Company lists · Data refreshed September 2026

Top 25 Accounting consultancies based in Southampton, United Kingdom

Name: Accounting consultancies based in Southampton, United Kingdom
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 22, 2026 54 companies tracked

RevenueBase identified 54 accounting consultancies headquartered in Southampton, United Kingdom as of September 2026 and tracks 407 professional contacts across them, including 137 with verified work emails. London is the largest hub.

This list covers accounting consultancies headquartered in Southampton, United Kingdom, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 22, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.

How to read this list HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 22, 2026 86% judged on-target in blind review

54Companies

407Contacts tracked

137Verified emails

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The 25 largest accounting consultancies based in Southampton, United Kingdom

Ranked by team size

Top 25 of 54 accounting consultancies based in Southampton, United Kingdom, ranked by team size, largest first. Data refreshed Sep 22, 2026. RevenueBase Smart Search rates how each company's information relates to accounting consultancies: strong evidence (its own description names it), partial (names part of it), indirect (matched on the rest of its profile rather than the description shown). Click a contact count to view that company's people.
#	Company	RevenueBase Smart Search	Headquarters	Employees	Contacts
1	HJS Accountants	Indirect evidence	Southampton, United KingdomHQ checked Sep 22, 2026	51-200	77 contacts →
	Indirect evidence “If you are looking for a team of reliable, approachable, and proactive accountants and business advisers, who will work alongside you to help you succeed, then we can help.” Source: RevenueBase Database · checked Sep 22, 2026
2	Langdowns DFK LTD	Indirect evidence	Southampton, United KingdomHQ checked Sep 22, 2026	11-50	40 contacts →
	Indirect evidence “Accountants & Business Advisors with offices in Southampton, Basingstoke and Andover.” Source: RevenueBase Database · checked Sep 22, 2026
3	Fiander Tovell	Indirect evidence	Southampton, United KingdomHQ checked Sep 22, 2026	11-50	24 contacts →
	Indirect evidence “We specialise in providing proactive, value-for-money accountancy services to privately-owned businesses and individuals, built around the core values of looking after your…” Source: RevenueBase Database · checked Sep 22, 2026
4	Avonglen Limited	Indirect evidence	Southampton, United KingdomHQ checked Sep 22, 2026	11-50	19 contacts →
	Indirect evidence “Avonglen is a team of strategically minded and commercially astute Finance Directors who work alongside business owners and CEOs across many sectors.” Source: RevenueBase Database · checked Sep 22, 2026
5	Basra & Basra LTD	Indirect evidence	Southampton, United KingdomHQ checked Sep 22, 2026	1-10	16 contacts →
	Indirect evidence “Basra & Basra is an experienced and proactive firm of chartered accountants, registered auditors, tax specialists and business advisors with a leading commercial edge.” Source: RevenueBase Database · checked Sep 22, 2026
6	Shms Accountants	Indirect evidence	Southampton, United KingdomHQ checked Sep 22, 2026	11-50	12 contacts →
	Indirect evidence “At SHMS Accountants, our focus is offer the best financial advice and an honest service guaranteed every time!” Source: RevenueBase Database · checked Sep 22, 2026
7	Pandey & CO Limited	Indirect evidence	Southampton, United KingdomHQ checked Sep 22, 2026	1-10	7 contacts →
	Indirect evidence “Pandey & Co Ltd \| Chartered Accountants & Business Advisors UK-based \| Tax Planning \| Business Advisory \| Financial Clarity At Pandey & Co, we’re not your typical accountants.” Source: RevenueBase Database · checked Sep 22, 2026
8	JSR Management & HR Consultancy Services LTD	Indirect evidence	Southampton, United KingdomHQ checked Sep 22, 2026	1-10	6 contacts →
	Indirect evidence “JSR MANAGEMENT & HR CONSULTANCY SERVICES LTD is an accountancy company based out of Southampton catering for the whole of the UK.” Source: RevenueBase Database · checked Sep 22, 2026
9	Genio Accountants	Indirect evidence	Southampton, United KingdomHQ checked Sep 22, 2026	1-10	5 contacts →
	Indirect evidence “Friendly Accountants in Southampton, Xero and Sage experts, specialising in helping owner managed businesses become more tax efficient and dealing with all the boring stuff” Source: RevenueBase Database · checked Sep 22, 2026
10	Hayhursts	Indirect evidence	Southampton, United KingdomHQ checked Sep 22, 2026	11-50	4 contacts →
	Indirect evidence “Looking for an accountant?” Source: RevenueBase Database · checked Sep 22, 2026
11	Shms Contracting	Partial evidence	Southampton, United KingdomHQ checked Sep 22, 2026	1-10	4 contacts →
	Partial evidence “Our mission is to provide reliable, honest and trustworthy CIS and accounting services which offer fantastic value for money to contractors and interims in the UK working across a…” Source: RevenueBase Database · checked Sep 22, 2026
12	Integrate Accountants & TAX Advisers	Indirect evidence	Southampton, United KingdomHQ checked Sep 22, 2026	1-10	3 contacts →
	Indirect evidence “Integrate is an accountancy firm, based in Southampton.” Source: RevenueBase Database · checked Sep 22, 2026
13	Hatch Accountancy	Partial evidence	Southampton, United KingdomHQ checked Sep 22, 2026	1-10	3 contacts →
	Partial evidence “Hatch Accountancy was established in 2014 with the aim of making tax and accounting simple.” Source: RevenueBase Database · checked Sep 22, 2026
14	M Squared Accounting LTD	Partial evidence	Southampton, United KingdomHQ checked Sep 22, 2026	1-10	3 contacts →
	Partial evidence “M Squared Accounting Ltd is based in the heart of Botley, a charming market town on the outskirts of Southampton.” Source: RevenueBase Database · checked Sep 22, 2026
15	The Millions Chartered Certified Accountants	Indirect evidence	Southampton, United KingdomHQ checked Sep 22, 2026	1-10	3 contacts →
	Indirect evidence “Finance & Accountancy • Accountancy services pro, systems design & implementation together with the IT & related MIS sys & processes.” Source: RevenueBase Database · checked Sep 22, 2026
16	The Bookkeeping Team	Indirect evidence	Southampton, United KingdomHQ checked Sep 22, 2026	1-10	3 contacts →
	Indirect evidence “Is bookkeeping last on your to-do list, after the washing up?” Source: RevenueBase Database · checked Sep 22, 2026
17	Roger Smallman & CO Limited	Indirect evidence	Southampton, United KingdomHQ checked Sep 22, 2026	11-50	3 contacts →
	Indirect evidence “Roger Smallman & Co Accountants provide tax accountancy services and advice.” Source: RevenueBase Database · checked Sep 22, 2026
18	Accountableuk	Partial evidence	Southampton, United KingdomHQ checked Sep 22, 2026	1-10	3 contacts →
	Partial evidence “AccountableUK is an accounting company based out of 31 Bassett Cres East, Southampton, SO16 7PD, United Kingdom.” Source: RevenueBase Database · checked Sep 22, 2026
19	Power Accountax	Indirect evidence	Southampton, United KingdomHQ checked Sep 22, 2026	1-10	3 contacts →
	Indirect evidence “Chartered Accountants and Registered Auditors.” Source: RevenueBase Database · checked Sep 22, 2026
20	EWC Accountants Limited	Indirect evidence	Southampton, United KingdomHQ checked Sep 22, 2026	1-10	2 contacts →
	Indirect evidence “We are an independent of chartered certified accountants servicing Hampshire, Isle of Wight and surrounding areas.” Source: RevenueBase Database · checked Sep 22, 2026
21	Switch Accounting	Partial evidence	Southampton, United KingdomHQ checked Sep 22, 2026	1-10	2 contacts →
	Partial evidence “Switch Accounting was set up by a team of chartered management accountants to provide small businesses with the same access to tax-saving advice that big businesses have always…” Source: RevenueBase Database · checked Sep 22, 2026
22	Octave Accountants	Indirect evidence	Southampton, United KingdomHQ checked Sep 22, 2026	1-10	1 contacts →
	Indirect evidence “At Octave, we’ve been up and down the scale of accountancy challenges, guiding companies from the size of a one-man band to that of several symphony orchestras, for more than 20…” Source: RevenueBase Database · checked Sep 22, 2026
23	Idyll Accounting	Partial evidence	Southampton, United KingdomHQ checked Sep 22, 2026	1-10	1 contacts →
	Partial evidence “With three generations of accountants and bookkeepers we can proudly say that accounting runs in our blood.” Source: RevenueBase Database · checked Sep 22, 2026
24	365 Accounts LTD	Partial evidence	Southampton, United KingdomHQ checked Sep 22, 2026	1-10	1 contacts →
	Partial evidence “365 Accounts Ltd is an accounting company based out of Southampton, United Kingdom.” Source: RevenueBase Database · checked Sep 22, 2026
25	The Accounting Studio	Indirect evidence	Southampton, United KingdomHQ checked Sep 22, 2026	1-10	1 contacts →
	Indirect evidence “Specialist small business chartered accountants based in Southampton, Hampshire” Source: RevenueBase Database · checked Sep 22, 2026

RevenueBase Smart Search

RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: accounting consultancies. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.

Strong evidence: The company's own public description of its business names accounting consultancies.
Partial evidence: Its own public description names part of accounting consultancies, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name accounting consultancies. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.

RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.

Showing 25 of 54 accounting consultancies based in Southampton, United Kingdom

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Accounting consultancies based in Southampton, United Kingdom at a glance

As of Sep 22, 2026

33.7%Verified-email coverage

7.5Average contacts per company

1-10Median size (employees)

5164.8%Largest-city concentration · London

Sep 22, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

Email recency for this list is measured across the whole United Kingdom list rather than for Southampton, so it is reported there. Company counts and contact totals on this page are exact for Southampton, over 54 companies.

How this list was built

Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among accounting consultancies, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.

Source: The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
What qualifies: Companies headquartered in Southampton, United Kingdom whose own description of what they do matches “accounting consultancies”. Matching reads each company's description, not its industry code or its name.
RevenueBase Smart Search: RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names accounting consultancies), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
What we exclude: Companies whose own description does not clearly place them among accounting consultancies, and records with no verified work email. Companies headquartered outside Southampton are excluded even when they keep an office there.
Match quality: In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
Ranking: Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
Verification: Every listed company carries at least one verified work email, 137 across the full list. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
Refresh: This page's figures were pulled from the company graph on September 22, 2026. Lists refresh periodically as the graph is re-checked.
Corrections: Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.

Accounting consultancies by metro in the United Kingdom

Frequently asked

What is RevenueBase Smart Search?

RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names accounting consultancies, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.

How many accounting consultancies are there based in Southampton, United Kingdom?

RevenueBase identified 54 accounting consultancies headquartered in Southampton, United Kingdom as of September 2026, matched on each company's own description of what it does rather than its industry code.

What is the largest company on this list?

HJS Accountants, headquartered in Southampton, tops this list with the largest team on record.

Which city has the most accounting consultancies?

London leads with 2789 headquartered companies, followed by Manchester (267) and Birmingham (199).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 137 verified decision-maker contacts tracked across these 54 companies.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 22, 2026.

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About this data

RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase Smart Search, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.