Corporate Immigration Services: What They Do and Cost 2026

Corporate immigration services manage the end-to-end process of legally employing overseas workers in the UK — from applying for a sponsor licence through to ongoing compliance with Home Office duties. Professional fees for these services typically range from around £1,500 for a standalone sponsor licence application to several thousand pounds per year for a retainer covering a high-volume sponsor. Understanding exactly what you are paying for — and what you are not — is the first step to budgeting accurately and choosing the right level of support.

Who This Guide Is For

This article is written for employers: HR managers, business owners, finance directors, and operations leads who are considering engaging a corporate immigration firm, or who want to understand the market before deciding whether to manage the process in-house.

If you are a job seeker wondering whether to pay a third party for a visa, stop: you should not pay. No legitimate employer or immigration adviser charges a worker for a job offer or a visa application. The costs discussed in this guide are costs borne by employers.

What Corporate Immigration Services Actually Do

The term "corporate immigration services" describes a category of professional firms — law firms, OISC-regulated advisory practices, and specialist consultancies — that manage immigration compliance on behalf of employers. They are not recruiters. They do not find candidates. They manage the legal and administrative framework that allows you to employ the candidates you have already chosen.

Their work falls into three broad phases.

Phase 1: Sponsor Licence Applications

Before you can legally sponsor a non-UK worker on a Skilled Worker visa (or most other sponsored routes), your organisation must hold a valid sponsor licence issued by UK Visas and Immigration (UKVI), the operational arm of the Home Office. The application is made through the Sponsor Management System (SMS) online portal.

A corporate immigration service will:

• Assess whether your business meets the eligibility criteria (genuine vacancy, appropriate HR systems, no disqualifying history)
• Advise on which licence type you need (Worker licence, Temporary Worker licence, or both)
• Prepare the application and all supporting documentation — typically Companies House registration, HMRC evidence, evidence of a genuine trading business, and HR policy documents
• Identify and register the required Key Personnel (Authorising Officer, Key Contact, Level 1 and Level 2 Users)
• Submit the application and manage any Home Office requests for additional information
• Prepare your team for a pre-licence compliance visit if UKVI decides to conduct one

For a detailed look at the documents you will need to gather, see our Sponsor Licence Application Documents Checklist 2026. If you want to understand how long the process takes from submission to decision, the UK Sponsor Licence Application Timeline article covers that in detail.

Phase 2: Sponsoring Individual Workers

Once your licence is approved, every sponsored worker requires a Certificate of Sponsorship (CoS) — a unique reference number assigned through the SMS that confirms your intention to sponsor that individual. Assigning a CoS is not simply clicking a button. There are rules around salary thresholds (the Skilled Worker route has a general minimum salary threshold — verify the current figure at GOV.UK, as it has been subject to revision), role eligibility against the Standard Occupational Classification (SOC) code system, and ensuring the role is genuine and appropriately paid.

A corporate immigration firm will:

• Confirm the SOC code and check the role is eligible for sponsorship
• Verify that the salary meets both the general threshold and any going rate for that occupation
• Assign the CoS with accurate data (errors in CoS data can invalidate a worker's visa application)
• Advise the worker on the documents they need for their visa application to UKVI
• Liaise with UKVI if queries arise during processing

For a full explanation of the CoS process, see our Certificate of Sponsorship Explained for Employers 2026 guide.

Phase 3: Ongoing Compliance

Holding a sponsor licence is not a one-off event. UKVI expects sponsors to maintain detailed records and to report specific changes via the SMS within defined timeframes. Failure to do so can trigger a compliance visit, a reduction in licence rating (from A-rating to B-rating), or in serious cases, licence suspension or revocation.

Ongoing compliance services typically include:

• Reporting duties management: notifying UKVI of absences, salary changes, changes to a worker's role or location, or if a worker leaves your employment
• Right to work audits: ensuring your right to work check processes are lawful and that records are maintained correctly (a manual right to work check and a Home Office Online Check Service check are handled differently)
• Licence renewal: sponsor licences are subject to renewal; the process requires evidence that your HR systems remain compliant
• Internal training: keeping your Authorising Officer and Key Personnel up to date as the Immigration Rules change
• Compliance visit support: if UKVI contacts you to arrange a visit, your adviser can prepare your team and attend

For a comprehensive overview of what is required of you after your licence is granted, see Sponsor Licence Compliance Duties After Approval 2026.

How Corporate Immigration Services Charge

Understanding the fee structures in this market saves you from budget surprises and allows you to compare providers fairly.

Fixed Fee Per Application or Assignment

The most common model for smaller employers. You pay a set fee for a defined piece of work: the sponsor licence application, or each CoS assignment. The benefit is cost certainty. The risk is that "scope creep" — UKVI requesting additional information, or a more complex case than initially assessed — may generate additional charges if not agreed upfront.

Annual Retainer

Suitable for employers who sponsor five or more workers per year, or who want a firm to manage all compliance duties proactively. Retainers typically cover a specified number of CoS assignments, compliance monitoring, reporting support, and a defined number of advisory hours. Volume beyond the cap is charged additionally.

Hourly Rate

Some firms — particularly larger law firms — charge by the hour for advisory work, with application preparation quoted separately. This model suits one-off complex queries (such as an immigration audit before a business acquisition) but can be difficult to budget for ongoing work.

What Is Never Included

Government fees are always in addition to professional fees. These include:

• The sponsor licence application fee (tiered by employer size — check current rates at GOV.UK)
• The Immigration Skills Charge (ISC), payable each time you assign a CoS; currently set at a higher rate for medium and large sponsors and a reduced rate for small sponsors and charities — verify current figures at GOV.UK because they are subject to revision
• The CoS assignment fee itself
• The worker's Skilled Worker visa application fee and Immigration Health Surcharge (paid by the worker, though many employers choose to meet these costs as part of their offer package)

A reputable firm will always set these out clearly in its engagement letter. If a quote does not distinguish between professional fees and government fees, ask explicitly.

Illustrative Cost Scenarios

The following scenarios are illustrative only. Actual costs depend on provider, case complexity, employer size, and volume. Use these as a starting point for budget conversations, not as firm figures.

All figures are illustrative ranges based on market observation in 2026. Verify with a minimum of three providers before budgeting.

How to Evaluate and Choose a Provider

Verify Regulatory Status First

There are only two categories of person legally permitted to charge for immigration services in the UK:

1. Solicitors regulated by the Solicitors Regulation Authority (SRA) — check the SRA register at sra.org.uk
2. OISC-registered advisers — check the OISC register at gov.uk/find-an-immigration-adviser

Anyone else charging for immigration services is acting unlawfully. This includes unregulated "consultants", visa agents without OISC registration, and HR software companies offering immigration legal advice. Being clear on this protects you from wasted fees, bad advice, and potential liability.

Ask the Right Questions Before Signing

• Is your quote fixed or estimated? What triggers additional fees?
• Which specific government fees are excluded from your quote?
• Who will actually handle my case — a senior solicitor, a paralegal, or an offshore team?
• What is your process if the Home Office requests additional information?
• Do you carry professional indemnity insurance?
• Can you provide references from clients in my sector?

Size Is Not Everything

Large global immigration firms have the advantage of scale and multi-jurisdiction capability — useful if you are sponsoring workers across several countries simultaneously. Smaller specialist practices often offer more direct partner-level attention, faster turnaround, and lower fees for straightforward UK sponsor licence work. The right choice depends on your volume, complexity, and how much hand-holding your HR team needs.

What In-House HR Can Manage Without a Solicitor

Not every immigration task requires professional support. Once your team understands the system, the following are commonly managed in-house:

• Conducting and recording right to work checks using the Home Office Online Check Service (for workers with eVisas or Biometric Residence Permits)
• Logging changes in the SMS for low-risk events (such as a salary increase within the same role)
• Maintaining the sponsor's HR system records for existing sponsored workers
• Monitoring visa expiry dates and prompting workers to renew

The higher-risk tasks — initial licence applications, first CoS assignments, handling a compliance visit, responding to a Home Office minded-to-revoke letter — are where professional input provides the clearest return on cost. See our Hiring International Workers: Employer Obligations UK 2026 guide for a full breakdown of what the law requires of you directly.

Common Mistakes Employers Make — and How to Fix Them

1. Treating the professional fee as the total cost

The mistake: Budgeting only for the solicitor's fee and being surprised by the Immigration Skills Charge, which can run to thousands of pounds per worker over a multi-year visa.

The fix: Before signing an engagement letter, ask your adviser to produce a full cost schedule — professional fees, government fees, and ISC — for your expected sponsorship volume over the next three years.

2. Engaging an unregulated "visa consultant"

The mistake: Choosing the cheapest provider without checking their regulatory status, then receiving incorrect advice that leads to a refused application or, worse, a compliance failure.

The fix: Check the SRA register and the OISC register before any money changes hands. Regulated status is non-negotiable.

3. Assuming the adviser handles right to work checks

The mistake: Believing that paying a corporate immigration firm means all compliance is covered. Most firms advise on right to work processes; they do not conduct checks on your behalf inside your business.

The fix: Clarify the scope of your engagement in writing. Establish a clear internal owner — usually an HR manager or Authorising Officer — for day-to-day compliance tasks.

4. Failing to brief the adviser on business changes

The mistake: Merging with another company, changing your trading name, or moving premises without telling your immigration adviser — all of which are reportable changes that can affect licence validity.

The fix: Include your immigration adviser in your change management communications. Many compliance failures arise not from negligence but from communication gaps between HR and the rest of the business.

5. Not seeking a second opinion on a refusal

The mistake: Accepting a sponsor licence refusal without understanding why it happened or whether an administrative review or reapplication is viable.

The fix: If your application is refused, seek advice from a second regulated solicitor or OISC Level 2/Level 3 adviser before deciding on next steps. Our article on Why Sponsor Licence Applications Get Refused explains the most common grounds and what evidence gaps typically trigger them.

6. Over-relying on a provider's cost estimate without a written scope

The mistake: Accepting a verbal quote without a written engagement letter specifying exactly what is and is not included.

The fix: Insist on a written scope of work and fee schedule before any work begins. This protects you if there is a dispute about additional charges later.

A Note on Multi-Jurisdiction Corporate Immigration

If your organisation operates across multiple countries and needs to sponsor workers in several jurisdictions simultaneously — for example, the UK, Germany, and the UAE — you will likely need a firm with genuine multi-jurisdiction capability, not a UK-only practice that subcontracts overseas work.

Multi-jurisdiction immigration programmes are significantly more complex and expensive. Each country has its own equivalent of the sponsor licence framework, its own government fees, and its own compliance obligations. The UK Skilled Worker route is the framework discussed throughout this article; other countries have entirely separate systems with separate regulated advisers.

If you are sponsoring workers across multiple markets, the general principles here apply — verify costs in full, confirm regulatory status, insist on written scopes — but multiply the due diligence accordingly.

What Good Looks Like: An Illustrative Example

The following is a constructed illustrative example and does not represent any real employer or case.

A medium-sized technology firm employing 80 people wants to sponsor three software engineers from overseas on the Skilled Worker route. They have never held a sponsor licence.

They engage an SRA-regulated immigration law firm on a fixed-fee basis.

• Sponsor licence application: £2,200 professional fee + government licence fee (verify current amount at GOV.UK)
• Three CoS assignments at £450 each: £1,350 professional fee + government CoS fee per assignment
• Immigration Skills Charge: payable directly to the Home Office for each worker for each year of sponsorship; at the medium/large sponsor rate (verify current figures at GOV.UK), this is a material additional cost over a five-year visa
• Right to work training session for the HR team: £600 one-off

Total professional fees for year one: approximately £4,150 (illustrative). Government fees are additional and determined by worker salary thresholds, licence tier, and the number of years sponsored. The business factor these into their hiring budget before making offers.

The firm also puts a retainer in place at £3,500 per year for ongoing compliance monitoring, covering up to five further CoS assignments annually and quarterly reporting reviews.

This kind of structured approach — fixed fees for defined work, a clear retainer for ongoing volume — is broadly what well-run mid-market companies negotiate. It avoids bill shock and creates a clear line of accountability.

Practical Next Steps for Employers

If you are considering engaging a corporate immigration service for the first time, a sensible sequence is:

1. Clarify your likely volume: how many overseas hires do you anticipate in the next 12 and 36 months? Volume drives whether a retainer or per-application model is better value.

2. Check whether your business is ready to hold a licence: do you have the HR systems, internal record-keeping, and Key Personnel capacity to meet ongoing duties? If not, address those gaps first. Our How to Apply for a UK Skilled Worker Sponsor Licence guide sets out the baseline requirements.

3. Shortlist two or three regulated providers: use the SRA and OISC registers, not Google rankings alone. Ask peers in your sector for recommendations.

4. Request written fee schedules from each: compare like for like — professional fees, government fees included or excluded, and what ongoing compliance support is provided.

5. Instruct the firm and agree scope in writing: before any work begins.

6. Designate an internal compliance owner: your Authorising Officer and at least one Level 1 User must be employees of your organisation. They will need training and ongoing engagement with your adviser.

For guidance specific to smaller businesses navigating this process for the first time, see our Small Business Guide to Sponsoring Overseas Staff UK 2026.

Important Reminders

We are not a law firm, a recruitment agency, or an immigration adviser. This article is practical information, not legal advice. Immigration law changes frequently — fees, thresholds, and processes described here are accurate to the best of our knowledge as of 2026 but should be verified against official GOV.UK guidance and confirmed with a regulated professional before you act on them.

Where your decision turns on eligibility, compliance risk, or the interpretation of Immigration Rules, instruct a solicitor regulated by the SRA or an adviser registered with the OISC. No legitimate employer or agent ever charges a worker for a job offer or a visa.