Ultimate Roofing and Guttering
Trading name of Ultimate Roofing and Guttering Pty Ltd · Adelaide, SA
AustralianRoofers Trust Score New
How it's calculated: a transparent, evidence-weighted score — identity & longevity from the public ABN register, reputation from verified Google reviews, and consistency from cross-checking independent platforms. Grades are proportional to the evidence. Where we search the register and can't confirm a business, the identity check scores zero rather than being quietly left out — so a firm we couldn't verify never outranks one we could. Longevity stays unscored in that case, because without a registration date there's nothing to measure.
Our honest take
This is one of the more substantial paper trails of the Adelaide roofers we've reviewed. Ultimate Roofing and Guttering Pty Ltd has been a registered company since February 2012 — fourteen years — which squares with the firm's own account of being founded in 2011 by managing director Jason Houston. On their site they describe a family-owned operation spanning two generations, with no salespeople: Jason does the quoting and Nikki Houston runs the office. The reviews back that up almost word for word — Jason and Nikki are named constantly, by first name, like people describing a firm they actually dealt with.
At 4.6 from 78 Google reviews, the volume and the tone are both convincing. The recurring themes are communication (explained clearly, kept in the loop), punctuality, polite crews, and full re-roofs done fast — one reviewer had a whole new roof on in 'three and a bit days'. Google's own review-tag analysis shows guttering (19 mentions), gutter replacement, tiled-roof replacement and verandah work leading the pack, which matches their positioning as a re-roofing and guttering specialist rather than a patch-and-repair outfit — though notably one reviewer praised them for taking on a small job other contractors refused.
The honest negatives: of the 20 most-recent reviews we read, there's one genuine 1-star — a customer who had Jason out to inspect for a roof replacement quote and was still waiting four weeks later. On a sample this size that reads as an occasional follow-through slip when they're busy, not a pattern, but it's worth knowing. The other 1-star in their pile is actually about a different company entirely (more on that below). And their headline warranty claims — 10-year workmanship, 20-year watertight, up to 45 years on Bluescope materials — are self-claims from their own site that you should get in writing.
Reputation across the web New
The same firm, checked across platforms
⚑ One 1-star review appears to be about a different company
A 1-star review in their Google pile (from 'Antoinette Tabone') complains about 'Revolution Roofing Products' and a bowed fence railing — that's a roofing-materials manufacturer, not this Adelaide contractor, and the complaint isn't even about a roof. It looks mis-attributed, and if anything it means Ultimate's true average is slightly better than the raw 4.6 suggests. Separately, one legitimate 1-star reports never receiving a promised quote after four weeks — a fair warning to chase them if you don't hear back.
Verified business details New
Checked against the public ABN register
Source: verified against the official Australian Business Register via ABN Lookup (abr.business.gov.au), including GST registration.
What they're actually known for New
Ranked by what customers mention — not a self-declared list
Who you'll actually deal with
Jason and Nikki Houston — a hands-on family operation
Jason Houston founded the company in 2011 and, on the firm's own telling, still runs every job hands-on — quoting, ordering materials, planning and sign-off — with 'over 25 years trade experience' (their claim). They make a point of employing no salespeople: your first call goes to office administrator Nikki Houston, who books Jason for the on-site inspection. The reviews bear this out — Jason is named in 15 of the recent reviews and Nikki in 9, always in the context of quoting, communicating and coordinating.
The on-site side includes 'Harry', named in three reviews (one 112-year-old Henley Beach renovation credits 'Jason, Harry, Nikki and the team'), and the firm describes long-term employees spanning two generations of the family with a third keen to learn. We can't verify the generational detail, but the pattern in the reviews — same few names, job after job — is what a genuinely small, stable crew looks like.
What clients say
In their own words
Great turn around time. Very punctual and professional. Very willing to work around obstacles and respectful to the property/area of work. Great communication during the process which made the whole job reassuring with what was getting done.
Ultimate Roofing were wonderful to deal with. Nikki responded quickly to my enquiry and provided excellent communication about the job. Also, they were happy to do a small job that other contractors were not. Installation was quick and very well done.
Jason, Nikki and the whole team have done an incredible job on our new roof / all finished in 3 and a bit days and total quality. Would highly recommend. Thanks team.
Reviewers keep returning to the same themes: clear communication from Nikki and Jason, punctual and polite crews who respect the property, and full re-roofs finished quickly to a standard people rave about.
Best for
- Full roof replacements and tile-to-Colorbond conversions — the heart of their review history, including tricky jobs like sloped blocks with overhead power lines
- Gutter and downpipe replacement — the single most-mentioned service across their Google reviews
- Anyone who wants to deal with the owners directly — Jason quotes every job himself and Nikki runs the comms, with no sales layer in between
Less suited for
- Anyone needing a quote turned around urgently in a busy period — one reviewer waited four-plus weeks for a promised quote that never arrived
- Bargain hunters — price gets only a couple of mentions in their praise; the reviews read premium-service-at-fair-price, not cheapest-in-town (they do advertise beating a written quote by 10%, T&Cs apply — their claim)
- People who like to cross-check ratings across platforms — with no ProductReview listing, Google is essentially the only independent source
Before you commit
Five questions worth asking
- Which entity will be on my contract and invoice — Ultimate Roofing and Guttering Pty Ltd (ABN 16 155 583 412) or the family trust trading under the business name — and is it GST-registered?
- Your site mentions a 10-year workmanship warranty and 20-year watertight warranty — can I get the full terms in writing, and what voids them?
- Who will actually be on my roof day to day, and will Jason inspect the finished job before final payment?
- What's your current lead time for quoting and starting — and who do I contact if I haven't received the quote within a week?
- Does the quote cover downpipes, disposal of the old roofing, and any extra care needed for an older or heritage-era home?
Bottom line
A 14-year-registered, genuinely family-run Adelaide re-roofing and guttering specialist whose 4.6 from 78 reviews would be even higher without a mis-attributed 1-star. Get the warranty terms and the trading entity confirmed in writing, and chase your quote if it's slow — beyond that, the evidence here is about as reassuring as it gets.
Assessed by the editorial team at AustralianRoofers.com from public Google Business Profile data, the firm's own website, and the ABN register. Not a paid placement.
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