If you've got $10,000 ready to invest, spreading it across a few high-quality ASX shares can be a sensible way to balance growth and resilience.
But which ones could be buys this month? Let's take a look at three established companies with strong track records and clear long-term drivers that could help position a portfolio for sustainable returns. They are as follows:

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Macquarie Group Ltd (ASX: MQG)
The first ASX share to consider is Macquarie Group. It is far more than a traditional bank. It combines asset management, infrastructure investing, commodities trading, and advisory services under one roof. That diversification has allowed it to navigate multiple market cycles over the decades.
One of Macquarie's strengths is its ability to identify and back long-duration trends such as renewable energy, infrastructure, and private credit. Whereas its global asset management arm continues to grow funds under management, generating recurring fee income.
Although earnings can fluctuate with market conditions, Macquarie's entrepreneurial culture and global reach have historically supported strong long-term shareholder returns.
Wesfarmers Ltd (ASX: WES)
Another ASX share worth considering is Wesfarmers. It operates a collection of well-known businesses, including Bunnings, Kmart, and Officeworks. What makes it attractive is not just the strength of these brands, but the company's disciplined approach to capital allocation.
Management has a long history of recycling capital out of underperforming divisions and investing in higher-return opportunities. That strategic flexibility has helped the group evolve over time rather than standing still.
Wesfarmers' exposure to consumer spending, industrials, home improvement, and essential retail categories provides earnings diversity within a single shareholding.
Xero Ltd (ASX: XRO)
A final ASX share to consider is Xero. It provides cloud-based accounting software to small and medium-sized businesses across Australia, New Zealand, the UK, and beyond. Its subscription model generates recurring revenue, while its ecosystem of integrations strengthens customer stickiness.
Although its share price has been volatile amid broader tech sector weakness, the structural shift from legacy accounting systems to cloud platforms remains intact. Over time, growth in subscriber numbers and expansion of additional services could support earnings momentum.
In addition, it has a market opportunity estimated to be 100 million small businesses globally. This gives it a very long runway for growth over the next decade and beyond.
For investors comfortable with some short-term swings, Xero offers exposure to global software growth with a proven platform.