Migrate to Odoo
Leave your legacy system without leaving your history behind
Moving off an old ERP or accounting package is rarely about software. It is about years of records, half-remembered workarounds and a cut-over weekend nobody wants to own. We cleanse, map and rehearse your migration to Odoo until go-live is a formality.
- Official Odoo Partner
- ISO 27001 certified
- Trial migrations before cut-over
Migration risks
What is keeping you on the old system?
Tap the concerns that apply. Most migrations stall for the same handful of reasons, and every one of them can be planned for.
Our current system is no longer supported
Root cause: The vendor has moved on to a new product or version, and the people who customised your copy have long since left.
Cost if ignored: Every fault becomes an emergency, and security updates quietly stop arriving.
We have the same customer saved five different ways
Root cause: Years of manual entry without validation rules created duplicates, abbreviations and missing fields nobody has had time to tidy.
Cost if ignored: Moving dirty data simply rebuilds the old problems inside a new system.
We are afraid of losing years of history
Root cause: Nobody has decided which history the business actually needs in the new system and which can stay in an archive.
Cost if ignored: Fear of losing data delays the move, while the old system keeps getting riskier.
Our data is spread across the ERP and spreadsheets
Root cause: Critical details such as price agreements or stock locations were kept outside the system because it could not hold them.
Cost if ignored: Those records get missed at cut-over and teams discover the gaps on day one.
Nobody knows what half the custom fields mean
Root cause: Fields were added over many years for reports or processes that no longer exist, with no documentation left behind.
Cost if ignored: Time is wasted migrating data nobody uses, and useful fields get dropped.
We cannot afford days of downtime at cut-over
Root cause: Migrations planned as a single untested event leave no rehearsal time to measure how long each load really takes.
Cost if ignored: Orders, invoices and shipments stop, and customers notice before you do.
Tick the ones that apply
None of these is unusual. Each one is a planning task, and we will show you the order to tackle them in.
How we migrate
Rehearse the move until cut-over is routine
Within our SCALE method, migration runs as its own workstream with signed-off checkpoints. Your data is profiled, cleansed and loaded into a test database several times before anything touches the live system.
01Profile the data
Find out what you really have.
What we do
We extract data from your current system and spreadsheets, then measure it: record counts, duplicates, blanks and inconsistencies. You see the real state of your data before anyone commits to a cut-over date.
You receive
- Data quality report by object
- Inventory of every source system
- Agreed list of what migrates
“How many years of transactions does the business genuinely need to see in Odoo?”
02Cleanse and map
Decide where every field belongs.
What we do
Your team and ours agree the rules: which duplicates merge, which fields map to which Odoo fields, which records retire. We keep the original system references so every migrated record can be traced back to its source.
You receive
- Field mapping document
- Cleansing rules signed off by owners
- Archive plan for retired data
“Who has the authority to decide which version of a customer is the right one?”
03Trial migrations
Load, check and repeat.
What we do
We run full trial loads into an Odoo test database, timing each one. Your key users check records in context, such as opening an order or ageing a debtor, and we refine the scripts after every round.
You receive
- At least two timed trial migrations
- Reconciliation reports per round
- Issue log with resolutions
“Which report would your finance director check first to trust the new system?”
04Reconcile and sign off
Prove the numbers match.
What we do
Balances, stock values, open orders and aged debt are reconciled between the old system and Odoo. Finance and operations sign off the figures formally, so go-live is a business decision rather than a leap of faith.
You receive
- Signed reconciliation pack
- Go or no-go checklist
“What difference, however small, would stop you going live?”
05Planned cut-over
Switch over on a planned timetable.
What we do
We follow the rehearsed cut-over plan hour by hour, freeze the old system, load final balances and open Odoo for business. The legacy system stays read-only for reference until you are comfortable to retire it.
You receive
- Hour-by-hour cut-over runbook
- Post-load validation checks
- Read-only access plan for legacy data
“When is the quietest window in your trading calendar?”
After the move
From fragile records to data you can rely on
Records
The same customer stored under several names
One clean record per customer, supplier and product
History
Old transactions locked in an unsupported system
The history you need in Odoo, the rest archived and findable
Cut-over
A single untested weekend that everyone dreads
A rehearsed runbook with timings proven in trials
Trust
Finance double-checks every figure after the move
Opening balances reconciled and signed off before go-live
Support
Fixes depend on a contractor who has moved on
A supported platform with a clear upgrade path
Migration scope
What our Odoo migration service covers
Every migration is shaped by its source systems. These are the elements we plan for on every project, whatever you are moving from.
Source system extraction
Data taken from accounting packages, older ERPs, CRMs and spreadsheets, using exports, reports or database access depending on what the source allows.
Data profiling and cleansing
Duplicates, blanks and inconsistent values found and fixed against rules your data owners agree, so only clean records reach Odoo.
Field mapping
Every source field matched to its Odoo equivalent, with original system references kept so migrated records can always be traced back.
Opening balances
Trial balance, open receivables and payables, and stock valuation brought across and reconciled so finance starts in Odoo on solid ground.
Historical data strategy
A clear decision on which history moves into Odoo and which is archived, keeping the new system fast and the old records findable.
Cut-over planning
A timed runbook built from trial migrations, covering system freeze, final loads, validation checks and the moment Odoo opens for business.
Hosting fit finder
Find your best-fit Odoo hosting model in 60 seconds.
Answer six quick questions. We will score each hosting model against your answers and explain why, just as we would in a consultation.
- Six questions, no email needed
- Explains the reasoning behind every result
- Based on Odoo’s official hosting rules
Our recommendation
This tool gives guidance only. Your final choice should follow a proper review of your requirements.
Honest fit
Is an Odoo migration right for you now?
This is right for you if
- Your current ERP or accounting package is unsupported or ageing
- You have already chosen Odoo, or are seriously evaluating it
- You want history and balances carried over, not re-keyed
- Data owners can spare time to make cleansing decisions
It is probably not right if
- You are moving between Odoo versions: our Odoo upgrades service is the better fit
- You only need a one-off contact list imported: Odoo's standard import tool may be enough
- You have not yet chosen a new system: start with a discovery workshop before planning a migration
Why Thoughtlogik
Why trust Thoughtlogik with your data
ISO 27001 certified
Your customer, supplier and financial data is handled under our ISO 27001 certified information security management system throughout extraction, transformation and loading.
Rehearsal, not guesswork
We never treat go-live as the first real load. Timed trial migrations show exactly how long cut-over takes and what still needs fixing.
Finance-grade reconciliation
Balances, stock values and aged debt are reconciled line by line, and signed off by your own finance team before Odoo goes live.
Odoo specialists end to end
As an Official Odoo Partner we know how Odoo structures its data, so mappings respect how accounting, stock and sales link together.
- Official Odoo Partner
- ISO 27001 certified
- ISO 9001:2015
- Cyber Essentials
- UK-led delivery
Talk through your migration risks
Tell us what you are moving from and what worries you most. We will outline a migration approach and the checks we would put in place.
Related services
Often combined with migration.
Try Odoo free
Start your free Odoo trial
Explore Odoo's apps in your own trial database. When you are ready, we will help you configure it for how your business really works.
FAQs
Questions buyers ask us
Which systems can you migrate from?
Most projects come from accounting packages such as Sage, QuickBooks or Xero, older ERPs, CRMs and spreadsheets. If a system can export its data, through reports, files or direct database access, we can usually migrate it. We confirm feasibility during profiling, before you commit to a cut-over date.
How much history should we bring across?
Usually less than you think. Master data, open transactions and opening balances are essential. Full transaction history is useful for some teams and slows others down. Many businesses bring two or three years plus balances, and keep older records in a read-only archive. We help you decide based on reporting and compliance needs.
How does data actually get into Odoo?
Odoo can import Excel and CSV files into any business object, with a test step before anything is written. For larger or more complex migrations we use scripted loads. Imports into Odoo are permanent, which is exactly why we rehearse every load in a test database first.
How long will the system be down at cut-over?
That depends on data volumes and how many objects move, which is why we time every trial migration. Many cut-overs are planned over a weekend or a quiet trading period. You will know the expected timings, and the rollback plan, well before the date is set.
Can we keep using the old system after go-live?
We recommend keeping it read-only for an agreed period, so teams can look up older records without anyone posting new transactions into it. Once you are confident everything needed is in Odoo or archived, the legacy system can be retired and its licence cost removed.
Is migration part of an implementation or separate?
Either. Most migrations run as a workstream inside a full Odoo implementation. If you already have Odoo configured and simply need data brought across from another system, we can run the migration as a standalone project with the same profiling, trials and sign-offs.
Start your project
Ready to move to Odoo?
Tell us about your business and goals. A certified consultant will get back to you within one working day with practical next steps.
- Free, no-obligation consultation
- UK-based Zoho and Odoo partner
- Clear plan, milestones and pricing