Company lists · Data refreshed September 2026

Top 25 Federal consulting firms based in New Zealand

Name: Federal consulting firms based in New Zealand
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 2, 2026 52 companies tracked

RevenueBase identified 52 federal consulting firms headquartered in New Zealand as of September 2026 and tracks 292 professional contacts across them, including 139 with verified work emails and 17 with mobile numbers. Wellington is the largest hub.

This list covers federal consulting firms headquartered in New Zealand, 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, how directly it supports the match, and when it was last checked. Data refreshed September 2, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, 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 Match evidence on every row Refreshed Sep 2, 2026 86% judged on-target in blind review

52Companies

292Contacts tracked

139Verified emails

17Mobile numbers

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The 25 largest federal consulting firms based in New Zealand

Ranked by team size

Top 25 of 52 federal consulting firms based in New Zealand, ranked by team size, largest first. Data refreshed Sep 2, 2026. Evidence rates how directly each company's own description names federal consulting firms: strong (names it), partial (names part of it), indirect (matched on its full profile rather than the summary shown). Click a count to unlock that company's people.
#	Company	Headquarters	Employees	Contacts
1	Optimation GroupIndirect evidence	Wellington, New Zealand	201-500	91
	“Optimation and Presto Resourcing are part of the Optimation Group of companies.” Source: company website · checked Sep 2, 2026
2	Redvespa Consultants LimitedIndirect evidence	Wellington, New Zealand	51-200	50
	“Unleashing business potential.” Source: company website · checked Sep 2, 2026
3	Zephyr ConsultingPartial evidence	Wellington, New Zealand	11-50	23
	“We’re an independent NZ owned company specialising in the provision of business & information technology consulting, to help grow your company’s business potential.” Source: company website · checked Sep 2, 2026
4	Link Consulting Group LimitedPartial evidence	Wellington, New Zealand	1-10	8
	“Link Consulting is a collaboration of highly skilled professionals who have great experience and longevity in ICT and Management.” Source: company website · checked Sep 2, 2026
5	LikemindIndirect evidence	Wellington, New Zealand	11-50	7
	“Likemind works with people who share our approach to work and to living… We are exceptionally proud to be an approved All of Government (AOG) provider of services across a number…” Source: company website · checked Sep 2, 2026
6	Nova ConsultingIndirect evidence	Cambridge, New Zealand	11-50	6
	“We aim to provide an innovative approach to solving complex problems.” Source: company website · checked Sep 2, 2026
7	Morrison LOWPartial evidence	Auckland, New Zealand	11-50	5
	“Morrison Low is an Australasian management consulting firm with offices in Auckland, Wellington and Sydney.” Source: company website · checked Sep 2, 2026
8	Rawson Consulting LimitedPartial evidence	Wellington, New Zealand	1-10	5
	“Rawson Consulting Limited is a management consultancy offering project management and business change, business process improvement and financial analysis services to the public…” Source: company website · checked Sep 2, 2026
9	SagebushIndirect evidence	Wellington, New Zealand	1-10	4
	“SageBush are public sector specialists.” Source: company website · checked Sep 2, 2026
10	ForeconsultingPartial evidence	Wellington, New Zealand	1-10	3
	“Established in 2011, ForeConsulting is a New Zealand based management consulting company.” Source: company website · checked Sep 2, 2026
11	Black Swan Consultancy NEW ZealandIndirect evidence	Tarras, New Zealand	1-10	3
	“Whether you need cash flow, rethink of IT, better approach to contracting or a leaner approach … We can help.” Source: company website · checked Sep 2, 2026
12	Chard Consulting LimitedPartial evidence	Palmerston North, New Zealand	1-10	3
	“At Chard Consulting Ltd, we help clients make and sustain complex change, applying our experience in: o Strategy and business development o Service and organisational design o…” Source: company website · checked Sep 2, 2026
13	RDC Group LTDPartial evidence	Wellington, New Zealand	1-10	3
	“RDC Group Ltd was formed in October 2016 to deliver outstanding consulting services to the public sector in New Zealand and overseas.” Source: company website · checked Sep 2, 2026
14	Rachel BainPartial evidence	Lower Hutt, New Zealand	1-10	2
	“Condurre provides business and IT strategy management consulting services to Government, Financial Services Industry and Financial Markets.” Source: company website · checked Sep 2, 2026
15	Systems Thinking LimitedPartial evidence	Wellington, New Zealand	1-10	2
	“Professional Management Consulting Services focused on IT and Digital Business.” Source: company website · checked Sep 2, 2026
16	Quadrant SolutionsIndirect evidence	Wellington, New Zealand	1-10	2
	“WE MAY PLAY HARD BUT WE WORK EVEN HARDER.” Source: company website · checked Sep 2, 2026
17	Technology Systems Design International LimitedIndirect evidence	Paraparaumu, New Zealand	1-10	2
	“TSD International Limited provides expert Information Technology advice and focused business solutions.” Source: company website · checked Sep 2, 2026
18	Achieve Group LTDPartial evidence	Wellington, New Zealand	1-10	1
	“Achieve Group Ltd is a consulting company based in Wellington, New Zealand.” Source: company website · checked Sep 2, 2026
19	Brock IT ConsultantsIndirect evidence	Auckland, New Zealand	1-10	1
	“Our consultants are all senior experienced IT industry experts Architecture - Service Delivery - Project Management & Programme Analysis - Cloud Experts” Source: company website · checked Sep 2, 2026
20	Arben ConsultingIndirect evidence	Wellington, New Zealand	1-10	1
	“Arben is about business.” Source: company website · checked Sep 2, 2026
21	Masimaya LimitedPartial evidence	Auckland, New Zealand	1-10	1
	“Consulting and professional services company.” Source: company website · checked Sep 2, 2026
22	Tech Intelligence LTDPartial evidence	Auckland, New Zealand	1-10	1
	“Technology implementation and change management consulting, delivering technology solutions and enhancing business systems.” Source: company website · checked Sep 2, 2026
23	Robbie Benden ConsultingPartial evidence	Christchurch, New Zealand	1-10	1
	“Management and Compliance consulting services in Christchurch, New Zealand.” Source: company website · checked Sep 2, 2026
24	Jalp Consulting LTDIndirect evidence	New Zealand	1-10	1
	“Jendi has a passion for the growth and development of people, businesses, and projects.” Source: company website · checked Sep 2, 2026
25	Conexus Consulting LimitedIndirect evidence	Auckland, New Zealand	1-10	1
	“Experience.” Source: company website · checked Sep 2, 2026

Showing 25 of 52 federal consulting firms based in New Zealand

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Federal consulting firms based in New Zealand at a glance

As of Sep 2, 2026

1-10Median size (employees)

WellingtonLargest hub · 23 HQs

17Contacts with mobile numbers

Sep 2, 2026Data refreshed

Companies by employee count

1-10

11-50

51-200

201-500

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 federal consulting firms, so some rows will be adjacent to the category rather than pure plays. The description and evidence 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 SmartSearch, the natural-language company search available to every RevenueBase user.
What qualifies: Companies headquartered in New Zealand whose own description of what they do matches “federal consulting firms”. Matching reads each company's description, not its industry code or its name.
What we exclude: Companies whose own description does not clearly place them among federal consulting firms, and records with no verified work email. Companies headquartered outside New Zealand 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 an evidence 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, 139 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 2, 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.

Frequently asked

How many federal consulting firms are there based in New Zealand?

RevenueBase identified 52 federal consulting firms headquartered in New Zealand 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?

Optimation Group, headquartered in Wellington, tops this list with the largest team on record.

Which city has the most federal consulting firms?

Wellington leads with 23 headquartered companies, followed by Auckland (11) and Cambridge (2).

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 139 verified decision-maker contacts tracked across these 52 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 2, 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 SmartSearch, 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.