What you get
What we deliver
- Reproduction of the fault before any code is touched, so the fix is verifiable
- Root cause identified and stated plainly, separate from the visible symptom
- A targeted fix, with the blast radius kept as small as the problem allows
- A regression test where the defect is one that could plausibly return
- A note on anything else concerning found along the way, priced separately not sneaked in
- Deployment to your environment, or a change your own team can apply
Want this scoped for your business in Derby?
Thirty minutes, no charge, no sales script. You leave with a written summary of what bug fixing would actually involve — whether or not you use us.
Working in Derby
East Midlands
Derby is an engineering city — aerospace, rail and automotive supply chains — so the work here skews toward integration with existing plant systems, quality and compliance workflows, and reporting that has to stand up to audit.
Most work here involves connecting shop-floor and plant systems to reporting the rest of the business can actually read, plus quality and compliance workflows that have to survive an audit.
Sectors we work with in Derby
- Advanced Manufacturing
- Aerospace
- Rail Engineering
- Automotive
- Logistics
What we work with
Technologies and platforms
- TypeScript
- PHP
- Python
- .NET
- WordPress
- PostgreSQL
Who we work with
Industries we serve
- Ecommerce
- Professional services
- Charities
- Retail
- Manufacturing
Why us
Why Derby businesses choose Asionis
- Projects typically launched within 4–8 weeks
- No long-term contracts required
- All team members UK-based
- Dedicated account manager and development team
- Transparent reporting with monthly performance metrics
- Scalable from startup to enterprise
How we work
- Step 1
Free consultation
A 30-minute call to understand the problem. You keep the written summary either way.
- Step 2
Proposal
Scope, timeline and a fixed price, in writing, before anything starts.
- Step 3
Build
Short cycles with regular check-ins, so you see progress rather than hear about it.
- Step 4
Launch and support
We handle the go-live and stay available afterwards.
Other services in Derby
Looking for the full picture? See our Bug Fixing services, everything we do in Derby or browse everything we do.
Bug Fixing in Derby — common questions
- We have no documentation and no original developer. Is that a problem?
- It is the normal starting position for this work. What we need is access to the code, the environment and someone who can describe the correct behaviour. Where the code is genuinely unmaintainable we will say so early rather than billing hours against a lost cause.
- How is it priced when nobody knows the cause yet?
- A capped investigation first, so you are not signing an open-ended commitment. That produces a diagnosis and a fixed quote for the fix, and you can take both elsewhere if you would rather.
- Will fixing one thing break another?
- It is the real risk in unfamiliar code, which is why fixes are kept narrow and tested before deployment. Where a defect turns out to be structural, we will tell you that a proper repair is larger than a patch rather than papering over it.
- Can you fix something urgently?
- Where a fault is stopping trade, yes — that is emergency work and it is scoped and priced as such on the first call rather than afterwards.
- Do you work with businesses across Derbyshire?
- Yes. We are based in Leicester, United Kingdom and work with clients throughout East Midlands, including Derby and the surrounding Derbyshire area. Most collaboration happens remotely, and we travel for kick-offs and key milestones.
- What kind of Derby businesses do you usually work with?
- Most work here involves connecting shop-floor and plant systems to reporting the rest of the business can actually read, plus quality and compliance workflows that have to survive an audit. Beyond that we work across Advanced Manufacturing, Aerospace, Rail Engineering, Automotive and Logistics.
- Do you cover the areas around Derby?
- Yes — we work throughout East Midlands, including Nottingham, Leicester, Loughborough, Birmingham. Derby is an urban area of roughly 260,000+, and we take on work across the wider Derbyshire region rather than the city boundary alone.
Talk to us about Bug Fixing in Derby
A 30-minute call with someone who would actually work on it. No sales script, no obligation.
- Projects typically launched within 4–8 weeks
- No long-term contracts required
- All team members UK-based
- Dedicated account manager and development team
- Transparent reporting with monthly performance metrics
- Scalable from startup to enterprise