The Dains Group.

Learn more about The Dains Group and the way in which our strategic partnerships have opened avenues for delivering enhanced services to our clients. These collaborations enable us to go beyond the conventional, ensuring that our clients receive added value and a comprehensive suite of offerings.

The Dains Group of Companies

In 2021, Dains Accountants successfully secured substantial investment from Horizon Capital, a private equity firm specialising in technology and business services. This strategic partnership with Horizon positions us to capitalise on the momentum generated by recent acquisitions.  

Dains Accountants Limited

Established in 1926, Dains is an independent firm of chartered accountants and business advisers specialising in supporting growing SME businesses.

Our core services are Accountancy & Business Services, Audit, Corporate Finance, Forensic Accounting, and Taxation. We deliver these services with a focus on our core values of Valued Relationships, Fairness, Working & Succeeding Together and Integrity.  Together these core values make up the Dains DNA which runs through each of our interactions and activities.

Associated Businesses

Isosceles Finance Limited

Isosceles Finance supports fast-growing companies with Finance Director, Commercial Accounting and HR solutions. They have worked with some of the most successful technology companies in the UK and helped hundreds of entrepreneurs and founders achieve business growth and, for many, a successful exit.

They have distilled their experiences supporting successful companies into a proven methodology for maximising shareholder value.

Together Isosceles and Dains offer a full-service package of technical and commercial business solutions relevant to the entire lifecycle of their clients. A unique combination for the industry.

Their brands include:

  • iFD Part-time FDs and CFOs

  • ipeopleHR HR and Payroll services

  • icount Cloud-based accounting service to support seed and early-stage tech companies

  • ireport Intelligence insights

Isosceles have 65 staff across three locations: Egham (near Heathrow), Sheffield and Cambridge.

Opto Group

Founded in 2003, PSTAX is a leading tax consultancy firm dedicated to serving the public sector with high-quality VAT and Employment Taxes advice, training, and consultancy services. Originally known as LAVAT Consulting, PSTAX was established with the mission to offer bespoke tax consultancy tailored to the public sector, particularly local authorities and the emergency services.

Today, PSTAX’s public sector clients include local authorities, police forces and PCCs, fire and rescue services, park authorities, NHS Trusts, and NDPBs. Our team of expert consultants deliver tailored tax advice, consultancy, and training designed to meet the unique requirements of public sector bodies. PSTAX Club is our flagship membership programme, offering a variety of taxation benefits to over 300 clients. These include our dedicated helpline and email service, thrice yearly forums and high-quality support and advice across VAT and other indirect taxes, Employment Taxes, Land Taxes (SDLT, LBTT, LTT), Corporation tax, and customs duties.


S3TAX is a leading tax consultancy firm specialising in high-quality, sector-focused VAT and tax support for the housing and third sector. Our services support a wide range of organisations, including registered housing providers, ALMOs, housing companies, colleges, academy trusts, non-profits and charities.

Our consultants are dedicated to providing tailored experiences that meet each client's unique needs. We offer annual subscriptions that include discounted fees and training events. We also offer bespoke retainer and helpline services. At S3TAX, we pride ourselves on being proactive sector specialists, delivering value-for-money services without audit conflicts.

Our mission is to empower third-sector success through expert VAT and tax support. We also host sector-focused training events and publish tax insights.


Red Flower Banner.

Acquired Businesses


HSKSG was formed in 2011 with the merger of Greenhalgh Chartered Accountants & Business Advisers and HSKS Chartered Accountants and have a team of over 70 people working in their offices in Derby, Nottingham and Uttoxeter.

They offer a range of tax and accountancy services to help clients develop and grow their business, as well as personal tax services, estate planning and probate.

They have expert teams dedicated to supporting agricultural businesses, GPs and doctors, care homes, restaurants and property development and investment businesses.

At HSKSG they want clients to make the most of their success, and don't believe clients should have to worry about complex tax rules or unexpected costs.  That’s why they make sure all of their advice is prompt, clear and tailored to their clients’ needs.

Developing successful client relationships is something that comes easily to them.  It’s all about trust.  They get to know what’s important to our clients and what they want to achieve, so we can give them the right support whenever they need it.

Magma Chartered Accountants

Founded in 2011, Magma Chartered Accountants are a leading independent firm of chartered accountants, chartered tax advisers and business advisers centred in the Midlands, with a highly reputed advisory capability. 

Magma’s multi-disciplinary team of specialists is designed to provide joined-up, value-adding advice. The firm provides a comprehensive range of services for successful private businesses, not-for-profit organisations, high-net-worth individuals and families in all areas of business, tax and wealth; fuelling clients to achieve their commercial and financial goals. Services include: Audit & Assurance – Business Services – Corporate Finance – Tax – Private Client Services – Payroll.

Magma’s team of over 100 include many with ‘big firm’ expertise, all passionate and committed to combining specialist knowledge with commercially tuned advice, tailored to our clients’ needs.

McInerney Saunders

McInerney Saunders is our initial Irish acquisition. Located just 10 minutes from Dublin Airport, the firm has been providing accountancy, taxation and business advice to a range of Irish and international companies for nearly four decades. They are staffed by 55 exceptional professional staff and administrators.

At McInerney Saunders, they build long and lasting relationships with their clients by offering not just traditional accountancy services, but also operating as a business mentor and coach across every aspect of their client’s business. This mentoring is provided at partner level, so clients can call on decades of experience and expertise, helping to drive companies on to the next level.

Whatever the business sector or the size of a company or organisation, McInerney Saunders guarantee a level of personal service that is second to none, and an interest in your company that you simply won’t find elsewhere.

They promise it will change the way you view your accountants forever.


William Duncan + Co Limited

William Duncan Accountants are a West of Scotland based accountancy firm led by 9 Directors  and with a team of over 90 managerial, executive, administrative and IT staff.  Established over 100 years ago they have an established reputation for working in close partnership with their clients and constant innovation. 

The William Duncan team are driven by a passion for using the very latest in digital accountancy technology to benefit their clients and their businesses by driving them forward profitability and tax efficiently whilst maintaining a personalised and tailored service.  Their team of experts work across a range of sectors and industries and develop long term client relationships by providing advice on how to manage corporate and personal finances in tandem.

Teamwork, clarity and veracity are at the core of everything William Duncan Accountants do, and their business vision statement underlines this with their desire to be “trusted partners in a digital world, passionately creating a sustainable future for all.


Get in Touch with Us Today

To find out more about the Dains Group of Companies, or to enquire about our accountancy and business advisory services, get in touch with us today.