8 Best UK Accounting & Business Advisory Firms

Pexels – CCO Licence

Running a family business or owner-managed company right now comes with a unique set of pressures. You are not only thinking about tax returns and deadlines as important as they are, but you are also weighing up long-term decisions around everything from growth and succession to investment and financial security, and often, you are doing this with your own personal stakes to think about, too.

That is why it is so important that you take the time to choose the right accounting firm for you and your company. You see, the best firms are the ones who don’t just crunch numbers, but act as steady advisors who help you to understand your business journey better than before and thus make more confident decisions every step of the way.

That’s why, to help you out, below, I have reviewed eight of the best UK accounting and advisory firms that support businesses across the country to reach their full potential.

1. WR Partners – Best for owner-managed and family businesses seeking long-term guidance

WR Partners has taken the top spot due to its clear focus on acting as a long-term advisor, rather than just a transactional accountant. The firm are so effective because they work loosely with family and owner-managed businesses to support them at every stage from their early growth to consolidation, and even what comes beyond via succession planning.

One thing that really makes this particular firm stand out is its blend of technical expertise with genuine commercial understanding, and a personal touch. Business owners who work with WR Partners are not just handed reports; they are guided through every step of their decisions in a way that builds both confidence and clarity.  Whether it’s planning for the future, managing risk, or navigating change, WR Partners prioritises advice that reflects both the numbers and the people behind them.

For business owners who want continuity, trusted relationships, and advice that evolves as their business does, WR Partners offers a refreshing alternative to the “once-a-year” accountant model.

2. Azets – Best for regional UK coverage with modern systems

Azets is a firm that has rapidly grown in recent years, and is now operational across the UK, Ireland and the Nordics. Its main strength which has led to it having the number two spot on this list, is the way that it combines local knowledge with centralised systems, making it the perfect choice for companies that want to have consistency across multiple locations.

The firm provides accounting, tax, payroll, and advisory services, which are supported by digital tools. This is a company that should appeal to businesses who value efficiency and scale, but who still want advisors who understand regional markets and sector-specific challenges.

3. RSM UK – Best for growing mid-market businesses

RSM UK is a company that focuses heavily on the mid-market. They work with ambitious businesses that are scaling, restructuring or preparing for future investments and they have a lot to offer these companies in terms of their ability to cover everything from tax optimisation to corporate finance and risk management effectively and in a way that is effective and understandable.

Many businesses choose RSM because it is a firm that really does understand the pressures of growth, balancing opportunity with control. Their structured approach works well for businesses that need one eye on forward planning but without ever losing sight of the day-to-day realities, either.

4. PKF Smith Cooper – Best for hands-on advisory support

PKF Smith Cooper is part of the wider PKF International network but retains a distinctly hands-on, partner-led approach. The firm works closely with owner-managed businesses, charities, and growing companies across the UK.

Clients often value the accessibility of senior advisors and the firm’s willingness to get involved in the practical side of business decisions. From tax planning to strategic reviews, PKF Smith Cooper offers advice that’s grounded and commercially focused rather than overly theoretical.

5. Moore Kingston Smith – Best for entrepreneurial businesses and creatives

Moore Kingstong Smith has a strong reputation amongst entrepreneurial businesses, particularly within the creative, media and tech sectors, and this is because the firm blends traditional accounting services with more tailored specialist advice that works well for these industries.

Its advisors are not only highly knowledgeable, but they also tend to work closely with founders and leadership teams to help them navigate complex issues like growth funding and long-term planning. For companies who do not exactly fit the traditional mould, they are a really good fit, offering a more flexible and sector-aware approach than most.

6. Saffery – Best for private clients and family wealth

Saffery is particularly well known for its work with private clients, family businesses, and high-net-worth individuals. While it offers full accounting and tax services, its real strength lies in long-term planning around wealth, succession, and inter-generational strategy.

For family-owned businesses who are thinking beyond the immediate trading results they can achieve, Saffery’s advisory style can be a strong fit, especially if your personal finances overlap with your business ones.

7. Hurst Accountants – Best for SME-focused advice in North of England

Hurst Accountants is a well-established independent firm with a strong presence in the North of England. It works primarily with SMEs, owner-managed businesses, and entrepreneurs who want direct access to experienced advisers.

The firm is known for its plain-English advice and relationship-driven service. Businesses that value continuity and local expertise often find that Hurst are reliable partners as they grow and adapt.

8. UHY Hacker Young – Best for international links with local service

UHY Hacker Young combines a strong UK presence with access to an international network, making it suitable for businesses with overseas interests or expansion plans.

The firm supports owner-managed and mid-sized businesses with audit, tax, and advisory services, offering a balance between local responsiveness and global connectivity. This makes it particularly appealing to companies operating across borders but wanting a UK-based advisory relationship.

The final verdict

The UK accounting landscape is interesting and varied, so whatever you are looking or, whether it be a company that can help your small family-owned business success, like WR Partners, or a more tailored approach for your creative company, you will not struggle to get the help you need, and if you choose any of the eight firms in this list, you will not be disappointed.