Odoo migration and upgrades

Odoo migration UK: move forward without losing your history.

Whether you are upgrading an older Odoo version, moving from Community to Enterprise or leaving Sage, Xero, QuickBooks or SAP Business One, we profile, map and rehearse the move until go-live is a formality.

  • Official Odoo Partner
  • Trial migrations before cut-over
  • ISO 27001 certified
  • UK team in Northampton
Odoo
Data migration · Trial 3Illustrative data
Trial run3 of 3
Records loaded11,328
Exceptions14
Customers
3,240 / 3,240
Suppliers
860 / 860
Products
5,120 / 5,120
Open invoices
1,218 / 1,486
Open sales orders
165 / 412
✓Trial balance reconciled to source
â—·Cut-over rehearsed: 9h 40m
Version upgradeOdoo 17 to Odoo 19 · test copy
Live
Standard appsConverted
Custom modules6 of 8 ported
StatusUAT in progress
AnalysePortTestGo live

Accredited partner · Certified team · Audited security

  • Odoo Partner
  • Odoo Certified
  • ISO 27001 certified
  • ISO 9001:2015 certified
  • Cyber Essentials certified
See all partnerships and certifications →

In one sentence

What does Odoo migration mean?

Odoo migration covers two kinds of project. An upgrade moves an existing Odoo database to a newer version, from Community to Enterprise, or to different hosting. A migration to Odoo moves your data from another system, such as Sage, Xero, QuickBooks or SAP Business One, into a new Odoo database.

01Version upgrades
Odoo’s upgrade service converts standard apps and data. Custom modules must be ported by a developer.
02Moves to Odoo
There are no official one-click importers, so data is mapped and loaded through Odoo’s import framework.
03Why now
Odoo 17 standard support ended in September 2026. Odoo 18 follows in September 2027.
04Typical timeline
A few weeks for a standard upgrade, longer with many custom modules or several source systems.

Why it matters

Old versions and messy data get more expensive every year.

Unsupported software stops receiving fixes, and every year of workarounds adds data that someone has to untangle later.

3 yrs

of standard support for each major Odoo version, then paid extended support

Odoo support policy, 2026 →
Sept 2026

Odoo 17 standard support ended. Odoo 18 follows in September 2027

Odoo support policy, 2026 →
9 months

median ERP project timeline across all vendors (170 respondents)

Panorama ERP Report, 2026 →
$12.9M

average yearly cost of poor data quality to organisations, which is why we cleanse before we load

Gartner, 2020 →

Panorama and Gartner figures cover ERP and data projects generally, not Odoo specifically.

Migration risks

What is keeping you on the old system?

Most migrations stall for the same handful of reasons. Every one of them can be planned for.

None of these is unusual. Each one is a planning task, and we show you the order to tackle them in.

01

Our version is out of support

The vendor or Odoo has moved on, and the people who customised your system have left.

→ Fix: a planned upgrade to a supported version, tested on a copy first.

02

Custom modules nobody understands

Code was written for older versions, with little documentation and no current owner.

→ Fix: a code review, then modules ported, retired or replaced by standard features.

03

The same customer saved five ways

Years of manual entry created duplicates, abbreviations and missing fields.

→ Fix: profiling and cleansing against rules your data owners agree.

04

We are afraid of losing history

Nobody has decided which history the business needs in the new system.

→ Fix: a history strategy, with the rest archived and still findable.

05

Data lives outside the system

Price agreements and stock locations sit in spreadsheets the old system could not hold.

→ Fix: every source inventoried, mapped and loaded with the core data.

06

We cannot afford days of downtime

A single untested cut-over leaves no time to learn how long loads really take.

→ Fix: timed trial migrations and a rehearsed cut-over runbook.

Odoo version support

Where does your Odoo version stand?

Odoo gives each major version three years of standard support, covering bug fixes and security updates. After that, extended support is available for an extra fee.

Odoo standard support windows

From release to end of standard support. We are writing in October 2026.

Odoo 17Standard support ended
Nov 2023 to Sept 2026
Odoo 18Plan your upgrade now
Oct 2024 to Sept 2027
Odoo 19Supported
Sept 2025 to Sept 2028
Odoo 20Latest release, end date expected
Sept 2026 to about Sept 2029

20232024202520262027202820292030

Source: Odoo support policy, checked October 2026. The Odoo 20 end date is inferred from the three-year policy.

On Odoo 16 or earlier? Standard support has already ended. Odoo’s policy states that upgrades are possible from any version, and versions can be skipped, but the bigger the jump, the more custom code and data needs checking. Our Odoo upgrades page goes deeper on version upgrades.

After the move

From fragile records to data you can rely on.

See where your data lives today, then flip to see it after a rehearsed migration.

TodayYour data today

Old systemUnsupported version with fragile customisations
SpreadsheetsPrice agreements and stock locations kept outside
DuplicatesThe same customer under several names
Custom fieldsNobody knows what half of them mean
ArchiveHistory locked in a system nobody can query
Cut-over planA single untested weekend everyone dreads

Moving dirty data simply rebuilds the old problems inside a new system.

After migrationClean data, landed in the right Odoo apps

ContactsCustomers, suppliers
SalesOpen orders
PurchaseOpen POs
InventoryProducts, stock
AccountingBalances, open items
DocumentsArchive links
One clean recordPer customer, supplier and product, with source references kept.
Reconciled balancesOpening balances and stock values signed off before go-live.
A rehearsed runbookCut-over timings proven in trial migrations.

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. Data is profiled, cleansed and loaded into a test database several times before anything touches the live system.

Scope

Find out what you really have

CRMInventoryAccounting

We extract data from your current system and spreadsheets, then measure it: record counts, duplicates, blanks and inconsistencies. For upgrades, we review every custom and third-party module. You see the real picture before anyone commits to a date.

  • Data quality report by object
  • Inventory of every source system
  • Custom and third-party module register
  • Agreed list of what migrates
  • History and archive decision

No surprises later about the state of your data or code.

Data quality reportIllustrative data
Customers
3,412 records · 172 duplicates
Cleanse
Suppliers
860 records · 41 missing VAT numbers
Cleanse
Products
5,120 records · units checked
Ready
Open invoices
1,486 records · aged debt matches
Ready
Custom fields
38 found · 12 still used
Decide

Craft

Decide where every field belongs

CRMSalesAccounting

Every source field is matched to its Odoo equivalent, and original references are kept as external IDs so migrated records can always be traced back. Your data owners agree the cleansing rules; we apply them consistently.

  • Field-by-field mapping document
  • External IDs back to the source system
  • Duplicate merge rules agreed
  • Chart of accounts and tax mapping
  • Import templates per object

A mapping your team understands and signs off.

Field mapping · Customer recordIllustrative data
SOURCE · CUSTOMER
Account: TRADE0412
Name: Trade Customer Ltd
Terms: 30 days EOM
VAT reg: GB 123 4567 89
Credit limit: 15,000
Odoo modelContact
External IDsrc_TRADE0412
Payment terms30 days end of month
VAT numberGB123456789
Credit limit£15,000
MappedValidatedDuplicate check

Version upgrades

Upgrade a copy, port the custom code

Studio

For Odoo upgrades, we request an upgraded test database from Odoo’s upgrade service, which handles standard apps and Studio changes. Our developers port custom modules to the target version and replace third-party apps where needed.

  • Upgraded test database from Odoo
  • Custom modules ported to the target version
  • Studio customisations checked
  • Third-party apps updated or replaced
  • Integrations retested end to end

An upgraded copy your users can test before the live switch.

Upgrade plan · Odoo 17 to 19Illustrative data
Mon
Tue
Wed
Thu
Fri
Upgrade request
Test copy requested
Custom modules
Port 8 modules
Studio changes
Checked
Integrations
Retest connectors
User testing
UAT on upgraded copy

Assemble

Load, check and repeat

InventoryAccounting

We load the data into a test database, check it with your team, fix what is wrong and load again. Each trial is timed, so the real cut-over window is known long before go-live.

  • At least two full trial loads
  • Timed load runbook
  • Exceptions log with owners
  • User checks on real records
  • Fixes applied at source or in rules

Go-live is a repeat of something that has already worked.

Trial migration logTrial 3 of 3
Load time9h 40m · inside the window
On plan
Exceptions14 records to fix
Owner: finance
ReconciliationTrial balance matches
Signed off

Launch

Prove the numbers, then switch

AccountingInventory

Balances, stock values and aged debt are reconciled line by line and signed off by your finance team. Then we follow the rehearsed runbook: freeze, final load, validation checks, and Odoo opens for business.

  • Trial balance reconciled
  • Aged debtors and creditors matched
  • Stock quantities and values matched
  • Go or no-go checkpoint
  • Hypercare after go-live

A planned switch, not a leap of faith.

Cut-over reconciliationIllustrative data
Aged debt£412,180
Variance£0.00
Stock value£1.21m
Open POs96
Exceptions by object trial 1 to trial 3
Contacts
Products
Invoices
Bills
Orders
Stock
Still openFixed since trial 1

Screens show illustrative data. The exact steps depend on whether you are upgrading Odoo or moving to it from another system.

Migration scope

What our Odoo migration service covers

Every migration is shaped by its starting point. These are the elements we plan for, whatever you are moving from.

Extraction

Source system extraction

Data from accounting packages, older ERPs, CRMs and spreadsheets, via exports, reports or database access.

Quality

Profiling and cleansing

Duplicates, blanks and inconsistent values fixed against rules your data owners agree.

Mapping

Mapping and external IDs

Every source field matched to Odoo, with original references kept so records trace back.

Finance

Opening balances

Trial balance, open receivables and payables, and stock valuation reconciled and signed off.

History

Historical data strategy

A clear decision on which history moves and which is archived but findable.

Upgrades

Version upgrades

Odoo’s upgrade service for standard apps, plus porting of custom and third-party modules.

Edition

Community to Enterprise

A planned technical move, since edition switches sit outside Odoo’s standard upgrade service.

Hosting

Hosting moves

Moves between on-premise, Odoo.sh and Odoo Online, checked against what each option supports.

Only moving between Odoo versions? Our Odoo upgrades page covers version upgrades in more depth.

Discuss your migration

Odoo licence pricing

Which Odoo plan will you land on?

Moving to Odoo, or from Community to Enterprise, means choosing a plan. Your hosting and custom code decide which one fits. UK list prices, billed yearly, excluding VAT.

One App Free

£0/month

One app, unlimited users

  • A single app on Odoo Online
  • Unlimited users
  • No custom modules

Fits a first, single-app step

All apps

Standard

£18/user/month

First 12 months, then £22

  • All Odoo apps
  • Odoo Online only
  • No custom Python modules, Studio or external API

Fits standard processes with no custom code

Custom

£32/user/month

First 12 months, then £41

  • Everything in Standard
  • Studio, multi-company and external API
  • Odoo.sh or on-premise for custom modules
  • Odoo.sh hosting charged extra

Fits migrations that keep custom code

All plans include Odoo’s unlimited functional support, maintenance and upgrades of standard features. Maintenance of custom code is not included in any plan. Prices checked on odoo.com/pricing in October 2026, per user per month billed yearly, ex VAT. Always check the vendor page before you buy. Migration work is quoted separately. See our Odoo hosting options guide.

Migration estimator

How long will your Odoo migration take?

Answer four questions for an indicative timeline. We confirm the real plan after profiling your data and code.

What kind of move?
Custom or third-party modules?
How much data and history?
How many source systems?
Indicative timeline…

Profile and map
Port and build
Trial migrations
Reconcile and cut over
Get a migration plan

Indicative ranges only. Moves to Odoo usually run inside a wider implementation; see our research on where businesses migrate to Odoo from.

Quick check

Is it time to make the move?

Tick the statements that are true for your business today.

0/6

Why Thoughtlogik

Why trust Thoughtlogik with your data?

We are a Northampton-based Official Odoo Partner with a delivery team in Coimbatore, India. Our consultants run workshops about your processes, not software jargon, and we stay with you after go-live.

2021Founded in Northampton, UK
35Consultants, developers and testers
200+Customers across the UK and beyond
â—ˆ

ISO 27001 certified

Customer, supplier and financial data is handled under our certified information security management system.

↻

Rehearsal, not guesswork

We never treat go-live as the first real load. Timed trial migrations show exactly what cut-over involves.

£

Finance-grade reconciliation

Balances, stock values and aged debt are reconciled and signed off by your finance team before go-live.

✚

Odoo developers in-house

Our developers publish Odoo apps and port custom modules properly, then keep them healthy through Thoughtlogik Shield for Odoo.

How we deliver

SCALE: five phases, clear deliverables.

S

Scope

Define success and lock the scope

  • Success criteria and KPIs
  • Approved requirements and process maps
C

Craft

Design the right solution first

  • Solution design blueprint
  • Integration and data migration plan
A

Assemble

Configure, integrate and test

  • A configured, working system
  • Tested automations and integrations
L

Launch

Train, go live and stabilise

  • Trained, confident users
  • Go-live with hypercare
E

Evolve

Optimise and keep improving

  • Continuous improvement roadmap
  • Regular health checks

What changes

From fragile records to a supported, trusted system.

The same customer under several names✓

One clean record per customer, supplier and product

History locked in an old system✓

The history you need in Odoo, the rest archived

An untested cut-over weekend✓

A rehearsed runbook with proven timings

Finance checking every figure✓

Opening balances reconciled and signed off

Custom code nobody owns✓

Modules ported, documented and upgrade-ready

An out-of-support version✓

A supported Odoo version with a clear upgrade path

Typical starting points

Older Odoo versionsOdoo CommunitySage 50Sage 200XeroQuickBooksSAP Business OneNetSuiteSpreadsheets

FAQs

Odoo migration UK questions

Cannot see your question? Our UK consultants are happy to talk it through.

What does Odoo’s upgrade service cover?

Odoo’s upgrade service converts the standard apps and data in your database to the target version, including Studio customisations while Studio is active. It does not cover custom modules, code added to standard modules, third-party apps, edition or hosting switches, or migration from another ERP. Those need a partner to port, test and support.

Can we skip Odoo versions when upgrading?

Yes. Odoo’s support policy states that upgrades are possible from any version, and its documentation shows jumps that skip a version. Bigger jumps mean more change to test, especially in custom modules and integrations, so we always upgrade a copy first and run user acceptance testing before the live upgrade.

When does support end for our Odoo version?

Each major version gets three years of standard support. Odoo 17 standard support ended in September 2026, Odoo 18 ends in September 2027 and Odoo 19 in September 2028. Extended support is available afterwards for an extra fee. Clients on Thoughtlogik Shield for Odoo have these dates tracked for them.

Is there a one-click migration from Sage, Xero or QuickBooks?

No. Odoo does not publish official one-click importers for Sage, Xero, QuickBooks, SAP Business One or NetSuite. Data is extracted, cleansed, mapped and loaded through Odoo’s import framework, and some third-party connectors exist on the Odoo App Store. That is why profiling and trial migrations matter so much.

How much history should we bring across?

Usually less than you think. Most businesses migrate master data, open transactions and opening balances, plus a period of summarised history, while the full detail stays archived and searchable. We agree this with your finance and operations leads during profiling, because it drives both effort and cut-over time.

How long will the system be down at cut-over?

We time every load during trial migrations, so the cut-over window is known in advance and is usually planned over a weekend or a period end. For upgrades, the test copy runs alongside your live system, so downtime is limited to the final switch.

Can we move from Odoo Community to Enterprise?

Yes. Enterprise adds Odoo’s functional support, the upgrade service and Enterprise apps such as bank feeds and Barcode. Edition switches sit outside Odoo’s standard upgrade service, so we plan the move as a technical migration, check the community modules you rely on and test everything before switching.

Is migration part of an implementation or separate?

Both are possible. When you move to Odoo from another system, migration runs as its own workstream inside the Odoo implementation. Version upgrades and hosting moves are usually standalone projects. Either way, you get a data quality report, trial migrations and a reconciled cut-over.

Start your project

Ready to plan your move?

Tell us what you are moving from and what worries you most. An Odoo consultant will come back within one working day with a suggested approach and the checks we would put in place.

  • Free, no-obligation consultation
  • Official Odoo Partner, ISO 27001 certified
  • Clear migration plan before any work starts

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