The 7 best payroll service providers for small businesses in 2026

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Moorepay is the best payroll service provider for small businesses in 2026, based on our 175-hour evaluation of hiring features, scalability, compliance, and more.

However, businesses have different needs. Therefore, based on this testing, we’ve compared the top payroll service providers – helping you choose the best option for your small business.

The best payroll service providers: comparison table

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	Provider	Best for	Cost	Fully managed?
SPONSORED PROVIDER
Employment Hero	Moorepay	ADP UK	IRIS	PayEscape	MHR	OneAdvanced	TopSource Worldwide
Not yet assessed	Growing teams that are hiring more employees	Small businesses hiring international employees	Small construction businesses	Seasonal businesses	Companies with complex pay structures	Professional service teams with employees paid on commission	Fast-growing businesses
Get started with Employment Hero for FREE (paid plans start from £2 per employee per month)	Provides personalised quotes after assessing business needs	Provides personalised quotes after assessing business needs	Provides personalised quotes after assessing business needs	£53 per month (base price)	Provides personalised quotes after assessing business needs	Provides personalised quotes after assessing business needs	Provides personalised quotes after assessing business needs

1. Moorepay: best for growing teams

Cost: Quote-based (not publicly available)
Free trial: No
Location: Manchester, UK

Moorepay is best for scaling SMEs, particularly for features that support workforce expansion and payroll management as headcount grows.

Businesses looking to hire more people can benefit from automatic calculation of Statutory Sick Pay (SSP), Statutory Maternity Pay (SMP), and all UK student loan types, including the new Plan 5 for April 2026 repayments. Its 2-day processing buffer gives businesses an extra 48 hours to submit payroll data and make any last-minute changes before payments are made.

While providers like PayEscape offer greater contractual flexibility, Moorepay allows businesses to manage the entire employee lifecycle, offering integrated HR modules such as a built-in application tracking system (ATS) and 24/7 safety and advice lines.

What I like about Moorepay

• People management: Moorepay’s self-service portal lets managers and staff see payslip data, year-to-date tax information and P60 forms, leave requests (including balances and approval status), and key documents like company policies or tax forms.
• Reporting features: supplies multiple payroll report types, like a register (list of employee contacts) and a changes report (record of payroll changes month-by-month). Clients can also build DIY reports, unlike when using IRIS.
• Support features: as well as support via live chat and phone, new signees can access Moorepay’s implementation team and an account manager who handles any relevant legislative or policy changes.

2. ADP UK: Best for hiring international employees

Cost: Quote-based (not publicly available)
Free trial: No
Location: Staines-upon-Thames, UK

ADP is an ideal choice for businesses looking to hire outside the UK, thanks to its ability to manage payroll in 140+ countries.

Its iHCM platform connects with ADP Global Payroll to allow businesses to pay employees in different countries all in one place. The workflow is also standardised to have the same approval process, same payroll timelines (where possible), and consistent reporting formats – letting teams manage payroll across borders without having to change the process each time.

ADP is only available for a minimum of 25 employees, so it’s a good choice for smaller teams, whereas providers like MHR and OneAdvanced require at least 50 employees to access its services.

What I like about ADP

• Supporting growth: ADP offers add-on services like HR, recruitment, and time tracking. Unlike MHR and TopSource (which bundle these in), ADP lets you add them as needed.
• Time monitoring: ADP Real Time lets employees log hours and attendance themselves, helping ensure payslips accurately reflect the time workload.
• AI-powered support: its chat-based assistant – ADP Assist – uses conversational AI where users can “chat” with payroll data using simple language. It can also detect and alert users to anomalies and suggest corrective measures for human review.

3. IRIS: best for construction businesses

Cost: Quote-based (not publicly available)
Free trial: 30 days
Location: Slough, UK

IRIS is the best choice for construction businesses, primarily because of its dedicated tool for the Construction Industry Scheme (CIS).

Its top capabilities include adding UTR (Unique Taxpayer Reference) numbers to payroll, providing compulsory CIS monthly tax returns to HMRC online, and splitting material and labour costs for different invoices. Businesses can also buy IRIS Recruitment Services to find and onboard skilled tradespeople, manage training through their HR suites, and process pay natively through their payroll platforms.

For construction managers needing fast onboarding, IRIS gives businesses the freedom to instantly onboard and verify an employee’s tax status – a significant advantage over Moorepay and PayEscape.

What I like about IRIS

• Trust: IRIS is an accredited CIPP Payroll Assurance Scheme (PAS) vendor and stores all encrypted data within the UK to ensure HMRC compliance.
• HR services: provides both payroll and HR software, so managers won’t need to divide the data between two products.
• Implementation: IRIS provides training on its software and tax changes to develop user knowledge – giving firms the option to move in-house in future.

4. PayEscape: best for seasonal firms

Cost: £53 per month (base price)
Free trial: No
Location: Ballymoney, UK

PayEscape is the best option for seasonal businesses such as hospitality venues, gift shops and holiday parks because of its flexible, 30-day rolling contracts.

Unlike MHR and ADP – which typically require 3-5 year fixed contracts – PayEscape allows seasonal businesses to pause their contract at any time – making it easier to plan for busy periods such as Christmas or school holidays.

Firms can scale back to the platform’s “Core” pricing model (£53 a month) and deactivate its advanced Workforce Ready modules (like advanced rota scheduling and labour forecasting) during quieter periods.

What I like about PayEscape

• Pricing flexibility: companies are billed on a monthly rolling basis – a big comfort to firms that may be worried about their ability to keep up with payments in today’s economy.
• Time management: staff can clock in and out depending on their start/finish times and breaks, as well as swap shifts between themselves using the self-service portal.
• Service authority: every member of the PayEscape service team is certified by the CIPP, so even at a lower cost, businesses still get a good level of expert support.

5. MHR iTrent: best for companies with complex pay structures

Cost: Quote-based (not publicly available)
Free trial: No
Location: Ruddington, UK

MHR iTrent is best suited for organisations that manage employees with multiple roles on different pay scales, as it can handle complex workforce structures without creating duplicate employee records.

MHR allows an individual employee to hold multiple positions within a single record, and the system combines all earnings from different roles so that tax and National Insurance Contributions (NICs) are calculated correctly.

Moreover, its Advanced salary modelling allows CFOs to model the cost of big changes – such as pay rises, pension updates, or restructures – across the whole workforce before making decisions. While OneAdvanced offers report-building tools and gender/diversity pay gap metrics, it lacks predictive analytics that finance teams can use to forecast both individual and organisational structures changes.

What I like about MHR iTrent

• Security: all of MHR’s data is protected by the iTrent Shield (an additional security layer that necessitates multi-factor authentication in order for employees to access information) and is stored in what it describes as a “multi-million-pound data centre” in the UK.
• Software integrations: partnered with third-party apps so clients can link MHR payroll with accounting and LMS tools for a more connected system.
• Closing the work-from-anywhere compliance gap: MHR iTrent tackles the tricky “cross-border tax trap”, tracking “tax residency days” and alerting you if an employee’s location could trigger a foreign tax bill or a UK residency change.

6. OneAdvanced: best for professional service teams

Cost: Quote-based (not publicly available)
Free trial: No
Location: Birmingham, UK

OneAdvanced is best for professional service sectors, such as legal, accounting and consulting firms, because it combines fast payroll processing with tools made to improve time tracking and billing accuracy.

OneAdvanced can process gross-to-net for 10,000 employees in just 20 seconds. This is powered by a real-time background calculation engine that does most of the work continuously, so payroll is ready to finalise when it’s run.

It also offers configurable nominal posting, allowing firms to control exactly how payroll costs appear in accounts. MHR also offers this feature, but OneAdvanced operates directly alongside its Time Capture module to track an employee’s digital footprint (like emails, MS Teams meetings, and calendar slots) to automatically flag any missed billable time.

What I like about OneAdvanced

• People management: OneAdvanced offers additional HR and recruitment tools in one place, including applicant tracking for managing hiring processes, plus an LMS for creating and delivering tailored training and development programmes.
• Reporting features: its extensive reporting tools let businesses create custom dashboards and databases measuring everything from hours worked to tax withholdings, plus any deductions or contributions made for commission.

7. TopSource Worldwide: best for rapidly expanding businesses

Cost: Varies based on business setup (not available publicly)
Free trial: No
Location: London, UK

TopSource is most suitable for SMEs experiencing rapid international expansion, standing out for its impressive Employer of Record (EOR) services.

Specifically, this service enables hiring and onboarding in over 180 countries by acting as the legal employer, allowing businesses to start operating in new markets in days or weeks instead of months.

Businesses can also “test” a market without long-term commitment, and can terminate the service agreement at any time. Its zero headcount minimum is also a significant advantage over ADP, which requires a minimum of three countries to operate.

What I like about TopSource

• Multiple region set up: its Portico platform allows businesses to pay both UK and international employees through a single interface. It’s also SOC 1: Type 2 compliant, giving enterprise-grade security and assurance.
• Fast setup: our research team confirmed turnaround times can be as little as four weeks due to TopSource’s streamlined onboarding methods.

How much does it cost to outsource payroll in the UK?

Outsourcing payroll in the UK typically costs between £4 and £10 per employee, per month. So a business with 15 employees would potentially pay over £100 per month.

However, this ultimately depends on the provider, as most payroll services charge bespoke fees rather than pre-set pricing. This is because the demands of your employees’ pay can vary massively depending on industry, team size, and benefit structure.

What should I look for in a payroll service?

HMRC compliance is the most critical factor to look for in a payroll service, followed closely by industry expertise and data security.

Ensure your chosen service is fully committed to the regulatory standards and your small business’s compliance. Fortunately, all the providers featured in this article are HMRC-compliant.

So, what else should you consider?

• Expertise: providers should hold CIPP and ISO:2700 accreditation to demonstrate a proven track record in payroll compliance and security.
• Tax administration: a good payroll service provider should navigate tax regulations effortlessly, stay abreast of tax law changes, and minimise compliance risks.
• Data security: should protect sensitive information with encryption, secure servers, and stringent access control – including AI threat detection to prevent sophisticated ransomware attacks, and defences against deepfake technology.
• Payroll reporting capabilities: customisable reports, real-time insights, and compliance reports should be part of a provider’s offerings.
• Employee experience: choose a provider that offers user-friendly interfaces and accessible employee portals to keep your staff happy and reduce the burden on your HR department.
• Setup and training processes: look for providers that can offer comprehensive training to your team to speed up the setup process, so you have more time to focus on running your enterprise.
• Customer support options: opt for providers with multiple support channels – email, phone, and live chat. This can be a lifesaver in stressful situations, especially for newer, less experienced businesses.
• Software integrations: assess the provider’s compatibility with the other software your business uses to build a comprehensive system where all data can be recorded, shared, and updated from one place.
• HR services: a provider with a wide range of HR services allows you to easily add on features like benefits administration, performance management, or applicant tracking systems (ATS).
• 2026 compliance assurance: following the Employment Rights Act 2025, HMRC enforcement requires providers to offer early risk identification and penalty indemnity.

What’s the difference between payroll services and payroll software?

Payroll services provide outsourced management, while payroll software requires in-house execution of payroll tasks.

If your business has very basic payroll needs, it’s worth trying payroll software, as it’s often cheaper than outsourcing. However, it can become time-consuming and highly complex.

On the other hand, outsourcing a payroll service provider ensures that HMRC compliance and administrative filings are managed by CIPP-accredited professionals.

Is outsourcing right for me?

You should consider outsourcing your payroll if:

• Tax research and regulatory compliance are distracting you from core business growth.
• You’re receiving complaints and queries from employees about pay slip errors, or you’ve been penalised by HMRC for a tax error.
• You’re concerned that you cannot effectively manage data security on your own.
• Your payroll administrator leaves, and you are concerned about the cost of an emergency interim hire and potential HMRC late-filing penalties.

How to switch to a payroll service provider

If you’re ready to choose a provider and want to switch your business to one of our top recommendations above, there’s a three-step process you can take that involves data migration and notifying HMRC:

Step 1: audit your payroll data

Before agreeing to anything, you first need to get all your relevant company data in order, ready to smoothly migrate it to your new provider.

This should include all your current and historic data relating to your company records (like bank account info), employee records (such as tax codes), and your Year-to-Date (YTD) figures.

You should also ask for a clear migration timeline. If a provider needs 90 days to get things live, that’s a red flag. Instead, look for a provider that can move quickly and without disrupting a single pay cycle.

You’ll need to determine the best time of the year to switch: for example, at the end of a payroll cycle or the end of the financial year can both be good choices for a smooth transition.

Step 2: the notification phase

Once you’ve selected your new provider (and ensured it can integrate into your current workflow, including accounting software), you need to start notifying the relevant parties of your switch.

You’ll, of course, have to notify your current service (if you have one), but make sure not to officially cancel until you have a concrete start date from the new provider. Make sure to closely check over the cancellation policy, too, so you don’t trigger any fees.

You’ll be required to notify HMRC that you’re switching providers, but make sure you also let your staff know ahead of time, so they can prepare for the change.

Step 3: run your systems in parallel

Don’t just dive into the new system and hope for the best: for the first month, you should run your new and old systems side-by-side. This is so you can compare your payroll data in parallel. If it doesn’t match down to the penny, you know you have a problem.

You’ll also need to expressly confirm which of the old and new providers will be responsible for tax filings during the crossover quarter: it’s key to avoid a gap during the transitional phase, where a tax filing might get missed.

The final thing to do is get a record of all your historical data from your old provider.

You can find more information in our guide to switching payroll providers.

How we evaluate and test payroll services

At Startups, we undertook a five-week-long analysis to research, test, and evaluate nine payroll service providers to determine the seven top recommendations for small business owners.

In our latest research cycle, we judged each provider based on the following criteria:

• Hiring features (25%): the geographic reach and delivery speed of EOR and hiring solutions across different regions.
• Pricing and cost transparency (20%): how clearly a provider communicates its price, including per-employee costs and any hidden foreign exchange fees.
• Platform ease of use & UX (15%): the intuitiveness of a provider’s user interface and whether it’s easy to use, or needs a lot of training.
• Security and compliance authority (10%): whether a provider has “technical insurance”, like CIPP accreditation and ISO certifications.
• Account management and support (10%): the availability and quality of service from dedicated human advisors compared to digital helpdesks.
• Integration ecosystem (10%): whether the provider’s own API connects with accounting software, such as Xero, QuickBooks, and Sage.
• Scalability (10%): how easily the system handles rapid headcount growth or the transition from EOR to a legal entity.

Next steps: get started with the best payroll service provider in the UK

We have determined that the best payroll service for a small company is Moorepay. This reputable, established provider has vast experience with exceptional payroll expertise that covers the majority of UK payment schemes.