Meet our new member firms
We extend a very warm welcome to our new distinguished member firms.
(in alphabetical order by company name)
Carpenter Box is an award-winning leading accountancy firm in the South-East, recognised for innovation, client service, and team excellence.
The firm proudly won Tax Team of the Year at the Accounting Excellence Awards 2024 and Mid-Tier Innovation Firm of the Year at the British Accountancy Awards 2019. Their commitment to staff earned them also a nomination as Finalist for Employer of the Year 2024, highlighting their focus on growth, wellbeing, and creating an outstanding workplace.
Carpenter Box has over 100 years of history, but their focus is firmly on the future. With 6 offices, 20 partners and over 230 staff, the firm delivers tailored, practical, and innovative solutions for their clients and their families.
The success of Carpenter Box stems from strong client relationships and the expertise of some of the brightest accountants, auditors, and tax specialists in the industry.
GGI member firmCarpenter BoxWorthing, UKT: +44 1903 234 094
Alan EdwardsContact Alan.
Company Language: English
Auditing & Accounting, Tax, Advisory
As a well-known Staffordshire firm of chartered accountants and business advisers, DPC Chartered Accountants use intelligent accounting solutions and expert advice to guide business and private clients.
Continual staff training and in-house skills are invested in, to deliver the most up-to-date services compliant with HMRC, digital technology and data protection.
Whether you run a start-up company, a growing business, are looking to exit a business or require taxation advice, you can be assured of the highest quality guidance and tax solutions.
With 6 directors and 58 staff, DPC Chartered Accountants is built on over 80 years’ experience.
GGI member firmDPC Chartered AccountantsStoke-on-Trent, UKT: +44 1782 744 144
Michelle CoatesContact Michelle.
EQ Accountants, part of the Sumer Group, is a leading accounting, audit and advisory firm in Scotland and Northern England, recognised for their commitment to client service while championing SMEs.
Their journey reflects a commitment to building enduring relationships and establishing themselves as a respected authority in accounting and business advisory services. Their success can be measured in the meaningful client and stakeholder relationships they have forged along the way.
The team at EQ Accountants supports their clients with the complexities of business and personal finances, ensuring a personalised tailored approach.
From start-up to succession planning EQ Accountants are 'with you'.
GGI member firmEQ AccountantsDundee, ScotlandT: +44 1382 312100
Craig NicolContact Craig.
HW Fisher, part of the Sumer Group, provides expert accountancy, audit, tax, corporate and financial advisory services to high-profile entrepreneurial SMEs, large corporates and high net-worth individuals.
Working in partnership with their clients is important to them. With a focus on open communication, they provide carefully tailored services and thoughtful, commercial advice and support. Each one of their clients has different needs and they put these at the forefront of their approach every time.
The firm has 26 partners and around 300 staff in London. They nurture talent through their renowned graduate training programme and encourage ambition and progression in their staff.
In October 2024, HW Fisher became part of Sumer – a collaboration of renowned regional accountancy practices with a shared vision to champion local small to medium-sized enterprises.
GGI member firmHW FisherLondon, UKT: +44 20 7388 7000
Andrew RichContact Andrew.
Jerroms, part of the Sumer Group, has been supporting businesses in the West Midlands for over 50 years.
With a focus on Small and Medium Enterprises (SMEs), they work closely with clients, providing expertise in all key financial and business disciplines, including strategic business planning for growth, profit improvement, accountancy and corporate and personal tax planning with the aim of helping clients to achieve their business aspirations.
Following considerable growth in the business, Jerroms has offices in Solihull and Halesowen, bringing the total complement of staff to nearly 200.
Together they support and advise thousands of businesses, from the start-up phase through to growth and consolidation and finally to planning the end sale and achieving the best possible outcome.
GGI member firmJerromsSolihull, UKT: +44 121 693 5000
Mark EdenContact Mark.
Auditing & Accounting, Tax
Monahans, part of the Sumer Group, is one of the largest firms of chartered accountants and business advisers in the South-West of England.
For over a century, Monahans has long been at the heart of local business communities. Today, the company operates from eleven key locations across the region, including Bristol, Bath, Swindon, and Taunton – and supports clients with their regional, national, and international requirements.
Offering a range of specialised services that include Corporate Finance, Tax Consultancy, Audit, Business Recovery and Insolvency, Digital Cloud Accounting, Payroll, HR Services and Probate, our team has the experience to understand and anticipate needs, provide insights, and support clients with reassuring professional expertise in a constantly evolving, challenging business world.
Monahans is part of the Sumer Group – one of the top 15 mid-market accountancy firms in the UK employing over 1,000 people in more than 40 offices around the country.
GGI member firm MonahansSwindon, UKT: +44 1793 818 300
Simon TombsContact Simon.
O’Neill & Borges LLC is a full-service law firm established in 1962, and located in San Juan, Puerto Rico. O’Neill & Borges has a long-standing history of being involved in many of the most significant corporate transactions and adversarial proceedings in Puerto Rico and their attorneys adhere to the highest standards of legal excellence and service.
For over 10 years, O’Neill & Borges has been recognised by Chamber and Partner as one of the leading firms in Puerto Rico. Many of their attorneys are listed as “Leaders in Their Field” in the Chambers Latin America and Global guide. Their team of 45 partners and a total of over 70 professionals and staff includes an experienced group of paralegals, legal assistants and other staff members dedicated to serving their clients.
The firm’s client base is extensive and representative of the major economic sectors of the Puerto Rican economy. Among their clients are leading business organisations, including Fortune 500 companies.
GGI member firm O'Neill & Borges LLCSan Juan, Puerto RicoT: +1 787 764 8181
Alfredo Alvarez IbañezContact Alfredo.
Company Languages: English, Spanish
Law Firm Services, Tax, Advisory, Corporate Finance, Fiduciary & Estate Planning
RMT Accountants and Business Advisors, part of the Sumer Group, was established in 1954 as Robert Miller Tate & Co and today is one of the region’s largest firms of independent accountants and business advisors.
Based in Gosforth, Newcastle upon Tyne and employing a team of over 120 people, their business is led by eight Directors with expertise in a broad range of client services – including auditing and accounting, recovery and insolvency, specialist tax, business advice and corporate finance.
The Team at RMT looks forward to collaborating with GGI members worldwide.
GGI member firm RMT AccountantsNewcastle upon Tyne, UKT: +44 191 256 9500
Mike PottContact Mike.
ROSS Auditores y Consultores is a firm specialised in auditing, financial consulting, and risk management, providing strategic solutions to companies across various industries in Ecuador.
With a multidisciplinary team of experts and a risk-based approach, ROSS offers internal and external auditing services, accounting and tax advisory, regulatory compliance, and process optimisation.
The firm integrates cutting-edge technology into its methodologies, utilising tools such as Draftworx® for financial reporting in compliance with IFRS, Arbutus Analyzer® for advanced data analysis, and easyVouching® for automating audit procedures on electronic invoices. Additionally, ROSS Auditores y Consultores has strategic alliances with leading providers of audit and risk management software.
Their commitment is to strengthen corporate governance and transparency, delivering value to their clients through innovative and effective solutions.
GGI member firm ROSS Auditores y ConsultoresQuito, EcuadorT: +593 2 600 0456
Jorge AmayaContact Jorge.
Auditing & Accounting, Tax, Advisory, Corporate Finance
R.T. Marke, part of the Sumer Group, is an accountancy firm with a growth mindset which has been helping businesses and owners prosper for over 40 years.
The business has grown rapidly and our aim is now to be the number one choice for business owners in the Devon and Cornwall, with a particular focus on entrepreneurial business owners looking to maximise the potential of their organizations.
R.T. Marke’s success is owed to the fact that they understand what is important to small and medium sized business owners, and they take time to really get to know each and every one of their clients.
GGI member firm RT Marke & Co. Bideford, UKT: +44 1237 472 332
Neil MarkeContact Neil. Company Language: English
From offices in Ipswich, Bury St Edmunds and Colchester, Scrutton Bland, part of the Sumer Group, serves a range of clients across East Anglia. From small owner-managed businesses to large corporate organisations, they offer professional advice for both business and personal finances.
Their experienced team is made up of 18 partners and over 150 specialists offering accountancy, audit, corporate finance, and tax advice services.
Offering more than just technical advice - they believe in building long-term relationships with their clients and adding value through a personal and bespoke service.
By treating their clients’ wealth like their own, and never drawing a line between personal and professional, their advice is tailored to support client’s financial goals both now and for the future.
GGI member firm Scrutton BlandIpswich, UKT: +44 330 058 6559
Jason FayersContact Jason.
Simmons Gainsford, founded in 1948 and part of the Sumer Group, is a multi-disciplinary firm of chartered accountants and business advisers with head office in London.
A member of Sumer, a collaboration of leading regional accountancy practices, Simmons Gainsford provides comprehensive services with a high level of personal touch and partner engagement.
Serving privately-owned businesses, from start-ups to enterprises exceeding GBP 500m turnover, the firm supports clients at every business stage, specialising in practical advice, strategic planning, and helping clients to expand both nationally and internationally.
The firm has a strong focus on inward investment to the UK, particularly from Asia and Europe, supported by multilingual experts with regional links, and also leveraging Gibraltar as an ideal hub for growth.
In addition to accountancy, audit, and tax, Simmons Gainsford offers expertise in capital allowances, credit management, financial services, insurance, and procurement.
GGI member firmSimmons GainsfordLondon, UKT: +44 20 7447 9000
Nick WellerContact Nick.
Sumer NI is one of the largest accountancy firms in Northern Ireland, with 9 Partners and over 100 staff.
Working across public and private sectors, they understand that every business is unique, which is why they offer a range of innovative solutions that are tailored to their clients’ specific needs.
From audit services and bespoke tax planning through to advising you on succession planning, they have the tools and expertise to build resilience and help businesses succeed.
Since 2024, they are part of GGI-member Sumer, a collaboration of renowned regional accountancy practices with a shared vision to champion local small to medium-sized enterprises. By bringing together the best in business services, Sumer retains the value that community-based practices offer and combines this with the scale, breadth of expertise and technologies that only a national organisation can muster.
GGI member firm Sumer NIBelfast, Northern IrelandT: +44 28 9024 9222
Brian ClerkinContact Brian.
