Database Migration · Portsmouth
Database Migration in Portsmouth
Moving a Portsmouth business's data from one platform to another — off an end-of-life server, out of Access or a spreadsheet, between cloud providers, or from one engine to another. Rehearsed on real volumes first, so the live run is a repeat of something that already worked rather than an experiment.
Why this comes up
The problem
Migrations fail on the data nobody looked at: duplicates, blank required fields, dates in three formats, encodings that break on the one record containing an accented name. None of it appears in a sample.
What you get
What we deliver
- A profile of the source data, including the quality problems nobody knew were there
- Field-by-field mapping agreed with you before anything moves
- Rehearsal runs on full production volumes, timed so the real window is known not guessed
- Reconciliation counts and checksums proving what arrived matches what left
- A cutover plan with a rollback that stays available until you sign off
- The old system kept readable for an agreed period after the switch
Want this scoped for your business in Portsmouth?
Thirty minutes, no charge, no sales script. You leave with a written summary of what database migration would actually involve — whether or not you use us.
Working in Portsmouth
South East
Portsmouth is densely built on an island site with a naval dockyard and a commercial ferry port, so logistics businesses here work under physical constraints that inland operators do not face.
Port, ferry and defence logistics systems, plus visitor operations for the waterfront attractions.
Sectors we work with in Portsmouth
- Marine & Defence
- Ports & Ferries
- Higher Education
- Retail
- Tourism
What we work with
Technologies and platforms
- PostgreSQL
- SQL Server
- MySQL
- Azure Database Migration Service
- AWS DMS
Who we work with
Industries we serve
- Financial services
- Healthcare
- Manufacturing
- Logistics
- Public sector suppliers
Why us
Why Portsmouth 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 Portsmouth
Looking for the full picture? See our Database Migration services, everything we do in Portsmouth or browse everything we do.
Database Migration in Portsmouth — common questions
- How long will we be offline?
- The rehearsal tells you, which is the main reason to do one. Small datasets can move inside a maintenance window; large ones usually need a replication approach that keeps both systems in step until the final switch takes seconds.
- What happens to bad data?
- It gets found in the profiling stage and you decide: clean it, migrate it as-is, or exclude it with a record of what was left. What we will not do is silently drop rows that fail validation, which is how a migration finishes on time and loses six years of history.
- Can we go back if it goes wrong?
- Yes — the source stays intact and untouched until you have signed off. A migration without a rollback is a bet, and it is not one we ask clients to take.
- Our data is in spreadsheets. Can you still migrate it?
- Yes, and it is common. Spreadsheets carry more inconsistency than databases because nothing was ever enforced, so the profiling stage does more work — but the process is the same.
- Do you work with businesses across Hampshire?
- Yes. We are based in Leicester, United Kingdom and work with clients throughout South East, including Portsmouth and the surrounding Hampshire area. Most collaboration happens remotely, and we travel for kick-offs and key milestones.
- What kind of Portsmouth businesses do you usually work with?
- Port, ferry and defence logistics systems, plus visitor operations for the waterfront attractions. Beyond that we work across Marine & Defence, Ports & Ferries, Higher Education, Retail and Tourism.
- Do you cover the areas around Portsmouth?
- Yes — we work throughout South East, including Southampton, Chichester, Brighton. Portsmouth is an urban area of roughly 240,000+, and we take on work across the wider Hampshire region rather than the city boundary alone.
Talk to us about Database Migration in Portsmouth
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