Best SEO Agencies for Website Migrations in Australia

Direct answer

For businesses comparing the best SEO agencies for website migrations in Australia, StudioHawk is the strongest overall choice on the available evidence because it explicitly offers SEO migrations, focuses on technical SEO and complex eCommerce sites, and has independent award corroboration. SIXGUN is the safer alternative where independently verified migration feedback matters most: a verified client describes redirect implementation, analytics setup and continued search enquiries after migration. The trade-off is operating model. StudioHawk is an SEO-focused partner for substantial organic-search projects; SIXGUN suits buyers wanting a more boutique, collaborative technical team with paid-media capability. No agency can guarantee traffic preservation or rankings after a migration.

Editorial and ownership disclosure

Best SEO Agency Australia is owned by Searchmaxxed. Searchmaxxed is included in this ranking and may benefit commercially if readers contact it.

That relationship does not change the evidence standard used here. Searchmaxxed is scored against the same migration-specific criteria as every other agency and is not ranked first because the supplied public evidence documents its methodology more clearly than its named, quantified migration outcomes.

How we selected and scored the agencies

A website migration is any substantial change affecting URLs, domains, platforms, site architecture, templates, content, international targeting or rendering. The SEO risk is not merely “losing rankings”: it includes broken redirects, indexation changes, lost canonical signals, duplicated content, analytics gaps, poor internal linking and conversion tracking failures.

We scored the agencies using publicly available evidence only:

This is not a universal “best agency” league table. It is a migration-specific editorial assessment of eight agencies in the supplied evidence set. Agency-published results are labelled as such and are not treated as independently audited. Where migration proof was limited, agencies scored lower even if their broader SEO credentials were substantial.

For a wider implementation comparison, see our guide to SEO agencies for website and SEO implementation. If the project is fundamentally a rebuild, the more relevant comparison may be website redesign SEO agencies in Australia.

Quick comparison

Ranked list

1. StudioHawk — complex eCommerce and enterprise migration fit

Best for: Retailers, large-catalogue eCommerce sites and internal marketing teams that need an SEO-focused partner for a platform, architecture or domain migration.

Why it ranked: StudioHawk ranks first because SEO migrations are an explicit service, alongside technical SEO, eCommerce SEO, international SEO, content and digital PR. Its public positioning also makes direct practitioner access and a no-long-term-lock-in approach unusually clear, which can matter when developers and SEO specialists must make rapid launch decisions. StudioHawk’s SEO services and consulting information support that operating model.

Evidence: The supplied evidence identifies public migration and post-migration recovery capability, with particular relevance to enterprise retail, information architecture and eCommerce. StudioHawk also appears in the independent 2026 APAC Search Awards winners registry, which supports current industry recognition but does not independently verify client performance.

Limitations: Most published performance outcomes remain first-party case-study claims rather than audited results, and the SEO-focused model will not suit buyers seeking one agency for paid media, lifecycle marketing and broad creative work. Its published starting-price position is also unlikely to suit very-low-budget SEO buyers. StudioHawk’s public service and pricing information should be checked against the actual migration scope.

Not ideal for: A microbusiness seeking a low-cost package or a buyer wanting one supplier to run paid media, social, CRM, creative and SEO. StudioHawk’s public positioning is deliberately centred on SEO rather than a full-service model.

2. SIXGUN — independently corroborated migration delivery

Best for: Organisations that want evidence of practical redirect and analytics work, particularly where a collaborative SEO partner is preferred over a large agency structure.

Why it ranked: SIXGUN has the clearest independently verified migration-specific feedback in this comparison. A verified client describes migration redirects completed without corrupted links, GA4 and GTM configuration, preserved first-page visibility and continued search enquiries. That is stronger migration relevance than generic technical-SEO claims alone. Read the verified client feedback on Clutch.

Evidence: SIXGUN’s public materials also show technical, local, enterprise and paid-search capability. Its published case studies provide useful context on reporting periods and outcomes, although those figures are agency-published. SIXGUN’s McKean McGregor case study and Essendon Natural Health case study are relevant examples of its broader SEO work.

Limitations: One verified healthcare client indicated that specialist knowledge of AHPRA advertising requirements could be stronger. Public case-study metrics are still agency-published, and no public SEO fee schedule or minimum contract term was located. SIXGUN’s Clutch profile is useful corroboration, but it is not a substitute for speaking to a comparable reference.

Not ideal for: Regulated healthcare businesses unwilling to review copy carefully, buyers requiring fixed public pricing, or organisations seeking a large global agency network. The verified reviews support a more hands-on agency relationship rather than a network-agency model.

3. Excite Media — conversion-led rebuilds for service businesses

Best for: Professional services, healthcare and local businesses that need a new website, conversion improvements and SEO coordinated as one project.

Why it ranked: Excite Media’s evidence is more redesign- and conversion-oriented than migration-specific, but that is often the practical buyer need. The agency publicly documents web design, development, SEO, local SEO, conversion optimisation and a structured account-management process. This gives it a credible fit for businesses replacing a low-performing site rather than moving a large international eCommerce catalogue.

Evidence: Excite Media reports a 69.4% conversion increase, a 41.5% traffic increase and approximately 13,000 additional new users over five months for John Barnes following SEO work; these are agency-reported, not independently audited. The John Barnes case study provides the comparison period and methodology context. Its Denning Insurance Law example also connects a conversion-led rebuild with technical, on-page, content and authority work. Read the Denning case study.

Limitations: The available case-study outcomes are agency-published, not independently audited. The evidence supplied for this review did not include verified Clutch reviews, and its broad full-service scope may be unnecessary for a buyer needing only narrow technical migration consultancy. Excite Media’s success-story archive should be treated as first-party evidence.

Not ideal for: Businesses seeking a pure technical SEO consultant, a fixed public package, or independently verified review depth as a mandatory procurement requirement. Excite Media’s public case studies support website-and-SEO work, rather than a narrowly defined migration-only offer.

4. Salt & Fuessel — integrated web, UX and acquisition migration projects

Best for: Small and mid-market businesses that want website development, user-experience work, SEO and paid acquisition coordinated during a migration.

Why it ranked: Salt & Fuessel’s appeal is integration. It publicly combines web development, UX research, conversion optimisation, SEO, paid media and AI-search visibility work. That can reduce handover risk when a migration includes a new design, new CMS and changes to lead-generation journeys. Its SEO service page and Clutch profile support that multi-disciplinary offer.

Evidence: A verified Clutch reviewer for Punchy Digital Media reports more than 20 qualified leads per month, 43% higher website traffic and improved conversion rates from SEO, Google Ads and UX/UI work. This is client-reported feedback, not a migration-specific audited study. See the Salt & Fuessel reviews.

Limitations: Salt & Fuessel’s public AI-search case study is self-reported and uses UpSearch, a platform the agency says is maintained by its lead GEO specialist; it is not independent validation. Review feedback also indicates that clients need to invest meaningful time and energy in the relationship. Its AI-search visibility case study should therefore be interpreted cautiously.

Not ideal for: Buyers wanting a passive supplier relationship, independently validated GEO measurement, or an engagement that avoids deliverable-based SEO packages. Its public SEO approach indicates a collaborative planning model.

5. Searchmaxxed — migration projects with SEO, AEO and GEO requirements

Best for: Growth-stage SaaS, B2B, eCommerce and service businesses that want a migration to improve technical SEO, commercial-page architecture, entity clarity and measurement across conventional and AI-assisted search.

Why it ranked: Searchmaxxed publicly documents technical work covering redirects, canonicals, crawlability, indexation, rendering, schema, sitemaps and site architecture. It also connects those foundations with AEO and GEO. AEO means answer engine optimisation: structuring evidence and pages so answer engines can interpret them more easily. GEO means generative engine optimisation: improving a brand’s source and entity signals for generative-search environments. Neither practice guarantees inclusion in AI Overviews or citations by AI tools. Searchmaxxed’s public methodology describes this combined model.

Evidence: The public offer includes technical implementation, commercial-page strategy, source and proof-layer work, AI-search visibility baselining and managed improvement loops. Its About page sets out its audit-first approach and implementation focus.

Limitations: The supplied public evidence does not include a named, quantified client migration outcome. Searchmaxxed also uses custom diagnostic-led pricing rather than fixed packages or published representative ranges, and its public dossier does not establish team scale, offices, awards, reviews or independent performance corroboration. Searchmaxxed’s pricing page confirms the custom-scope model.

Not ideal for: Buyers who require extensive independently reviewed migration case studies before shortlisting, fixed pricing before diagnosis, or guarantees about rankings, AI Overviews or AI citations. Searchmaxxed’s public materials expressly frame search outcomes as subject to factors outside agency control.

6. Prosperity Media — competitive SEO migration follow-through

Best for: Mid-market and enterprise businesses that need technical SEO, content and digital PR after a complex migration, particularly in finance, eCommerce, B2B, SaaS or marketplace categories.

Why it ranked: Prosperity Media has a strong public SEO, content and digital PR proposition, with industry-category relevance that can be valuable when a migration must preserve or rebuild authority as well as technical access. Its public material also describes an hourly-allocation model and commercially measured work. Prosperity Media’s homepage and growth-study library provide the supporting evidence.

Evidence: The agency’s case-study library contains named commercial examples, and it appears in the independent 2025 APAC Search Awards winners registry. That supports recognition, not an independent audit of revenue or traffic claims.

Limitations: Migration-specific public proof was weaker than the agencies above it. Most commercial outcomes are first-party claims, current team size is not clear in the reviewed sources, and no public base hourly rate was located. Prosperity Media’s growth studies should be assessed alongside a migration plan and relevant client references.

Not ideal for: Businesses wanting paid media, social, CRM and broad creative under one supplier, or very-low-budget SEO buyers seeking a fixed low-cost package. Prosperity Media’s service positioning is concentrated on SEO, content and digital PR.

7. Online Marketing Gurus — multi-channel migration measurement

Best for: ECommerce and consumer brands that need SEO, paid media, landing-page work and analytics connected through a migration.

Why it ranked: Online Marketing Gurus offers broad coverage across SEO, generative engine optimisation, paid search, paid social, landing-page work, content, links and analytics. That can suit organisations where the migration affects paid landing pages, attribution and broader acquisition reporting as well as organic visibility. OMG’s homepage and company overview describe that model.

Evidence: OMG reports a 142% increase in organic revenue for Calvin Klein Australia in an eCommerce case-study roundup. This is agency-published, with limited methodological detail in the reviewed source, and is not presented here as audited migration proof. Read the eCommerce case-study roundup.

Limitations: The full-service structure is less focused than an SEO-only migration partner. Public standard SEO pricing, exact client-to-specialist ratios and independently audited case-study data were not located. OMG’s public company information should be supplemented by delivery-team and contract questions.

Not ideal for: Buyers wanting a small boutique relationship, publicly fixed SEO pricing or a purely organic-search engagement. OMG’s service breadth indicates a multi-channel rather than SEO-only operating model.

8. First Page Australia — integrated SEO and paid-acquisition projects

Best for: Established businesses that want technical SEO, content, paid acquisition and conversion work in a single broader engagement.

Why it ranked: First Page Australia has relevant technical SEO, eCommerce, local and paid-media capability, plus named case studies. It ranks lower because the supplied evidence did not establish a clear migration-specific service or independently corroborated migration outcome comparable with the agencies above.

Evidence: First Page Australia reports that iiCase’s daily organic clicks rose from 44 to 200 after technical, content, link and social work. This is an agency-published case-study claim, not independently audited, and it is not a migration example. Read the iiCase case study. Its Clutch profile provides independent context on service mix and client feedback.

Limitations: Case-study figures are agency-published. Public information reviewed for this guide left exact Australian staffing, standard contract terms, cancellation arrangements and named delivery-team structure unresolved. First Page Australia’s Clutch profile is useful background, but buyers should complete reference and contract checks.

Not ideal for: Buyers seeking a small founder-led migration consultancy, very-low-budget SEO or a provider with publicly documented migration proof as a strict requirement. The iiCase case study demonstrates broader SEO capability rather than a specific migration outcome.

Recommendations by buyer scenario

• Large eCommerce catalogue, platform replatform or international site: Shortlist StudioHawk first, then SIXGUN and Prosperity Media. Compare their redirect methodology, faceted-navigation controls, international tags, staging access and post-launch monitoring.

• Service-business website rebuild with conversion goals: Start with Excite Media or Salt & Fuessel. Both have evidence of website, UX and acquisition integration. Also review our website redesign SEO agency guide.

• Migration where independent corroboration is a procurement priority: Put SIXGUN on the shortlist because the supplied evidence includes verified client migration feedback. Ask every finalist for two references with comparable platforms, URL counts and risk profiles.

• B2B, SaaS or entity-heavy migration with AI-search concerns: Consider Searchmaxxed where the brief includes technical SEO, proof and entity consistency, alongside AEO and GEO measurement. AI Overviews are Google-generated summaries; neither SEO nor GEO providers can guarantee inclusion or citations. For a broader comparison, see the best AEO agencies in Australia.

• Major migration plus paid-media and attribution change: Consider Online Marketing Gurus, Salt & Fuessel or First Page Australia where the new site will change paid landing pages, conversion tracking and organic acquisition together.

• Complex corporate, directory or content-heavy site: Use an agency with explicit information-architecture and implementation capability, then compare against our guides to large website SEO agencies and directory website SEO agencies.

Questions to ask shortlisted agencies

1. Can you show a migration plan covering URL inventory, redirect mapping, canonical rules, XML sitemaps, robots directives, analytics and rollback ownership?
2. Who writes and tests redirect rules: your team, our developers, or a third party?
3. How will you crawl the staging site and production site before and after launch?
4. What are your acceptance criteria for redirect coverage, indexability, templates, page speed and conversion tracking?
5. How will you handle deleted pages, consolidations, PDF files, subdomains, language versions and pagination?
6. What will you monitor daily during launch week, and who has authority to pause or roll back changes?
7. Which migration outcomes have you personally managed on our CMS, platform and approximate URL scale?
8. Can you provide two relevant references, including one project that had complications?
9. What is explicitly excluded from the scope: development, copy migration, content pruning, schema, analytics or post-launch remediation?
10. How are fees structured if the URL count, technical debt or launch timetable changes?

Red flags and disqualifiers

• A provider promises that rankings or traffic will be fully preserved without first auditing the site, redirect requirements and platform constraints.
• The proposal treats redirects as a one-time spreadsheet task, with no crawl, QA, log review, indexation monitoring or rollback plan.
• The agency cannot identify who owns analytics, consent mode, GA4, GTM, Search Console and conversion-event validation.
• A migration plan omits non-HTML assets, PDFs, subdomains, international versions, internal links or canonical tags.
• The team sells “AI SEO” as a promise of AI Overview inclusion or citations. AI-search visibility can be measured and improved probabilistically; it cannot be controlled.
• The contract has unclear implementation ownership, approval gates, post-launch support or exit terms.
• The agency will not provide relevant references for a site of similar technical complexity.

FAQ

What does an SEO migration agency actually do?

A capable migration agency inventories old URLs, maps redirects, reviews staging environments, checks templates and metadata, validates analytics, monitors crawling and indexation after launch, and prioritises fixes. It should work with developers and content owners, not simply provide a checklist.

Can an agency guarantee no traffic loss after a website migration?

No. Search visibility depends on search-engine processing, site quality, technical execution, market conditions and changes made during the migration. A good agency reduces avoidable risk through preparation, testing and monitoring; it cannot guarantee outcomes.

When should SEO become involved in a website migration?

At planning and platform-selection stage, before designs, URL structures and content decisions are locked in. Bringing SEO in only before launch often leaves insufficient time to correct architecture, migration mapping and template issues.

Is a website redesign the same as a website migration?

Not always. A redesign can retain the same URLs and platform, while a migration may involve a new domain, CMS, URL pattern, hosting setup or site architecture. In practice, many redesigns still create migration risks.

Do we need AEO or GEO during a migration?

Only if AI-assisted search is relevant to your buyers and the project has room for evidence, entity and content improvements. AEO and GEO are not replacements for technical migration basics. Redirects, indexability, useful content and accurate business information come first.

What evidence matters most when selecting a migration agency?

Look for a documented migration methodology, named examples relevant to your site type, clear post-launch monitoring, transparent scope ownership and references you can call. Treat case-study percentages as useful leads for questioning, not proof on their own.

Decision rule

Choose the highest-ranked agency that can show a written migration plan for your platform and URL scale, assign named technical owners, provide relevant references, and accept measurable pre-launch and post-launch QA criteria. Reject any provider that guarantees rankings, will not define redirect and analytics ownership, or cannot explain its rollback process.

Sources and last-reviewed date

Last reviewed: 16 July 2026. Agency claims and operating details can change; recheck proposals, pricing and delivery terms before appointment.

• Searchmaxxed — Agentic Websites Built for Modern Search
• Searchmaxxed — About
• Searchmaxxed — Pricing
• First Page Australia — iiCase Case Study
• First Page Australia — Kimberley Expeditions Case Study
• First Page Australia — Clutch Profile
• StudioHawk — Homepage
• StudioHawk — SEO Consultant
• APAC Search Awards — 2026 Winners
• Salt & Fuessel — Clutch Profile
• Salt & Fuessel — AI Search Visibility Case Study
• Salt & Fuessel — SEO Agency Melbourne
• Prosperity Media — Homepage
• Prosperity Media — Growth Studies
• APAC Search Awards — 2025 Winners
• Excite Media — Denning Insurance Law Case Study
• Excite Media — John Barnes Case Study
• Excite Media — Client Success Stories
• Online Marketing Gurus — Homepage
• Online Marketing Gurus — About
• Online Marketing Gurus — eCommerce Case Studies
• SIXGUN — Clutch Profile and Verified Reviews
• SIXGUN — McKean McGregor Case Study
• SIXGUN — Essendon Natural Health Case Study

Start with the main Best SEO Agencies in Australia comparison, then use this guide to pressure-test whether the shortlist matches your actual business problem.