Retainer Agreement (UK)
This Retainer Agreement (the "Agreement") is entered into on [Agreement Date] (the "Effective Date").
BETWEEN:
(1) [Client Name], of [Client Address], [Client City], [Client Postcode] (the "Client"); and
(2) [Provider Name], of [Provider Address], [Provider City], [Provider Postcode] (the "Service Provider").
The Client and the Service Provider are referred to collectively in this Agreement as the "Parties" and individually as a "Party".
BACKGROUND
A. The Client wishes to engage the Service Provider to provide [Service Type] on a continuing retainer basis, and the Service Provider agrees to make such services available to the Client on the terms and conditions set out in this Agreement.
B. The Parties wish to set out in writing the terms on which the Service Provider will provide the Retainer Services to the Client.
NOW, THEREFORE, in consideration of the mutual covenants and the payment of the Retainer Fee (as defined below), the Parties agree as follows:
1. RETAINER SERVICES
1.1 The Service Provider shall, during the term of this Agreement, make available to the Client the following [Service Type] (the "Retainer Services"):
[Services Description]
1.2 The following services are expressly excluded from this Agreement and shall not be provided under the Retainer Fee without a separate written agreement:
[Services Excluded]
1.3 The Service Provider shall perform the Retainer Services with the reasonable skill, care, and diligence of a competent and experienced professional, consistent with the implied term under section 13 of the Supply of Goods and Services Act 1982.
1.4 The Service Provider is engaged as an independent contractor and not as an employee, agent, or partner of the Client. Nothing in this Agreement shall create any relationship of employment between the Parties.
2. RETAINER FEE AND PAYMENT
2.1 In consideration of the availability of the Retainer Services, the Client shall pay the Service Provider a monthly retainer fee of £[Monthly Retainer Fee] (exclusive of VAT) (the "Retainer Fee").
2.2 The Retainer Fee is payable [Payment In Advance], on [Payment Date] of each calendar month. The Service Provider shall issue an invoice to the Client in respect of each month's Retainer Fee on or before the due date for payment.
2.3 All payments shall be made in pounds sterling (£) by bank transfer to an account nominated in writing by the Service Provider. Payment shall be deemed to have been made on the date the funds are credited to the Service Provider's account.
2.4 Late Payment: If the Client fails to pay any sum due under this Agreement by the due date, the Service Provider shall be entitled to charge interest on the overdue amount at the rate of 8% per annum above the Bank of England base rate in accordance with the Late Payment of Commercial Debts (Interest) Act 1998, accruing daily from the due date until payment is received in full, together with any reasonable costs of recovery.
3. TERM AND TERMINATION
3.1 This Agreement shall commence on the Effective Date and shall continue for an initial term of [Initial Term], after which it shall [Auto Renew].
3.2 After the initial term, either Party may terminate this Agreement by giving [Notice Period] prior written notice to the other Party.
3.3 Either Party may terminate this Agreement with immediate effect by written notice to the other Party if:
(a) the other Party commits a material breach of this Agreement and (if the breach is capable of remedy) fails to remedy it within 14 days of receiving written notice requiring it to do so;
(b) the other Party becomes insolvent, enters administration, receivership, or voluntary arrangement, or has a winding-up petition presented against it;
(c) the other Party ceases, or threatens to cease, to carry on business.
3.4 Consequences of Termination: On termination or expiry of this Agreement, the Client shall pay the Retainer Fee for the month in which termination occurs (or, if payable in advance, the Retainer Fee for the final month). The Service Provider shall have no obligation to provide Retainer Services after the effective date of termination.
4. CONFIDENTIALITY
4.1 Each Party undertakes to keep confidential all information received from the other Party in connection with this Agreement that is confidential in nature or is stated to be confidential, and shall not disclose such information to any third party without the prior written consent of the other Party, except as required by law, any competent regulatory authority, or any recognised professional body.
4.2 The obligations of confidentiality set out in this Clause shall continue for [Confidentiality Period] after the termination or expiry of this Agreement, and shall survive termination.
5. INTELLECTUAL PROPERTY
5.1 The Service Provider retains all intellectual property rights in any materials, methodologies, templates, precedents, know-how, and general knowledge developed or used in connection with the provision of the Retainer Services, including any pre-existing materials.
5.2 Any written advice, reports, or documents produced specifically for the Client under this Agreement (the "Client Materials") shall be owned by the Client upon payment in full of all Retainer Fees due. The Service Provider grants the Client a royalty-free, perpetual licence to use any pre-existing materials of the Service Provider incorporated into the Client Materials.
6. LIABILITY
6.1 Nothing in this Agreement shall limit or exclude either Party's liability for: (a) death or personal injury caused by negligence; (b) fraud or fraudulent misrepresentation; or (c) any other liability that cannot be limited or excluded by law.
6.2 Subject to Clause 8.1, the Service Provider shall not be liable for any indirect, consequential, special, or exemplary loss or damage, or for any loss of profit, revenue, business, or reputation, howsoever arising under or in connection with this Agreement.
7. GENERAL PROVISIONS
7.1 Entire Agreement. This Agreement constitutes the entire agreement between the Parties relating to the subject matter of this Agreement and supersedes all prior agreements, representations, and understandings.
7.2 Amendments. No amendment to this Agreement shall be valid unless made in writing and signed by authorised representatives of both Parties.
7.3 Waiver. No failure or delay by either Party in exercising any right or remedy under this Agreement shall operate as a waiver of that right or remedy.
7.4 Severance. If any provision of this Agreement is found to be invalid or unenforceable, the remaining provisions shall continue in full force and effect.
7.5 Third Party Rights. This Agreement does not confer any rights on third parties under the Contracts (Rights of Third Parties) Act 1999.
7.6 Notices. Any notice under this Agreement shall be in writing and delivered by hand, first class post, or email. Notices by email shall be effective on the day of transmission (provided no delivery failure notification is received); notices by post shall be effective two Business Days after posting.
8. GOVERNING LAW AND JURISDICTION
8.1 This Agreement and any dispute or claim arising out of or in connection with it (including non-contractual disputes or claims) shall be governed by and construed in accordance with the laws of England and Wales.
8.2 Each Party irrevocably agrees that the courts of England and Wales shall have exclusive jurisdiction to settle any dispute or claim arising out of or in connection with this Agreement.
IN WITNESS WHEREOF, the Parties have executed this Retainer Agreement as of the date first written above.
THE CLIENT
Name: [Client Name]
Address: [Client Address], [Client City], [Client Postcode]
THE SERVICE PROVIDER
Name: [Provider Name]
Address: [Provider Address], [Provider City], [Provider Postcode]
Client
________________
Signature
Date: ________________
Service Provider
________________
Signature
Date: ________________
What Is a Retainer Agreement (UK)?
A Retainer Agreement in the United Kingdom sets the services to be provided, the fees, the timetable, and each side's responsibilities for the engagement, with its requirements set by the Supply of Goods and Services Act 1982.
The retainer model is well established in English professional services law and is commonly used by solicitors, accountants, financial advisers, marketing and PR agencies, IT consultants, HR advisers, and business strategy consultants. It provides predictability for both parties: the client knows they have guaranteed access to the service provider's expertise each month, and the service provider receives a reliable recurring income.
Under English law, a retainer agreement is a contract for services governed by the Supply of Goods and Services Act 1982. Section 13 of that Act implies a term that the service provider will carry out the services with reasonable care and skill. Section 14 implies a term that the services will be carried out within a reasonable time where no time is specified. Section 15 implies a term that the client will pay a reasonable charge where no price has been agreed. The Late Payment of Commercial Debts (Interest) Act 1998 entitles the service provider to statutory interest on overdue invoices at 8% above the Bank of England base rate.
The retainer fee represents payment for the service provider's availability and the reservation of their time and resources for the client's benefit, not merely payment for work actually done. This is an important distinction: in a 'pure' retainer, the fee is payable whether or not the client actually uses the service provider's time in any given month. In practice, many retainer agreements include a monthly hours cap, so that the retainer fee covers up to a specified number of hours per month, with additional hours charged at an agreed rate. The treatment of unused hours (whether they expire, roll over, or accumulate) is an important commercial point that should be clearly addressed in the agreement.
The legal framework governing the Retainer Agreement (UK) in United Kingdom draws on several key statutes and regulatory bodies. Under the Companies Act 2006, Companies House maintains the register of UK companies. Section 386 of the Companies Act 2006 sets accounting record obligations. The Competition and Markets Authority (CMA) enforces the Consumer Rights Act 2015. The Financial Conduct Authority (FCA) regulates financial services under the Financial Services and Markets Act 2000. The High Court of Justice has jurisdiction under the Senior Courts Act 1981. Parties executing a Retainer Agreement (UK) in United Kingdom should confirm the document reflects current law, including any amendments enacted since the original drafting date. The Companies Act 2006 sets the foundational requirements.
When Do You Need a Retainer Agreement (UK)?
A retainer agreement is appropriate whenever a client has a continuing need for professional advice or services and wishes to secure the availability of a trusted service provider on an ongoing basis, rather than engaging them on a project-by-project basis.
Legal retainers are among the most common applications. Law firms and individual solicitors are frequently engaged on a monthly retainer by commercial clients who need regular legal support — reviewing contracts, advising on employment matters, handling routine disputes, and providing general corporate governance advice. The retainer confirms that the client has prompt access to legal advice when needed, without having to negotiate a new engagement each time.
Marketing and public relations agencies commonly use retainer agreements to provide clients with an ongoing package of services — managing social media channels, issuing press releases, running advertising campaigns, and providing strategic brand advice. The retainer model allows the agency to plan resources effectively and gives the client a predictable monthly marketing budget.
IT consultants and managed service providers frequently operate on a retainer basis, providing a defined level of technical support, system monitoring, and advisory services each month. For small and medium-sized businesses that cannot afford to employ a full-time IT director, a retainer with a fractional CTO or IT consulting firm is an efficient alternative.
HR consultants are engaged on retainer by businesses that need ongoing employment law advice, assistance with disciplinary and grievance procedures, and HR policy development. This is particularly common for SMEs that do not have an in-house HR function.
Finally, accountants and financial advisers are often engaged on a monthly retainer for bookkeeping, management accounts, tax compliance, and strategic financial advice. The retainer structure provides a predictable fee for the client and a stable client relationship for the adviser.
Parties in United Kingdom should prepare a Retainer Agreement (UK) proactively rather than waiting for a dispute to arise. Courts interpret agreements based on the written terms rather than oral representations. Under the Companies Act 2006, Companies House maintains the register of UK companies. Section 386 of the Companies Act 2006 sets accounting record obligations. The Competition and Markets Authority (CMA) enforces the Consumer Rights Act 2015. The Financial Conduct Authority (FCA) regulates financial services under the Financial Services and Markets Act 2000. The High Court of Justice has jurisdiction under the Senior Courts Act 1981. Where the transaction involves regulated activities, prior approval from the relevant authority may be required before execution.
What to Include in Your Retainer Agreement (UK)
A professionally drafted UK Retainer Agreement should contain several key provisions to create a clear, commercially workable framework for the ongoing professional relationship.
The description of retainer services is the most important provision. It should describe, with sufficient precision, the services the service provider will make available to the client each month. A carefully drafted 'out of scope' section is equally important — specifying what the retainer does not cover prevents disputes about whether a particular matter is within the scope of the retainer or should be charged separately.
The monthly hours allocation (if included) specifies the maximum number of hours of service included in the monthly retainer fee. This should be accompanied by a clear statement of what happens to unused hours (whether they expire, roll over, or accumulate) and the rate at which additional hours above the cap will be charged. The service provider should be contractually required to notify the client before commencing work that will exceed the monthly allocation.
The retainer fee clause specifies the monthly fee in GBP, whether it is payable in advance or in arrears, the day of the month on which it falls due, and the consequences of late payment. An express late payment interest clause referencing the Late Payment of Commercial Debts (Interest) Act 1998 is recommended to reinforce the service provider's statutory rights.
The annual fee review clause allows the service provider to increase the retainer fee each year in line with inflation (typically CPI or RPI) or by a fixed percentage, providing protection against rising costs. The notice requirements for any increase and the client's right to terminate if they do not accept the increase should be clearly stated.
The term and termination clause specifies the initial minimum term of the agreement (typically 3, 6, or 12 months), the auto-renewal mechanism, and the notice period required to terminate. For retainer agreements, a minimum initial term provides the service provider with a degree of commercial certainty.
The liability cap limits the service provider's maximum exposure under the agreement, typically set at the total fees paid in the preceding 12 months or a specified lump sum. This is an essential commercial protection for the service provider.
Additional compliance elements for a Retainer Agreement (UK) used in United Kingdom include: Under the Companies Act 2006, Companies House maintains the register of UK companies. Section 386 of the Companies Act 2006 sets accounting record obligations. The Competition and Markets Authority (CMA) enforces the Consumer Rights Act 2015. The Financial Conduct Authority (FCA) regulates financial services under the Financial Services and Markets Act 2000. The High Court of Justice has jurisdiction under the Senior Courts Act 1981. Forms-legal.com provides this template as a starting point for United Kingdom-compliant documentation.
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Reference this free template in an article, syllabus, or research note:
Forms Legal. (2026). Retainer Agreement (UK) (United Kingdom) [Legal document template]. Forms Legal. https://forms-legal.com/uk/business/contracts/retainer-agreement-uk
"Retainer Agreement (UK) (United Kingdom)." Forms Legal, 2026, https://forms-legal.com/uk/business/contracts/retainer-agreement-uk.
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title = {Retainer Agreement (UK) (United Kingdom)},
year = {2026},
howpublished = {\url{https://forms-legal.com/uk/business/contracts/retainer-agreement-uk}},
note = {Free legal document template. Based on Companies Act 2006}
}Also available for these jurisdictions:
Frequently Asked Questions
A retainer agreement and a consultancy agreement are both contracts for the supply of professional services under English law, but they differ in their structure and the nature of the obligation they create. A consultancy agreement is typically project-specific or task-specific: the consultant is engaged to perform a defined piece of work (such as a market analysis or a systems implementation), and the engagement ends when that work is complete. A retainer agreement, by contrast, creates an ongoing availability obligation: the service provider agrees to make their time and expertise available to the client on an ongoing monthly basis in exchange for a fixed monthly retainer fee. The retainer fee is paid regardless of how much work is actually instructed in any given month (subject to any hours cap). This structure gives the client priority access to the service provider's time and gives the service provider a predictable recurring income. Under the Supply of Goods and Services Act 1982, both types of agreement are subject to implied terms including that the services will be performed with reasonable care and skill (section 13). The distinction between the two is important for IR35 purposes: a retainer structure that creates ongoing availability (and potentially mutuality of obligation) may be more likely to be characterised as employment for tax purposes.
Yes. Where the Service Provider is a solicitor or other regulated legal professional, the retainer agreement is subject to additional regulatory requirements beyond the general law of contract. The Solicitors Regulation Authority (SRA) Code of Conduct 2019 requires solicitors to give clients clear written information about the terms of engagement, including the scope of the retainer, the fee arrangements, and the costs terms. Under the Consumer Rights Act 2015, where a solicitor is providing services to a consumer (an individual acting outside of a trade, business, or profession), additional transparency requirements apply, and the client has the right to expect that the service will be performed within a reasonable time and for a reasonable price if these have not been specified. The retainer must also address the solicitor's obligations under the Money Laundering, Terrorist Financing and Transfer of Funds (Information on the Payer) Regulations 2017, including client due diligence. Solicitors must also comply with section 74 of the Solicitors Act 1974, which regulates the charging of costs. Non-regulated service providers (such as consultants or marketing agencies) are not subject to these additional obligations.
The treatment of unused retainer hours depends entirely on the terms of the retainer agreement. There are three common approaches. The first, and most common from the service provider's perspective, is a 'use it or lose it' policy: unused hours expire at the end of each calendar month and cannot be carried forward. This approach is commercially straightforward and simplifies the service provider's resource planning. The second approach is a limited rollover: unused hours can be carried forward to the immediately following month only, after which they expire. This provides a modest benefit to the client without creating an indefinite accumulation of obligations. The third approach is a full accumulation: unused hours accumulate throughout the term of the agreement and can be used at any time before termination. This is the most favourable to the client but creates the greatest uncertainty for the service provider's capacity planning. From the service provider's perspective, a 'use it or lose it' policy with clear contractual language is the most commercially sensible, as it ensures the retainer fee represents payment for availability rather than for a specific volume of work. The service provider should confirm the chosen policy is clearly stated in the agreement.
Yes. A retainer fee payable under a written retainer agreement constitutes a contractual debt under English law, and the service provider may recover it through the courts if the client refuses to pay. Where the retainer agreement is between two businesses, the Late Payment of Commercial Debts (Interest) Act 1998 automatically applies, entitling the service provider to statutory interest at 8% per annum above the Bank of England base rate on the overdue amount, as well as a fixed sum of compensation (£40, £70, or £100 depending on the value of the debt) and reasonable costs of recovery. For debts up to £10,000, the service provider may use the County Court Money Claims Centre (CCMCC) online portal to issue a claim quickly and cost-effectively. For debts over £10,000, a Part 7 claim in the County Court or High Court (depending on the amount) is the usual route. Where the client is a company in financial difficulty, the service provider should consider the options available under the Insolvency Act 1986, including a statutory demand (for debts of £750 or more) which, if unsatisfied within 21 days, can be used as the basis for a winding-up petition.
A retainer agreement between a client and a service provider who operates through a personal service company (PSC) must be carefully structured to avoid creating an employment relationship that falls within the IR35 off-payroll working rules under Chapter 10 of Part 2 of the Income Tax (Earnings and Pensions) Act 2003. HMRC applies three key tests to determine whether a deemed employment relationship exists: (1) Control — the client should not direct or control how the service provider performs the services, only what is required as an outcome; (2) Substitution — the service provider should have a genuine right to provide a suitably qualified substitute to perform the services without requiring the client's consent; and (3) Mutuality of Obligation — the client should not be obliged to offer a minimum volume of work, and the service provider should not be obliged to accept all work offered. A retainer structure that guarantees a minimum volume of work and requires the service provider to be personally available during specified hours may be more likely to create mutuality of obligation and could therefore increase the risk of an IR35 determination. Service providers and clients operating retainer agreements should review their arrangements against HMRC's Check Employment Status for Tax (CEST) tool and take appropriate professional advice.
This template is provided for informational purposes only and does not constitute legal advice. Laws vary by jurisdiction and change over time. Consult a qualified attorney for advice specific to your situation.Full disclaimer
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