An internal link is a hyperlink from one page on your website to another page on the same website. Internal linking does three distinct things for your accounting firm's SEO: it helps search engine crawlers discover and index your pages, it passes link authority (often called PageRank) between pages, and it keeps visitors on your site longer by pointing them towards useful related content.

Most accounting websites underinvest in internal linking. They have service pages, blog posts, and location pages that each exist in isolation, rarely pointing to one another. The result is a site where new content struggles to get crawled and where the authority accumulated on well-linked pages never reaches the pages that most need it. A deliberate internal linking strategy fixes this systematically.

What internal linking does for SEO

To understand why internal linking matters, consider how Google discovers and evaluates pages. Its crawlers follow links: they start from known pages, follow every link on those pages, then follow every link on those pages, and so on. Pages that have no links pointing to them from anywhere on your site, known as orphan pages, may never be crawled or indexed at all.

Beyond discovery, internal links pass a portion of a page's authority to the pages they link to. When your homepage, which typically has the most inbound links of any page on your site, links directly to your top service pages, it is passing some of its authority to those pages. This gives them a ranking advantage they would not have if they were only reachable through your navigation menu.

Pages with internal links to related content also see measurable improvements in time-on-site and crawl efficiency. When a visitor reads your blog post on sole trader expenses and finds a well-placed internal link to your sole trader accountancy service page, some proportion of those visitors will follow the link. Longer sessions and more pages viewed are positive signals about content quality and relevance.

The hub-and-spoke model for accounting websites

The most effective internal linking structure for a content-rich accounting website is the hub-and-spoke model. Your service pages act as hubs: the central, authoritative pages on each topic. Your blog posts, guides, and supporting content act as spokes: they cover related sub-topics and link back to the relevant hub.

For example, if "self assessment tax returns" is one of your primary services, that service page is the hub. The spokes might include:

  • A blog post on self assessment deadlines linking to the service page
  • A guide to allowable expenses for sole traders linking to the service page
  • A calculator page (estimated tax liability) linking to the service page
  • A blog post on what to do if you have missed a filing deadline linking to the service page

Every spoke reinforces the hub. Every time a spoke page accumulates any external links, authority or reader traffic, some of that benefit passes to the hub through the internal link. Over time, the hub page becomes the strongest, most thoroughly supported page on that topic on your site.

The same hub-and-spoke pattern applies to every major service you offer: corporation tax, payroll, VAT returns, management accounts, company formation. Map out your services and build a spoke structure around each one.

Anchor text rules

Anchor text is the visible, clickable text of a hyperlink. It is one of the most powerful signals in internal linking because it tells search engines precisely what the destination page is about.

The rules for internal link anchor text:

Use descriptive, keyword-relevant anchor text. If you are linking to your self-assessment service page, the anchor text should describe that page: "our self assessment service", "self assessment tax returns", or "how we handle self assessment". This is far more informative than "click here", "read more", or "find out more".

Match the anchor to the destination's primary keyword. The most effective anchor text for an internal link is the primary keyword of the destination page, or a close variant of it. This is not keyword stuffing; it is accurate description.

Vary your anchor text slightly across multiple links to the same page. If six different blog posts all link to your self-assessment service page with the identical anchor text "self assessment tax returns", it begins to look formulaic. Vary it: "our self assessment service", "self assessment for sole traders", "self assessment help". The destination page is the same; the phrasing is slightly different.

Avoid generic anchors for crawlable links. "Click here" tells Google nothing about the destination. "Self assessment tax returns for sole traders" tells it a great deal.

There is no hard limit on internal links per page. The practical rule is: every internal link on your page should be genuinely useful to the reader. If someone is reading your guide to VAT registration thresholds, a link to your VAT returns service page is useful. A link to your management accounts page is less obviously relevant.

A well-optimised blog post or guide for an accounting website might contain three to eight internal links. A service page might contain two to five, linking to related services and relevant blog content. Your homepage might link to your ten most important service and landing pages, plus two or three cornerstone blog posts.

Avoid over-linking. A paragraph where every other phrase is a hyperlink is unpleasant to read and dilutes the value of each individual link.

These are the linking relationships that deliver the most SEO value and should be in place across your site:

Blog posts linking to the relevant service page. Every piece of content you publish should link to at least one service page. A guide on IR35 should link to your contractor accounting service. A post on rental income tax should link to your landlord accounting service.

Service pages linking to related services. Your corporation tax service page should link to your company accounts service. Your payroll service page should link to your auto-enrolment or pension administration service. These cross-links make your service offering feel comprehensive and support ranking across the service cluster.

Service pages linking to calculators or tools. If you have a corporation tax rate calculator or a take-home pay calculator, link to it from the relevant service page. Calculators attract links naturally and keep visitors on your site.

Resource or guides pages linking to pillar content. Your more in-depth guides should link to your most comprehensive pillar pages. If you have a series on running a limited company, each article in the series should link to the others and to the central hub.

Location pages linking to service pages. Your "Accountants in Birmingham" location page should link to your service pages: "our Birmingham self assessment service", "payroll for Birmingham businesses". This builds depth into location pages beyond a simple landing page.

Identifying orphan pages

An orphan page is a page on your site that has no internal links pointing to it from other pages. Orphan pages are a common problem on accounting websites where blog posts and articles have been published without anyone adding links to them from existing content.

Orphan pages are at a significant ranking disadvantage. If Google's crawler only encounters them through your sitemap (not through followed links from other pages), they are given lower crawl priority and accumulate no internal link authority from the rest of your site.

To find orphan pages, run a crawl of your website using Screaming Frog or Ahrefs Site Audit. Export the list of all internal URLs, then cross-reference it against the list of pages that receive at least one internal link. Any URL on the first list but not the second is an orphan.

The fix is to go to your most relevant existing pages (service pages, hub pages, related blog posts) and add a contextually appropriate internal link to each orphan. A single well-placed link from a strong page may be enough to start sending crawl signals and authority to the previously isolated page.

Screaming Frog SEO Spider: available free up to 500 URLs. Run a crawl and use the "Inlinks" tab to see how many internal links each page receives. Use the "All Inlinks" export to map your full internal link graph.

Ahrefs Site Audit: paid tool, part of the Ahrefs subscription. Provides a visual internal link map and flags orphan pages, redirect chains, and broken internal links automatically.

Google Search Console: use the Links report to see which of your internal pages receive the most internal links. This does not show you the full picture but confirms which pages Google is seeing as most heavily linked.

Manual review: for sites with under 100 pages, you can audit internal links manually by going through each key page and noting what it links to and what links to it.

Building an internal linking plan: content map approach

An ad hoc approach to internal linking produces inconsistent results. A content map is a more systematic method.

Create a spreadsheet with three columns:

  1. Page URL: every page on your site.
  2. Primary keyword: the main keyword target for that page.
  3. Links from: which other pages currently link to this page.

Sort by primary keyword to group related pages together. For each hub page (service page), identify every spoke page (blog post, guide, calculator) that covers a related topic. Where a spoke does not link to the hub, add it to a "to-do" list with the suggested anchor text.

Work through the to-do list systematically. Update existing posts and pages to add the links. For new content, include the internal links at the drafting stage rather than adding them retrospectively.

Review this content map quarterly. As new content is added, update the map and ensure new pages are immediately integrated into the internal linking structure.

Key takeaways

  • Internal linking helps Google crawl your site, distributes page authority, and keeps visitors on your site longer.
  • The hub-and-spoke model works best for accounting websites: service pages are hubs, blog posts and guides are spokes.
  • Anchor text should be descriptive and keyword-relevant; avoid generic anchors like "click here" or "read more".
  • Every blog post you publish should contain at least one internal link to a relevant service page.
  • Orphan pages (pages with no internal links from other pages) are crawled less often and rank poorly; identify and fix them regularly.
  • Audit your internal link structure quarterly using Screaming Frog or a similar tool to catch new orphan pages and gaps.

Frequently asked questions

Does internal linking actually improve rankings?

Yes, through two mechanisms. First, it ensures Google can discover and crawl all your pages. Second, it distributes link authority from your strongest pages to the pages that most need it. Service pages that receive strong internal linking from blog content and related service pages consistently outperform isolated pages with no internal links.

Should I add internal links to older blog posts?

Yes, and this is one of the highest-return tasks you can do on an existing site. Go back through your most-read or highest-traffic blog posts and add internal links to relevant service pages. You are improving pages that already attract visitors, increasing the chance that those visitors engage with your commercial services.

For a typical accounting service page of 800 to 1,500 words, three to seven internal links is a reasonable range. Each link should point to a genuinely relevant page. For shorter blog posts (600 to 1,000 words), two to four internal links is sufficient.

No. Self-referential links (a page linking to itself) provide no SEO value and should be avoided. Make sure your navigation links do not link back to the current page, as this is a common source of accidental self-links.

What if I have already published a lot of content without a linking strategy?

Start with the highest-value pages: your homepage, your top five service pages, and your highest-traffic blog posts. Run a quick audit to find which of these pages lack strong internal links from related content, and fix those first. Then work through the rest of your site systematically, using the content map approach described above.

Further reading

Internal linking is one component of a complete SEO strategy for accounting firms. For the full picture, including keyword research, local SEO, technical audits, and link building, read the comprehensive SEO guide for accounting firms.