Insights

International Investment Focus Simmons Gainsford's strong emphasis on inward investment from Asian and Eastern European markets presents a significant opportunity to offer specialized advisory services, technology solutions, and market entry support to foreign firms looking to expand into the UK.

Growth Through Mergers Recent acquisitions and strategic partnerships, such as the selection of Defries Weiss and collaboration with Riordan O’Sullivan & Co, indicate a readiness to integrate additional service lines and expand client reach, offering potential for targeted cross-selling and technology integration services.

Leadership Expansion The promotion of multiple partners and recent hiring of a corporate tax partner highlight a focus on strengthening leadership. This creates opportunities to provide executive training solutions, leadership development tools, or bespoke software to support their growth ambitions.

Technology Adoption Utilizing advanced platforms like Google Analytics, DocuSign, and Cloudflare, the firm demonstrates openness to digital transformation, offering a pathway for promoting innovative accounting technologies, automation tools, and cybersecurity solutions tailored to their evolving needs.

SME Market Engagement With a client base comprising mainly privately-owned businesses and a revenue range of $10M-$25M, Simmons Gainsford presents a prime opportunity to offer cloud-based accounting solutions, financial software, and business advisory services aimed at scaling mid-market companies globally.

Similar companies to Simmons Gainsford, part of the Sumer Group

Simmons Gainsford, part of the Sumer Group Tech Stack

Simmons Gainsford, part of the Sumer Group uses 8 technology products and services including HubSpot Analytics, Cookiebot, Google Cloud, and more. Explore Simmons Gainsford, part of the Sumer Group's tech stack below.

  • HubSpot Analytics
    Analytics
  • Cookiebot
    Cookie Compliance
  • Google Cloud
    Infrastructure As A Service
  • jQuery
    Javascript Libraries
  • HubSpot
    Marketing Automation
  • Piwik
    System Analytics & Monitoring
  • ZURB Foundation
    UI Frameworks
  • WP-PageNavi
    Web Platform Extensions

Media & News

Simmons Gainsford, part of the Sumer Group's Email Address Formats

Simmons Gainsford, part of the Sumer Group uses at least 1 format(s):
Simmons Gainsford, part of the Sumer Group Email FormatsExamplePercentage
First.Last@sgllp.co.ukJohn.Doe@sgllp.co.uk
49%
First.Middle@sgllp.co.ukJohn.Michael@sgllp.co.uk
1%
First.L@sgllp.co.ukJohn.D@sgllp.co.uk
1%
First.Last@sgllp.co.ukJohn.Doe@sgllp.co.uk
49%

Frequently Asked Questions

Where is Simmons Gainsford, part of the Sumer Group's headquarters located?

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Simmons Gainsford, part of the Sumer Group's main headquarters is located at 33 Cavendish Square 14th Floor London, England United Kingdom. The company has employees across 2 continents, including EuropeNorth America.

What is Simmons Gainsford, part of the Sumer Group's phone number?

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You can contact Simmons Gainsford, part of the Sumer Group's main corporate office by phone at . For more prospecting data, LeadIQ has access to up-to-date and accurate contact information within our platform. Find, capture, and sync contact data to your CRM and sales tools in one click.

What is Simmons Gainsford, part of the Sumer Group's official website and social media links?

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Simmons Gainsford, part of the Sumer Group's official website is sgllp.co.uk and has social profiles on LinkedIn.

What is Simmons Gainsford, part of the Sumer Group's SIC code NAICS code?

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Simmons Gainsford, part of the Sumer Group's SIC code is 8721 - Accounting, Auditing, and Bookkeeping Services NAICS code is 5412 - Accounting, Tax Preparation, Bookkeeping, and Payroll Services.

How many employees does Simmons Gainsford, part of the Sumer Group have currently?

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As of March 2026, Simmons Gainsford, part of the Sumer Group has approximately 154 employees across 2 continents, including EuropeNorth America. Key team members include Partner: A. H.Partner/Member: J. D.Associate Partner: L. D.. Explore Simmons Gainsford, part of the Sumer Group's employee directory with LeadIQ.

What industry does Simmons Gainsford, part of the Sumer Group belong to?

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Simmons Gainsford, part of the Sumer Group operates in the Accounting industry.

What technology does Simmons Gainsford, part of the Sumer Group use?

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Simmons Gainsford, part of the Sumer Group's tech stack includes HubSpot AnalyticsCookiebotGoogle CloudjQueryHubSpotPiwikZURB FoundationWP-PageNavi.

What is Simmons Gainsford, part of the Sumer Group's email format?

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Simmons Gainsford, part of the Sumer Group's email format typically follows the pattern of First.Last@sgllp.co.uk. Find more Simmons Gainsford, part of the Sumer Group email formats with LeadIQ.

When was Simmons Gainsford, part of the Sumer Group founded?

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Simmons Gainsford, part of the Sumer Group was founded in 1948.

Simmons Gainsford, part of the Sumer Group

AccountingEngland, United Kingdom51-200 Employees

Simmons Gainsford is a multi-disciplinary firm of chartered accountants and business advisers. The firm was established in 1948 and currently has 25 Partners and Associate Partners and over 150 staff.  Our main office is in Central London, with additional offices in North London, Sussex, and Gibraltar. Our core client group consists of successful, privately-owned businesses ranging from start-ups to businesses with turnover in excess of £100m. Over the years we have helped many of these clients to grow nationally and internationally.

In December 2023, Simmons Gainsford joined the Sumer Group, the UK and Ireland’s leading mid-market accountancy practice delivering professional support to small and medium-sized enterprises (SMEs). It is a top 15 UK accountancy practice consisting of over 2,500 people across more than 50 UK offices.

A key focus of our business is inward investment to the UK, especially from the emerging Asian and Eastern European markets. Our multilingual Partners and team members have strong links in these jurisdictions and are ideally placed to help businesses seeking to trade in and with the UK.

We also have extensive experience in dealing with the personal taxation affairs of foreign nationals residing or working in the UK. And, with our Gibraltar office, we are perfectly placed to advise UK nationals looking to establish residence in Gibraltar.

Beyond accountancy, audit, and tax, we regularly advise clients on broader business requirements. Within the group we have several businesses that provide specialist expertise in the areas of Capital Allowances, Credit Management, Financial Services, Insurance, and Procurement.

Section iconCompany Overview

Headquarters
33 Cavendish Square 14th Floor London, England United Kingdom
Phone number
SIC Code
8721 - Accounting, Auditing, and Bookkeeping Services
NAICS Code
5412 - Accounting, Tax Preparation, Bookkeeping, and Payroll Services
Founded
1948
Employees
51-200

Section iconFunding & Financials

  • $10M$25M

    Simmons Gainsford, part of the Sumer Group's revenue is estimated to be in the range of $10M$25M

Section iconFunding & Financials

  • $10M$25M

    Simmons Gainsford, part of the Sumer Group's revenue is estimated to be in the range of $10M$25M

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